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| author | Charles Cabergs <me@cacharle.xyz> | 2020-07-27 10:05:23 +0200 |
|---|---|---|
| committer | Charles Cabergs <me@cacharle.xyz> | 2020-07-27 10:05:23 +0200 |
| commit | 5bf66662a9bdd62c5bccab15e607cd95cfb8fcab (patch) | |
| tree | 39a1a4629749056191c05dfd899f931701b7acf3 /srcs/wordpress/wp-includes/sodium_compat/src | |
| parent | 5afd237bbd22028b85532b8c0b3fcead49a00764 (diff) | |
| download | ft_server-master.tar.gz ft_server-master.tar.bz2 ft_server-master.zip | |
Removed wordpress and phpmyadmin, my server doesn't handle it well and it brings shame on my famillyHEADmaster
Diffstat (limited to 'srcs/wordpress/wp-includes/sodium_compat/src')
61 files changed, 0 insertions, 29756 deletions
diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Compat.php b/srcs/wordpress/wp-includes/sodium_compat/src/Compat.php deleted file mode 100644 index e49133f..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Compat.php +++ /dev/null @@ -1,3560 +0,0 @@ -<?php - -/** - * Libsodium compatibility layer - * - * This is the only class you should be interfacing with, as a user of - * sodium_compat. - * - * If the PHP extension for libsodium is installed, it will always use that - * instead of our implementations. You get better performance and stronger - * guarantees against side-channels that way. - * - * However, if your users don't have the PHP extension installed, we offer a - * compatible interface here. It will give you the correct results as if the - * PHP extension was installed. It won't be as fast, of course. - * - * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * - * * - * Until audited, this is probably not safe to use! DANGER WILL ROBINSON * - * * - * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * CAUTION * - */ - -if (class_exists('ParagonIE_Sodium_Compat', false)) { - return; -} - -class ParagonIE_Sodium_Compat -{ - /** - * This parameter prevents the use of the PECL extension. - * It should only be used for unit testing. - * - * @var bool - */ - public static $disableFallbackForUnitTests = false; - - /** - * Use fast multiplication rather than our constant-time multiplication - * implementation. Can be enabled at runtime. Only enable this if you - * are absolutely certain that there is no timing leak on your platform. - * - * @var bool - */ - public static $fastMult = false; - - const LIBRARY_VERSION_MAJOR = 9; - const LIBRARY_VERSION_MINOR = 1; - const VERSION_STRING = 'polyfill-1.0.8'; - - // From libsodium - const BASE64_VARIANT_ORIGINAL = 1; - const BASE64_VARIANT_ORIGINAL_NO_PADDING = 3; - const BASE64_VARIANT_URLSAFE = 5; - const BASE64_VARIANT_URLSAFE_NO_PADDING = 7; - const CRYPTO_AEAD_AES256GCM_KEYBYTES = 32; - const CRYPTO_AEAD_AES256GCM_NSECBYTES = 0; - const CRYPTO_AEAD_AES256GCM_NPUBBYTES = 12; - const CRYPTO_AEAD_AES256GCM_ABYTES = 16; - const CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES = 32; - const CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES = 0; - const CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES = 8; - const CRYPTO_AEAD_CHACHA20POLY1305_ABYTES = 16; - const CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES = 32; - const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES = 0; - const CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = 12; - const CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES = 16; - const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES = 32; - const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES = 0; - const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES = 24; - const CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES = 16; - const CRYPTO_AUTH_BYTES = 32; - const CRYPTO_AUTH_KEYBYTES = 32; - const CRYPTO_BOX_SEALBYTES = 16; - const CRYPTO_BOX_SECRETKEYBYTES = 32; - const CRYPTO_BOX_PUBLICKEYBYTES = 32; - const CRYPTO_BOX_KEYPAIRBYTES = 64; - const CRYPTO_BOX_MACBYTES = 16; - const CRYPTO_BOX_NONCEBYTES = 24; - const CRYPTO_BOX_SEEDBYTES = 32; - const CRYPTO_KDF_BYTES_MIN = 16; - const CRYPTO_KDF_BYTES_MAX = 64; - const CRYPTO_KDF_CONTEXTBYTES = 8; - const CRYPTO_KDF_KEYBYTES = 32; - const CRYPTO_KX_BYTES = 32; - const CRYPTO_KX_PRIMITIVE = 'x25519blake2b'; - const CRYPTO_KX_SEEDBYTES = 32; - const CRYPTO_KX_KEYPAIRBYTES = 64; - const CRYPTO_KX_PUBLICKEYBYTES = 32; - const CRYPTO_KX_SECRETKEYBYTES = 32; - const CRYPTO_KX_SESSIONKEYBYTES = 32; - const CRYPTO_GENERICHASH_BYTES = 32; - const CRYPTO_GENERICHASH_BYTES_MIN = 16; - const CRYPTO_GENERICHASH_BYTES_MAX = 64; - const CRYPTO_GENERICHASH_KEYBYTES = 32; - const CRYPTO_GENERICHASH_KEYBYTES_MIN = 16; - const CRYPTO_GENERICHASH_KEYBYTES_MAX = 64; - const CRYPTO_PWHASH_SALTBYTES = 16; - const CRYPTO_PWHASH_STRPREFIX = '$argon2id$'; - const CRYPTO_PWHASH_ALG_ARGON2I13 = 1; - const CRYPTO_PWHASH_ALG_ARGON2ID13 = 2; - const CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE = 33554432; - const CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE = 4; - const CRYPTO_PWHASH_MEMLIMIT_MODERATE = 134217728; - const CRYPTO_PWHASH_OPSLIMIT_MODERATE = 6; - const CRYPTO_PWHASH_MEMLIMIT_SENSITIVE = 536870912; - const CRYPTO_PWHASH_OPSLIMIT_SENSITIVE = 8; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES = 32; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX = '$7$'; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE = 534288; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE = 16777216; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE = 33554432; - const CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE = 1073741824; - const CRYPTO_SCALARMULT_BYTES = 32; - const CRYPTO_SCALARMULT_SCALARBYTES = 32; - const CRYPTO_SHORTHASH_BYTES = 8; - const CRYPTO_SHORTHASH_KEYBYTES = 16; - const CRYPTO_SECRETBOX_KEYBYTES = 32; - const CRYPTO_SECRETBOX_MACBYTES = 16; - const CRYPTO_SECRETBOX_NONCEBYTES = 24; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES = 17; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES = 24; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES = 32; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH = 0; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL = 1; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY = 2; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL = 3; - const CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX = 0x3fffffff80; - const CRYPTO_SIGN_BYTES = 64; - const CRYPTO_SIGN_SEEDBYTES = 32; - const CRYPTO_SIGN_PUBLICKEYBYTES = 32; - const CRYPTO_SIGN_SECRETKEYBYTES = 64; - const CRYPTO_SIGN_KEYPAIRBYTES = 96; - const CRYPTO_STREAM_KEYBYTES = 32; - const CRYPTO_STREAM_NONCEBYTES = 24; - - /** - * Add two numbers (little-endian unsigned), storing the value in the first - * parameter. - * - * This mutates $val. - * - * @param string $val - * @param string $addv - * @return void - * @throws SodiumException - */ - public static function add(&$val, $addv) - { - $val_len = ParagonIE_Sodium_Core_Util::strlen($val); - $addv_len = ParagonIE_Sodium_Core_Util::strlen($addv); - if ($val_len !== $addv_len) { - throw new SodiumException('values must have the same length'); - } - $A = ParagonIE_Sodium_Core_Util::stringToIntArray($val); - $B = ParagonIE_Sodium_Core_Util::stringToIntArray($addv); - - $c = 0; - for ($i = 0; $i < $val_len; $i++) { - $c += ($A[$i] + $B[$i]); - $A[$i] = ($c & 0xff); - $c >>= 8; - } - $val = ParagonIE_Sodium_Core_Util::intArrayToString($A); - } - - /** - * @param string $encoded - * @param int $variant - * @param string $ignore - * @return string - * @throws SodiumException - */ - public static function base642bin($encoded, $variant, $ignore = '') - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($encoded, 'string', 1); - - /** @var string $encoded */ - $encoded = (string) $encoded; - if (ParagonIE_Sodium_Core_Util::strlen($encoded) === 0) { - return ''; - } - - // Just strip before decoding - if (!empty($ignore)) { - $encoded = str_replace($ignore, '', $encoded); - } - - try { - switch ($variant) { - case self::BASE64_VARIANT_ORIGINAL: - return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, true); - case self::BASE64_VARIANT_ORIGINAL_NO_PADDING: - return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, false); - case self::BASE64_VARIANT_URLSAFE: - return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, true); - case self::BASE64_VARIANT_URLSAFE_NO_PADDING: - return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, false); - default: - throw new SodiumException('invalid base64 variant identifier'); - } - } catch (Exception $ex) { - if ($ex instanceof SodiumException) { - throw $ex; - } - throw new SodiumException('invalid base64 string'); - } - } - - /** - * @param string $decoded - * @param int $variant - * @return string - * @throws SodiumException - */ - public static function bin2base64($decoded, $variant) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($decoded, 'string', 1); - /** @var string $decoded */ - $decoded = (string) $decoded; - if (ParagonIE_Sodium_Core_Util::strlen($decoded) === 0) { - return ''; - } - - switch ($variant) { - case self::BASE64_VARIANT_ORIGINAL: - return ParagonIE_Sodium_Core_Base64_Original::encode($decoded); - case self::BASE64_VARIANT_ORIGINAL_NO_PADDING: - return ParagonIE_Sodium_Core_Base64_Original::encodeUnpadded($decoded); - case self::BASE64_VARIANT_URLSAFE: - return ParagonIE_Sodium_Core_Base64_UrlSafe::encode($decoded); - case self::BASE64_VARIANT_URLSAFE_NO_PADDING: - return ParagonIE_Sodium_Core_Base64_UrlSafe::encodeUnpadded($decoded); - default: - throw new SodiumException('invalid base64 variant identifier'); - } - } - - /** - * Cache-timing-safe implementation of bin2hex(). - * - * @param string $string A string (probably raw binary) - * @return string A hexadecimal-encoded string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function bin2hex($string) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1); - - if (self::useNewSodiumAPI()) { - return (string) sodium_bin2hex($string); - } - if (self::use_fallback('bin2hex')) { - return (string) call_user_func('\\Sodium\\bin2hex', $string); - } - return ParagonIE_Sodium_Core_Util::bin2hex($string); - } - - /** - * Compare two strings, in constant-time. - * Compared to memcmp(), compare() is more useful for sorting. - * - * @param string $left The left operand; must be a string - * @param string $right The right operand; must be a string - * @return int If < 0 if the left operand is less than the right - * If = 0 if both strings are equal - * If > 0 if the right operand is less than the left - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function compare($left, $right) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2); - - if (self::useNewSodiumAPI()) { - return (int) sodium_compare($left, $right); - } - if (self::use_fallback('compare')) { - return (int) call_user_func('\\Sodium\\compare', $left, $right); - } - return ParagonIE_Sodium_Core_Util::compare($left, $right); - } - - /** - * Is AES-256-GCM even available to use? - * - * @return bool - * @psalm-suppress UndefinedFunction - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_aead_aes256gcm_is_available() - { - if (self::useNewSodiumAPI()) { - return sodium_crypto_aead_aes256gcm_is_available(); - } - if (self::use_fallback('crypto_aead_aes256gcm_is_available')) { - return call_user_func('\\Sodium\\crypto_aead_aes256gcm_is_available'); - } - if (PHP_VERSION_ID < 70100) { - // OpenSSL doesn't support AEAD before 7.1.0 - return false; - } - if (!is_callable('openssl_encrypt') || !is_callable('openssl_decrypt')) { - // OpenSSL isn't installed - return false; - } - return (bool) in_array('aes-256-gcm', openssl_get_cipher_methods()); - } - - /** - * Authenticated Encryption with Associated Data: Decryption - * - * Algorithm: - * AES-256-GCM - * - * This mode uses a 64-bit random nonce with a 64-bit counter. - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * - * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * - * @return string|bool The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_aead_aes256gcm_decrypt( - $ciphertext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - if (!self::crypto_aead_aes256gcm_is_available()) { - throw new SodiumException('AES-256-GCM is not available'); - } - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_AES256GCM_ABYTES) { - throw new SodiumException('Message must be at least CRYPTO_AEAD_AES256GCM_ABYTES long'); - } - if (!is_callable('openssl_decrypt')) { - throw new SodiumException('The OpenSSL extension is not installed, or openssl_decrypt() is not available'); - } - - /** @var string $ctext */ - $ctext = ParagonIE_Sodium_Core_Util::substr($ciphertext, 0, -self::CRYPTO_AEAD_AES256GCM_ABYTES); - /** @var string $authTag */ - $authTag = ParagonIE_Sodium_Core_Util::substr($ciphertext, -self::CRYPTO_AEAD_AES256GCM_ABYTES, 16); - return openssl_decrypt( - $ctext, - 'aes-256-gcm', - $key, - OPENSSL_RAW_DATA, - $nonce, - $authTag, - $assocData - ); - } - - /** - * Authenticated Encryption with Associated Data: Encryption - * - * Algorithm: - * AES-256-GCM - * - * @param string $plaintext Message to be encrypted - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * - * @return string Ciphertext with a 16-byte GCM message - * authentication code appended - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_aead_aes256gcm_encrypt( - $plaintext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - if (!self::crypto_aead_aes256gcm_is_available()) { - throw new SodiumException('AES-256-GCM is not available'); - } - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long'); - } - - if (!is_callable('openssl_encrypt')) { - throw new SodiumException('The OpenSSL extension is not installed, or openssl_encrypt() is not available'); - } - - $authTag = ''; - $ciphertext = openssl_encrypt( - $plaintext, - 'aes-256-gcm', - $key, - OPENSSL_RAW_DATA, - $nonce, - $authTag, - $assocData - ); - return $ciphertext . $authTag; - } - - /** - * Return a secure random key for use with the AES-256-GCM - * symmetric AEAD interface. - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_aead_aes256gcm_keygen() - { - return random_bytes(self::CRYPTO_AEAD_AES256GCM_KEYBYTES); - } - - /** - * Authenticated Encryption with Associated Data: Decryption - * - * Algorithm: - * ChaCha20-Poly1305 - * - * This mode uses a 64-bit random nonce with a 64-bit counter. - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * - * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * - * @return string The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_aead_chacha20poly1305_decrypt( - $ciphertext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) { - throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_aead_chacha20poly1305_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - if (self::use_fallback('crypto_aead_chacha20poly1305_decrypt')) { - return call_user_func( - '\\Sodium\\crypto_aead_chacha20poly1305_decrypt', - $ciphertext, - $assocData, - $nonce, - $key - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - - /** - * Authenticated Encryption with Associated Data - * - * Algorithm: - * ChaCha20-Poly1305 - * - * This mode uses a 64-bit random nonce with a 64-bit counter. - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * - * @param string $plaintext Message to be encrypted - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * - * @return string Ciphertext with a 16-byte Poly1305 message - * authentication code appended - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_aead_chacha20poly1305_encrypt( - $plaintext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_aead_chacha20poly1305_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - if (self::use_fallback('crypto_aead_chacha20poly1305_encrypt')) { - return (string) call_user_func( - '\\Sodium\\crypto_aead_chacha20poly1305_encrypt', - $plaintext, - $assocData, - $nonce, - $key - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - - /** - * Authenticated Encryption with Associated Data: Decryption - * - * Algorithm: - * ChaCha20-Poly1305 - * - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * Regular mode uses a 64-bit random nonce with a 64-bit counter. - * - * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 12 bytes - * @param string $key Encryption key - * - * @return string The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_aead_chacha20poly1305_ietf_decrypt( - $ciphertext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) { - throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_aead_chacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_decrypt')) { - return call_user_func( - '\\Sodium\\crypto_aead_chacha20poly1305_ietf_decrypt', - $ciphertext, - $assocData, - $nonce, - $key - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - - /** - * Return a secure random key for use with the ChaCha20-Poly1305 - * symmetric AEAD interface. - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_aead_chacha20poly1305_keygen() - { - return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES); - } - - /** - * Authenticated Encryption with Associated Data - * - * Algorithm: - * ChaCha20-Poly1305 - * - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * Regular mode uses a 64-bit random nonce with a 64-bit counter. - * - * @param string $plaintext Message to be encrypted - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * - * @return string Ciphertext with a 16-byte Poly1305 message - * authentication code appended - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_aead_chacha20poly1305_ietf_encrypt( - $plaintext = '', - $assocData = '', - $nonce = '', - $key = '' - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_aead_chacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_encrypt')) { - return (string) call_user_func( - '\\Sodium\\crypto_aead_chacha20poly1305_ietf_encrypt', - $plaintext, - $assocData, - $nonce, - $key - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - - /** - * Return a secure random key for use with the ChaCha20-Poly1305 - * symmetric AEAD interface. (IETF version) - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_aead_chacha20poly1305_ietf_keygen() - { - return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES); - } - - /** - * Authenticated Encryption with Associated Data: Decryption - * - * Algorithm: - * XChaCha20-Poly1305 - * - * This mode uses a 64-bit random nonce with a 64-bit counter. - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * - * @param string $ciphertext Encrypted message (with Poly1305 MAC appended) - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * @param bool $dontFallback Don't fallback to ext/sodium - * - * @return string|bool The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_aead_xchacha20poly1305_ietf_decrypt( - $ciphertext = '', - $assocData = '', - $nonce = '', - $key = '', - $dontFallback = false - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES) { - throw new SodiumException('Message must be at least CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES long'); - } - if (self::useNewSodiumAPI() && !$dontFallback) { - if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) { - return sodium_crypto_aead_xchacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - } - - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_decrypt( - $ciphertext, - $assocData, - $nonce, - $key - ); - } - - /** - * Authenticated Encryption with Associated Data - * - * Algorithm: - * XChaCha20-Poly1305 - * - * This mode uses a 64-bit random nonce with a 64-bit counter. - * IETF mode uses a 96-bit random nonce with a 32-bit counter. - * - * @param string $plaintext Message to be encrypted - * @param string $assocData Authenticated Associated Data (unencrypted) - * @param string $nonce Number to be used only Once; must be 8 bytes - * @param string $key Encryption key - * @param bool $dontFallback Don't fallback to ext/sodium - * - * @return string Ciphertext with a 16-byte Poly1305 message - * authentication code appended - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_aead_xchacha20poly1305_ietf_encrypt( - $plaintext = '', - $assocData = '', - $nonce = '', - $key = '', - $dontFallback = false - ) { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) { - throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_NPUBBYTES long'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) { - throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_KEYBYTES long'); - } - if (self::useNewSodiumAPI() && !$dontFallback) { - if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) { - return sodium_crypto_aead_xchacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - } - - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_encrypt( - $plaintext, - $assocData, - $nonce, - $key - ); - } - - /** - * Return a secure random key for use with the XChaCha20-Poly1305 - * symmetric AEAD interface. - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_aead_xchacha20poly1305_ietf_keygen() - { - return random_bytes(self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES); - } - - /** - * Authenticate a message. Uses symmetric-key cryptography. - * - * Algorithm: - * HMAC-SHA512-256. Which is HMAC-SHA-512 truncated to 256 bits. - * Not to be confused with HMAC-SHA-512/256 which would use the - * SHA-512/256 hash function (uses different initial parameters - * but still truncates to 256 bits to sidestep length-extension - * attacks). - * - * @param string $message Message to be authenticated - * @param string $key Symmetric authentication key - * @return string Message authentication code - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_auth($message, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_AUTH_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_auth($message, $key); - } - if (self::use_fallback('crypto_auth')) { - return (string) call_user_func('\\Sodium\\crypto_auth', $message, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::auth($message, $key); - } - return ParagonIE_Sodium_Crypto::auth($message, $key); - } - - /** - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_auth_keygen() - { - return random_bytes(self::CRYPTO_AUTH_KEYBYTES); - } - - /** - * Verify the MAC of a message previously authenticated with crypto_auth. - * - * @param string $mac Message authentication code - * @param string $message Message whose authenticity you are attempting to - * verify (with a given MAC and key) - * @param string $key Symmetric authentication key - * @return bool TRUE if authenticated, FALSE otherwise - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_auth_verify($mac, $message, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($mac, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($mac) !== self::CRYPTO_AUTH_BYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_AUTH_BYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_AUTH_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (bool) sodium_crypto_auth_verify($mac, $message, $key); - } - if (self::use_fallback('crypto_auth_verify')) { - return (bool) call_user_func('\\Sodium\\crypto_auth_verify', $mac, $message, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::auth_verify($mac, $message, $key); - } - return ParagonIE_Sodium_Crypto::auth_verify($mac, $message, $key); - } - - /** - * Authenticated asymmetric-key encryption. Both the sender and recipient - * may decrypt messages. - * - * Algorithm: X25519-XSalsa20-Poly1305. - * X25519: Elliptic-Curve Diffie Hellman over Curve25519. - * XSalsa20: Extended-nonce variant of salsa20. - * Poyl1305: Polynomial MAC for one-time message authentication. - * - * @param string $plaintext The message to be encrypted - * @param string $nonce A Number to only be used Once; must be 24 bytes - * @param string $keypair Your secret key and your recipient's public key - * @return string Ciphertext with 16-byte Poly1305 MAC - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box($plaintext, $nonce, $keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box($plaintext, $nonce, $keypair); - } - if (self::use_fallback('crypto_box')) { - return (string) call_user_func('\\Sodium\\crypto_box', $plaintext, $nonce, $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box($plaintext, $nonce, $keypair); - } - return ParagonIE_Sodium_Crypto::box($plaintext, $nonce, $keypair); - } - - /** - * Anonymous public-key encryption. Only the recipient may decrypt messages. - * - * Algorithm: X25519-XSalsa20-Poly1305, as with crypto_box. - * The sender's X25519 keypair is ephemeral. - * Nonce is generated from the BLAKE2b hash of both public keys. - * - * This provides ciphertext integrity. - * - * @param string $plaintext Message to be sealed - * @param string $publicKey Your recipient's public key - * @return string Sealed message that only your recipient can - * decrypt - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_seal($plaintext, $publicKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_seal($plaintext, $publicKey); - } - if (self::use_fallback('crypto_box_seal')) { - return (string) call_user_func('\\Sodium\\crypto_box_seal', $plaintext, $publicKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_seal($plaintext, $publicKey); - } - return ParagonIE_Sodium_Crypto::box_seal($plaintext, $publicKey); - } - - /** - * Opens a message encrypted with crypto_box_seal(). Requires - * the recipient's keypair (sk || pk) to decrypt successfully. - * - * This validates ciphertext integrity. - * - * @param string $ciphertext Sealed message to be opened - * @param string $keypair Your crypto_box keypair - * @return string The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_box_seal_open($ciphertext, $keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_box_seal_open($ciphertext, $keypair); - } - if (self::use_fallback('crypto_box_seal_open')) { - return call_user_func('\\Sodium\\crypto_box_seal_open', $ciphertext, $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_seal_open($ciphertext, $keypair); - } - return ParagonIE_Sodium_Crypto::box_seal_open($ciphertext, $keypair); - } - - /** - * Generate a new random X25519 keypair. - * - * @return string A 64-byte string; the first 32 are your secret key, while - * the last 32 are your public key. crypto_box_secretkey() - * and crypto_box_publickey() exist to separate them so you - * don't accidentally get them mixed up! - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_keypair() - { - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_keypair(); - } - if (self::use_fallback('crypto_box_keypair')) { - return (string) call_user_func('\\Sodium\\crypto_box_keypair'); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_keypair(); - } - return ParagonIE_Sodium_Crypto::box_keypair(); - } - - /** - * Combine two keys into a keypair for use in library methods that expect - * a keypair. This doesn't necessarily have to be the same person's keys. - * - * @param string $secretKey Secret key - * @param string $publicKey Public key - * @return string Keypair - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); - } - if (self::use_fallback('crypto_box_keypair_from_secretkey_and_publickey')) { - return (string) call_user_func('\\Sodium\\crypto_box_keypair_from_secretkey_and_publickey', $secretKey, $publicKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); - } - return ParagonIE_Sodium_Crypto::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey); - } - - /** - * Decrypt a message previously encrypted with crypto_box(). - * - * @param string $ciphertext Encrypted message - * @param string $nonce Number to only be used Once; must be 24 bytes - * @param string $keypair Your secret key and the sender's public key - * @return string The original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_box_open($ciphertext, $nonce, $keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_BOX_MACBYTES) { - throw new SodiumException('Argument 1 must be at least CRYPTO_BOX_MACBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_box_open($ciphertext, $nonce, $keypair); - } - if (self::use_fallback('crypto_box_open')) { - return call_user_func('\\Sodium\\crypto_box_open', $ciphertext, $nonce, $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_open($ciphertext, $nonce, $keypair); - } - return ParagonIE_Sodium_Crypto::box_open($ciphertext, $nonce, $keypair); - } - - /** - * Extract the public key from a crypto_box keypair. - * - * @param string $keypair Keypair containing secret and public key - * @return string Your crypto_box public key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_publickey($keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_publickey($keypair); - } - if (self::use_fallback('crypto_box_publickey')) { - return (string) call_user_func('\\Sodium\\crypto_box_publickey', $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_publickey($keypair); - } - return ParagonIE_Sodium_Crypto::box_publickey($keypair); - } - - /** - * Calculate the X25519 public key from a given X25519 secret key. - * - * @param string $secretKey Any X25519 secret key - * @return string The corresponding X25519 public key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_publickey_from_secretkey($secretKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_publickey_from_secretkey($secretKey); - } - if (self::use_fallback('crypto_box_publickey_from_secretkey')) { - return (string) call_user_func('\\Sodium\\crypto_box_publickey_from_secretkey', $secretKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_publickey_from_secretkey($secretKey); - } - return ParagonIE_Sodium_Crypto::box_publickey_from_secretkey($secretKey); - } - - /** - * Extract the secret key from a crypto_box keypair. - * - * @param string $keypair - * @return string Your crypto_box secret key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_box_secretkey($keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_secretkey($keypair); - } - if (self::use_fallback('crypto_box_secretkey')) { - return (string) call_user_func('\\Sodium\\crypto_box_secretkey', $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_secretkey($keypair); - } - return ParagonIE_Sodium_Crypto::box_secretkey($keypair); - } - - /** - * Generate an X25519 keypair from a seed. - * - * @param string $seed - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress UndefinedFunction - */ - public static function crypto_box_seed_keypair($seed) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_box_seed_keypair($seed); - } - if (self::use_fallback('crypto_box_seed_keypair')) { - return (string) call_user_func('\\Sodium\\crypto_box_seed_keypair', $seed); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::box_seed_keypair($seed); - } - return ParagonIE_Sodium_Crypto::box_seed_keypair($seed); - } - - /** - * Calculates a BLAKE2b hash, with an optional key. - * - * @param string $message The message to be hashed - * @param string|null $key If specified, must be a string between 16 - * and 64 bytes long - * @param int $length Output length in bytes; must be between 16 - * and 64 (default = 32) - * @return string Raw binary - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_generichash($message, $key = '', $length = self::CRYPTO_GENERICHASH_BYTES) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - if (is_null($key)) { - $key = ''; - } - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 3); - - /* Input validation: */ - if (!empty($key)) { - if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { - throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { - throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); - } - } - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_generichash($message, $key, $length); - } - if (self::use_fallback('crypto_generichash')) { - return (string) call_user_func('\\Sodium\\crypto_generichash', $message, $key, $length); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::generichash($message, $key, $length); - } - return ParagonIE_Sodium_Crypto::generichash($message, $key, $length); - } - - /** - * Get the final BLAKE2b hash output for a given context. - * - * @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init(). - * @param int $length Hash output size. - * @return string Final BLAKE2b hash. - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress ReferenceConstraintViolation - * @psalm-suppress ConflictingReferenceConstraint - */ - public static function crypto_generichash_final(&$ctx, $length = self::CRYPTO_GENERICHASH_BYTES) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); - - if (self::useNewSodiumAPI()) { - return sodium_crypto_generichash_final($ctx, $length); - } - if (self::use_fallback('crypto_generichash_final')) { - $func = '\\Sodium\\crypto_generichash_final'; - return (string) $func($ctx, $length); - } - if ($length < 1) { - try { - self::memzero($ctx); - } catch (SodiumException $ex) { - unset($ctx); - } - return ''; - } - if (PHP_INT_SIZE === 4) { - $result = ParagonIE_Sodium_Crypto32::generichash_final($ctx, $length); - } else { - $result = ParagonIE_Sodium_Crypto::generichash_final($ctx, $length); - } - try { - self::memzero($ctx); - } catch (SodiumException $ex) { - unset($ctx); - } - return $result; - } - - /** - * Initialize a BLAKE2b hashing context, for use in a streaming interface. - * - * @param string|null $key If specified must be a string between 16 and 64 bytes - * @param int $length The size of the desired hash output - * @return string A BLAKE2 hashing context, encoded as a string - * (To be 100% compatible with ext/libsodium) - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_generichash_init($key = '', $length = self::CRYPTO_GENERICHASH_BYTES) - { - /* Type checks: */ - if (is_null($key)) { - $key = ''; - } - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); - - /* Input validation: */ - if (!empty($key)) { - if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { - throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { - throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); - } - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_generichash_init($key, $length); - } - if (self::use_fallback('crypto_generichash_init')) { - return (string) call_user_func('\\Sodium\\crypto_generichash_init', $key, $length); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::generichash_init($key, $length); - } - return ParagonIE_Sodium_Crypto::generichash_init($key, $length); - } - - /** - * Initialize a BLAKE2b hashing context, for use in a streaming interface. - * - * @param string|null $key If specified must be a string between 16 and 64 bytes - * @param int $length The size of the desired hash output - * @param string $salt Salt (up to 16 bytes) - * @param string $personal Personalization string (up to 16 bytes) - * @return string A BLAKE2 hashing context, encoded as a string - * (To be 100% compatible with ext/libsodium) - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_generichash_init_salt_personal( - $key = '', - $length = self::CRYPTO_GENERICHASH_BYTES, - $salt = '', - $personal = '' - ) { - /* Type checks: */ - if (is_null($key)) { - $key = ''; - } - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($personal, 'string', 4); - $salt = str_pad($salt, 16, "\0", STR_PAD_RIGHT); - $personal = str_pad($personal, 16, "\0", STR_PAD_RIGHT); - - /* Input validation: */ - if (!empty($key)) { - /* - if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) { - throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.'); - } - */ - if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) { - throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.'); - } - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::generichash_init_salt_personal($key, $length, $salt, $personal); - } - return ParagonIE_Sodium_Crypto::generichash_init_salt_personal($key, $length, $salt, $personal); - } - - /** - * Update a BLAKE2b hashing context with additional data. - * - * @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init(). - * $ctx is passed by reference and gets updated in-place. - * @param-out string $ctx - * @param string $message The message to append to the existing hash state. - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress ReferenceConstraintViolation - */ - public static function crypto_generichash_update(&$ctx, $message) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); - - if (self::useNewSodiumAPI()) { - sodium_crypto_generichash_update($ctx, $message); - return; - } - if (self::use_fallback('crypto_generichash_update')) { - $func = '\\Sodium\\crypto_generichash_update'; - $func($ctx, $message); - return; - } - if (PHP_INT_SIZE === 4) { - $ctx = ParagonIE_Sodium_Crypto32::generichash_update($ctx, $message); - } else { - $ctx = ParagonIE_Sodium_Crypto::generichash_update($ctx, $message); - } - } - - /** - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_generichash_keygen() - { - return random_bytes(self::CRYPTO_GENERICHASH_KEYBYTES); - } - - /** - * @param int $subkey_len - * @param int $subkey_id - * @param string $context - * @param string $key - * @return string - * @throws SodiumException - */ - public static function crypto_kdf_derive_from_key( - $subkey_len, - $subkey_id, - $context, - $key - ) { - ParagonIE_Sodium_Core_Util::declareScalarType($subkey_len, 'int', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($subkey_id, 'int', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($context, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); - $subkey_id = (int) $subkey_id; - $subkey_len = (int) $subkey_len; - $context = (string) $context; - $key = (string) $key; - - if ($subkey_len < self::CRYPTO_KDF_BYTES_MIN) { - throw new SodiumException('subkey cannot be smaller than SODIUM_CRYPTO_KDF_BYTES_MIN'); - } - if ($subkey_len > self::CRYPTO_KDF_BYTES_MAX) { - throw new SodiumException('subkey cannot be larger than SODIUM_CRYPTO_KDF_BYTES_MAX'); - } - if ($subkey_id < 0) { - throw new SodiumException('subkey_id cannot be negative'); - } - if (ParagonIE_Sodium_Core_Util::strlen($context) !== self::CRYPTO_KDF_CONTEXTBYTES) { - throw new SodiumException('context should be SODIUM_CRYPTO_KDF_CONTEXTBYTES bytes'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_KDF_KEYBYTES) { - throw new SodiumException('key should be SODIUM_CRYPTO_KDF_KEYBYTES bytes'); - } - - $salt = ParagonIE_Sodium_Core_Util::store64_le($subkey_id); - $state = self::crypto_generichash_init_salt_personal( - $key, - $subkey_len, - $salt, - $context - ); - return self::crypto_generichash_final($state, $subkey_len); - } - - /** - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_kdf_keygen() - { - return random_bytes(self::CRYPTO_KDF_KEYBYTES); - } - - /** - * Perform a key exchange, between a designated client and a server. - * - * Typically, you would designate one machine to be the client and the - * other to be the server. The first two keys are what you'd expect for - * scalarmult() below, but the latter two public keys don't swap places. - * - * | ALICE | BOB | - * | Client | Server | - * |--------------------------------|-------------------------------------| - * | shared = crypto_kx( | shared = crypto_kx( | - * | alice_sk, | bob_sk, | <- contextual - * | bob_pk, | alice_pk, | <- contextual - * | alice_pk, | alice_pk, | <----- static - * | bob_pk | bob_pk | <----- static - * | ) | ) | - * - * They are used along with the scalarmult product to generate a 256-bit - * BLAKE2b hash unique to the client and server keys. - * - * @param string $my_secret - * @param string $their_public - * @param string $client_public - * @param string $server_public - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_kx($my_secret, $their_public, $client_public, $server_public) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($my_secret, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($their_public, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($client_public, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($server_public, 'string', 4); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($my_secret) !== self::CRYPTO_BOX_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($their_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($client_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($server_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 4 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - if (is_callable('sodium_crypto_kx')) { - return (string) sodium_crypto_kx( - $my_secret, - $their_public, - $client_public, - $server_public - ); - } - } - if (self::use_fallback('crypto_kx')) { - return (string) call_user_func( - '\\Sodium\\crypto_kx', - $my_secret, - $their_public, - $client_public, - $server_public - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::keyExchange( - $my_secret, - $their_public, - $client_public, - $server_public - ); - } - return ParagonIE_Sodium_Crypto::keyExchange( - $my_secret, - $their_public, - $client_public, - $server_public - ); - } - - /** - * @param string $seed - * @return string - * @throws SodiumException - */ - public static function crypto_kx_seed_keypair($seed) - { - ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); - - $seed = (string) $seed; - - if (ParagonIE_Sodium_Core_Util::strlen($seed) !== self::CRYPTO_KX_SEEDBYTES) { - throw new SodiumException('seed must be SODIUM_CRYPTO_KX_SEEDBYTES bytes'); - } - - $sk = self::crypto_generichash($seed, '', self::CRYPTO_KX_SECRETKEYBYTES); - $pk = self::crypto_scalarmult_base($sk); - return $sk . $pk; - } - - /** - * @return string - * @throws Exception - */ - public static function crypto_kx_keypair() - { - $sk = self::randombytes_buf(self::CRYPTO_KX_SECRETKEYBYTES); - $pk = self::crypto_scalarmult_base($sk); - return $sk . $pk; - } - - /** - * @param string $keypair - * @param string $serverPublicKey - * @return array{0: string, 1: string} - * @throws SodiumException - */ - public static function crypto_kx_client_session_keys($keypair, $serverPublicKey) - { - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($serverPublicKey, 'string', 2); - - $keypair = (string) $keypair; - $serverPublicKey = (string) $serverPublicKey; - - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) { - throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes'); - } - if (ParagonIE_Sodium_Core_Util::strlen($serverPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) { - throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes'); - } - - $sk = self::crypto_kx_secretkey($keypair); - $pk = self::crypto_kx_publickey($keypair); - $h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2); - self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $serverPublicKey)); - self::crypto_generichash_update($h, $pk); - self::crypto_generichash_update($h, $serverPublicKey); - $sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2); - return array( - ParagonIE_Sodium_Core_Util::substr( - $sessionKeys, - 0, - self::CRYPTO_KX_SESSIONKEYBYTES - ), - ParagonIE_Sodium_Core_Util::substr( - $sessionKeys, - self::CRYPTO_KX_SESSIONKEYBYTES, - self::CRYPTO_KX_SESSIONKEYBYTES - ) - ); - } - - /** - * @param string $keypair - * @param string $clientPublicKey - * @return array{0: string, 1: string} - * @throws SodiumException - */ - public static function crypto_kx_server_session_keys($keypair, $clientPublicKey) - { - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($clientPublicKey, 'string', 2); - - $keypair = (string) $keypair; - $clientPublicKey = (string) $clientPublicKey; - - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) { - throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes'); - } - if (ParagonIE_Sodium_Core_Util::strlen($clientPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) { - throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes'); - } - - $sk = self::crypto_kx_secretkey($keypair); - $pk = self::crypto_kx_publickey($keypair); - $h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2); - self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $clientPublicKey)); - self::crypto_generichash_update($h, $clientPublicKey); - self::crypto_generichash_update($h, $pk); - $sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2); - return array( - ParagonIE_Sodium_Core_Util::substr( - $sessionKeys, - self::CRYPTO_KX_SESSIONKEYBYTES, - self::CRYPTO_KX_SESSIONKEYBYTES - ), - ParagonIE_Sodium_Core_Util::substr( - $sessionKeys, - 0, - self::CRYPTO_KX_SESSIONKEYBYTES - ) - ); - } - - /** - * @param string $kp - * @return string - * @throws SodiumException - */ - public static function crypto_kx_secretkey($kp) - { - return ParagonIE_Sodium_Core_Util::substr( - $kp, - 0, - self::CRYPTO_KX_SECRETKEYBYTES - ); - } - - /** - * @param string $kp - * @return string - * @throws SodiumException - */ - public static function crypto_kx_publickey($kp) - { - return ParagonIE_Sodium_Core_Util::substr( - $kp, - self::CRYPTO_KX_SECRETKEYBYTES, - self::CRYPTO_KX_PUBLICKEYBYTES - ); - } - - /** - * @param int $outlen - * @param string $passwd - * @param string $salt - * @param int $opslimit - * @param int $memlimit - * @param int|null $alg - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $alg = null) - { - ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4); - ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5); - - if (self::useNewSodiumAPI()) { - if (!is_null($alg)) { - ParagonIE_Sodium_Core_Util::declareScalarType($alg, 'int', 6); - return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $alg); - } - return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit); - } - if (self::use_fallback('crypto_pwhash')) { - return (string) call_user_func('\\Sodium\\crypto_pwhash', $outlen, $passwd, $salt, $opslimit, $memlimit); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' - ); - } - - /** - * !Exclusive to sodium_compat! - * - * This returns TRUE if the native crypto_pwhash API is available by libsodium. - * This returns FALSE if only sodium_compat is available. - * - * @return bool - */ - public static function crypto_pwhash_is_available() - { - if (self::useNewSodiumAPI()) { - return true; - } - if (self::use_fallback('crypto_pwhash')) { - return true; - } - return false; - } - - /** - * @param string $passwd - * @param int $opslimit - * @param int $memlimit - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_pwhash_str($passwd, $opslimit, $memlimit) - { - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); - - if (self::useNewSodiumAPI()) { - return sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit); - } - if (self::use_fallback('crypto_pwhash_str')) { - return (string) call_user_func('\\Sodium\\crypto_pwhash_str', $passwd, $opslimit, $memlimit); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' - ); - } - - /** - * Do we need to rehash this password? - * - * @param string $hash - * @param int $opslimit - * @param int $memlimit - * @return bool - * @throws SodiumException - */ - public static function crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit) - { - ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); - - // Just grab the first 4 pieces. - $pieces = explode('$', (string) $hash); - $prefix = implode('$', array_slice($pieces, 0, 4)); - - // Rebuild the expected header. - /** @var int $ops */ - $ops = (int) $opslimit; - /** @var int $mem */ - $mem = (int) $memlimit >> 10; - $encoded = self::CRYPTO_PWHASH_STRPREFIX . 'v=19$m=' . $mem . ',t=' . $ops . ',p=1'; - - // Do they match? If so, we don't need to rehash, so return false. - return !ParagonIE_Sodium_Core_Util::hashEquals($encoded, $prefix); - } - - /** - * @param string $passwd - * @param string $hash - * @return bool - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_pwhash_str_verify($passwd, $hash) - { - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2); - - if (self::useNewSodiumAPI()) { - return (bool) sodium_crypto_pwhash_str_verify($passwd, $hash); - } - if (self::use_fallback('crypto_pwhash_str_verify')) { - return (bool) call_user_func('\\Sodium\\crypto_pwhash_str_verify', $passwd, $hash); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP' - ); - } - - /** - * @param int $outlen - * @param string $passwd - * @param string $salt - * @param int $opslimit - * @param int $memlimit - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit) - { - ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3); - ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4); - ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5); - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_pwhash_scryptsalsa208sha256( - (int) $outlen, - (string) $passwd, - (string) $salt, - (int) $opslimit, - (int) $memlimit - ); - } - if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) { - return (string) call_user_func( - '\\Sodium\\crypto_pwhash_scryptsalsa208sha256', - (int) $outlen, - (string) $passwd, - (string) $salt, - (int) $opslimit, - (int) $memlimit - ); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' - ); - } - - /** - * !Exclusive to sodium_compat! - * - * This returns TRUE if the native crypto_pwhash API is available by libsodium. - * This returns FALSE if only sodium_compat is available. - * - * @return bool - */ - public static function crypto_pwhash_scryptsalsa208sha256_is_available() - { - if (self::useNewSodiumAPI()) { - return true; - } - if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) { - return true; - } - return false; - } - - /** - * @param string $passwd - * @param int $opslimit - * @param int $memlimit - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit) - { - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3); - - if (self::useNewSodiumAPI()) { - return (string) sodium_crypto_pwhash_scryptsalsa208sha256_str( - (string) $passwd, - (int) $opslimit, - (int) $memlimit - ); - } - if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str')) { - return (string) call_user_func( - '\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str', - (string) $passwd, - (int) $opslimit, - (int) $memlimit - ); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' - ); - } - - /** - * @param string $passwd - * @param string $hash - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash) - { - ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2); - - if (self::useNewSodiumAPI()) { - return (bool) sodium_crypto_pwhash_scryptsalsa208sha256_str_verify( - (string) $passwd, - (string) $hash - ); - } - if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str_verify')) { - return (bool) call_user_func( - '\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str_verify', - (string) $passwd, - (string) $hash - ); - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP' - ); - } - - /** - * Calculate the shared secret between your secret key and your - * recipient's public key. - * - * Algorithm: X25519 (ECDH over Curve25519) - * - * @param string $secretKey - * @param string $publicKey - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_scalarmult($secretKey, $publicKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_scalarmult($secretKey, $publicKey); - } - if (self::use_fallback('crypto_scalarmult')) { - return (string) call_user_func('\\Sodium\\crypto_scalarmult', $secretKey, $publicKey); - } - - /* Output validation: Forbid all-zero keys */ - if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) { - throw new SodiumException('Zero secret key is not allowed'); - } - if (ParagonIE_Sodium_Core_Util::hashEquals($publicKey, str_repeat("\0", self::CRYPTO_BOX_PUBLICKEYBYTES))) { - throw new SodiumException('Zero public key is not allowed'); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::scalarmult($secretKey, $publicKey); - } - return ParagonIE_Sodium_Crypto::scalarmult($secretKey, $publicKey); - } - - /** - * Calculate an X25519 public key from an X25519 secret key. - * - * @param string $secretKey - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress TooFewArguments - * @psalm-suppress MixedArgument - */ - public static function crypto_scalarmult_base($secretKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_scalarmult_base($secretKey); - } - if (self::use_fallback('crypto_scalarmult_base')) { - return (string) call_user_func('\\Sodium\\crypto_scalarmult_base', $secretKey); - } - if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) { - throw new SodiumException('Zero secret key is not allowed'); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::scalarmult_base($secretKey); - } - return ParagonIE_Sodium_Crypto::scalarmult_base($secretKey); - } - - /** - * Authenticated symmetric-key encryption. - * - * Algorithm: XSalsa20-Poly1305 - * - * @param string $plaintext The message you're encrypting - * @param string $nonce A Number to be used Once; must be 24 bytes - * @param string $key Symmetric encryption key - * @return string Ciphertext with Poly1305 MAC - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_secretbox($plaintext, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_secretbox($plaintext, $nonce, $key); - } - if (self::use_fallback('crypto_secretbox')) { - return (string) call_user_func('\\Sodium\\crypto_secretbox', $plaintext, $nonce, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretbox($plaintext, $nonce, $key); - } - return ParagonIE_Sodium_Crypto::secretbox($plaintext, $nonce, $key); - } - - /** - * Decrypts a message previously encrypted with crypto_secretbox(). - * - * @param string $ciphertext Ciphertext with Poly1305 MAC - * @param string $nonce A Number to be used Once; must be 24 bytes - * @param string $key Symmetric encryption key - * @return string Original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_secretbox_open($ciphertext, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_secretbox_open($ciphertext, $nonce, $key); - } - if (self::use_fallback('crypto_secretbox_open')) { - return call_user_func('\\Sodium\\crypto_secretbox_open', $ciphertext, $nonce, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretbox_open($ciphertext, $nonce, $key); - } - return ParagonIE_Sodium_Crypto::secretbox_open($ciphertext, $nonce, $key); - } - - /** - * Return a secure random key for use with crypto_secretbox - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_secretbox_keygen() - { - return random_bytes(self::CRYPTO_SECRETBOX_KEYBYTES); - } - - /** - * Authenticated symmetric-key encryption. - * - * Algorithm: XChaCha20-Poly1305 - * - * @param string $plaintext The message you're encrypting - * @param string $nonce A Number to be used Once; must be 24 bytes - * @param string $key Symmetric encryption key - * @return string Ciphertext with Poly1305 MAC - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_secretbox_xchacha20poly1305($plaintext, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305($plaintext, $nonce, $key); - } - return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305($plaintext, $nonce, $key); - } - /** - * Decrypts a message previously encrypted with crypto_secretbox_xchacha20poly1305(). - * - * @param string $ciphertext Ciphertext with Poly1305 MAC - * @param string $nonce A Number to be used Once; must be 24 bytes - * @param string $key Symmetric encryption key - * @return string Original plaintext message - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); - } - - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); - } - return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); - } - - /** - * @param string $key - * @return array<int, string> Returns a state and a header. - * @throws Exception - * @throws SodiumException - */ - public static function crypto_secretstream_xchacha20poly1305_init_push($key) - { - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_push($key); - } - return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_push($key); - } - - /** - * @param string $header - * @param string $key - * @return string Returns a state. - * @throws Exception - */ - public static function crypto_secretstream_xchacha20poly1305_init_pull($header, $key) - { - if (ParagonIE_Sodium_Core_Util::strlen($header) < self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES) { - throw new SodiumException( - 'header size should be SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES bytes' - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_pull($key, $header); - } - return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_pull($key, $header); - } - - /** - * @param string $state - * @param string $msg - * @param string $aad - * @param int $tag - * @return string - * @throws SodiumException - */ - public static function crypto_secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0) - { - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_push( - $state, - $msg, - $aad, - $tag - ); - } - return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_push( - $state, - $msg, - $aad, - $tag - ); - } - - /** - * @param string $state - * @param string $msg - * @param string $aad - * @return bool|array{0: string, 1: int} - * @throws SodiumException - */ - public static function crypto_secretstream_xchacha20poly1305_pull(&$state, $msg, $aad = '') - { - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_pull( - $state, - $msg, - $aad - ); - } - return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_pull( - $state, - $msg, - $aad - ); - } - - /** - * @return string - * @throws Exception - */ - public static function crypto_secretstream_xchacha20poly1305_keygen() - { - return random_bytes(self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES); - } - - /** - * @param string $state - * @return void - * @throws SodiumException - */ - public static function crypto_secretstream_xchacha20poly1305_rekey(&$state) - { - if (PHP_INT_SIZE === 4) { - ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_rekey($state); - } else { - ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_rekey($state); - } - } - - /** - * Calculates a SipHash-2-4 hash of a message for a given key. - * - * @param string $message Input message - * @param string $key SipHash-2-4 key - * @return string Hash - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_shorthash($message, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SHORTHASH_KEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SHORTHASH_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_shorthash($message, $key); - } - if (self::use_fallback('crypto_shorthash')) { - return (string) call_user_func('\\Sodium\\crypto_shorthash', $message, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_SipHash::sipHash24($message, $key); - } - return ParagonIE_Sodium_Core_SipHash::sipHash24($message, $key); - } - - /** - * Return a secure random key for use with crypto_shorthash - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_shorthash_keygen() - { - return random_bytes(self::CRYPTO_SHORTHASH_KEYBYTES); - } - - /** - * Returns a signed message. You probably want crypto_sign_detached() - * instead, which only returns the signature. - * - * Algorithm: Ed25519 (EdDSA over Curve25519) - * - * @param string $message Message to be signed. - * @param string $secretKey Secret signing key. - * @return string Signed message (signature is prefixed). - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_sign($message, $secretKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign($message, $secretKey); - } - if (self::use_fallback('crypto_sign')) { - return (string) call_user_func('\\Sodium\\crypto_sign', $message, $secretKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::sign($message, $secretKey); - } - return ParagonIE_Sodium_Crypto::sign($message, $secretKey); - } - - /** - * Validates a signed message then returns the message. - * - * @param string $signedMessage A signed message - * @param string $publicKey A public key - * @return string The original message (if the signature is - * valid for this public key) - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress MixedReturnStatement - */ - public static function crypto_sign_open($signedMessage, $publicKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($signedMessage, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($signedMessage) < self::CRYPTO_SIGN_BYTES) { - throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_BYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SIGN_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - /** - * @psalm-suppress InvalidReturnStatement - * @psalm-suppress FalsableReturnStatement - */ - return sodium_crypto_sign_open($signedMessage, $publicKey); - } - if (self::use_fallback('crypto_sign_open')) { - return call_user_func('\\Sodium\\crypto_sign_open', $signedMessage, $publicKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::sign_open($signedMessage, $publicKey); - } - return ParagonIE_Sodium_Crypto::sign_open($signedMessage, $publicKey); - } - - /** - * Generate a new random Ed25519 keypair. - * - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_sign_keypair() - { - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_keypair(); - } - if (self::use_fallback('crypto_sign_keypair')) { - return (string) call_user_func('\\Sodium\\crypto_sign_keypair'); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_Ed25519::keypair(); - } - return ParagonIE_Sodium_Core_Ed25519::keypair(); - } - - /** - * @param string $sk - * @param string $pk - * @return string - * @throws SodiumException - */ - public static function crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk) - { - ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1); - $sk = (string) $sk; - $pk = (string) $pk; - - if (ParagonIE_Sodium_Core_Util::strlen($sk) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { - throw new SodiumException('secretkey should be SODIUM_CRYPTO_SIGN_SECRETKEYBYTES bytes'); - } - if (ParagonIE_Sodium_Core_Util::strlen($pk) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { - throw new SodiumException('publickey should be SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES bytes'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk); - } - return $sk . $pk; - } - - /** - * Generate an Ed25519 keypair from a seed. - * - * @param string $seed Input seed - * @return string Keypair - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_seed_keypair($seed) - { - ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1); - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_seed_keypair($seed); - } - if (self::use_fallback('crypto_sign_keypair')) { - return (string) call_user_func('\\Sodium\\crypto_sign_seed_keypair', $seed); - } - $publicKey = ''; - $secretKey = ''; - if (PHP_INT_SIZE === 4) { - ParagonIE_Sodium_Core32_Ed25519::seed_keypair($publicKey, $secretKey, $seed); - } else { - ParagonIE_Sodium_Core_Ed25519::seed_keypair($publicKey, $secretKey, $seed); - } - return $secretKey . $publicKey; - } - - /** - * Extract an Ed25519 public key from an Ed25519 keypair. - * - * @param string $keypair Keypair - * @return string Public key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_publickey($keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_publickey($keypair); - } - if (self::use_fallback('crypto_sign_publickey')) { - return (string) call_user_func('\\Sodium\\crypto_sign_publickey', $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_Ed25519::publickey($keypair); - } - return ParagonIE_Sodium_Core_Ed25519::publickey($keypair); - } - - /** - * Calculate an Ed25519 public key from an Ed25519 secret key. - * - * @param string $secretKey Your Ed25519 secret key - * @return string The corresponding Ed25519 public key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_publickey_from_secretkey($secretKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_publickey_from_secretkey($secretKey); - } - if (self::use_fallback('crypto_sign_publickey_from_secretkey')) { - return (string) call_user_func('\\Sodium\\crypto_sign_publickey_from_secretkey', $secretKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_Ed25519::publickey_from_secretkey($secretKey); - } - return ParagonIE_Sodium_Core_Ed25519::publickey_from_secretkey($secretKey); - } - - /** - * Extract an Ed25519 secret key from an Ed25519 keypair. - * - * @param string $keypair Keypair - * @return string Secret key - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_secretkey($keypair) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_secretkey($keypair); - } - if (self::use_fallback('crypto_sign_secretkey')) { - return (string) call_user_func('\\Sodium\\crypto_sign_secretkey', $keypair); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_Ed25519::secretkey($keypair); - } - return ParagonIE_Sodium_Core_Ed25519::secretkey($keypair); - } - - /** - * Calculate the Ed25519 signature of a message and return ONLY the signature. - * - * Algorithm: Ed25519 (EdDSA over Curve25519) - * - * @param string $message Message to be signed - * @param string $secretKey Secret signing key - * @return string Digital signature - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_detached($message, $secretKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_detached($message, $secretKey); - } - if (self::use_fallback('crypto_sign_detached')) { - return (string) call_user_func('\\Sodium\\crypto_sign_detached', $message, $secretKey); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::sign_detached($message, $secretKey); - } - return ParagonIE_Sodium_Crypto::sign_detached($message, $secretKey); - } - - /** - * Verify the Ed25519 signature of a message. - * - * @param string $signature Digital sginature - * @param string $message Message to be verified - * @param string $publicKey Public key - * @return bool TRUE if this signature is good for this public key; - * FALSE otherwise - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_verify_detached($signature, $message, $publicKey) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($signature, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($signature) !== self::CRYPTO_SIGN_BYTES) { - throw new SodiumException('Argument 1 must be CRYPTO_SIGN_BYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SIGN_PUBLICKEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_sign_verify_detached($signature, $message, $publicKey); - } - if (self::use_fallback('crypto_sign_verify_detached')) { - return (bool) call_user_func( - '\\Sodium\\crypto_sign_verify_detached', - $signature, - $message, - $publicKey - ); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Crypto32::sign_verify_detached($signature, $message, $publicKey); - } - return ParagonIE_Sodium_Crypto::sign_verify_detached($signature, $message, $publicKey); - } - - /** - * Convert an Ed25519 public key to a Curve25519 public key - * - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_ed25519_pk_to_curve25519($pk) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($pk) < self::CRYPTO_SIGN_PUBLICKEYBYTES) { - throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_PUBLICKEYBYTES long.'); - } - if (self::useNewSodiumAPI()) { - if (is_callable('crypto_sign_ed25519_pk_to_curve25519')) { - return (string) sodium_crypto_sign_ed25519_pk_to_curve25519($pk); - } - } - if (self::use_fallback('crypto_sign_ed25519_pk_to_curve25519')) { - return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_pk_to_curve25519', $pk); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_Ed25519::pk_to_curve25519($pk); - } - return ParagonIE_Sodium_Core_Ed25519::pk_to_curve25519($pk); - } - - /** - * Convert an Ed25519 secret key to a Curve25519 secret key - * - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_sign_ed25519_sk_to_curve25519($sk) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($sk) < self::CRYPTO_SIGN_SEEDBYTES) { - throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_SEEDBYTES long.'); - } - if (self::useNewSodiumAPI()) { - if (is_callable('crypto_sign_ed25519_sk_to_curve25519')) { - return sodium_crypto_sign_ed25519_sk_to_curve25519($sk); - } - } - if (self::use_fallback('crypto_sign_ed25519_sk_to_curve25519')) { - return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_sk_to_curve25519', $sk); - } - - $h = hash('sha512', ParagonIE_Sodium_Core_Util::substr($sk, 0, 32), true); - $h[0] = ParagonIE_Sodium_Core_Util::intToChr( - ParagonIE_Sodium_Core_Util::chrToInt($h[0]) & 248 - ); - $h[31] = ParagonIE_Sodium_Core_Util::intToChr( - (ParagonIE_Sodium_Core_Util::chrToInt($h[31]) & 127) | 64 - ); - return ParagonIE_Sodium_Core_Util::substr($h, 0, 32); - } - - /** - * Expand a key and nonce into a keystream of pseudorandom bytes. - * - * @param int $len Number of bytes desired - * @param string $nonce Number to be used Once; must be 24 bytes - * @param string $key XSalsa20 key - * @return string Pseudorandom stream that can be XORed with messages - * to provide encryption (but not authentication; see - * Poly1305 or crypto_auth() for that, which is not - * optional for security) - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_stream($len, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($len, 'int', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_STREAM_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_stream($len, $nonce, $key); - } - if (self::use_fallback('crypto_stream')) { - return (string) call_user_func('\\Sodium\\crypto_stream', $len, $nonce, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20($len, $nonce, $key); - } - return ParagonIE_Sodium_Core_XSalsa20::xsalsa20($len, $nonce, $key); - } - - /** - * DANGER! UNAUTHENTICATED ENCRYPTION! - * - * Unless you are following expert advice, do not used this feature. - * - * Algorithm: XSalsa20 - * - * This DOES NOT provide ciphertext integrity. - * - * @param string $message Plaintext message - * @param string $nonce Number to be used Once; must be 24 bytes - * @param string $key Encryption key - * @return string Encrypted text which is vulnerable to chosen- - * ciphertext attacks unless you implement some - * other mitigation to the ciphertext (i.e. - * Encrypt then MAC) - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function crypto_stream_xor($message, $nonce, $key) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); - ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); - - /* Input validation: */ - if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) { - throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); - } - if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) { - throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); - } - - if (self::useNewSodiumAPI()) { - return sodium_crypto_stream_xor($message, $nonce, $key); - } - if (self::use_fallback('crypto_stream_xor')) { - return (string) call_user_func('\\Sodium\\crypto_stream_xor', $message, $nonce, $key); - } - if (PHP_INT_SIZE === 4) { - return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20_xor($message, $nonce, $key); - } - return ParagonIE_Sodium_Core_XSalsa20::xsalsa20_xor($message, $nonce, $key); - } - - /** - * Return a secure random key for use with crypto_stream - * - * @return string - * @throws Exception - * @throws Error - */ - public static function crypto_stream_keygen() - { - return random_bytes(self::CRYPTO_STREAM_KEYBYTES); - } - - /** - * Cache-timing-safe implementation of hex2bin(). - * - * @param string $string Hexadecimal string - * @return string Raw binary string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress TooFewArguments - * @psalm-suppress MixedArgument - */ - public static function hex2bin($string) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1); - - if (self::useNewSodiumAPI()) { - if (is_callable('sodium_hex2bin')) { - return (string) sodium_hex2bin($string); - } - } - if (self::use_fallback('hex2bin')) { - return (string) call_user_func('\\Sodium\\hex2bin', $string); - } - return ParagonIE_Sodium_Core_Util::hex2bin($string); - } - - /** - * Increase a string (little endian) - * - * @param string $var - * - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function increment(&$var) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1); - - if (self::useNewSodiumAPI()) { - sodium_increment($var); - return; - } - if (self::use_fallback('increment')) { - $func = '\\Sodium\\increment'; - $func($var); - return; - } - - $len = ParagonIE_Sodium_Core_Util::strlen($var); - $c = 1; - $copy = ''; - for ($i = 0; $i < $len; ++$i) { - $c += ParagonIE_Sodium_Core_Util::chrToInt( - ParagonIE_Sodium_Core_Util::substr($var, $i, 1) - ); - $copy .= ParagonIE_Sodium_Core_Util::intToChr($c); - $c >>= 8; - } - $var = $copy; - } - - /** - * The equivalent to the libsodium minor version we aim to be compatible - * with (sans pwhash and memzero). - * - * @return int - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress UndefinedFunction - */ - public static function library_version_major() - { - if (self::useNewSodiumAPI()) { - return sodium_library_version_major(); - } - if (self::use_fallback('library_version_major')) { - return (int) call_user_func('\\Sodium\\library_version_major'); - } - return self::LIBRARY_VERSION_MAJOR; - } - - /** - * The equivalent to the libsodium minor version we aim to be compatible - * with (sans pwhash and memzero). - * - * @return int - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress UndefinedFunction - */ - public static function library_version_minor() - { - if (self::useNewSodiumAPI()) { - return sodium_library_version_minor(); - } - if (self::use_fallback('library_version_minor')) { - return (int) call_user_func('\\Sodium\\library_version_minor'); - } - return self::LIBRARY_VERSION_MINOR; - } - - /** - * Compare two strings. - * - * @param string $left - * @param string $right - * @return int - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - */ - public static function memcmp($left, $right) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2); - - if (self::useNewSodiumAPI()) { - return sodium_memcmp($left, $right); - } - if (self::use_fallback('memcmp')) { - return (int) call_user_func('\\Sodium\\memcmp', $left, $right); - } - /** @var string $left */ - /** @var string $right */ - return ParagonIE_Sodium_Core_Util::memcmp($left, $right); - } - - /** - * It's actually not possible to zero memory buffers in PHP. You need the - * native library for that. - * - * @param string|null $var - * @param-out string|null $var - * - * @return void - * @throws SodiumException (Unless libsodium is installed) - * @throws TypeError - * @psalm-suppress TooFewArguments - */ - public static function memzero(&$var) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1); - - if (self::useNewSodiumAPI()) { - /** @psalm-suppress MixedArgument */ - sodium_memzero($var); - return; - } - if (self::use_fallback('memzero')) { - $func = '\\Sodium\\memzero'; - $func($var); - if ($var === null) { - return; - } - } - // This is the best we can do. - throw new SodiumException( - 'This is not implemented in sodium_compat, as it is not possible to securely wipe memory from PHP. ' . - 'To fix this error, make sure libsodium is installed and the PHP extension is enabled.' - ); - } - - /** - * @param string $unpadded - * @param int $blockSize - * @param bool $dontFallback - * @return string - * @throws SodiumException - */ - public static function pad($unpadded, $blockSize, $dontFallback = false) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($unpadded, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2); - - $unpadded = (string) $unpadded; - $blockSize = (int) $blockSize; - - if (self::useNewSodiumAPI() && !$dontFallback) { - return (string) sodium_pad($unpadded, $blockSize); - } - - if ($blockSize <= 0) { - throw new SodiumException( - 'block size cannot be less than 1' - ); - } - $unpadded_len = ParagonIE_Sodium_Core_Util::strlen($unpadded); - $xpadlen = ($blockSize - 1); - if (($blockSize & ($blockSize - 1)) === 0) { - $xpadlen -= $unpadded_len & ($blockSize - 1); - } else { - $xpadlen -= $unpadded_len % $blockSize; - } - - $xpadded_len = $unpadded_len + $xpadlen; - $padded = str_repeat("\0", $xpadded_len - 1); - if ($unpadded_len > 0) { - $st = 1; - $i = 0; - $k = $unpadded_len; - for ($j = 0; $j <= $xpadded_len; ++$j) { - $i = (int) $i; - $k = (int) $k; - $st = (int) $st; - if ($j >= $unpadded_len) { - $padded[$j] = "\0"; - } else { - $padded[$j] = $unpadded[$j]; - } - /** @var int $k */ - $k -= $st; - $st = (int) (~( - ( - ( - ($k >> 48) - | - ($k >> 32) - | - ($k >> 16) - | - $k - ) - 1 - ) >> 16 - ) - ) & 1; - $i += $st; - } - } - - $mask = 0; - $tail = $xpadded_len; - for ($i = 0; $i < $blockSize; ++$i) { - # barrier_mask = (unsigned char) - # (((i ^ xpadlen) - 1U) >> ((sizeof(size_t) - 1U) * CHAR_BIT)); - $barrier_mask = (($i ^ $xpadlen) -1) >> ((PHP_INT_SIZE << 3) - 1); - # tail[-i] = (tail[-i] & mask) | (0x80 & barrier_mask); - $padded[$tail - $i] = ParagonIE_Sodium_Core_Util::intToChr( - (ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]) & $mask) - | - (0x80 & $barrier_mask) - ); - # mask |= barrier_mask; - $mask |= $barrier_mask; - } - return $padded; - } - - /** - * @param string $padded - * @param int $blockSize - * @param bool $dontFallback - * @return string - * @throws SodiumException - */ - public static function unpad($padded, $blockSize, $dontFallback = false) - { - /* Type checks: */ - ParagonIE_Sodium_Core_Util::declareScalarType($padded, 'string', 1); - ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2); - - $padded = (string) $padded; - $blockSize = (int) $blockSize; - - if (self::useNewSodiumAPI() && !$dontFallback) { - return (string) sodium_unpad($padded, $blockSize); - } - if ($blockSize <= 0) { - throw new SodiumException('block size cannot be less than 1'); - } - $padded_len = ParagonIE_Sodium_Core_Util::strlen($padded); - if ($padded_len < $blockSize) { - throw new SodiumException('invalid padding'); - } - - # tail = &padded[padded_len - 1U]; - $tail = $padded_len - 1; - - $acc = 0; - $valid = 0; - $pad_len = 0; - - $found = 0; - for ($i = 0; $i < $blockSize; ++$i) { - # c = tail[-i]; - $c = ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]); - - # is_barrier = - # (( (acc - 1U) & (pad_len - 1U) & ((c ^ 0x80) - 1U) ) >> 8) & 1U; - $is_barrier = ( - ( - ($acc - 1) & ($pad_len - 1) & (($c ^ 80) - 1) - ) >> 7 - ) & 1; - $is_barrier &= ~$found; - $found |= $is_barrier; - - # acc |= c; - $acc |= $c; - - # pad_len |= i & (1U + ~is_barrier); - $pad_len |= $i & (1 + ~$is_barrier); - - # valid |= (unsigned char) is_barrier; - $valid |= ($is_barrier & 0xff); - } - # unpadded_len = padded_len - 1U - pad_len; - $unpadded_len = $padded_len - 1 - $pad_len; - if ($valid !== 1) { - throw new SodiumException('invalid padding'); - } - return ParagonIE_Sodium_Core_Util::substr($padded, 0, $unpadded_len); - } - - /** - * Will sodium_compat run fast on the current hardware and PHP configuration? - * - * @return bool - */ - public static function polyfill_is_fast() - { - if (extension_loaded('sodium')) { - return true; - } - if (extension_loaded('libsodium')) { - return true; - } - return PHP_INT_SIZE === 8; - } - - /** - * Generate a string of bytes from the kernel's CSPRNG. - * Proudly uses /dev/urandom (if getrandom(2) is not available). - * - * @param int $numBytes - * @return string - * @throws Exception - * @throws TypeError - */ - public static function randombytes_buf($numBytes) - { - /* Type checks: */ - if (!is_int($numBytes)) { - if (is_numeric($numBytes)) { - $numBytes = (int) $numBytes; - } else { - throw new TypeError( - 'Argument 1 must be an integer, ' . gettype($numBytes) . ' given.' - ); - } - } - if (self::use_fallback('randombytes_buf')) { - return (string) call_user_func('\\Sodium\\randombytes_buf', $numBytes); - } - return random_bytes($numBytes); - } - - /** - * Generate an integer between 0 and $range (non-inclusive). - * - * @param int $range - * @return int - * @throws Exception - * @throws Error - * @throws TypeError - */ - public static function randombytes_uniform($range) - { - /* Type checks: */ - if (!is_int($range)) { - if (is_numeric($range)) { - $range = (int) $range; - } else { - throw new TypeError( - 'Argument 1 must be an integer, ' . gettype($range) . ' given.' - ); - } - } - if (self::use_fallback('randombytes_uniform')) { - return (int) call_user_func('\\Sodium\\randombytes_uniform', $range); - } - return random_int(0, $range - 1); - } - - /** - * Generate a random 16-bit integer. - * - * @return int - * @throws Exception - * @throws Error - * @throws TypeError - */ - public static function randombytes_random16() - { - if (self::use_fallback('randombytes_random16')) { - return (int) call_user_func('\\Sodium\\randombytes_random16'); - } - return random_int(0, 65535); - } - - /** - * Runtime testing method for 32-bit platforms. - * - * Usage: If runtime_speed_test() returns FALSE, then our 32-bit - * implementation is to slow to use safely without risking timeouts. - * If this happens, install sodium from PECL to get acceptable - * performance. - * - * @param int $iterations Number of multiplications to attempt - * @param int $maxTimeout Milliseconds - * @return bool TRUE if we're fast enough, FALSE is not - * @throws SodiumException - */ - public static function runtime_speed_test($iterations, $maxTimeout) - { - if (self::polyfill_is_fast()) { - return true; - } - /** @var float $end */ - $end = 0.0; - /** @var float $start */ - $start = microtime(true); - /** @var ParagonIE_Sodium_Core32_Int64 $a */ - $a = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16)); - for ($i = 0; $i < $iterations; ++$i) { - /** @var ParagonIE_Sodium_Core32_Int64 $b */ - $b = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16)); - $a->mulInt64($b); - } - /** @var float $end */ - $end = microtime(true); - /** @var int $diff */ - $diff = (int) ceil(($end - $start) * 1000); - return $diff < $maxTimeout; - } - - /** - * This emulates libsodium's version_string() function, except ours is - * prefixed with 'polyfill-'. - * - * @return string - * @psalm-suppress MixedInferredReturnType - * @psalm-suppress UndefinedFunction - */ - public static function version_string() - { - if (self::useNewSodiumAPI()) { - return (string) sodium_version_string(); - } - if (self::use_fallback('version_string')) { - return (string) call_user_func('\\Sodium\\version_string'); - } - return (string) self::VERSION_STRING; - } - - /** - * Should we use the libsodium core function instead? - * This is always a good idea, if it's available. (Unless we're in the - * middle of running our unit test suite.) - * - * If ext/libsodium is available, use it. Return TRUE. - * Otherwise, we have to use the code provided herein. Return FALSE. - * - * @param string $sodium_func_name - * - * @return bool - */ - protected static function use_fallback($sodium_func_name = '') - { - static $res = null; - if ($res === null) { - $res = extension_loaded('libsodium') && PHP_VERSION_ID >= 50300; - } - if ($res === false) { - // No libsodium installed - return false; - } - if (self::$disableFallbackForUnitTests) { - // Don't fallback. Use the PHP implementation. - return false; - } - if (!empty($sodium_func_name)) { - return is_callable('\\Sodium\\' . $sodium_func_name); - } - return true; - } - - /** - * Libsodium as implemented in PHP 7.2 - * and/or ext/sodium (via PECL) - * - * @ref https://wiki.php.net/rfc/libsodium - * @return bool - */ - protected static function useNewSodiumAPI() - { - static $res = null; - if ($res === null) { - $res = PHP_VERSION_ID >= 70000 && extension_loaded('sodium'); - } - if (self::$disableFallbackForUnitTests) { - // Don't fallback. Use the PHP implementation. - return false; - } - return (bool) $res; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/BLAKE2b.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/BLAKE2b.php deleted file mode 100644 index 930a0ed..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/BLAKE2b.php +++ /dev/null @@ -1,789 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_BLAKE2b - * - * Based on the work of Devi Mandiri in devi/salt. - */ -abstract class ParagonIE_Sodium_Core_BLAKE2b extends ParagonIE_Sodium_Core_Util -{ - /** - * @var SplFixedArray - */ - protected static $iv; - - /** - * @var array<int, array<int, int>> - */ - protected static $sigma = array( - array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), - array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3), - array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4), - array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8), - array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13), - array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9), - array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11), - array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10), - array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5), - array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0), - array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), - array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3) - ); - - const BLOCKBYTES = 128; - const OUTBYTES = 64; - const KEYBYTES = 64; - - /** - * Turn two 32-bit integers into a fixed array representing a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int $high - * @param int $low - * @return SplFixedArray - * @psalm-suppress MixedAssignment - */ - public static function new64($high, $low) - { - $i64 = new SplFixedArray(2); - $i64[0] = $high & 0xffffffff; - $i64[1] = $low & 0xffffffff; - return $i64; - } - - /** - * Convert an arbitrary number into an SplFixedArray of two 32-bit integers - * that represents a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int $num - * @return SplFixedArray - */ - protected static function to64($num) - { - list($hi, $lo) = self::numericTo64BitInteger($num); - return self::new64($hi, $lo); - } - - /** - * Adds two 64-bit integers together, returning their sum as a SplFixedArray - * containing two 32-bit integers (representing a 64-bit integer). - * - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param SplFixedArray $y - * @return SplFixedArray - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedOperand - */ - protected static function add64($x, $y) - { - $l = ($x[1] + $y[1]) & 0xffffffff; - return self::new64( - (int) ($x[0] + $y[0] + ( - ($l < $x[1]) ? 1 : 0 - )), - (int) $l - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param SplFixedArray $y - * @param SplFixedArray $z - * @return SplFixedArray - */ - protected static function add364($x, $y, $z) - { - return self::add64($x, self::add64($y, $z)); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param SplFixedArray $y - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - */ - protected static function xor64(SplFixedArray $x, SplFixedArray $y) - { - if (!is_numeric($x[0])) { - throw new SodiumException('x[0] is not an integer'); - } - if (!is_numeric($x[1])) { - throw new SodiumException('x[1] is not an integer'); - } - if (!is_numeric($y[0])) { - throw new SodiumException('y[0] is not an integer'); - } - if (!is_numeric($y[1])) { - throw new SodiumException('y[1] is not an integer'); - } - return self::new64( - (int) (($x[0] ^ $y[0]) & 0xffffffff), - (int) (($x[1] ^ $y[1]) & 0xffffffff) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param int $c - * @return SplFixedArray - * @psalm-suppress MixedAssignment - */ - public static function rotr64($x, $c) - { - if ($c >= 64) { - $c %= 64; - } - if ($c >= 32) { - /** @var int $tmp */ - $tmp = $x[0]; - $x[0] = $x[1]; - $x[1] = $tmp; - $c -= 32; - } - if ($c === 0) { - return $x; - } - - $l0 = 0; - $c = 64 - $c; - - if ($c < 32) { - /** @var int $h0 */ - $h0 = ((int) ($x[0]) << $c) | ( - ( - (int) ($x[1]) & ((1 << $c) - 1) - << - (32 - $c) - ) >> (32 - $c) - ); - /** @var int $l0 */ - $l0 = (int) ($x[1]) << $c; - } else { - /** @var int $h0 */ - $h0 = (int) ($x[1]) << ($c - 32); - } - - $h1 = 0; - $c1 = 64 - $c; - - if ($c1 < 32) { - /** @var int $h1 */ - $h1 = (int) ($x[0]) >> $c1; - /** @var int $l1 */ - $l1 = ((int) ($x[1]) >> $c1) | ((int) ($x[0]) & ((1 << $c1) - 1)) << (32 - $c1); - } else { - /** @var int $l1 */ - $l1 = (int) ($x[0]) >> ($c1 - 32); - } - - return self::new64($h0 | $h1, $l0 | $l1); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @return int - * @psalm-suppress MixedOperand - */ - protected static function flatten64($x) - { - return (int) ($x[0] * 4294967296 + $x[1]); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param int $i - * @return SplFixedArray - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayOffset - */ - protected static function load64(SplFixedArray $x, $i) - { - /** @var int $l */ - $l = (int) ($x[$i]) - | ((int) ($x[$i+1]) << 8) - | ((int) ($x[$i+2]) << 16) - | ((int) ($x[$i+3]) << 24); - /** @var int $h */ - $h = (int) ($x[$i+4]) - | ((int) ($x[$i+5]) << 8) - | ((int) ($x[$i+6]) << 16) - | ((int) ($x[$i+7]) << 24); - return self::new64($h, $l); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param int $i - * @param SplFixedArray $u - * @return void - * @psalm-suppress MixedAssignment - */ - protected static function store64(SplFixedArray $x, $i, SplFixedArray $u) - { - $maxLength = $x->getSize() - 1; - for ($j = 0; $j < 8; ++$j) { - /* - [0, 1, 2, 3, 4, 5, 6, 7] - ... becomes ... - [0, 0, 0, 0, 1, 1, 1, 1] - */ - /** @var int $uIdx */ - $uIdx = ((7 - $j) & 4) >> 2; - $x[$i] = ((int) ($u[$uIdx]) & 0xff); - if (++$i > $maxLength) { - return; - } - /** @psalm-suppress MixedOperand */ - $u[$uIdx] >>= 8; - } - } - - /** - * This just sets the $iv static variable. - * - * @internal You should not use this directly from another application - * - * @return void - */ - public static function pseudoConstructor() - { - static $called = false; - if ($called) { - return; - } - self::$iv = new SplFixedArray(8); - self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908); - self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b); - self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b); - self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1); - self::$iv[4] = self::new64(0x510e527f, 0xade682d1); - self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f); - self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b); - self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179); - - $called = true; - } - - /** - * Returns a fresh BLAKE2 context. - * - * @internal You should not use this directly from another application - * - * @return SplFixedArray - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - */ - protected static function context() - { - $ctx = new SplFixedArray(6); - $ctx[0] = new SplFixedArray(8); // h - $ctx[1] = new SplFixedArray(2); // t - $ctx[2] = new SplFixedArray(2); // f - $ctx[3] = new SplFixedArray(256); // buf - $ctx[4] = 0; // buflen - $ctx[5] = 0; // last_node (uint8_t) - - for ($i = 8; $i--;) { - $ctx[0][$i] = self::$iv[$i]; - } - for ($i = 256; $i--;) { - $ctx[3][$i] = 0; - } - - $zero = self::new64(0, 0); - $ctx[1][0] = $zero; - $ctx[1][1] = $zero; - $ctx[2][0] = $zero; - $ctx[2][1] = $zero; - - return $ctx; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $buf - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - */ - protected static function compress(SplFixedArray $ctx, SplFixedArray $buf) - { - $m = new SplFixedArray(16); - $v = new SplFixedArray(16); - - for ($i = 16; $i--;) { - $m[$i] = self::load64($buf, $i << 3); - } - - for ($i = 8; $i--;) { - $v[$i] = $ctx[0][$i]; - } - - $v[ 8] = self::$iv[0]; - $v[ 9] = self::$iv[1]; - $v[10] = self::$iv[2]; - $v[11] = self::$iv[3]; - - $v[12] = self::xor64($ctx[1][0], self::$iv[4]); - $v[13] = self::xor64($ctx[1][1], self::$iv[5]); - $v[14] = self::xor64($ctx[2][0], self::$iv[6]); - $v[15] = self::xor64($ctx[2][1], self::$iv[7]); - - for ($r = 0; $r < 12; ++$r) { - $v = self::G($r, 0, 0, 4, 8, 12, $v, $m); - $v = self::G($r, 1, 1, 5, 9, 13, $v, $m); - $v = self::G($r, 2, 2, 6, 10, 14, $v, $m); - $v = self::G($r, 3, 3, 7, 11, 15, $v, $m); - $v = self::G($r, 4, 0, 5, 10, 15, $v, $m); - $v = self::G($r, 5, 1, 6, 11, 12, $v, $m); - $v = self::G($r, 6, 2, 7, 8, 13, $v, $m); - $v = self::G($r, 7, 3, 4, 9, 14, $v, $m); - } - - for ($i = 8; $i--;) { - $ctx[0][$i] = self::xor64( - $ctx[0][$i], self::xor64($v[$i], $v[$i+8]) - ); - } - } - - /** - * @internal You should not use this directly from another application - * - * @param int $r - * @param int $i - * @param int $a - * @param int $b - * @param int $c - * @param int $d - * @param SplFixedArray $v - * @param SplFixedArray $m - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayOffset - */ - public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m) - { - $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]); - $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32); - $v[$c] = self::add64($v[$c], $v[$d]); - $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24); - $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]); - $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16); - $v[$c] = self::add64($v[$c], $v[$d]); - $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63); - return $v; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param int $inc - * @return void - * @throws SodiumException - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - */ - public static function increment_counter($ctx, $inc) - { - if ($inc < 0) { - throw new SodiumException('Increasing by a negative number makes no sense.'); - } - $t = self::to64($inc); - # S->t is $ctx[1] in our implementation - - # S->t[0] = ( uint64_t )( t >> 0 ); - $ctx[1][0] = self::add64($ctx[1][0], $t); - - # S->t[1] += ( S->t[0] < inc ); - if (self::flatten64($ctx[1][0]) < $inc) { - $ctx[1][1] = self::add64($ctx[1][1], self::to64(1)); - } - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $p - * @param int $plen - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedOperand - */ - public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen) - { - self::pseudoConstructor(); - - $offset = 0; - while ($plen > 0) { - $left = $ctx[4]; - $fill = 256 - $left; - - if ($plen > $fill) { - # memcpy( S->buf + left, in, fill ); /* Fill buffer */ - for ($i = $fill; $i--;) { - $ctx[3][$i + $left] = $p[$i + $offset]; - } - - # S->buflen += fill; - $ctx[4] += $fill; - - # blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); - self::increment_counter($ctx, 128); - - # blake2b_compress( S, S->buf ); /* Compress */ - self::compress($ctx, $ctx[3]); - - # memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */ - for ($i = 128; $i--;) { - $ctx[3][$i] = $ctx[3][$i + 128]; - } - - # S->buflen -= BLAKE2B_BLOCKBYTES; - $ctx[4] -= 128; - - # in += fill; - $offset += $fill; - - # inlen -= fill; - $plen -= $fill; - } else { - for ($i = $plen; $i--;) { - $ctx[3][$i + $left] = $p[$i + $offset]; - } - $ctx[4] += $plen; - $offset += $plen; - $plen -= $plen; - } - } - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $out - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedOperand - */ - public static function finish(SplFixedArray $ctx, SplFixedArray $out) - { - self::pseudoConstructor(); - if ($ctx[4] > 128) { - self::increment_counter($ctx, 128); - self::compress($ctx, $ctx[3]); - $ctx[4] -= 128; - if ($ctx[4] > 128) { - throw new SodiumException('Failed to assert that buflen <= 128 bytes'); - } - for ($i = $ctx[4]; $i--;) { - $ctx[3][$i] = $ctx[3][$i + 128]; - } - } - - self::increment_counter($ctx, $ctx[4]); - $ctx[2][0] = self::new64(0xffffffff, 0xffffffff); - - for ($i = 256 - $ctx[4]; $i--;) { - $ctx[3][$i+$ctx[4]] = 0; - } - - self::compress($ctx, $ctx[3]); - - $i = (int) (($out->getSize() - 1) / 8); - for (; $i >= 0; --$i) { - self::store64($out, $i << 3, $ctx[0][$i]); - } - return $out; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray|null $key - * @param int $outlen - * @param SplFixedArray|null $salt - * @param SplFixedArray|null $personal - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - */ - public static function init( - $key = null, - $outlen = 64, - $salt = null, - $personal = null - ) { - self::pseudoConstructor(); - $klen = 0; - - if ($key !== null) { - if (count($key) > 64) { - throw new SodiumException('Invalid key size'); - } - $klen = count($key); - } - - if ($outlen > 64) { - throw new SodiumException('Invalid output size'); - } - - $ctx = self::context(); - - $p = new SplFixedArray(64); - // Zero our param buffer... - for ($i = 64; --$i;) { - $p[$i] = 0; - } - - $p[0] = $outlen; // digest_length - $p[1] = $klen; // key_length - $p[2] = 1; // fanout - $p[3] = 1; // depth - - if ($salt instanceof SplFixedArray) { - // salt: [32] through [47] - for ($i = 0; $i < 16; ++$i) { - $p[32 + $i] = (int) $salt[$i]; - } - } - if ($personal instanceof SplFixedArray) { - // personal: [48] through [63] - for ($i = 0; $i < 16; ++$i) { - $p[48 + $i] = (int) $personal[$i]; - } - } - - $ctx[0][0] = self::xor64( - $ctx[0][0], - self::load64($p, 0) - ); - if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) { - // We need to do what blake2b_init_param() does: - for ($i = 1; $i < 8; ++$i) { - $ctx[0][$i] = self::xor64( - $ctx[0][$i], - self::load64($p, $i << 3) - ); - } - } - - if ($klen > 0 && $key instanceof SplFixedArray) { - $block = new SplFixedArray(128); - for ($i = 128; $i--;) { - $block[$i] = 0; - } - for ($i = $klen; $i--;) { - $block[$i] = $key[$i]; - } - self::update($ctx, $block, 128); - $ctx[4] = 128; - } - - return $ctx; - } - - /** - * Convert a string into an SplFixedArray of integers - * - * @internal You should not use this directly from another application - * - * @param string $str - * @return SplFixedArray - */ - public static function stringToSplFixedArray($str = '') - { - $values = unpack('C*', $str); - return SplFixedArray::fromArray(array_values($values)); - } - - /** - * Convert an SplFixedArray of integers into a string - * - * @internal You should not use this directly from another application - * - * @param SplFixedArray $a - * @return string - * @throws TypeError - */ - public static function SplFixedArrayToString(SplFixedArray $a) - { - /** - * @var array<int, int|string> $arr - */ - $arr = $a->toArray(); - $c = $a->count(); - array_unshift($arr, str_repeat('C', $c)); - return (string) (call_user_func_array('pack', $arr)); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @return string - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedMethodCall - */ - public static function contextToString(SplFixedArray $ctx) - { - $str = ''; - /** @var array<int, array<int, int>> $ctxA */ - $ctxA = $ctx[0]->toArray(); - - # uint64_t h[8]; - for ($i = 0; $i < 8; ++$i) { - $str .= self::store32_le($ctxA[$i][1]); - $str .= self::store32_le($ctxA[$i][0]); - } - - # uint64_t t[2]; - # uint64_t f[2]; - for ($i = 1; $i < 3; ++$i) { - $ctxA = $ctx[$i]->toArray(); - $str .= self::store32_le($ctxA[0][1]); - $str .= self::store32_le($ctxA[0][0]); - $str .= self::store32_le($ctxA[1][1]); - $str .= self::store32_le($ctxA[1][0]); - } - - # uint8_t buf[2 * 128]; - $str .= self::SplFixedArrayToString($ctx[3]); - - /** @var int $ctx4 */ - $ctx4 = (int) $ctx[4]; - - # size_t buflen; - $str .= implode('', array( - self::intToChr($ctx4 & 0xff), - self::intToChr(($ctx4 >> 8) & 0xff), - self::intToChr(($ctx4 >> 16) & 0xff), - self::intToChr(($ctx4 >> 24) & 0xff), - self::intToChr(($ctx4 >> 32) & 0xff), - self::intToChr(($ctx4 >> 40) & 0xff), - self::intToChr(($ctx4 >> 48) & 0xff), - self::intToChr(($ctx4 >> 56) & 0xff) - )); - # uint8_t last_node; - return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23); - } - - /** - * Creates an SplFixedArray containing other SplFixedArray elements, from - * a string (compatible with \Sodium\crypto_generichash_{init, update, final}) - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAssignment - */ - public static function stringToContext($string) - { - $ctx = self::context(); - - # uint64_t h[8]; - for ($i = 0; $i < 8; ++$i) { - $ctx[0][$i] = SplFixedArray::fromArray( - array( - self::load_4( - self::substr($string, (($i << 3) + 4), 4) - ), - self::load_4( - self::substr($string, (($i << 3) + 0), 4) - ) - ) - ); - } - - # uint64_t t[2]; - # uint64_t f[2]; - for ($i = 1; $i < 3; ++$i) { - $ctx[$i][1] = SplFixedArray::fromArray( - array( - self::load_4(self::substr($string, 76 + (($i - 1) << 4), 4)), - self::load_4(self::substr($string, 72 + (($i - 1) << 4), 4)) - ) - ); - $ctx[$i][0] = SplFixedArray::fromArray( - array( - self::load_4(self::substr($string, 68 + (($i - 1) << 4), 4)), - self::load_4(self::substr($string, 64 + (($i - 1) << 4), 4)) - ) - ); - } - - # uint8_t buf[2 * 128]; - $ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256)); - - # uint8_t buf[2 * 128]; - $int = 0; - for ($i = 0; $i < 8; ++$i) { - $int |= self::chrToInt($string[352 + $i]) << ($i << 3); - } - $ctx[4] = $int; - - return $ctx; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Common.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Common.php deleted file mode 100644 index 94b2e8f..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Common.php +++ /dev/null @@ -1,213 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core_Base64 - * - * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. - * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) - * - * We have to copy/paste the contents into the variant files because PHP 5.2 - * doesn't support late static binding, and we have no better workaround - * available that won't break PHP 7+. Therefore, we're forced to duplicate code. - */ -abstract class ParagonIE_Sodium_Core_Base64_Common -{ - /** - * Encode into Base64 - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encode($src) - { - return self::doEncode($src, true); - } - - /** - * Encode into Base64, no = padding - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encodeUnpadded($src) - { - return self::doEncode($src, false); - } - - /** - * @param string $src - * @param bool $pad Include = padding? - * @return string - * @throws TypeError - */ - protected static function doEncode($src, $pad = true) - { - $dest = ''; - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - // Main loop (no padding): - for ($i = 0; $i + 3 <= $srcLen; $i += 3) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3)); - $b0 = $chunk[1]; - $b1 = $chunk[2]; - $b2 = $chunk[3]; - - $dest .= - self::encode6Bits( $b0 >> 2 ) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) . - self::encode6Bits( $b2 & 63); - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $b0 = $chunk[1]; - if ($i + 1 < $srcLen) { - $b1 = $chunk[2]; - $dest .= - self::encode6Bits($b0 >> 2) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits(($b1 << 2) & 63); - if ($pad) { - $dest .= '='; - } - } else { - $dest .= - self::encode6Bits( $b0 >> 2) . - self::encode6Bits(($b0 << 4) & 63); - if ($pad) { - $dest .= '=='; - } - } - } - return $dest; - } - - /** - * decode from base64 into binary - * - * Base64 character set "./[A-Z][a-z][0-9]" - * - * @param string $src - * @param bool $strictPadding - * @return string - * @throws RangeException - * @throws TypeError - * @psalm-suppress RedundantCondition - */ - public static function decode($src, $strictPadding = false) - { - // Remove padding - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - if ($srcLen === 0) { - return ''; - } - - if ($strictPadding) { - if (($srcLen & 3) === 0) { - if ($src[$srcLen - 1] === '=') { - $srcLen--; - if ($src[$srcLen - 1] === '=') { - $srcLen--; - } - } - } - if (($srcLen & 3) === 1) { - throw new RangeException( - 'Incorrect padding' - ); - } - if ($src[$srcLen - 1] === '=') { - throw new RangeException( - 'Incorrect padding' - ); - } - } else { - $src = rtrim($src, '='); - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - } - - $err = 0; - $dest = ''; - // Main loop (no padding): - for ($i = 0; $i + 4 <= $srcLen; $i += 4) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4)); - $c0 = self::decode6Bits($chunk[1]); - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $c3 = self::decode6Bits($chunk[4]); - - $dest .= pack( - 'CCC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff), - ((($c2 << 6) | $c3 ) & 0xff) - ); - $err |= ($c0 | $c1 | $c2 | $c3) >> 8; - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $c0 = self::decode6Bits($chunk[1]); - - if ($i + 2 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $dest .= pack( - 'CC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff) - ); - $err |= ($c0 | $c1 | $c2) >> 8; - } elseif ($i + 1 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $dest .= pack( - 'C', - ((($c0 << 2) | ($c1 >> 4)) & 0xff) - ); - $err |= ($c0 | $c1) >> 8; - } elseif ($i < $srcLen && $strictPadding) { - $err |= 1; - } - } - /** @var bool $check */ - $check = ($err === 0); - if (!$check) { - throw new RangeException( - 'Base64::decode() only expects characters in the correct base64 alphabet' - ); - } - return $dest; - } - - /** - * Uses bitwise operators instead of table-lookups to turn 6-bit integers - * into 8-bit integers. - * - * Base64 character set: - * [A-Z] [a-z] [0-9] + / - * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f - * - * @param int $src - * @return int - */ - abstract protected static function decode6Bits($src); - - /** - * Uses bitwise operators instead of table-lookups to turn 8-bit integers - * into 6-bit integers. - * - * @param int $src - * @return string - */ - abstract protected static function encode6Bits($src); -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Original.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Original.php deleted file mode 100644 index dc939ee..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/Original.php +++ /dev/null @@ -1,248 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core_Base64 - * - * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. - * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) - */ -class ParagonIE_Sodium_Core_Base64_Original -{ - // COPY ParagonIE_Sodium_Core_Base64_Common STARTING HERE - /** - * Encode into Base64 - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encode($src) - { - return self::doEncode($src, true); - } - - /** - * Encode into Base64, no = padding - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encodeUnpadded($src) - { - return self::doEncode($src, false); - } - - /** - * @param string $src - * @param bool $pad Include = padding? - * @return string - * @throws TypeError - */ - protected static function doEncode($src, $pad = true) - { - $dest = ''; - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - // Main loop (no padding): - for ($i = 0; $i + 3 <= $srcLen; $i += 3) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3)); - $b0 = $chunk[1]; - $b1 = $chunk[2]; - $b2 = $chunk[3]; - - $dest .= - self::encode6Bits( $b0 >> 2 ) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) . - self::encode6Bits( $b2 & 63); - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $b0 = $chunk[1]; - if ($i + 1 < $srcLen) { - $b1 = $chunk[2]; - $dest .= - self::encode6Bits($b0 >> 2) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits(($b1 << 2) & 63); - if ($pad) { - $dest .= '='; - } - } else { - $dest .= - self::encode6Bits( $b0 >> 2) . - self::encode6Bits(($b0 << 4) & 63); - if ($pad) { - $dest .= '=='; - } - } - } - return $dest; - } - - /** - * decode from base64 into binary - * - * Base64 character set "./[A-Z][a-z][0-9]" - * - * @param string $src - * @param bool $strictPadding - * @return string - * @throws RangeException - * @throws TypeError - * @psalm-suppress RedundantCondition - */ - public static function decode($src, $strictPadding = false) - { - // Remove padding - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - if ($srcLen === 0) { - return ''; - } - - if ($strictPadding) { - if (($srcLen & 3) === 0) { - if ($src[$srcLen - 1] === '=') { - $srcLen--; - if ($src[$srcLen - 1] === '=') { - $srcLen--; - } - } - } - if (($srcLen & 3) === 1) { - throw new RangeException( - 'Incorrect padding' - ); - } - if ($src[$srcLen - 1] === '=') { - throw new RangeException( - 'Incorrect padding' - ); - } - } else { - $src = rtrim($src, '='); - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - } - - $err = 0; - $dest = ''; - // Main loop (no padding): - for ($i = 0; $i + 4 <= $srcLen; $i += 4) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4)); - $c0 = self::decode6Bits($chunk[1]); - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $c3 = self::decode6Bits($chunk[4]); - - $dest .= pack( - 'CCC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff), - ((($c2 << 6) | $c3) & 0xff) - ); - $err |= ($c0 | $c1 | $c2 | $c3) >> 8; - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $c0 = self::decode6Bits($chunk[1]); - - if ($i + 2 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $dest .= pack( - 'CC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff) - ); - $err |= ($c0 | $c1 | $c2) >> 8; - } elseif ($i + 1 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $dest .= pack( - 'C', - ((($c0 << 2) | ($c1 >> 4)) & 0xff) - ); - $err |= ($c0 | $c1) >> 8; - } elseif ($i < $srcLen && $strictPadding) { - $err |= 1; - } - } - /** @var bool $check */ - $check = ($err === 0); - if (!$check) { - throw new RangeException( - 'Base64::decode() only expects characters in the correct base64 alphabet' - ); - } - return $dest; - } - // COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE - - /** - * Uses bitwise operators instead of table-lookups to turn 6-bit integers - * into 8-bit integers. - * - * Base64 character set: - * [A-Z] [a-z] [0-9] + / - * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f - * - * @param int $src - * @return int - */ - protected static function decode6Bits($src) - { - $ret = -1; - - // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64 - $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64); - - // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70 - $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70); - - // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5 - $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5); - - // if ($src == 0x2b) $ret += 62 + 1; - $ret += (((0x2a - $src) & ($src - 0x2c)) >> 8) & 63; - - // if ($src == 0x2f) ret += 63 + 1; - $ret += (((0x2e - $src) & ($src - 0x30)) >> 8) & 64; - - return $ret; - } - - /** - * Uses bitwise operators instead of table-lookups to turn 8-bit integers - * into 6-bit integers. - * - * @param int $src - * @return string - */ - protected static function encode6Bits($src) - { - $diff = 0x41; - - // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6 - $diff += ((25 - $src) >> 8) & 6; - - // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75 - $diff -= ((51 - $src) >> 8) & 75; - - // if ($src > 61) $diff += 0x2b - 0x30 - 10; // -15 - $diff -= ((61 - $src) >> 8) & 15; - - // if ($src > 62) $diff += 0x2f - 0x2b - 1; // 3 - $diff += ((62 - $src) >> 8) & 3; - - return pack('C', $src + $diff); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/UrlSafe.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/UrlSafe.php deleted file mode 100644 index 64bf53b..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Base64/UrlSafe.php +++ /dev/null @@ -1,247 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core_Base64UrlSafe - * - * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. - * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) - */ -class ParagonIE_Sodium_Core_Base64_UrlSafe -{ - // COPY ParagonIE_Sodium_Core_Base64_Common STARTING HERE - /** - * Encode into Base64 - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encode($src) - { - return self::doEncode($src, true); - } - - /** - * Encode into Base64, no = padding - * - * Base64 character set "[A-Z][a-z][0-9]+/" - * - * @param string $src - * @return string - * @throws TypeError - */ - public static function encodeUnpadded($src) - { - return self::doEncode($src, false); - } - - /** - * @param string $src - * @param bool $pad Include = padding? - * @return string - * @throws TypeError - */ - protected static function doEncode($src, $pad = true) - { - $dest = ''; - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - // Main loop (no padding): - for ($i = 0; $i + 3 <= $srcLen; $i += 3) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3)); - $b0 = $chunk[1]; - $b1 = $chunk[2]; - $b2 = $chunk[3]; - - $dest .= - self::encode6Bits( $b0 >> 2 ) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) . - self::encode6Bits( $b2 & 63); - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $b0 = $chunk[1]; - if ($i + 1 < $srcLen) { - $b1 = $chunk[2]; - $dest .= - self::encode6Bits($b0 >> 2) . - self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) . - self::encode6Bits(($b1 << 2) & 63); - if ($pad) { - $dest .= '='; - } - } else { - $dest .= - self::encode6Bits( $b0 >> 2) . - self::encode6Bits(($b0 << 4) & 63); - if ($pad) { - $dest .= '=='; - } - } - } - return $dest; - } - - /** - * decode from base64 into binary - * - * Base64 character set "./[A-Z][a-z][0-9]" - * - * @param string $src - * @param bool $strictPadding - * @return string - * @throws RangeException - * @throws TypeError - * @psalm-suppress RedundantCondition - */ - public static function decode($src, $strictPadding = false) - { - // Remove padding - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - if ($srcLen === 0) { - return ''; - } - - if ($strictPadding) { - if (($srcLen & 3) === 0) { - if ($src[$srcLen - 1] === '=') { - $srcLen--; - if ($src[$srcLen - 1] === '=') { - $srcLen--; - } - } - } - if (($srcLen & 3) === 1) { - throw new RangeException( - 'Incorrect padding' - ); - } - if ($src[$srcLen - 1] === '=') { - throw new RangeException( - 'Incorrect padding' - ); - } - } else { - $src = rtrim($src, '='); - $srcLen = ParagonIE_Sodium_Core_Util::strlen($src); - } - - $err = 0; - $dest = ''; - // Main loop (no padding): - for ($i = 0; $i + 4 <= $srcLen; $i += 4) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4)); - $c0 = self::decode6Bits($chunk[1]); - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $c3 = self::decode6Bits($chunk[4]); - - $dest .= pack( - 'CCC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff), - ((($c2 << 6) | $c3) & 0xff) - ); - $err |= ($c0 | $c1 | $c2 | $c3) >> 8; - } - // The last chunk, which may have padding: - if ($i < $srcLen) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i)); - $c0 = self::decode6Bits($chunk[1]); - - if ($i + 2 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $c2 = self::decode6Bits($chunk[3]); - $dest .= pack( - 'CC', - ((($c0 << 2) | ($c1 >> 4)) & 0xff), - ((($c1 << 4) | ($c2 >> 2)) & 0xff) - ); - $err |= ($c0 | $c1 | $c2) >> 8; - } elseif ($i + 1 < $srcLen) { - $c1 = self::decode6Bits($chunk[2]); - $dest .= pack( - 'C', - ((($c0 << 2) | ($c1 >> 4)) & 0xff) - ); - $err |= ($c0 | $c1) >> 8; - } elseif ($i < $srcLen && $strictPadding) { - $err |= 1; - } - } - /** @var bool $check */ - $check = ($err === 0); - if (!$check) { - throw new RangeException( - 'Base64::decode() only expects characters in the correct base64 alphabet' - ); - } - return $dest; - } - // COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE - /** - * Uses bitwise operators instead of table-lookups to turn 6-bit integers - * into 8-bit integers. - * - * Base64 character set: - * [A-Z] [a-z] [0-9] + / - * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f - * - * @param int $src - * @return int - */ - protected static function decode6Bits($src) - { - $ret = -1; - - // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64 - $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64); - - // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70 - $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70); - - // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5 - $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5); - - // if ($src == 0x2c) $ret += 62 + 1; - $ret += (((0x2c - $src) & ($src - 0x2e)) >> 8) & 63; - - // if ($src == 0x5f) ret += 63 + 1; - $ret += (((0x5e - $src) & ($src - 0x60)) >> 8) & 64; - - return $ret; - } - - /** - * Uses bitwise operators instead of table-lookups to turn 8-bit integers - * into 6-bit integers. - * - * @param int $src - * @return string - */ - protected static function encode6Bits($src) - { - $diff = 0x41; - - // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6 - $diff += ((25 - $src) >> 8) & 6; - - // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75 - $diff -= ((51 - $src) >> 8) & 75; - - // if ($src > 61) $diff += 0x2d - 0x30 - 10; // -13 - $diff -= ((61 - $src) >> 8) & 13; - - // if ($src > 62) $diff += 0x5f - 0x2b - 1; // 3 - $diff += ((62 - $src) >> 8) & 49; - - return pack('C', $src + $diff); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20.php deleted file mode 100644 index 806010c..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20.php +++ /dev/null @@ -1,395 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_ChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_ChaCha20 - */ -class ParagonIE_Sodium_Core_ChaCha20 extends ParagonIE_Sodium_Core_Util -{ - /** - * Bitwise left rotation - * - * @internal You should not use this directly from another application - * - * @param int $v - * @param int $n - * @return int - */ - public static function rotate($v, $n) - { - $v &= 0xffffffff; - $n &= 31; - return (int) ( - 0xffffffff & ( - ($v << $n) - | - ($v >> (32 - $n)) - ) - ); - } - - /** - * The ChaCha20 quarter round function. Works on four 32-bit integers. - * - * @internal You should not use this directly from another application - * - * @param int $a - * @param int $b - * @param int $c - * @param int $d - * @return array<int, int> - */ - protected static function quarterRound($a, $b, $c, $d) - { - # a = PLUS(a,b); d = ROTATE(XOR(d,a),16); - /** @var int $a */ - $a = ($a + $b) & 0xffffffff; - $d = self::rotate($d ^ $a, 16); - - # c = PLUS(c,d); b = ROTATE(XOR(b,c),12); - /** @var int $c */ - $c = ($c + $d) & 0xffffffff; - $b = self::rotate($b ^ $c, 12); - - # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); - /** @var int $a */ - $a = ($a + $b) & 0xffffffff; - $d = self::rotate($d ^ $a, 8); - - # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); - /** @var int $c */ - $c = ($c + $d) & 0xffffffff; - $b = self::rotate($b ^ $c, 7); - return array((int) $a, (int) $b, (int) $c, (int) $d); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx - * @param string $message - * - * @return string - * @throws TypeError - * @throws SodiumException - */ - public static function encryptBytes( - ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx, - $message = '' - ) { - $bytes = self::strlen($message); - - /* - j0 = ctx->input[0]; - j1 = ctx->input[1]; - j2 = ctx->input[2]; - j3 = ctx->input[3]; - j4 = ctx->input[4]; - j5 = ctx->input[5]; - j6 = ctx->input[6]; - j7 = ctx->input[7]; - j8 = ctx->input[8]; - j9 = ctx->input[9]; - j10 = ctx->input[10]; - j11 = ctx->input[11]; - j12 = ctx->input[12]; - j13 = ctx->input[13]; - j14 = ctx->input[14]; - j15 = ctx->input[15]; - */ - $j0 = (int) $ctx[0]; - $j1 = (int) $ctx[1]; - $j2 = (int) $ctx[2]; - $j3 = (int) $ctx[3]; - $j4 = (int) $ctx[4]; - $j5 = (int) $ctx[5]; - $j6 = (int) $ctx[6]; - $j7 = (int) $ctx[7]; - $j8 = (int) $ctx[8]; - $j9 = (int) $ctx[9]; - $j10 = (int) $ctx[10]; - $j11 = (int) $ctx[11]; - $j12 = (int) $ctx[12]; - $j13 = (int) $ctx[13]; - $j14 = (int) $ctx[14]; - $j15 = (int) $ctx[15]; - - $c = ''; - for (;;) { - if ($bytes < 64) { - $message .= str_repeat("\x00", 64 - $bytes); - } - - $x0 = (int) $j0; - $x1 = (int) $j1; - $x2 = (int) $j2; - $x3 = (int) $j3; - $x4 = (int) $j4; - $x5 = (int) $j5; - $x6 = (int) $j6; - $x7 = (int) $j7; - $x8 = (int) $j8; - $x9 = (int) $j9; - $x10 = (int) $j10; - $x11 = (int) $j11; - $x12 = (int) $j12; - $x13 = (int) $j13; - $x14 = (int) $j14; - $x15 = (int) $j15; - - # for (i = 20; i > 0; i -= 2) { - for ($i = 20; $i > 0; $i -= 2) { - # QUARTERROUND( x0, x4, x8, x12) - list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); - - # QUARTERROUND( x1, x5, x9, x13) - list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); - - # QUARTERROUND( x2, x6, x10, x14) - list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); - - # QUARTERROUND( x3, x7, x11, x15) - list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); - - # QUARTERROUND( x0, x5, x10, x15) - list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); - - # QUARTERROUND( x1, x6, x11, x12) - list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); - - # QUARTERROUND( x2, x7, x8, x13) - list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); - - # QUARTERROUND( x3, x4, x9, x14) - list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); - } - /* - x0 = PLUS(x0, j0); - x1 = PLUS(x1, j1); - x2 = PLUS(x2, j2); - x3 = PLUS(x3, j3); - x4 = PLUS(x4, j4); - x5 = PLUS(x5, j5); - x6 = PLUS(x6, j6); - x7 = PLUS(x7, j7); - x8 = PLUS(x8, j8); - x9 = PLUS(x9, j9); - x10 = PLUS(x10, j10); - x11 = PLUS(x11, j11); - x12 = PLUS(x12, j12); - x13 = PLUS(x13, j13); - x14 = PLUS(x14, j14); - x15 = PLUS(x15, j15); - */ - /** @var int $x0 */ - $x0 = ($x0 & 0xffffffff) + $j0; - /** @var int $x1 */ - $x1 = ($x1 & 0xffffffff) + $j1; - /** @var int $x2 */ - $x2 = ($x2 & 0xffffffff) + $j2; - /** @var int $x3 */ - $x3 = ($x3 & 0xffffffff) + $j3; - /** @var int $x4 */ - $x4 = ($x4 & 0xffffffff) + $j4; - /** @var int $x5 */ - $x5 = ($x5 & 0xffffffff) + $j5; - /** @var int $x6 */ - $x6 = ($x6 & 0xffffffff) + $j6; - /** @var int $x7 */ - $x7 = ($x7 & 0xffffffff) + $j7; - /** @var int $x8 */ - $x8 = ($x8 & 0xffffffff) + $j8; - /** @var int $x9 */ - $x9 = ($x9 & 0xffffffff) + $j9; - /** @var int $x10 */ - $x10 = ($x10 & 0xffffffff) + $j10; - /** @var int $x11 */ - $x11 = ($x11 & 0xffffffff) + $j11; - /** @var int $x12 */ - $x12 = ($x12 & 0xffffffff) + $j12; - /** @var int $x13 */ - $x13 = ($x13 & 0xffffffff) + $j13; - /** @var int $x14 */ - $x14 = ($x14 & 0xffffffff) + $j14; - /** @var int $x15 */ - $x15 = ($x15 & 0xffffffff) + $j15; - - /* - x0 = XOR(x0, LOAD32_LE(m + 0)); - x1 = XOR(x1, LOAD32_LE(m + 4)); - x2 = XOR(x2, LOAD32_LE(m + 8)); - x3 = XOR(x3, LOAD32_LE(m + 12)); - x4 = XOR(x4, LOAD32_LE(m + 16)); - x5 = XOR(x5, LOAD32_LE(m + 20)); - x6 = XOR(x6, LOAD32_LE(m + 24)); - x7 = XOR(x7, LOAD32_LE(m + 28)); - x8 = XOR(x8, LOAD32_LE(m + 32)); - x9 = XOR(x9, LOAD32_LE(m + 36)); - x10 = XOR(x10, LOAD32_LE(m + 40)); - x11 = XOR(x11, LOAD32_LE(m + 44)); - x12 = XOR(x12, LOAD32_LE(m + 48)); - x13 = XOR(x13, LOAD32_LE(m + 52)); - x14 = XOR(x14, LOAD32_LE(m + 56)); - x15 = XOR(x15, LOAD32_LE(m + 60)); - */ - $x0 ^= self::load_4(self::substr($message, 0, 4)); - $x1 ^= self::load_4(self::substr($message, 4, 4)); - $x2 ^= self::load_4(self::substr($message, 8, 4)); - $x3 ^= self::load_4(self::substr($message, 12, 4)); - $x4 ^= self::load_4(self::substr($message, 16, 4)); - $x5 ^= self::load_4(self::substr($message, 20, 4)); - $x6 ^= self::load_4(self::substr($message, 24, 4)); - $x7 ^= self::load_4(self::substr($message, 28, 4)); - $x8 ^= self::load_4(self::substr($message, 32, 4)); - $x9 ^= self::load_4(self::substr($message, 36, 4)); - $x10 ^= self::load_4(self::substr($message, 40, 4)); - $x11 ^= self::load_4(self::substr($message, 44, 4)); - $x12 ^= self::load_4(self::substr($message, 48, 4)); - $x13 ^= self::load_4(self::substr($message, 52, 4)); - $x14 ^= self::load_4(self::substr($message, 56, 4)); - $x15 ^= self::load_4(self::substr($message, 60, 4)); - - /* - j12 = PLUSONE(j12); - if (!j12) { - j13 = PLUSONE(j13); - } - */ - ++$j12; - if ($j12 & 0xf0000000) { - throw new SodiumException('Overflow'); - } - - /* - STORE32_LE(c + 0, x0); - STORE32_LE(c + 4, x1); - STORE32_LE(c + 8, x2); - STORE32_LE(c + 12, x3); - STORE32_LE(c + 16, x4); - STORE32_LE(c + 20, x5); - STORE32_LE(c + 24, x6); - STORE32_LE(c + 28, x7); - STORE32_LE(c + 32, x8); - STORE32_LE(c + 36, x9); - STORE32_LE(c + 40, x10); - STORE32_LE(c + 44, x11); - STORE32_LE(c + 48, x12); - STORE32_LE(c + 52, x13); - STORE32_LE(c + 56, x14); - STORE32_LE(c + 60, x15); - */ - $block = self::store32_le((int) ($x0 & 0xffffffff)) . - self::store32_le((int) ($x1 & 0xffffffff)) . - self::store32_le((int) ($x2 & 0xffffffff)) . - self::store32_le((int) ($x3 & 0xffffffff)) . - self::store32_le((int) ($x4 & 0xffffffff)) . - self::store32_le((int) ($x5 & 0xffffffff)) . - self::store32_le((int) ($x6 & 0xffffffff)) . - self::store32_le((int) ($x7 & 0xffffffff)) . - self::store32_le((int) ($x8 & 0xffffffff)) . - self::store32_le((int) ($x9 & 0xffffffff)) . - self::store32_le((int) ($x10 & 0xffffffff)) . - self::store32_le((int) ($x11 & 0xffffffff)) . - self::store32_le((int) ($x12 & 0xffffffff)) . - self::store32_le((int) ($x13 & 0xffffffff)) . - self::store32_le((int) ($x14 & 0xffffffff)) . - self::store32_le((int) ($x15 & 0xffffffff)); - - /* Partial block */ - if ($bytes < 64) { - $c .= self::substr($block, 0, $bytes); - break; - } - - /* Full block */ - $c .= $block; - $bytes -= 64; - if ($bytes <= 0) { - break; - } - $message = self::substr($message, 64); - } - /* end for(;;) loop */ - - $ctx[12] = $j12; - $ctx[13] = $j13; - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function stream($len = 64, $nonce = '', $key = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStream($len, $nonce = '', $key = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce, $ic), - $message - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce, $ic), - $message - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php deleted file mode 100644 index 47a42b7..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php +++ /dev/null @@ -1,119 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_ChaCha20_Ctx', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_ChaCha20_Ctx - */ -class ParagonIE_Sodium_Core_ChaCha20_Ctx extends ParagonIE_Sodium_Core_Util implements ArrayAccess -{ - /** - * @var SplFixedArray internally, <int, int> - */ - protected $container; - - /** - * ParagonIE_Sodium_Core_ChaCha20_Ctx constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key ChaCha20 key. - * @param string $iv Initialization Vector (a.k.a. nonce). - * @param string $counter The initial counter value. - * Defaults to 8 0x00 bytes. - * @throws InvalidArgumentException - * @throws TypeError - */ - public function __construct($key = '', $iv = '', $counter = '') - { - if (self::strlen($key) !== 32) { - throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.'); - } - if (self::strlen($iv) !== 8) { - throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.'); - } - $this->container = new SplFixedArray(16); - - /* "expand 32-byte k" as per ChaCha20 spec */ - $this->container[0] = 0x61707865; - $this->container[1] = 0x3320646e; - $this->container[2] = 0x79622d32; - $this->container[3] = 0x6b206574; - $this->container[4] = self::load_4(self::substr($key, 0, 4)); - $this->container[5] = self::load_4(self::substr($key, 4, 4)); - $this->container[6] = self::load_4(self::substr($key, 8, 4)); - $this->container[7] = self::load_4(self::substr($key, 12, 4)); - $this->container[8] = self::load_4(self::substr($key, 16, 4)); - $this->container[9] = self::load_4(self::substr($key, 20, 4)); - $this->container[10] = self::load_4(self::substr($key, 24, 4)); - $this->container[11] = self::load_4(self::substr($key, 28, 4)); - - if (empty($counter)) { - $this->container[12] = 0; - $this->container[13] = 0; - } else { - $this->container[12] = self::load_4(self::substr($counter, 0, 4)); - $this->container[13] = self::load_4(self::substr($counter, 4, 4)); - } - $this->container[14] = self::load_4(self::substr($iv, 0, 4)); - $this->container[15] = self::load_4(self::substr($iv, 4, 4)); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @param int $value - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetSet($offset, $value) - { - if (!is_int($offset)) { - throw new InvalidArgumentException('Expected an integer'); - } - if (!is_int($value)) { - throw new InvalidArgumentException('Expected an integer'); - } - $this->container[$offset] = $value; - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return bool - */ - public function offsetExists($offset) - { - return isset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetUnset($offset) - { - unset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return mixed|null - * @psalm-suppress MixedArrayOffset - */ - public function offsetGet($offset) - { - return isset($this->container[$offset]) - ? $this->container[$offset] - : null; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php deleted file mode 100644 index 4d63b90..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php +++ /dev/null @@ -1,38 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_ChaCha20_IetfCtx - */ -class ParagonIE_Sodium_Core_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core_ChaCha20_Ctx -{ - /** - * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key ChaCha20 key. - * @param string $iv Initialization Vector (a.k.a. nonce). - * @param string $counter The initial counter value. - * Defaults to 4 0x00 bytes. - * @throws InvalidArgumentException - * @throws TypeError - */ - public function __construct($key = '', $iv = '', $counter = '') - { - if (self::strlen($iv) !== 12) { - throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.'); - } - parent::__construct($key, self::substr($iv, 0, 8), $counter); - - if (!empty($counter)) { - $this->container[12] = self::load_4(self::substr($counter, 0, 4)); - } - $this->container[13] = self::load_4(self::substr($iv, 0, 4)); - $this->container[14] = self::load_4(self::substr($iv, 4, 4)); - $this->container[15] = self::load_4(self::substr($iv, 8, 4)); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519.php deleted file mode 100644 index 4402f91..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519.php +++ /dev/null @@ -1,3002 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519 - * - * Implements Curve25519 core functions - * - * Based on the ref10 curve25519 code provided by libsodium - * - * @ref https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c - */ -abstract class ParagonIE_Sodium_Core_Curve25519 extends ParagonIE_Sodium_Core_Curve25519_H -{ - /** - * Get a field element of size 10 with a value of 0 - * - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_0() - { - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0) - ); - } - - /** - * Get a field element of size 10 with a value of 1 - * - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_1() - { - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array(1, 0, 0, 0, 0, 0, 0, 0, 0, 0) - ); - } - - /** - * Add two field elements. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core_Curve25519_Fe - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedOperand - */ - public static function fe_add( - ParagonIE_Sodium_Core_Curve25519_Fe $f, - ParagonIE_Sodium_Core_Curve25519_Fe $g - ) { - /** @var array<int, int> $arr */ - $arr = array(); - for ($i = 0; $i < 10; ++$i) { - $arr[$i] = (int) ($f[$i] + $g[$i]); - } - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($arr); - } - - /** - * Constant-time conditional move. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core_Curve25519_Fe $g - * @param int $b - * @return ParagonIE_Sodium_Core_Curve25519_Fe - * @psalm-suppress MixedAssignment - */ - public static function fe_cmov( - ParagonIE_Sodium_Core_Curve25519_Fe $f, - ParagonIE_Sodium_Core_Curve25519_Fe $g, - $b = 0 - ) { - /** @var array<int, int> $h */ - $h = array(); - $b *= -1; - for ($i = 0; $i < 10; ++$i) { - /** @var int $x */ - $x = (($f[$i] ^ $g[$i]) & $b); - $h[$i] = (int) ((int) ($f[$i]) ^ $x); - } - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h); - } - - /** - * Create a copy of a field element. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_copy(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $h = clone $f; - return $h; - } - - /** - * Give: 32-byte string. - * Receive: A field element object to use for internal calculations. - * - * @internal You should not use this directly from another application - * - * @param string $s - * @return ParagonIE_Sodium_Core_Curve25519_Fe - * @throws RangeException - * @throws TypeError - */ - public static function fe_frombytes($s) - { - if (self::strlen($s) !== 32) { - throw new RangeException('Expected a 32-byte string.'); - } - /** @var int $h0 */ - $h0 = self::load_4($s); - /** @var int $h1 */ - $h1 = self::load_3(self::substr($s, 4, 3)) << 6; - /** @var int $h2 */ - $h2 = self::load_3(self::substr($s, 7, 3)) << 5; - /** @var int $h3 */ - $h3 = self::load_3(self::substr($s, 10, 3)) << 3; - /** @var int $h4 */ - $h4 = self::load_3(self::substr($s, 13, 3)) << 2; - /** @var int $h5 */ - $h5 = self::load_4(self::substr($s, 16, 4)); - /** @var int $h6 */ - $h6 = self::load_3(self::substr($s, 20, 3)) << 7; - /** @var int $h7 */ - $h7 = self::load_3(self::substr($s, 23, 3)) << 5; - /** @var int $h8 */ - $h8 = self::load_3(self::substr($s, 26, 3)) << 4; - /** @var int $h9 */ - $h9 = (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2; - - /** @var int $carry9 */ - $carry9 = ($h9 + (1 << 24)) >> 25; - $h0 += self::mul($carry9, 19, 5); - $h9 -= $carry9 << 25; - /** @var int $carry1 */ - $carry1 = ($h1 + (1 << 24)) >> 25; - $h2 += $carry1; - $h1 -= $carry1 << 25; - /** @var int $carry3 */ - $carry3 = ($h3 + (1 << 24)) >> 25; - $h4 += $carry3; - $h3 -= $carry3 << 25; - /** @var int $carry5 */ - $carry5 = ($h5 + (1 << 24)) >> 25; - $h6 += $carry5; - $h5 -= $carry5 << 25; - /** @var int $carry7 */ - $carry7 = ($h7 + (1 << 24)) >> 25; - $h8 += $carry7; - $h7 -= $carry7 << 25; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - /** @var int $carry2 */ - $carry2 = ($h2 + (1 << 25)) >> 26; - $h3 += $carry2; - $h2 -= $carry2 << 26; - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - /** @var int $carry6 */ - $carry6 = ($h6 + (1 << 25)) >> 26; - $h7 += $carry6; - $h6 -= $carry6 << 26; - /** @var int $carry8 */ - $carry8 = ($h8 + (1 << 25)) >> 26; - $h9 += $carry8; - $h8 -= $carry8 << 26; - - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array( - (int) $h0, - (int) $h1, - (int) $h2, - (int) $h3, - (int) $h4, - (int) $h5, - (int) $h6, - (int) $h7, - (int) $h8, - (int) $h9 - ) - ); - } - - /** - * Convert a field element to a byte string. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $h - * @return string - */ - public static function fe_tobytes(ParagonIE_Sodium_Core_Curve25519_Fe $h) - { - /** @var int $h0 */ - $h0 = (int) $h[0]; - /** @var int $h1 */ - $h1 = (int) $h[1]; - /** @var int $h2 */ - $h2 = (int) $h[2]; - /** @var int $h3 */ - $h3 = (int) $h[3]; - /** @var int $h4 */ - $h4 = (int) $h[4]; - /** @var int $h5 */ - $h5 = (int) $h[5]; - /** @var int $h6 */ - $h6 = (int) $h[6]; - /** @var int $h7 */ - $h7 = (int) $h[7]; - /** @var int $h8 */ - $h8 = (int) $h[8]; - /** @var int $h9 */ - $h9 = (int) $h[9]; - - /** @var int $q */ - $q = (self::mul($h9, 19, 5) + (1 << 24)) >> 25; - /** @var int $q */ - $q = ($h0 + $q) >> 26; - /** @var int $q */ - $q = ($h1 + $q) >> 25; - /** @var int $q */ - $q = ($h2 + $q) >> 26; - /** @var int $q */ - $q = ($h3 + $q) >> 25; - /** @var int $q */ - $q = ($h4 + $q) >> 26; - /** @var int $q */ - $q = ($h5 + $q) >> 25; - /** @var int $q */ - $q = ($h6 + $q) >> 26; - /** @var int $q */ - $q = ($h7 + $q) >> 25; - /** @var int $q */ - $q = ($h8 + $q) >> 26; - /** @var int $q */ - $q = ($h9 + $q) >> 25; - - $h0 += self::mul($q, 19, 5); - - /** @var int $carry0 */ - $carry0 = $h0 >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - /** @var int $carry1 */ - $carry1 = $h1 >> 25; - $h2 += $carry1; - $h1 -= $carry1 << 25; - /** @var int $carry2 */ - $carry2 = $h2 >> 26; - $h3 += $carry2; - $h2 -= $carry2 << 26; - /** @var int $carry3 */ - $carry3 = $h3 >> 25; - $h4 += $carry3; - $h3 -= $carry3 << 25; - /** @var int $carry4 */ - $carry4 = $h4 >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - /** @var int $carry5 */ - $carry5 = $h5 >> 25; - $h6 += $carry5; - $h5 -= $carry5 << 25; - /** @var int $carry6 */ - $carry6 = $h6 >> 26; - $h7 += $carry6; - $h6 -= $carry6 << 26; - /** @var int $carry7 */ - $carry7 = $h7 >> 25; - $h8 += $carry7; - $h7 -= $carry7 << 25; - /** @var int $carry8 */ - $carry8 = $h8 >> 26; - $h9 += $carry8; - $h8 -= $carry8 << 26; - /** @var int $carry9 */ - $carry9 = $h9 >> 25; - $h9 -= $carry9 << 25; - - /** - * @var array<int, int> - */ - $s = array( - (int) (($h0 >> 0) & 0xff), - (int) (($h0 >> 8) & 0xff), - (int) (($h0 >> 16) & 0xff), - (int) ((($h0 >> 24) | ($h1 << 2)) & 0xff), - (int) (($h1 >> 6) & 0xff), - (int) (($h1 >> 14) & 0xff), - (int) ((($h1 >> 22) | ($h2 << 3)) & 0xff), - (int) (($h2 >> 5) & 0xff), - (int) (($h2 >> 13) & 0xff), - (int) ((($h2 >> 21) | ($h3 << 5)) & 0xff), - (int) (($h3 >> 3) & 0xff), - (int) (($h3 >> 11) & 0xff), - (int) ((($h3 >> 19) | ($h4 << 6)) & 0xff), - (int) (($h4 >> 2) & 0xff), - (int) (($h4 >> 10) & 0xff), - (int) (($h4 >> 18) & 0xff), - (int) (($h5 >> 0) & 0xff), - (int) (($h5 >> 8) & 0xff), - (int) (($h5 >> 16) & 0xff), - (int) ((($h5 >> 24) | ($h6 << 1)) & 0xff), - (int) (($h6 >> 7) & 0xff), - (int) (($h6 >> 15) & 0xff), - (int) ((($h6 >> 23) | ($h7 << 3)) & 0xff), - (int) (($h7 >> 5) & 0xff), - (int) (($h7 >> 13) & 0xff), - (int) ((($h7 >> 21) | ($h8 << 4)) & 0xff), - (int) (($h8 >> 4) & 0xff), - (int) (($h8 >> 12) & 0xff), - (int) ((($h8 >> 20) | ($h9 << 6)) & 0xff), - (int) (($h9 >> 2) & 0xff), - (int) (($h9 >> 10) & 0xff), - (int) (($h9 >> 18) & 0xff) - ); - return self::intArrayToString($s); - } - - /** - * Is a field element negative? (1 = yes, 0 = no. Used in calculations.) - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return int - * @throws SodiumException - * @throws TypeError - */ - public static function fe_isnegative(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $str = self::fe_tobytes($f); - return (int) (self::chrToInt($str[0]) & 1); - } - - /** - * Returns 0 if this field element results in all NUL bytes. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function fe_isnonzero(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - static $zero; - if ($zero === null) { - $zero = str_repeat("\x00", 32); - } - /** @var string $zero */ - /** @var string $str */ - $str = self::fe_tobytes($f); - return !self::verify_32($str, (string) $zero); - } - - /** - * Multiply two field elements - * - * h = f * g - * - * @internal You should not use this directly from another application - * - * @security Is multiplication a source of timing leaks? If so, can we do - * anything to prevent that from happening? - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_mul( - ParagonIE_Sodium_Core_Curve25519_Fe $f, - ParagonIE_Sodium_Core_Curve25519_Fe $g - ) { - /** @var int $f0 */ - $f0 = $f[0]; - /** @var int $f1 */ - $f1 = $f[1]; - /** @var int $f2 */ - $f2 = $f[2]; - /** @var int $f3 */ - $f3 = $f[3]; - /** @var int $f4 */ - $f4 = $f[4]; - /** @var int $f5 */ - $f5 = $f[5]; - /** @var int $f6 */ - $f6 = $f[6]; - /** @var int $f7 */ - $f7 = $f[7]; - /** @var int $f8 */ - $f8 = $f[8]; - /** @var int $f9 */ - $f9 = $f[9]; - /** @var int $g0 */ - $g0 = $g[0]; - /** @var int $g1 */ - $g1 = $g[1]; - /** @var int $g2 */ - $g2 = $g[2]; - /** @var int $g3 */ - $g3 = $g[3]; - /** @var int $g4 */ - $g4 = $g[4]; - /** @var int $g5 */ - $g5 = $g[5]; - /** @var int $g6 */ - $g6 = $g[6]; - /** @var int $g7 */ - $g7 = $g[7]; - /** @var int $g8 */ - $g8 = $g[8]; - /** @var int $g9 */ - $g9 = $g[9]; - $g1_19 = self::mul($g1, 19, 5); - $g2_19 = self::mul($g2, 19, 5); - $g3_19 = self::mul($g3, 19, 5); - $g4_19 = self::mul($g4, 19, 5); - $g5_19 = self::mul($g5, 19, 5); - $g6_19 = self::mul($g6, 19, 5); - $g7_19 = self::mul($g7, 19, 5); - $g8_19 = self::mul($g8, 19, 5); - $g9_19 = self::mul($g9, 19, 5); - /** @var int $f1_2 */ - $f1_2 = $f1 << 1; - /** @var int $f3_2 */ - $f3_2 = $f3 << 1; - /** @var int $f5_2 */ - $f5_2 = $f5 << 1; - /** @var int $f7_2 */ - $f7_2 = $f7 << 1; - /** @var int $f9_2 */ - $f9_2 = $f9 << 1; - $f0g0 = self::mul($f0, $g0, 26); - $f0g1 = self::mul($f0, $g1, 25); - $f0g2 = self::mul($f0, $g2, 26); - $f0g3 = self::mul($f0, $g3, 25); - $f0g4 = self::mul($f0, $g4, 26); - $f0g5 = self::mul($f0, $g5, 25); - $f0g6 = self::mul($f0, $g6, 26); - $f0g7 = self::mul($f0, $g7, 25); - $f0g8 = self::mul($f0, $g8, 26); - $f0g9 = self::mul($f0, $g9, 26); - $f1g0 = self::mul($f1, $g0, 26); - $f1g1_2 = self::mul($f1_2, $g1, 25); - $f1g2 = self::mul($f1, $g2, 26); - $f1g3_2 = self::mul($f1_2, $g3, 25); - $f1g4 = self::mul($f1, $g4, 26); - $f1g5_2 = self::mul($f1_2, $g5, 25); - $f1g6 = self::mul($f1, $g6, 26); - $f1g7_2 = self::mul($f1_2, $g7, 25); - $f1g8 = self::mul($f1, $g8, 26); - $f1g9_38 = self::mul($g9_19, $f1_2, 26); - $f2g0 = self::mul($f2, $g0, 26); - $f2g1 = self::mul($f2, $g1, 25); - $f2g2 = self::mul($f2, $g2, 26); - $f2g3 = self::mul($f2, $g3, 25); - $f2g4 = self::mul($f2, $g4, 26); - $f2g5 = self::mul($f2, $g5, 25); - $f2g6 = self::mul($f2, $g6, 26); - $f2g7 = self::mul($f2, $g7, 25); - $f2g8_19 = self::mul($g8_19, $f2, 26); - $f2g9_19 = self::mul($g9_19, $f2, 26); - $f3g0 = self::mul($f3, $g0, 26); - $f3g1_2 = self::mul($f3_2, $g1, 25); - $f3g2 = self::mul($f3, $g2, 26); - $f3g3_2 = self::mul($f3_2, $g3, 25); - $f3g4 = self::mul($f3, $g4, 26); - $f3g5_2 = self::mul($f3_2, $g5, 25); - $f3g6 = self::mul($f3, $g6, 26); - $f3g7_38 = self::mul($g7_19, $f3_2, 26); - $f3g8_19 = self::mul($g8_19, $f3, 25); - $f3g9_38 = self::mul($g9_19, $f3_2, 26); - $f4g0 = self::mul($f4, $g0, 26); - $f4g1 = self::mul($f4, $g1, 25); - $f4g2 = self::mul($f4, $g2, 26); - $f4g3 = self::mul($f4, $g3, 25); - $f4g4 = self::mul($f4, $g4, 26); - $f4g5 = self::mul($f4, $g5, 25); - $f4g6_19 = self::mul($g6_19, $f4, 26); - $f4g7_19 = self::mul($g7_19, $f4, 26); - $f4g8_19 = self::mul($g8_19, $f4, 26); - $f4g9_19 = self::mul($g9_19, $f4, 26); - $f5g0 = self::mul($f5, $g0, 26); - $f5g1_2 = self::mul($f5_2, $g1, 25); - $f5g2 = self::mul($f5, $g2, 26); - $f5g3_2 = self::mul($f5_2, $g3, 25); - $f5g4 = self::mul($f5, $g4, 26); - $f5g5_38 = self::mul($g5_19, $f5_2, 26); - $f5g6_19 = self::mul($g6_19, $f5, 25); - $f5g7_38 = self::mul($g7_19, $f5_2, 26); - $f5g8_19 = self::mul($g8_19, $f5, 25); - $f5g9_38 = self::mul($g9_19, $f5_2, 26); - $f6g0 = self::mul($f6, $g0, 26); - $f6g1 = self::mul($f6, $g1, 25); - $f6g2 = self::mul($f6, $g2, 26); - $f6g3 = self::mul($f6, $g3, 25); - $f6g4_19 = self::mul($g4_19, $f6, 26); - $f6g5_19 = self::mul($g5_19, $f6, 26); - $f6g6_19 = self::mul($g6_19, $f6, 26); - $f6g7_19 = self::mul($g7_19, $f6, 26); - $f6g8_19 = self::mul($g8_19, $f6, 26); - $f6g9_19 = self::mul($g9_19, $f6, 26); - $f7g0 = self::mul($f7, $g0, 26); - $f7g1_2 = self::mul($f7_2, $g1, 25); - $f7g2 = self::mul($f7, $g2, 26); - $f7g3_38 = self::mul($g3_19, $f7_2, 26); - $f7g4_19 = self::mul($g4_19, $f7, 26); - $f7g5_38 = self::mul($g5_19, $f7_2, 26); - $f7g6_19 = self::mul($g6_19, $f7, 25); - $f7g7_38 = self::mul($g7_19, $f7_2, 26); - $f7g8_19 = self::mul($g8_19, $f7, 25); - $f7g9_38 = self::mul($g9_19,$f7_2, 26); - $f8g0 = self::mul($f8, $g0, 26); - $f8g1 = self::mul($f8, $g1, 25); - $f8g2_19 = self::mul($g2_19, $f8, 26); - $f8g3_19 = self::mul($g3_19, $f8, 26); - $f8g4_19 = self::mul($g4_19, $f8, 26); - $f8g5_19 = self::mul($g5_19, $f8, 26); - $f8g6_19 = self::mul($g6_19, $f8, 26); - $f8g7_19 = self::mul($g7_19, $f8, 26); - $f8g8_19 = self::mul($g8_19, $f8, 26); - $f8g9_19 = self::mul($g9_19, $f8, 26); - $f9g0 = self::mul($f9, $g0, 26); - $f9g1_38 = self::mul($g1_19, $f9_2, 26); - $f9g2_19 = self::mul($g2_19, $f9, 25); - $f9g3_38 = self::mul($g3_19, $f9_2, 26); - $f9g4_19 = self::mul($g4_19, $f9, 25); - $f9g5_38 = self::mul($g5_19, $f9_2, 26); - $f9g6_19 = self::mul($g6_19, $f9, 25); - $f9g7_38 = self::mul($g7_19, $f9_2, 26); - $f9g8_19 = self::mul($g8_19, $f9, 25); - $f9g9_38 = self::mul($g9_19, $f9_2, 26); - $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38; - $h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19; - $h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38; - $h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19; - $h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38; - $h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19; - $h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38; - $h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19; - $h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38; - $h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - - /** @var int $carry1 */ - $carry1 = ($h1 + (1 << 24)) >> 25; - $h2 += $carry1; - $h1 -= $carry1 << 25; - /** @var int $carry5 */ - $carry5 = ($h5 + (1 << 24)) >> 25; - $h6 += $carry5; - $h5 -= $carry5 << 25; - - /** @var int $carry2 */ - $carry2 = ($h2 + (1 << 25)) >> 26; - $h3 += $carry2; - $h2 -= $carry2 << 26; - /** @var int $carry6 */ - $carry6 = ($h6 + (1 << 25)) >> 26; - $h7 += $carry6; - $h6 -= $carry6 << 26; - - /** @var int $carry3 */ - $carry3 = ($h3 + (1 << 24)) >> 25; - $h4 += $carry3; - $h3 -= $carry3 << 25; - /** @var int $carry7 */ - $carry7 = ($h7 + (1 << 24)) >> 25; - $h8 += $carry7; - $h7 -= $carry7 << 25; - - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - /** @var int $carry8 */ - $carry8 = ($h8 + (1 << 25)) >> 26; - $h9 += $carry8; - $h8 -= $carry8 << 26; - - /** @var int $carry9 */ - $carry9 = ($h9 + (1 << 24)) >> 25; - $h0 += self::mul($carry9, 19, 5); - $h9 -= $carry9 << 25; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array( - (int) $h0, - (int) $h1, - (int) $h2, - (int) $h3, - (int) $h4, - (int) $h5, - (int) $h6, - (int) $h7, - (int) $h8, - (int) $h9 - ) - ); - } - - /** - * Get the negative values for each piece of the field element. - * - * h = -f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core_Curve25519_Fe - * @psalm-suppress MixedAssignment - */ - public static function fe_neg(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $h = new ParagonIE_Sodium_Core_Curve25519_Fe(); - for ($i = 0; $i < 10; ++$i) { - $h[$i] = -$f[$i]; - } - return $h; - } - - /** - * Square a field element - * - * h = f * f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_sq(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $f0 = (int) $f[0]; - $f1 = (int) $f[1]; - $f2 = (int) $f[2]; - $f3 = (int) $f[3]; - $f4 = (int) $f[4]; - $f5 = (int) $f[5]; - $f6 = (int) $f[6]; - $f7 = (int) $f[7]; - $f8 = (int) $f[8]; - $f9 = (int) $f[9]; - - /** @var int $f0_2 */ - $f0_2 = $f0 << 1; - /** @var int $f1_2 */ - $f1_2 = $f1 << 1; - /** @var int $f2_2 */ - $f2_2 = $f2 << 1; - /** @var int $f3_2 */ - $f3_2 = $f3 << 1; - /** @var int $f4_2 */ - $f4_2 = $f4 << 1; - /** @var int $f5_2 */ - $f5_2 = $f5 << 1; - /** @var int $f6_2 */ - $f6_2 = $f6 << 1; - /** @var int $f7_2 */ - $f7_2 = $f7 << 1; - $f5_38 = self::mul($f5, 38, 6); - $f6_19 = self::mul($f6, 19, 5); - $f7_38 = self::mul($f7, 38, 6); - $f8_19 = self::mul($f8, 19, 5); - $f9_38 = self::mul($f9, 38, 6); - $f0f0 = self::mul($f0, $f0, 25); - $f0f1_2 = self::mul($f0_2, $f1, 24); - $f0f2_2 = self::mul($f0_2, $f2, 25); - $f0f3_2 = self::mul($f0_2, $f3, 24); - $f0f4_2 = self::mul($f0_2, $f4, 25); - $f0f5_2 = self::mul($f0_2, $f5, 25); - $f0f6_2 = self::mul($f0_2, $f6, 25); - $f0f7_2 = self::mul($f0_2, $f7, 24); - $f0f8_2 = self::mul($f0_2, $f8, 25); - $f0f9_2 = self::mul($f0_2, $f9, 25); - $f1f1_2 = self::mul($f1_2, $f1, 24); - $f1f2_2 = self::mul($f1_2, $f2, 25); - $f1f3_4 = self::mul($f1_2, $f3_2, 25); - $f1f4_2 = self::mul($f1_2, $f4, 25); - $f1f5_4 = self::mul($f1_2, $f5_2, 26); - $f1f6_2 = self::mul($f1_2, $f6, 25); - $f1f7_4 = self::mul($f1_2, $f7_2, 25); - $f1f8_2 = self::mul($f1_2, $f8, 25); - $f1f9_76 = self::mul($f9_38, $f1_2, 25); - $f2f2 = self::mul($f2, $f2, 25); - $f2f3_2 = self::mul($f2_2, $f3, 24); - $f2f4_2 = self::mul($f2_2, $f4, 25); - $f2f5_2 = self::mul($f2_2, $f5, 25); - $f2f6_2 = self::mul($f2_2, $f6, 25); - $f2f7_2 = self::mul($f2_2, $f7, 24); - $f2f8_38 = self::mul($f8_19, $f2_2, 26); - $f2f9_38 = self::mul($f9_38, $f2, 25); - $f3f3_2 = self::mul($f3_2, $f3, 24); - $f3f4_2 = self::mul($f3_2, $f4, 25); - $f3f5_4 = self::mul($f3_2, $f5_2, 26); - $f3f6_2 = self::mul($f3_2, $f6, 25); - $f3f7_76 = self::mul($f7_38, $f3_2, 25); - $f3f8_38 = self::mul($f8_19, $f3_2, 25); - $f3f9_76 = self::mul($f9_38, $f3_2, 25); - $f4f4 = self::mul($f4, $f4, 25); - $f4f5_2 = self::mul($f4_2, $f5, 25); - $f4f6_38 = self::mul($f6_19, $f4_2, 26); - $f4f7_38 = self::mul($f7_38, $f4, 25); - $f4f8_38 = self::mul($f8_19, $f4_2, 26); - $f4f9_38 = self::mul($f9_38, $f4, 25); - $f5f5_38 = self::mul($f5_38, $f5, 25); - $f5f6_38 = self::mul($f6_19, $f5_2, 26); - $f5f7_76 = self::mul($f7_38, $f5_2, 26); - $f5f8_38 = self::mul($f8_19, $f5_2, 26); - $f5f9_76 = self::mul($f9_38, $f5_2, 26); - $f6f6_19 = self::mul($f6_19, $f6, 25); - $f6f7_38 = self::mul($f7_38, $f6, 25); - $f6f8_38 = self::mul($f8_19, $f6_2, 26); - $f6f9_38 = self::mul($f9_38, $f6, 25); - $f7f7_38 = self::mul($f7_38, $f7, 24); - $f7f8_38 = self::mul($f8_19, $f7_2, 25); - $f7f9_76 = self::mul($f9_38, $f7_2, 25); - $f8f8_19 = self::mul($f8_19, $f8, 25); - $f8f9_38 = self::mul($f9_38, $f8, 25); - $f9f9_38 = self::mul($f9_38, $f9, 25); - $h0 = $f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38; - $h1 = $f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38; - $h2 = $f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19; - $h3 = $f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38; - $h4 = $f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38; - $h5 = $f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38; - $h6 = $f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19; - $h7 = $f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38; - $h8 = $f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38; - $h9 = $f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - - /** @var int $carry1 */ - $carry1 = ($h1 + (1 << 24)) >> 25; - $h2 += $carry1; - $h1 -= $carry1 << 25; - /** @var int $carry5 */ - $carry5 = ($h5 + (1 << 24)) >> 25; - $h6 += $carry5; - $h5 -= $carry5 << 25; - - /** @var int $carry2 */ - $carry2 = ($h2 + (1 << 25)) >> 26; - $h3 += $carry2; - $h2 -= $carry2 << 26; - /** @var int $carry6 */ - $carry6 = ($h6 + (1 << 25)) >> 26; - $h7 += $carry6; - $h6 -= $carry6 << 26; - - /** @var int $carry3 */ - $carry3 = ($h3 + (1 << 24)) >> 25; - $h4 += $carry3; - $h3 -= $carry3 << 25; - /** @var int $carry7 */ - $carry7 = ($h7 + (1 << 24)) >> 25; - $h8 += $carry7; - $h7 -= $carry7 << 25; - - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - /** @var int $carry8 */ - $carry8 = ($h8 + (1 << 25)) >> 26; - $h9 += $carry8; - $h8 -= $carry8 << 26; - - /** @var int $carry9 */ - $carry9 = ($h9 + (1 << 24)) >> 25; - $h0 += self::mul($carry9, 19, 5); - $h9 -= $carry9 << 25; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array( - (int) $h0, - (int) $h1, - (int) $h2, - (int) $h3, - (int) $h4, - (int) $h5, - (int) $h6, - (int) $h7, - (int) $h8, - (int) $h9 - ) - ); - } - - - /** - * Square and double a field element - * - * h = 2 * f * f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_sq2(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $f0 = (int) $f[0]; - $f1 = (int) $f[1]; - $f2 = (int) $f[2]; - $f3 = (int) $f[3]; - $f4 = (int) $f[4]; - $f5 = (int) $f[5]; - $f6 = (int) $f[6]; - $f7 = (int) $f[7]; - $f8 = (int) $f[8]; - $f9 = (int) $f[9]; - - /** @var int $f0_2 */ - $f0_2 = $f0 << 1; - /** @var int $f1_2 */ - $f1_2 = $f1 << 1; - /** @var int $f2_2 */ - $f2_2 = $f2 << 1; - /** @var int $f3_2 */ - $f3_2 = $f3 << 1; - /** @var int $f4_2 */ - $f4_2 = $f4 << 1; - /** @var int $f5_2 */ - $f5_2 = $f5 << 1; - /** @var int $f6_2 */ - $f6_2 = $f6 << 1; - /** @var int $f7_2 */ - $f7_2 = $f7 << 1; - $f5_38 = self::mul($f5, 38, 6); /* 1.959375*2^30 */ - $f6_19 = self::mul($f6, 19, 5); /* 1.959375*2^30 */ - $f7_38 = self::mul($f7, 38, 6); /* 1.959375*2^30 */ - $f8_19 = self::mul($f8, 19, 5); /* 1.959375*2^30 */ - $f9_38 = self::mul($f9, 38, 6); /* 1.959375*2^30 */ - $f0f0 = self::mul($f0, $f0, 24); - $f0f1_2 = self::mul($f0_2, $f1, 24); - $f0f2_2 = self::mul($f0_2, $f2, 24); - $f0f3_2 = self::mul($f0_2, $f3, 24); - $f0f4_2 = self::mul($f0_2, $f4, 24); - $f0f5_2 = self::mul($f0_2, $f5, 24); - $f0f6_2 = self::mul($f0_2, $f6, 24); - $f0f7_2 = self::mul($f0_2, $f7, 24); - $f0f8_2 = self::mul($f0_2, $f8, 24); - $f0f9_2 = self::mul($f0_2, $f9, 24); - $f1f1_2 = self::mul($f1_2, $f1, 24); - $f1f2_2 = self::mul($f1_2, $f2, 24); - $f1f3_4 = self::mul($f1_2, $f3_2, 24); - $f1f4_2 = self::mul($f1_2, $f4, 24); - $f1f5_4 = self::mul($f1_2, $f5_2, 24); - $f1f6_2 = self::mul($f1_2, $f6, 24); - $f1f7_4 = self::mul($f1_2, $f7_2, 24); - $f1f8_2 = self::mul($f1_2, $f8, 24); - $f1f9_76 = self::mul($f9_38, $f1_2, 24); - $f2f2 = self::mul($f2, $f2, 24); - $f2f3_2 = self::mul($f2_2, $f3, 24); - $f2f4_2 = self::mul($f2_2, $f4, 24); - $f2f5_2 = self::mul($f2_2, $f5, 24); - $f2f6_2 = self::mul($f2_2, $f6, 24); - $f2f7_2 = self::mul($f2_2, $f7, 24); - $f2f8_38 = self::mul($f8_19, $f2_2, 25); - $f2f9_38 = self::mul($f9_38, $f2, 24); - $f3f3_2 = self::mul($f3_2, $f3, 24); - $f3f4_2 = self::mul($f3_2, $f4, 24); - $f3f5_4 = self::mul($f3_2, $f5_2, 24); - $f3f6_2 = self::mul($f3_2, $f6, 24); - $f3f7_76 = self::mul($f7_38, $f3_2, 24); - $f3f8_38 = self::mul($f8_19, $f3_2, 24); - $f3f9_76 = self::mul($f9_38, $f3_2, 24); - $f4f4 = self::mul($f4, $f4, 24); - $f4f5_2 = self::mul($f4_2, $f5, 24); - $f4f6_38 = self::mul($f6_19, $f4_2, 25); - $f4f7_38 = self::mul($f7_38, $f4, 24); - $f4f8_38 = self::mul($f8_19, $f4_2, 25); - $f4f9_38 = self::mul($f9_38, $f4, 24); - $f5f5_38 = self::mul($f5_38, $f5, 24); - $f5f6_38 = self::mul($f6_19, $f5_2, 24); - $f5f7_76 = self::mul($f7_38, $f5_2, 24); - $f5f8_38 = self::mul($f8_19, $f5_2, 24); - $f5f9_76 = self::mul($f9_38, $f5_2, 24); - $f6f6_19 = self::mul($f6_19, $f6, 24); - $f6f7_38 = self::mul($f7_38, $f6, 24); - $f6f8_38 = self::mul($f8_19, $f6_2, 25); - $f6f9_38 = self::mul($f9_38, $f6, 24); - $f7f7_38 = self::mul($f7_38, $f7, 24); - $f7f8_38 = self::mul($f8_19, $f7_2, 24); - $f7f9_76 = self::mul($f9_38, $f7_2, 24); - $f8f8_19 = self::mul($f8_19, $f8, 24); - $f8f9_38 = self::mul($f9_38, $f8, 24); - $f9f9_38 = self::mul($f9_38, $f9, 24); - - /** @var int $h0 */ - $h0 = (int) ($f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38) << 1; - /** @var int $h1 */ - $h1 = (int) ($f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38) << 1; - /** @var int $h2 */ - $h2 = (int) ($f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19) << 1; - /** @var int $h3 */ - $h3 = (int) ($f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38) << 1; - /** @var int $h4 */ - $h4 = (int) ($f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38) << 1; - /** @var int $h5 */ - $h5 = (int) ($f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38) << 1; - /** @var int $h6 */ - $h6 = (int) ($f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19) << 1; - /** @var int $h7 */ - $h7 = (int) ($f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38) << 1; - /** @var int $h8 */ - $h8 = (int) ($f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38) << 1; - /** @var int $h9 */ - $h9 = (int) ($f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2) << 1; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - - /** @var int $carry1 */ - $carry1 = ($h1 + (1 << 24)) >> 25; - $h2 += $carry1; - $h1 -= $carry1 << 25; - /** @var int $carry5 */ - $carry5 = ($h5 + (1 << 24)) >> 25; - $h6 += $carry5; - $h5 -= $carry5 << 25; - - /** @var int $carry2 */ - $carry2 = ($h2 + (1 << 25)) >> 26; - $h3 += $carry2; - $h2 -= $carry2 << 26; - /** @var int $carry6 */ - $carry6 = ($h6 + (1 << 25)) >> 26; - $h7 += $carry6; - $h6 -= $carry6 << 26; - - /** @var int $carry3 */ - $carry3 = ($h3 + (1 << 24)) >> 25; - $h4 += $carry3; - $h3 -= $carry3 << 25; - /** @var int $carry7 */ - $carry7 = ($h7 + (1 << 24)) >> 25; - $h8 += $carry7; - $h7 -= $carry7 << 25; - - /** @var int $carry4 */ - $carry4 = ($h4 + (1 << 25)) >> 26; - $h5 += $carry4; - $h4 -= $carry4 << 26; - /** @var int $carry8 */ - $carry8 = ($h8 + (1 << 25)) >> 26; - $h9 += $carry8; - $h8 -= $carry8 << 26; - - /** @var int $carry9 */ - $carry9 = ($h9 + (1 << 24)) >> 25; - $h0 += self::mul($carry9, 19, 5); - $h9 -= $carry9 << 25; - - /** @var int $carry0 */ - $carry0 = ($h0 + (1 << 25)) >> 26; - $h1 += $carry0; - $h0 -= $carry0 << 26; - - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array( - (int) $h0, - (int) $h1, - (int) $h2, - (int) $h3, - (int) $h4, - (int) $h5, - (int) $h6, - (int) $h7, - (int) $h8, - (int) $h9 - ) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $Z - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_invert(ParagonIE_Sodium_Core_Curve25519_Fe $Z) - { - $z = clone $Z; - $t0 = self::fe_sq($z); - $t1 = self::fe_sq($t0); - $t1 = self::fe_sq($t1); - $t1 = self::fe_mul($z, $t1); - $t0 = self::fe_mul($t0, $t1); - $t2 = self::fe_sq($t0); - $t1 = self::fe_mul($t1, $t2); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 5; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 10; ++$i) { - $t2 = self::fe_sq($t2); - } - $t2 = self::fe_mul($t2, $t1); - $t3 = self::fe_sq($t2); - for ($i = 1; $i < 20; ++$i) { - $t3 = self::fe_sq($t3); - } - $t2 = self::fe_mul($t3, $t2); - $t2 = self::fe_sq($t2); - for ($i = 1; $i < 10; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 50; ++$i) { - $t2 = self::fe_sq($t2); - } - $t2 = self::fe_mul($t2, $t1); - $t3 = self::fe_sq($t2); - for ($i = 1; $i < 100; ++$i) { - $t3 = self::fe_sq($t3); - } - $t2 = self::fe_mul($t3, $t2); - $t2 = self::fe_sq($t2); - for ($i = 1; $i < 50; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - for ($i = 1; $i < 5; ++$i) { - $t1 = self::fe_sq($t1); - } - return self::fe_mul($t1, $t0); - } - - /** - * @internal You should not use this directly from another application - * - * @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106 - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $z - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_pow22523(ParagonIE_Sodium_Core_Curve25519_Fe $z) - { - # fe_sq(t0, z); - # fe_sq(t1, t0); - # fe_sq(t1, t1); - # fe_mul(t1, z, t1); - # fe_mul(t0, t0, t1); - # fe_sq(t0, t0); - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_sq($z); - $t1 = self::fe_sq($t0); - $t1 = self::fe_sq($t1); - $t1 = self::fe_mul($z, $t1); - $t0 = self::fe_mul($t0, $t1); - $t0 = self::fe_sq($t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 5; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 5; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 10; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 10; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t1, t1, t0); - # fe_sq(t2, t1); - $t1 = self::fe_mul($t1, $t0); - $t2 = self::fe_sq($t1); - - # for (i = 1; i < 20; ++i) { - # fe_sq(t2, t2); - # } - for ($i = 1; $i < 20; ++$i) { - $t2 = self::fe_sq($t2); - } - - # fe_mul(t1, t2, t1); - # fe_sq(t1, t1); - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - - # for (i = 1; i < 10; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 10; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 50; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 50; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t1, t1, t0); - # fe_sq(t2, t1); - $t1 = self::fe_mul($t1, $t0); - $t2 = self::fe_sq($t1); - - # for (i = 1; i < 100; ++i) { - # fe_sq(t2, t2); - # } - for ($i = 1; $i < 100; ++$i) { - $t2 = self::fe_sq($t2); - } - - # fe_mul(t1, t2, t1); - # fe_sq(t1, t1); - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - - # for (i = 1; i < 50; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 50; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t0, t0); - # fe_sq(t0, t0); - # fe_mul(out, t0, z); - $t0 = self::fe_mul($t1, $t0); - $t0 = self::fe_sq($t0); - $t0 = self::fe_sq($t0); - return self::fe_mul($t0, $z); - } - - /** - * Subtract two field elements. - * - * h = f - g - * - * Preconditions: - * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * - * Postconditions: - * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core_Curve25519_Fe - * @psalm-suppress MixedOperand - */ - public static function fe_sub(ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g) - { - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray( - array( - (int) ($f[0] - $g[0]), - (int) ($f[1] - $g[1]), - (int) ($f[2] - $g[2]), - (int) ($f[3] - $g[3]), - (int) ($f[4] - $g[4]), - (int) ($f[5] - $g[5]), - (int) ($f[6] - $g[6]), - (int) ($f[7] - $g[7]), - (int) ($f[8] - $g[8]), - (int) ($f[9] - $g[9]) - ) - ); - } - - /** - * Add two group elements. - * - * r = p + q - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_add( - ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q - ) { - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->YplusX); - $r->Y = self::fe_mul($r->Y, $q->YminusX); - $r->T = self::fe_mul($q->T2d, $p->T); - $r->X = self::fe_mul($p->Z, $q->Z); - $t0 = self::fe_add($r->X, $r->X); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_add($t0, $r->T); - $r->T = self::fe_sub($t0, $r->T); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215 - * @param string $a - * @return array<int, mixed> - * @throws SodiumException - * @throws TypeError - */ - public static function slide($a) - { - if (self::strlen($a) < 256) { - if (self::strlen($a) < 16) { - $a = str_pad($a, 256, '0', STR_PAD_RIGHT); - } - } - /** @var array<int, int> $r */ - $r = array(); - - /** @var int $i */ - for ($i = 0; $i < 256; ++$i) { - $r[$i] = (int) ( - 1 & ( - self::chrToInt($a[(int) ($i >> 3)]) - >> - ($i & 7) - ) - ); - } - - for ($i = 0;$i < 256;++$i) { - if ($r[$i]) { - for ($b = 1;$b <= 6 && $i + $b < 256;++$b) { - if ($r[$i + $b]) { - if ($r[$i] + ($r[$i + $b] << $b) <= 15) { - $r[$i] += $r[$i + $b] << $b; - $r[$i + $b] = 0; - } elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) { - $r[$i] -= $r[$i + $b] << $b; - for ($k = $i + $b; $k < 256; ++$k) { - if (!$r[$k]) { - $r[$k] = 1; - break; - } - $r[$k] = 0; - } - } else { - break; - } - } - } - } - } - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $s - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_frombytes_negate_vartime($s) - { - static $d = null; - if (!$d) { - $d = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d); - } - - # fe_frombytes(h->Y,s); - # fe_1(h->Z); - $h = new ParagonIE_Sodium_Core_Curve25519_Ge_P3( - self::fe_0(), - self::fe_frombytes($s), - self::fe_1() - ); - - # fe_sq(u,h->Y); - # fe_mul(v,u,d); - # fe_sub(u,u,h->Z); /* u = y^2-1 */ - # fe_add(v,v,h->Z); /* v = dy^2+1 */ - $u = self::fe_sq($h->Y); - /** @var ParagonIE_Sodium_Core_Curve25519_Fe $d */ - $v = self::fe_mul($u, $d); - $u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */ - $v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */ - - # fe_sq(v3,v); - # fe_mul(v3,v3,v); /* v3 = v^3 */ - # fe_sq(h->X,v3); - # fe_mul(h->X,h->X,v); - # fe_mul(h->X,h->X,u); /* x = uv^7 */ - $v3 = self::fe_sq($v); - $v3 = self::fe_mul($v3, $v); /* v3 = v^3 */ - $h->X = self::fe_sq($v3); - $h->X = self::fe_mul($h->X, $v); - $h->X = self::fe_mul($h->X, $u); /* x = uv^7 */ - - # fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */ - # fe_mul(h->X,h->X,v3); - # fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */ - $h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */ - $h->X = self::fe_mul($h->X, $v3); - $h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */ - - # fe_sq(vxx,h->X); - # fe_mul(vxx,vxx,v); - # fe_sub(check,vxx,u); /* vx^2-u */ - $vxx = self::fe_sq($h->X); - $vxx = self::fe_mul($vxx, $v); - $check = self::fe_sub($vxx, $u); /* vx^2 - u */ - - # if (fe_isnonzero(check)) { - # fe_add(check,vxx,u); /* vx^2+u */ - # if (fe_isnonzero(check)) { - # return -1; - # } - # fe_mul(h->X,h->X,sqrtm1); - # } - if (self::fe_isnonzero($check)) { - $check = self::fe_add($vxx, $u); /* vx^2 + u */ - if (self::fe_isnonzero($check)) { - throw new RangeException('Internal check failed.'); - } - $h->X = self::fe_mul( - $h->X, - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1) - ); - } - - # if (fe_isnegative(h->X) == (s[31] >> 7)) { - # fe_neg(h->X,h->X); - # } - $i = self::chrToInt($s[31]); - if (self::fe_isnegative($h->X) === ($i >> 7)) { - $h->X = self::fe_neg($h->X); - } - - # fe_mul(h->T,h->X,h->Y); - $h->T = self::fe_mul($h->X, $h->Y); - return $h; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_madd( - ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, - ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q - ) { - $r = clone $R; - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->yplusx); - $r->Y = self::fe_mul($r->Y, $q->yminusx); - $r->T = self::fe_mul($q->xy2d, $p->T); - $t0 = self::fe_add(clone $p->Z, clone $p->Z); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_add($t0, $r->T); - $r->T = self::fe_sub($t0, $r->T); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_msub( - ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, - ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q - ) { - $r = clone $R; - - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->yminusx); - $r->Y = self::fe_mul($r->Y, $q->yplusx); - $r->T = self::fe_mul($q->xy2d, $p->T); - $t0 = self::fe_add($p->Z, $p->Z); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_sub($t0, $r->T); - $r->T = self::fe_add($t0, $r->T); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 - */ - public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) - { - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P2(); - $r->X = self::fe_mul($p->X, $p->T); - $r->Y = self::fe_mul($p->Y, $p->Z); - $r->Z = self::fe_mul($p->Z, $p->T); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 - */ - public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p) - { - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P3(); - $r->X = self::fe_mul($p->X, $p->T); - $r->Y = self::fe_mul($p->Y, $p->Z); - $r->Z = self::fe_mul($p->Z, $p->T); - $r->T = self::fe_mul($p->X, $p->Y); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 - */ - public static function ge_p2_0() - { - return new ParagonIE_Sodium_Core_Curve25519_Ge_P2( - self::fe_0(), - self::fe_1(), - self::fe_1() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_p2_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p) - { - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); - - $r->X = self::fe_sq($p->X); - $r->Z = self::fe_sq($p->Y); - $r->T = self::fe_sq2($p->Z); - $r->Y = self::fe_add($p->X, $p->Y); - $t0 = self::fe_sq($r->Y); - $r->Y = self::fe_add($r->Z, $r->X); - $r->Z = self::fe_sub($r->Z, $r->X); - $r->X = self::fe_sub($t0, $r->Y); - $r->T = self::fe_sub($r->T, $r->Z); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 - */ - public static function ge_p3_0() - { - return new ParagonIE_Sodium_Core_Curve25519_Ge_P3( - self::fe_0(), - self::fe_1(), - self::fe_1(), - self::fe_0() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached - */ - public static function ge_p3_to_cached(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) - { - static $d2 = null; - if ($d2 === null) { - $d2 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d2); - } - /** @var ParagonIE_Sodium_Core_Curve25519_Fe $d2 */ - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(); - $r->YplusX = self::fe_add($p->Y, $p->X); - $r->YminusX = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_copy($p->Z); - $r->T2d = self::fe_mul($p->T, $d2); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 - */ - public static function ge_p3_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) - { - return new ParagonIE_Sodium_Core_Curve25519_Ge_P2( - $p->X, - $p->Y, - $p->Z - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h) - { - $recip = self::fe_invert($h->Z); - $x = self::fe_mul($h->X, $recip); - $y = self::fe_mul($h->Y, $recip); - $s = self::fe_tobytes($y); - $s[31] = self::intToChr( - self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) - ); - return $s; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_p3_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p) - { - $q = self::ge_p3_to_p2($p); - return self::ge_p2_dbl($q); - } - - /** - * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp - */ - public static function ge_precomp_0() - { - return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( - self::fe_1(), - self::fe_1(), - self::fe_0() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $b - * @param int $c - * @return int - */ - public static function equal($b, $c) - { - return (int) ((($b ^ $c) - 1 & 0xffffffff) >> 31); - } - - /** - * @internal You should not use this directly from another application - * - * @param int|string $char - * @return int (1 = yes, 0 = no) - * @throws SodiumException - * @throws TypeError - */ - public static function negative($char) - { - if (is_int($char)) { - return $char < 0 ? 1 : 0; - } - $x = self::chrToInt(self::substr($char, 0, 1)); - return (int) ($x >> 63); - } - - /** - * Conditional move - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u - * @param int $b - * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp - */ - public static function cmov( - ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t, - ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u, - $b - ) { - if (!is_int($b)) { - throw new InvalidArgumentException('Expected an integer.'); - } - return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( - self::fe_cmov($t->yplusx, $u->yplusx, $b), - self::fe_cmov($t->yminusx, $u->yminusx, $b), - self::fe_cmov($t->xy2d, $u->xy2d, $b) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $pos - * @param int $b - * @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayOffset - */ - public static function ge_select($pos = 0, $b = 0) - { - static $base = null; - if ($base === null) { - $base = array(); - /** @var int $i */ - foreach (self::$base as $i => $bas) { - for ($j = 0; $j < 8; ++$j) { - $base[$i][$j] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][0]), - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][1]), - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][2]) - ); - } - } - } - /** @var array<int, array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp>> $base */ - if (!is_int($pos)) { - throw new InvalidArgumentException('Position must be an integer'); - } - if ($pos < 0 || $pos > 31) { - throw new RangeException('Position is out of range [0, 31]'); - } - - /** @var int $bnegative */ - $bnegative = self::negative($b); - /** @var int $babs */ - $babs = $b - (((-$bnegative) & $b) << 1); - - $t = self::ge_precomp_0(); - for ($i = 0; $i < 8; ++$i) { - $t = self::cmov( - $t, - $base[$pos][$i], - self::equal($babs, $i + 1) - ); - } - $minusT = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( - self::fe_copy($t->yminusx), - self::fe_copy($t->yplusx), - self::fe_neg($t->xy2d) - ); - return self::cmov($t, $minusT, $bnegative); - } - - /** - * Subtract two group elements. - * - * r = p - q - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ - public static function ge_sub( - ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q - ) { - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); - - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->YminusX); - $r->Y = self::fe_mul($r->Y, $q->YplusX); - $r->T = self::fe_mul($q->T2d, $p->T); - $r->X = self::fe_mul($p->Z, $q->Z); - $t0 = self::fe_add($r->X, $r->X); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_sub($t0, $r->T); - $r->T = self::fe_add($t0, $r->T); - - return $r; - } - - /** - * Convert a group element to a byte string. - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ge_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h) - { - $recip = self::fe_invert($h->Z); - $x = self::fe_mul($h->X, $recip); - $y = self::fe_mul($h->Y, $recip); - $s = self::fe_tobytes($y); - $s[31] = self::intToChr( - self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) - ); - return $s; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $a - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A - * @param string $b - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P2 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - */ - public static function ge_double_scalarmult_vartime( - $a, - ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A, - $b - ) { - /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Cached> $Ai */ - $Ai = array(); - - /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp> $Bi */ - static $Bi = array(); - if (!$Bi) { - for ($i = 0; $i < 8; ++$i) { - $Bi[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp( - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][0]), - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][1]), - ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][2]) - ); - } - } - for ($i = 0; $i < 8; ++$i) { - $Ai[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached( - self::fe_0(), - self::fe_0(), - self::fe_0(), - self::fe_0() - ); - } - - # slide(aslide,a); - # slide(bslide,b); - /** @var array<int, int> $aslide */ - $aslide = self::slide($a); - /** @var array<int, int> $bslide */ - $bslide = self::slide($b); - - # ge_p3_to_cached(&Ai[0],A); - # ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t); - $Ai[0] = self::ge_p3_to_cached($A); - $t = self::ge_p3_dbl($A); - $A2 = self::ge_p1p1_to_p3($t); - - # ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u); - # ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u); - # ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u); - # ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u); - # ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u); - # ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u); - # ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u); - for ($i = 0; $i < 7; ++$i) { - $t = self::ge_add($A2, $Ai[$i]); - $u = self::ge_p1p1_to_p3($t); - $Ai[$i + 1] = self::ge_p3_to_cached($u); - } - - # ge_p2_0(r); - $r = self::ge_p2_0(); - - # for (i = 255;i >= 0;--i) { - # if (aslide[i] || bslide[i]) break; - # } - $i = 255; - for (; $i >= 0; --$i) { - if ($aslide[$i] || $bslide[$i]) { - break; - } - } - - # for (;i >= 0;--i) { - for (; $i >= 0; --$i) { - # ge_p2_dbl(&t,r); - $t = self::ge_p2_dbl($r); - - # if (aslide[i] > 0) { - if ($aslide[$i] > 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_add(&t,&u,&Ai[aslide[i]/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_add( - $u, - $Ai[(int) floor($aslide[$i] / 2)] - ); - # } else if (aslide[i] < 0) { - } elseif ($aslide[$i] < 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_sub(&t,&u,&Ai[(-aslide[i])/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_sub( - $u, - $Ai[(int) floor(-$aslide[$i] / 2)] - ); - } - - # if (bslide[i] > 0) { - if ($bslide[$i] > 0) { - /** @var int $index */ - $index = (int) floor($bslide[$i] / 2); - # ge_p1p1_to_p3(&u,&t); - # ge_madd(&t,&u,&Bi[bslide[i]/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_madd($t, $u, $Bi[$index]); - # } else if (bslide[i] < 0) { - } elseif ($bslide[$i] < 0) { - /** @var int $index */ - $index = (int) floor(-$bslide[$i] / 2); - # ge_p1p1_to_p3(&u,&t); - # ge_msub(&t,&u,&Bi[(-bslide[i])/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_msub($t, $u, $Bi[$index]); - } - # ge_p1p1_to_p2(r,&t); - $r = self::ge_p1p1_to_p2($t); - } - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $a - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedOperand - */ - public static function ge_scalarmult_base($a) - { - /** @var array<int, int> $e */ - $e = array(); - $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1(); - - for ($i = 0; $i < 32; ++$i) { - /** @var int $dbl */ - $dbl = (int) $i << 1; - $e[$dbl] = (int) self::chrToInt($a[$i]) & 15; - $e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15; - } - - /** @var int $carry */ - $carry = 0; - for ($i = 0; $i < 63; ++$i) { - $e[$i] += $carry; - /** @var int $carry */ - $carry = $e[$i] + 8; - /** @var int $carry */ - $carry >>= 4; - $e[$i] -= $carry << 4; - } - /** @var array<int, int> $e */ - $e[63] += (int) $carry; - - $h = self::ge_p3_0(); - - for ($i = 1; $i < 64; $i += 2) { - $t = self::ge_select((int) floor($i / 2), (int) $e[$i]); - $r = self::ge_madd($r, $h, $t); - $h = self::ge_p1p1_to_p3($r); - } - - $r = self::ge_p3_dbl($h); - - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - - $h = self::ge_p1p1_to_p3($r); - - for ($i = 0; $i < 64; $i += 2) { - $t = self::ge_select($i >> 1, (int) $e[$i]); - $r = self::ge_madd($r, $h, $t); - $h = self::ge_p1p1_to_p3($r); - } - return $h; - } - - /** - * Calculates (ab + c) mod l - * where l = 2^252 + 27742317777372353535851937790883648493 - * - * @internal You should not use this directly from another application - * - * @param string $a - * @param string $b - * @param string $c - * @return string - * @throws TypeError - */ - public static function sc_muladd($a, $b, $c) - { - /** @var int $a0 */ - $a0 = 2097151 & self::load_3(self::substr($a, 0, 3)); - /** @var int $a1 */ - $a1 = 2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5); - /** @var int $a2 */ - $a2 = 2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2); - /** @var int $a3 */ - $a3 = 2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7); - /** @var int $a4 */ - $a4 = 2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4); - /** @var int $a5 */ - $a5 = 2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1); - /** @var int $a6 */ - $a6 = 2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6); - /** @var int $a7 */ - $a7 = 2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3); - /** @var int $a8 */ - $a8 = 2097151 & self::load_3(self::substr($a, 21, 3)); - /** @var int $a9 */ - $a9 = 2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5); - /** @var int $a10 */ - $a10 = 2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2); - /** @var int $a11 */ - $a11 = (self::load_4(self::substr($a, 28, 4)) >> 7); - - /** @var int $b0 */ - $b0 = 2097151 & self::load_3(self::substr($b, 0, 3)); - /** @var int $b1 */ - $b1 = 2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5); - /** @var int $b2 */ - $b2 = 2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2); - /** @var int $b3 */ - $b3 = 2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7); - /** @var int $b4 */ - $b4 = 2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4); - /** @var int $b5 */ - $b5 = 2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1); - /** @var int $b6 */ - $b6 = 2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6); - /** @var int $b7 */ - $b7 = 2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3); - /** @var int $b8 */ - $b8 = 2097151 & self::load_3(self::substr($b, 21, 3)); - /** @var int $b9 */ - $b9 = 2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5); - /** @var int $b10 */ - $b10 = 2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2); - /** @var int $b11 */ - $b11 = (self::load_4(self::substr($b, 28, 4)) >> 7); - - /** @var int $c0 */ - $c0 = 2097151 & self::load_3(self::substr($c, 0, 3)); - /** @var int $c1 */ - $c1 = 2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5); - /** @var int $c2 */ - $c2 = 2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2); - /** @var int $c3 */ - $c3 = 2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7); - /** @var int $c4 */ - $c4 = 2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4); - /** @var int $c5 */ - $c5 = 2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1); - /** @var int $c6 */ - $c6 = 2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6); - /** @var int $c7 */ - $c7 = 2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3); - /** @var int $c8 */ - $c8 = 2097151 & self::load_3(self::substr($c, 21, 3)); - /** @var int $c9 */ - $c9 = 2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5); - /** @var int $c10 */ - $c10 = 2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2); - /** @var int $c11 */ - $c11 = (self::load_4(self::substr($c, 28, 4)) >> 7); - - /* Can't really avoid the pyramid here: */ - $s0 = $c0 + self::mul($a0, $b0, 24); - $s1 = $c1 + self::mul($a0, $b1, 24) + self::mul($a1, $b0, 24); - $s2 = $c2 + self::mul($a0, $b2, 24) + self::mul($a1, $b1, 24) + self::mul($a2, $b0, 24); - $s3 = $c3 + self::mul($a0, $b3, 24) + self::mul($a1, $b2, 24) + self::mul($a2, $b1, 24) + self::mul($a3, $b0, 24); - $s4 = $c4 + self::mul($a0, $b4, 24) + self::mul($a1, $b3, 24) + self::mul($a2, $b2, 24) + self::mul($a3, $b1, 24) + - self::mul($a4, $b0, 24); - $s5 = $c5 + self::mul($a0, $b5, 24) + self::mul($a1, $b4, 24) + self::mul($a2, $b3, 24) + self::mul($a3, $b2, 24) + - self::mul($a4, $b1, 24) + self::mul($a5, $b0, 24); - $s6 = $c6 + self::mul($a0, $b6, 24) + self::mul($a1, $b5, 24) + self::mul($a2, $b4, 24) + self::mul($a3, $b3, 24) + - self::mul($a4, $b2, 24) + self::mul($a5, $b1, 24) + self::mul($a6, $b0, 24); - $s7 = $c7 + self::mul($a0, $b7, 24) + self::mul($a1, $b6, 24) + self::mul($a2, $b5, 24) + self::mul($a3, $b4, 24) + - self::mul($a4, $b3, 24) + self::mul($a5, $b2, 24) + self::mul($a6, $b1, 24) + self::mul($a7, $b0, 24); - $s8 = $c8 + self::mul($a0, $b8, 24) + self::mul($a1, $b7, 24) + self::mul($a2, $b6, 24) + self::mul($a3, $b5, 24) + - self::mul($a4, $b4, 24) + self::mul($a5, $b3, 24) + self::mul($a6, $b2, 24) + self::mul($a7, $b1, 24) + - self::mul($a8, $b0, 24); - $s9 = $c9 + self::mul($a0, $b9, 24) + self::mul($a1, $b8, 24) + self::mul($a2, $b7, 24) + self::mul($a3, $b6, 24) + - self::mul($a4, $b5, 24) + self::mul($a5, $b4, 24) + self::mul($a6, $b3, 24) + self::mul($a7, $b2, 24) + - self::mul($a8, $b1, 24) + self::mul($a9, $b0, 24); - $s10 = $c10 + self::mul($a0, $b10, 24) + self::mul($a1, $b9, 24) + self::mul($a2, $b8, 24) + self::mul($a3, $b7, 24) + - self::mul($a4, $b6, 24) + self::mul($a5, $b5, 24) + self::mul($a6, $b4, 24) + self::mul($a7, $b3, 24) + - self::mul($a8, $b2, 24) + self::mul($a9, $b1, 24) + self::mul($a10, $b0, 24); - $s11 = $c11 + self::mul($a0, $b11, 24) + self::mul($a1, $b10, 24) + self::mul($a2, $b9, 24) + self::mul($a3, $b8, 24) + - self::mul($a4, $b7, 24) + self::mul($a5, $b6, 24) + self::mul($a6, $b5, 24) + self::mul($a7, $b4, 24) + - self::mul($a8, $b3, 24) + self::mul($a9, $b2, 24) + self::mul($a10, $b1, 24) + self::mul($a11, $b0, 24); - $s12 = self::mul($a1, $b11, 24) + self::mul($a2, $b10, 24) + self::mul($a3, $b9, 24) + self::mul($a4, $b8, 24) + - self::mul($a5, $b7, 24) + self::mul($a6, $b6, 24) + self::mul($a7, $b5, 24) + self::mul($a8, $b4, 24) + - self::mul($a9, $b3, 24) + self::mul($a10, $b2, 24) + self::mul($a11, $b1, 24); - $s13 = self::mul($a2, $b11, 24) + self::mul($a3, $b10, 24) + self::mul($a4, $b9, 24) + self::mul($a5, $b8, 24) + - self::mul($a6, $b7, 24) + self::mul($a7, $b6, 24) + self::mul($a8, $b5, 24) + self::mul($a9, $b4, 24) + - self::mul($a10, $b3, 24) + self::mul($a11, $b2, 24); - $s14 = self::mul($a3, $b11, 24) + self::mul($a4, $b10, 24) + self::mul($a5, $b9, 24) + self::mul($a6, $b8, 24) + - self::mul($a7, $b7, 24) + self::mul($a8, $b6, 24) + self::mul($a9, $b5, 24) + self::mul($a10, $b4, 24) + - self::mul($a11, $b3, 24); - $s15 = self::mul($a4, $b11, 24) + self::mul($a5, $b10, 24) + self::mul($a6, $b9, 24) + self::mul($a7, $b8, 24) + - self::mul($a8, $b7, 24) + self::mul($a9, $b6, 24) + self::mul($a10, $b5, 24) + self::mul($a11, $b4, 24); - $s16 = self::mul($a5, $b11, 24) + self::mul($a6, $b10, 24) + self::mul($a7, $b9, 24) + self::mul($a8, $b8, 24) + - self::mul($a9, $b7, 24) + self::mul($a10, $b6, 24) + self::mul($a11, $b5, 24); - $s17 = self::mul($a6, $b11, 24) + self::mul($a7, $b10, 24) + self::mul($a8, $b9, 24) + self::mul($a9, $b8, 24) + - self::mul($a10, $b7, 24) + self::mul($a11, $b6, 24); - $s18 = self::mul($a7, $b11, 24) + self::mul($a8, $b10, 24) + self::mul($a9, $b9, 24) + self::mul($a10, $b8, 24) + - self::mul($a11, $b7, 24); - $s19 = self::mul($a8, $b11, 24) + self::mul($a9, $b10, 24) + self::mul($a10, $b9, 24) + self::mul($a11, $b8, 24); - $s20 = self::mul($a9, $b11, 24) + self::mul($a10, $b10, 24) + self::mul($a11, $b9, 24); - $s21 = self::mul($a10, $b11, 24) + self::mul($a11, $b10, 24); - $s22 = self::mul($a11, $b11, 24); - $s23 = 0; - - /** @var int $carry0 */ - $carry0 = ($s0 + (1 << 20)) >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry2 */ - $carry2 = ($s2 + (1 << 20)) >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry4 */ - $carry4 = ($s4 + (1 << 20)) >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry6 */ - $carry6 = ($s6 + (1 << 20)) >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry8 */ - $carry8 = ($s8 + (1 << 20)) >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry10 */ - $carry10 = ($s10 + (1 << 20)) >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - /** @var int $carry12 */ - $carry12 = ($s12 + (1 << 20)) >> 21; - $s13 += $carry12; - $s12 -= $carry12 << 21; - /** @var int $carry14 */ - $carry14 = ($s14 + (1 << 20)) >> 21; - $s15 += $carry14; - $s14 -= $carry14 << 21; - /** @var int $carry16 */ - $carry16 = ($s16 + (1 << 20)) >> 21; - $s17 += $carry16; - $s16 -= $carry16 << 21; - /** @var int $carry18 */ - $carry18 = ($s18 + (1 << 20)) >> 21; - $s19 += $carry18; - $s18 -= $carry18 << 21; - /** @var int $carry20 */ - $carry20 = ($s20 + (1 << 20)) >> 21; - $s21 += $carry20; - $s20 -= $carry20 << 21; - /** @var int $carry22 */ - $carry22 = ($s22 + (1 << 20)) >> 21; - $s23 += $carry22; - $s22 -= $carry22 << 21; - - /** @var int $carry1 */ - $carry1 = ($s1 + (1 << 20)) >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry3 */ - $carry3 = ($s3 + (1 << 20)) >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry5 */ - $carry5 = ($s5 + (1 << 20)) >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry7 */ - $carry7 = ($s7 + (1 << 20)) >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry9 */ - $carry9 = ($s9 + (1 << 20)) >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry11 */ - $carry11 = ($s11 + (1 << 20)) >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - /** @var int $carry13 */ - $carry13 = ($s13 + (1 << 20)) >> 21; - $s14 += $carry13; - $s13 -= $carry13 << 21; - /** @var int $carry15 */ - $carry15 = ($s15 + (1 << 20)) >> 21; - $s16 += $carry15; - $s15 -= $carry15 << 21; - /** @var int $carry17 */ - $carry17 = ($s17 + (1 << 20)) >> 21; - $s18 += $carry17; - $s17 -= $carry17 << 21; - /** @var int $carry19 */ - $carry19 = ($s19 + (1 << 20)) >> 21; - $s20 += $carry19; - $s19 -= $carry19 << 21; - /** @var int $carry21 */ - $carry21 = ($s21 + (1 << 20)) >> 21; - $s22 += $carry21; - $s21 -= $carry21 << 21; - - $s11 += self::mul($s23, 666643, 20); - $s12 += self::mul($s23, 470296, 19); - $s13 += self::mul($s23, 654183, 20); - $s14 -= self::mul($s23, 997805, 20); - $s15 += self::mul($s23, 136657, 18); - $s16 -= self::mul($s23, 683901, 20); - - $s10 += self::mul($s22, 666643, 20); - $s11 += self::mul($s22, 470296, 19); - $s12 += self::mul($s22, 654183, 20); - $s13 -= self::mul($s22, 997805, 20); - $s14 += self::mul($s22, 136657, 18); - $s15 -= self::mul($s22, 683901, 20); - - $s9 += self::mul($s21, 666643, 20); - $s10 += self::mul($s21, 470296, 19); - $s11 += self::mul($s21, 654183, 20); - $s12 -= self::mul($s21, 997805, 20); - $s13 += self::mul($s21, 136657, 18); - $s14 -= self::mul($s21, 683901, 20); - - $s8 += self::mul($s20, 666643, 20); - $s9 += self::mul($s20, 470296, 19); - $s10 += self::mul($s20, 654183, 20); - $s11 -= self::mul($s20, 997805, 20); - $s12 += self::mul($s20, 136657, 18); - $s13 -= self::mul($s20, 683901, 20); - - $s7 += self::mul($s19, 666643, 20); - $s8 += self::mul($s19, 470296, 19); - $s9 += self::mul($s19, 654183, 20); - $s10 -= self::mul($s19, 997805, 20); - $s11 += self::mul($s19, 136657, 18); - $s12 -= self::mul($s19, 683901, 20); - - $s6 += self::mul($s18, 666643, 20); - $s7 += self::mul($s18, 470296, 19); - $s8 += self::mul($s18, 654183, 20); - $s9 -= self::mul($s18, 997805, 20); - $s10 += self::mul($s18, 136657, 18); - $s11 -= self::mul($s18, 683901, 20); - - /** @var int $carry6 */ - $carry6 = ($s6 + (1 << 20)) >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry8 */ - $carry8 = ($s8 + (1 << 20)) >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry10 */ - $carry10 = ($s10 + (1 << 20)) >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - /** @var int $carry12 */ - $carry12 = ($s12 + (1 << 20)) >> 21; - $s13 += $carry12; - $s12 -= $carry12 << 21; - /** @var int $carry14 */ - $carry14 = ($s14 + (1 << 20)) >> 21; - $s15 += $carry14; - $s14 -= $carry14 << 21; - /** @var int $carry16 */ - $carry16 = ($s16 + (1 << 20)) >> 21; - $s17 += $carry16; - $s16 -= $carry16 << 21; - - /** @var int $carry7 */ - $carry7 = ($s7 + (1 << 20)) >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry9 */ - $carry9 = ($s9 + (1 << 20)) >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry11 */ - $carry11 = ($s11 + (1 << 20)) >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - /** @var int $carry13 */ - $carry13 = ($s13 + (1 << 20)) >> 21; - $s14 += $carry13; - $s13 -= $carry13 << 21; - /** @var int $carry15 */ - $carry15 = ($s15 + (1 << 20)) >> 21; - $s16 += $carry15; - $s15 -= $carry15 << 21; - - $s5 += self::mul($s17, 666643, 20); - $s6 += self::mul($s17, 470296, 19); - $s7 += self::mul($s17, 654183, 20); - $s8 -= self::mul($s17, 997805, 20); - $s9 += self::mul($s17, 136657, 18); - $s10 -= self::mul($s17, 683901, 20); - - $s4 += self::mul($s16, 666643, 20); - $s5 += self::mul($s16, 470296, 19); - $s6 += self::mul($s16, 654183, 20); - $s7 -= self::mul($s16, 997805, 20); - $s8 += self::mul($s16, 136657, 18); - $s9 -= self::mul($s16, 683901, 20); - - $s3 += self::mul($s15, 666643, 20); - $s4 += self::mul($s15, 470296, 19); - $s5 += self::mul($s15, 654183, 20); - $s6 -= self::mul($s15, 997805, 20); - $s7 += self::mul($s15, 136657, 18); - $s8 -= self::mul($s15, 683901, 20); - - $s2 += self::mul($s14, 666643, 20); - $s3 += self::mul($s14, 470296, 19); - $s4 += self::mul($s14, 654183, 20); - $s5 -= self::mul($s14, 997805, 20); - $s6 += self::mul($s14, 136657, 18); - $s7 -= self::mul($s14, 683901, 20); - - $s1 += self::mul($s13, 666643, 20); - $s2 += self::mul($s13, 470296, 19); - $s3 += self::mul($s13, 654183, 20); - $s4 -= self::mul($s13, 997805, 20); - $s5 += self::mul($s13, 136657, 18); - $s6 -= self::mul($s13, 683901, 20); - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - $s12 = 0; - - /** @var int $carry0 */ - $carry0 = ($s0 + (1 << 20)) >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry2 */ - $carry2 = ($s2 + (1 << 20)) >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry4 */ - $carry4 = ($s4 + (1 << 20)) >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry6 */ - $carry6 = ($s6 + (1 << 20)) >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry8 */ - $carry8 = ($s8 + (1 << 20)) >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry10 */ - $carry10 = ($s10 + (1 << 20)) >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - - /** @var int $carry1 */ - $carry1 = ($s1 + (1 << 20)) >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry3 */ - $carry3 = ($s3 + (1 << 20)) >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry5 */ - $carry5 = ($s5 + (1 << 20)) >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry7 */ - $carry7 = ($s7 + (1 << 20)) >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry9 */ - $carry9 = ($s9 + (1 << 20)) >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry11 */ - $carry11 = ($s11 + (1 << 20)) >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - $s12 = 0; - - /** @var int $carry0 */ - $carry0 = $s0 >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry1 */ - $carry1 = $s1 >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry2 */ - $carry2 = $s2 >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry3 */ - $carry3 = $s3 >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry4 */ - $carry4 = $s4 >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry5 */ - $carry5 = $s5 >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry6 */ - $carry6 = $s6 >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry7 */ - $carry7 = $s7 >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry8 */ - $carry8 = $s8 >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry9 */ - $carry9 = $s9 >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry10 */ - $carry10 = $s10 >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - /** @var int $carry11 */ - $carry11 = $s11 >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - - /** @var int $carry0 */ - $carry0 = $s0 >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry1 */ - $carry1 = $s1 >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry2 */ - $carry2 = $s2 >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry3 */ - $carry3 = $s3 >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry4 */ - $carry4 = $s4 >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry5 */ - $carry5 = $s5 >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry6 */ - $carry6 = $s6 >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry7 */ - $carry7 = $s7 >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry8 */ - $carry8 = $s8 >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry9 */ - $carry9 = $s9 >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry10 */ - $carry10 = $s10 >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - - /** - * @var array<int, int> - */ - $arr = array( - (int) (0xff & ($s0 >> 0)), - (int) (0xff & ($s0 >> 8)), - (int) (0xff & (($s0 >> 16) | $s1 << 5)), - (int) (0xff & ($s1 >> 3)), - (int) (0xff & ($s1 >> 11)), - (int) (0xff & (($s1 >> 19) | $s2 << 2)), - (int) (0xff & ($s2 >> 6)), - (int) (0xff & (($s2 >> 14) | $s3 << 7)), - (int) (0xff & ($s3 >> 1)), - (int) (0xff & ($s3 >> 9)), - (int) (0xff & (($s3 >> 17) | $s4 << 4)), - (int) (0xff & ($s4 >> 4)), - (int) (0xff & ($s4 >> 12)), - (int) (0xff & (($s4 >> 20) | $s5 << 1)), - (int) (0xff & ($s5 >> 7)), - (int) (0xff & (($s5 >> 15) | $s6 << 6)), - (int) (0xff & ($s6 >> 2)), - (int) (0xff & ($s6 >> 10)), - (int) (0xff & (($s6 >> 18) | $s7 << 3)), - (int) (0xff & ($s7 >> 5)), - (int) (0xff & ($s7 >> 13)), - (int) (0xff & ($s8 >> 0)), - (int) (0xff & ($s8 >> 8)), - (int) (0xff & (($s8 >> 16) | $s9 << 5)), - (int) (0xff & ($s9 >> 3)), - (int) (0xff & ($s9 >> 11)), - (int) (0xff & (($s9 >> 19) | $s10 << 2)), - (int) (0xff & ($s10 >> 6)), - (int) (0xff & (($s10 >> 14) | $s11 << 7)), - (int) (0xff & ($s11 >> 1)), - (int) (0xff & ($s11 >> 9)), - 0xff & ($s11 >> 17) - ); - return self::intArrayToString($arr); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $s - * @return string - * @throws TypeError - */ - public static function sc_reduce($s) - { - /** @var int $s0 */ - $s0 = 2097151 & self::load_3(self::substr($s, 0, 3)); - /** @var int $s1 */ - $s1 = 2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5); - /** @var int $s2 */ - $s2 = 2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2); - /** @var int $s3 */ - $s3 = 2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7); - /** @var int $s4 */ - $s4 = 2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4); - /** @var int $s5 */ - $s5 = 2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1); - /** @var int $s6 */ - $s6 = 2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6); - /** @var int $s7 */ - $s7 = 2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3); - /** @var int $s8 */ - $s8 = 2097151 & self::load_3(self::substr($s, 21, 3)); - /** @var int $s9 */ - $s9 = 2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5); - /** @var int $s10 */ - $s10 = 2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2); - /** @var int $s11 */ - $s11 = 2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7); - /** @var int $s12 */ - $s12 = 2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4); - /** @var int $s13 */ - $s13 = 2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1); - /** @var int $s14 */ - $s14 = 2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6); - /** @var int $s15 */ - $s15 = 2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3); - /** @var int $s16 */ - $s16 = 2097151 & self::load_3(self::substr($s, 42, 3)); - /** @var int $s17 */ - $s17 = 2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5); - /** @var int $s18 */ - $s18 = 2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2); - /** @var int $s19 */ - $s19 = 2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7); - /** @var int $s20 */ - $s20 = 2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4); - /** @var int $s21 */ - $s21 = 2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1); - /** @var int $s22 */ - $s22 = 2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6); - /** @var int $s23 */ - $s23 = (self::load_4(self::substr($s, 60, 4)) >> 3); - - $s11 += self::mul($s23, 666643, 20); - $s12 += self::mul($s23, 470296, 19); - $s13 += self::mul($s23, 654183, 20); - $s14 -= self::mul($s23, 997805, 20); - $s15 += self::mul($s23, 136657, 18); - $s16 -= self::mul($s23, 683901, 20); - - $s10 += self::mul($s22, 666643, 20); - $s11 += self::mul($s22, 470296, 19); - $s12 += self::mul($s22, 654183, 20); - $s13 -= self::mul($s22, 997805, 20); - $s14 += self::mul($s22, 136657, 18); - $s15 -= self::mul($s22, 683901, 20); - - $s9 += self::mul($s21, 666643, 20); - $s10 += self::mul($s21, 470296, 19); - $s11 += self::mul($s21, 654183, 20); - $s12 -= self::mul($s21, 997805, 20); - $s13 += self::mul($s21, 136657, 18); - $s14 -= self::mul($s21, 683901, 20); - - $s8 += self::mul($s20, 666643, 20); - $s9 += self::mul($s20, 470296, 19); - $s10 += self::mul($s20, 654183, 20); - $s11 -= self::mul($s20, 997805, 20); - $s12 += self::mul($s20, 136657, 18); - $s13 -= self::mul($s20, 683901, 20); - - $s7 += self::mul($s19, 666643, 20); - $s8 += self::mul($s19, 470296, 19); - $s9 += self::mul($s19, 654183, 20); - $s10 -= self::mul($s19, 997805, 20); - $s11 += self::mul($s19, 136657, 18); - $s12 -= self::mul($s19, 683901, 20); - - $s6 += self::mul($s18, 666643, 20); - $s7 += self::mul($s18, 470296, 19); - $s8 += self::mul($s18, 654183, 20); - $s9 -= self::mul($s18, 997805, 20); - $s10 += self::mul($s18, 136657, 18); - $s11 -= self::mul($s18, 683901, 20); - - /** @var int $carry6 */ - $carry6 = ($s6 + (1 << 20)) >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry8 */ - $carry8 = ($s8 + (1 << 20)) >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry10 */ - $carry10 = ($s10 + (1 << 20)) >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - /** @var int $carry12 */ - $carry12 = ($s12 + (1 << 20)) >> 21; - $s13 += $carry12; - $s12 -= $carry12 << 21; - /** @var int $carry14 */ - $carry14 = ($s14 + (1 << 20)) >> 21; - $s15 += $carry14; - $s14 -= $carry14 << 21; - /** @var int $carry16 */ - $carry16 = ($s16 + (1 << 20)) >> 21; - $s17 += $carry16; - $s16 -= $carry16 << 21; - - /** @var int $carry7 */ - $carry7 = ($s7 + (1 << 20)) >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry9 */ - $carry9 = ($s9 + (1 << 20)) >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry11 */ - $carry11 = ($s11 + (1 << 20)) >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - /** @var int $carry13 */ - $carry13 = ($s13 + (1 << 20)) >> 21; - $s14 += $carry13; - $s13 -= $carry13 << 21; - /** @var int $carry15 */ - $carry15 = ($s15 + (1 << 20)) >> 21; - $s16 += $carry15; - $s15 -= $carry15 << 21; - - $s5 += self::mul($s17, 666643, 20); - $s6 += self::mul($s17, 470296, 19); - $s7 += self::mul($s17, 654183, 20); - $s8 -= self::mul($s17, 997805, 20); - $s9 += self::mul($s17, 136657, 18); - $s10 -= self::mul($s17, 683901, 20); - - $s4 += self::mul($s16, 666643, 20); - $s5 += self::mul($s16, 470296, 19); - $s6 += self::mul($s16, 654183, 20); - $s7 -= self::mul($s16, 997805, 20); - $s8 += self::mul($s16, 136657, 18); - $s9 -= self::mul($s16, 683901, 20); - - $s3 += self::mul($s15, 666643, 20); - $s4 += self::mul($s15, 470296, 19); - $s5 += self::mul($s15, 654183, 20); - $s6 -= self::mul($s15, 997805, 20); - $s7 += self::mul($s15, 136657, 18); - $s8 -= self::mul($s15, 683901, 20); - - $s2 += self::mul($s14, 666643, 20); - $s3 += self::mul($s14, 470296, 19); - $s4 += self::mul($s14, 654183, 20); - $s5 -= self::mul($s14, 997805, 20); - $s6 += self::mul($s14, 136657, 18); - $s7 -= self::mul($s14, 683901, 20); - - $s1 += self::mul($s13, 666643, 20); - $s2 += self::mul($s13, 470296, 19); - $s3 += self::mul($s13, 654183, 20); - $s4 -= self::mul($s13, 997805, 20); - $s5 += self::mul($s13, 136657, 18); - $s6 -= self::mul($s13, 683901, 20); - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - $s12 = 0; - - /** @var int $carry0 */ - $carry0 = ($s0 + (1 << 20)) >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry2 */ - $carry2 = ($s2 + (1 << 20)) >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry4 */ - $carry4 = ($s4 + (1 << 20)) >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry6 */ - $carry6 = ($s6 + (1 << 20)) >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry8 */ - $carry8 = ($s8 + (1 << 20)) >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry10 */ - $carry10 = ($s10 + (1 << 20)) >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - - /** @var int $carry1 */ - $carry1 = ($s1 + (1 << 20)) >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry3 */ - $carry3 = ($s3 + (1 << 20)) >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry5 */ - $carry5 = ($s5 + (1 << 20)) >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry7 */ - $carry7 = ($s7 + (1 << 20)) >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry9 */ - $carry9 = ($s9 + (1 << 20)) >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry11 */ - $carry11 = ($s11 + (1 << 20)) >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - $s12 = 0; - - /** @var int $carry0 */ - $carry0 = $s0 >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry1 */ - $carry1 = $s1 >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry2 */ - $carry2 = $s2 >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry3 */ - $carry3 = $s3 >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry4 */ - $carry4 = $s4 >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry5 */ - $carry5 = $s5 >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry6 */ - $carry6 = $s6 >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry7 */ - $carry7 = $s7 >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry8 */ - $carry8 = $s8 >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry9 */ - $carry9 = $s9 >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry10 */ - $carry10 = $s10 >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - /** @var int $carry11 */ - $carry11 = $s11 >> 21; - $s12 += $carry11; - $s11 -= $carry11 << 21; - - $s0 += self::mul($s12, 666643, 20); - $s1 += self::mul($s12, 470296, 19); - $s2 += self::mul($s12, 654183, 20); - $s3 -= self::mul($s12, 997805, 20); - $s4 += self::mul($s12, 136657, 18); - $s5 -= self::mul($s12, 683901, 20); - - /** @var int $carry0 */ - $carry0 = $s0 >> 21; - $s1 += $carry0; - $s0 -= $carry0 << 21; - /** @var int $carry1 */ - $carry1 = $s1 >> 21; - $s2 += $carry1; - $s1 -= $carry1 << 21; - /** @var int $carry2 */ - $carry2 = $s2 >> 21; - $s3 += $carry2; - $s2 -= $carry2 << 21; - /** @var int $carry3 */ - $carry3 = $s3 >> 21; - $s4 += $carry3; - $s3 -= $carry3 << 21; - /** @var int $carry4 */ - $carry4 = $s4 >> 21; - $s5 += $carry4; - $s4 -= $carry4 << 21; - /** @var int $carry5 */ - $carry5 = $s5 >> 21; - $s6 += $carry5; - $s5 -= $carry5 << 21; - /** @var int $carry6 */ - $carry6 = $s6 >> 21; - $s7 += $carry6; - $s6 -= $carry6 << 21; - /** @var int $carry7 */ - $carry7 = $s7 >> 21; - $s8 += $carry7; - $s7 -= $carry7 << 21; - /** @var int $carry8 */ - $carry8 = $s8 >> 21; - $s9 += $carry8; - $s8 -= $carry8 << 21; - /** @var int $carry9 */ - $carry9 = $s9 >> 21; - $s10 += $carry9; - $s9 -= $carry9 << 21; - /** @var int $carry10 */ - $carry10 = $s10 >> 21; - $s11 += $carry10; - $s10 -= $carry10 << 21; - - /** - * @var array<int, int> - */ - $arr = array( - (int) ($s0 >> 0), - (int) ($s0 >> 8), - (int) (($s0 >> 16) | $s1 << 5), - (int) ($s1 >> 3), - (int) ($s1 >> 11), - (int) (($s1 >> 19) | $s2 << 2), - (int) ($s2 >> 6), - (int) (($s2 >> 14) | $s3 << 7), - (int) ($s3 >> 1), - (int) ($s3 >> 9), - (int) (($s3 >> 17) | $s4 << 4), - (int) ($s4 >> 4), - (int) ($s4 >> 12), - (int) (($s4 >> 20) | $s5 << 1), - (int) ($s5 >> 7), - (int) (($s5 >> 15) | $s6 << 6), - (int) ($s6 >> 2), - (int) ($s6 >> 10), - (int) (($s6 >> 18) | $s7 << 3), - (int) ($s7 >> 5), - (int) ($s7 >> 13), - (int) ($s8 >> 0), - (int) ($s8 >> 8), - (int) (($s8 >> 16) | $s9 << 5), - (int) ($s9 >> 3), - (int) ($s9 >> 11), - (int) (($s9 >> 19) | $s10 << 2), - (int) ($s10 >> 6), - (int) (($s10 >> 14) | $s11 << 7), - (int) ($s11 >> 1), - (int) ($s11 >> 9), - (int) $s11 >> 17 - ); - return self::intArrayToString($arr); - } - - /** - * multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493 - * - * @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A - * @return ParagonIE_Sodium_Core_Curve25519_Ge_P3 - */ - public static function ge_mul_l(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A) - { - /** @var array<int, int> $aslide */ - $aslide = array( - 13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0, - 0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, - 0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, - 0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1, - 0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, - 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 - ); - - /** @var array<int, ParagonIE_Sodium_Core_Curve25519_Ge_Cached> $Ai size 8 */ - $Ai = array(); - - # ge_p3_to_cached(&Ai[0], A); - $Ai[0] = self::ge_p3_to_cached($A); - # ge_p3_dbl(&t, A); - $t = self::ge_p3_dbl($A); - # ge_p1p1_to_p3(&A2, &t); - $A2 = self::ge_p1p1_to_p3($t); - - for ($i = 1; $i < 8; ++$i) { - # ge_add(&t, &A2, &Ai[0]); - $t = self::ge_add($A2, $Ai[$i - 1]); - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_p3_to_cached(&Ai[i], &u); - $Ai[$i] = self::ge_p3_to_cached($u); - } - - $r = self::ge_p3_0(); - for ($i = 252; $i >= 0; --$i) { - $t = self::ge_p3_dbl($r); - if ($aslide[$i] > 0) { - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_add(&t, &u, &Ai[aslide[i] / 2]); - $t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]); - } elseif ($aslide[$i] < 0) { - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - $t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]); - } - } - - # ge_p1p1_to_p3(r, &t); - return self::ge_p1p1_to_p3($t); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Fe.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Fe.php deleted file mode 100644 index 64c489a..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Fe.php +++ /dev/null @@ -1,123 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519_Fe - * - * This represents a Field Element - */ -class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess -{ - /** - * @var array<int, int> - */ - protected $container = array(); - - /** - * @var int - */ - protected $size = 10; - - /** - * @internal You should not use this directly from another application - * - * @param array<int, int> $array - * @param bool $save_indexes - * @return self - */ - public static function fromArray($array, $save_indexes = null) - { - $count = count($array); - if ($save_indexes) { - $keys = array_keys($array); - } else { - $keys = range(0, $count - 1); - } - $array = array_values($array); - /** @var array<int, int> $keys */ - - $obj = new ParagonIE_Sodium_Core_Curve25519_Fe(); - if ($save_indexes) { - for ($i = 0; $i < $count; ++$i) { - $obj->offsetSet($keys[$i], $array[$i]); - } - } else { - for ($i = 0; $i < $count; ++$i) { - $obj->offsetSet($i, $array[$i]); - } - } - return $obj; - } - - /** - * @internal You should not use this directly from another application - * - * @param int|null $offset - * @param int $value - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetSet($offset, $value) - { - if (!is_int($value)) { - throw new InvalidArgumentException('Expected an integer'); - } - if (is_null($offset)) { - $this->container[] = $value; - } else { - $this->container[$offset] = $value; - } - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return bool - * @psalm-suppress MixedArrayOffset - */ - public function offsetExists($offset) - { - return isset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetUnset($offset) - { - unset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return int - * @psalm-suppress MixedArrayOffset - */ - public function offsetGet($offset) - { - if (!isset($this->container[$offset])) { - $this->container[$offset] = 0; - } - return (int) ($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @return array - */ - public function __debugInfo() - { - return array(implode(', ', $this->container)); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Cached.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Cached.php deleted file mode 100644 index 39bf897..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Cached.php +++ /dev/null @@ -1,65 +0,0 @@ -<?php - - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Cached', false)) { - return; -} -/** - * Class ParagonIE_Sodium_Core_Curve25519_Ge_Cached - */ -class ParagonIE_Sodium_Core_Curve25519_Ge_Cached -{ - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $YplusX; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $YminusX; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $T2d; - - /** - * ParagonIE_Sodium_Core_Curve25519_Ge_Cached constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YplusX - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YminusX - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $Z - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $T2d - */ - public function __construct( - ParagonIE_Sodium_Core_Curve25519_Fe $YplusX = null, - ParagonIE_Sodium_Core_Curve25519_Fe $YminusX = null, - ParagonIE_Sodium_Core_Curve25519_Fe $Z = null, - ParagonIE_Sodium_Core_Curve25519_Fe $T2d = null - ) { - if ($YplusX === null) { - $YplusX = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->YplusX = $YplusX; - if ($YminusX === null) { - $YminusX = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->YminusX = $YminusX; - if ($Z === null) { - $Z = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Z = $Z; - if ($T2d === null) { - $T2d = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->T2d = $T2d; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P1p1.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P1p1.php deleted file mode 100644 index a63d6ab..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P1p1.php +++ /dev/null @@ -1,64 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P1p1', false)) { - return; -} -/** - * Class ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 - */ -class ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 -{ - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $T; - - /** - * ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $t - */ - public function __construct( - ParagonIE_Sodium_Core_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core_Curve25519_Fe $z = null, - ParagonIE_Sodium_Core_Curve25519_Fe $t = null - ) { - if ($x === null) { - $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->X = $x; - if ($y === null) { - $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Y = $y; - if ($z === null) { - $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Z = $z; - if ($t === null) { - $t = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->T = $t; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P2.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P2.php deleted file mode 100644 index aee4000..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P2.php +++ /dev/null @@ -1,54 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P2', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519_Ge_P2 - */ -class ParagonIE_Sodium_Core_Curve25519_Ge_P2 -{ - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Z; - - /** - * ParagonIE_Sodium_Core_Curve25519_Ge_P2 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z - */ - public function __construct( - ParagonIE_Sodium_Core_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core_Curve25519_Fe $z = null - ) { - if ($x === null) { - $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->X = $x; - if ($y === null) { - $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Y = $y; - if ($z === null) { - $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Z = $z; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P3.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P3.php deleted file mode 100644 index 00f5b27..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/P3.php +++ /dev/null @@ -1,65 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_P3', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519_Ge_P3 - */ -class ParagonIE_Sodium_Core_Curve25519_Ge_P3 -{ - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $T; - - /** - * ParagonIE_Sodium_Core_Curve25519_Ge_P3 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $z - * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $t - */ - public function __construct( - ParagonIE_Sodium_Core_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core_Curve25519_Fe $z = null, - ParagonIE_Sodium_Core_Curve25519_Fe $t = null - ) { - if ($x === null) { - $x = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->X = $x; - if ($y === null) { - $y = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Y = $y; - if ($z === null) { - $z = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->Z = $z; - if ($t === null) { - $t = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->T = $t; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Precomp.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Precomp.php deleted file mode 100644 index 59611c1..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/Ge/Precomp.php +++ /dev/null @@ -1,54 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Precomp', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp - */ -class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp -{ - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $yplusx; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $yminusx; - - /** - * @var ParagonIE_Sodium_Core_Curve25519_Fe - */ - public $xy2d; - - /** - * ParagonIE_Sodium_Core_Curve25519_Ge_Precomp constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $yplusx - * @param ParagonIE_Sodium_Core_Curve25519_Fe $yminusx - * @param ParagonIE_Sodium_Core_Curve25519_Fe $xy2d - */ - public function __construct( - ParagonIE_Sodium_Core_Curve25519_Fe $yplusx = null, - ParagonIE_Sodium_Core_Curve25519_Fe $yminusx = null, - ParagonIE_Sodium_Core_Curve25519_Fe $xy2d = null - ) { - if ($yplusx === null) { - $yplusx = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->yplusx = $yplusx; - if ($yminusx === null) { - $yminusx = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->yminusx = $yminusx; - if ($xy2d === null) { - $xy2d = new ParagonIE_Sodium_Core_Curve25519_Fe(); - } - $this->xy2d = $xy2d; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/H.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/H.php deleted file mode 100644 index 37ad497..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/H.php +++ /dev/null @@ -1,1467 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Curve25519_H', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Curve25519_H - * - * This just contains the constants in the ref10/base.h file - */ -class ParagonIE_Sodium_Core_Curve25519_H extends ParagonIE_Sodium_Core_Util -{ - /** - * See: libsodium's crypto_core/curve25519/ref10/base.h - * - * @var array<int, array<int, array<int, array<int, int>>>> Basically, int[32][8][3][10] - */ - protected static $base = array( - array( - array( - array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), - array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), - array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), - ), - array( - array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303), - array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081), - array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697), - ), - array( - array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), - array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), - array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), - ), - array( - array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540), - array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397), - array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325), - ), - array( - array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), - array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), - array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), - ), - array( - array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777), - array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737), - array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652), - ), - array( - array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), - array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), - array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), - ), - array( - array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726), - array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955), - array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425), - ), - ), - array( - array( - array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171), - array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510), - array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660), - ), - array( - array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639), - array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963), - array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950), - ), - array( - array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568), - array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335), - array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628), - ), - array( - array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007), - array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772), - array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653), - ), - array( - array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567), - array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686), - array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372), - ), - array( - array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887), - array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954), - array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953), - ), - array( - array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833), - array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532), - array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876), - ), - array( - array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268), - array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214), - array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038), - ), - ), - array( - array( - array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800), - array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645), - array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664), - ), - array( - array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933), - array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182), - array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222), - ), - array( - array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991), - array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880), - array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092), - ), - array( - array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295), - array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788), - array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553), - ), - array( - array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026), - array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347), - array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033), - ), - array( - array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395), - array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278), - array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890), - ), - array( - array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995), - array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596), - array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891), - ), - array( - array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060), - array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608), - array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606), - ), - ), - array( - array( - array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389), - array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016), - array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341), - ), - array( - array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505), - array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553), - array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655), - ), - array( - array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220), - array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631), - array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099), - ), - array( - array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556), - array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749), - array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930), - ), - array( - array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391), - array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253), - array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066), - ), - array( - array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958), - array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082), - array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383), - ), - array( - array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521), - array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807), - array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948), - ), - array( - array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134), - array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455), - array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629), - ), - ), - array( - array( - array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069), - array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746), - array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919), - ), - array( - array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837), - array(8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906), - array(-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771), - ), - array( - array(-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817), - array(10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098), - array(10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409), - ), - array( - array(-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504), - array(-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727), - array(28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420), - 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), - array( - array(-7091295, 12556208, -20191352, 9025187, -17072479, 4333801, 4378436, 2432030, 23097949, -566018), - array(4565804, -16025654, 20084412, -7842817, 1724999, 189254, 24767264, 10103221, -18512313, 2424778), - array(366633, -11976806, 8173090, -6890119, 30788634, 5745705, -7168678, 1344109, -3642553, 12412659), - ), - array( - array(-24001791, 7690286, 14929416, -168257, -32210835, -13412986, 24162697, -15326504, -3141501, 11179385), - array(18289522, -14724954, 8056945, 16430056, -21729724, 7842514, -6001441, -1486897, -18684645, -11443503), - array(476239, 6601091, -6152790, -9723375, 17503545, -4863900, 27672959, 13403813, 11052904, 5219329), - ), - ), - array( - array( - array(20678546, -8375738, -32671898, 8849123, -5009758, 14574752, 31186971, -3973730, 9014762, -8579056), - array(-13644050, -10350239, -15962508, 5075808, -1514661, -11534600, -33102500, 9160280, 8473550, -3256838), - array(24900749, 14435722, 17209120, -15292541, -22592275, 9878983, -7689309, -16335821, -24568481, 11788948), - ), - array( - array(-3118155, -11395194, -13802089, 14797441, 9652448, -6845904, -20037437, 10410733, -24568470, -1458691), - array(-15659161, 16736706, -22467150, 10215878, -9097177, 7563911, 11871841, -12505194, -18513325, 8464118), - array(-23400612, 8348507, -14585951, -861714, -3950205, -6373419, 14325289, 8628612, 33313881, -8370517), - ), - array( - array(-20186973, -4967935, 22367356, 5271547, -1097117, -4788838, -24805667, -10236854, -8940735, -5818269), - array(-6948785, -1795212, -32625683, -16021179, 32635414, -7374245, 15989197, -12838188, 28358192, -4253904), - array(-23561781, -2799059, -32351682, -1661963, -9147719, 10429267, -16637684, 4072016, -5351664, 5596589), - ), - array( - array(-28236598, -3390048, 12312896, 6213178, 3117142, 16078565, 29266239, 2557221, 1768301, 15373193), - array(-7243358, -3246960, -4593467, -7553353, -127927, -912245, -1090902, -4504991, -24660491, 3442910), - array(-30210571, 5124043, 14181784, 8197961, 18964734, -11939093, 22597931, 7176455, -18585478, 13365930), - ), - array( - array(-7877390, -1499958, 8324673, 4690079, 6261860, 890446, 24538107, -8570186, -9689599, -3031667), - array(25008904, -10771599, -4305031, -9638010, 16265036, 15721635, 683793, -11823784, 15723479, -15163481), - array(-9660625, 12374379, -27006999, -7026148, -7724114, -12314514, 11879682, 5400171, 519526, -1235876), - ), - array( - array(22258397, -16332233, -7869817, 14613016, -22520255, -2950923, -20353881, 7315967, 16648397, 7605640), - array(-8081308, -8464597, -8223311, 9719710, 19259459, -15348212, 23994942, -5281555, -9468848, 4763278), - array(-21699244, 9220969, -15730624, 1084137, -25476107, -2852390, 31088447, -7764523, -11356529, 728112), - ), - array( - array(26047220, -11751471, -6900323, -16521798, 24092068, 9158119, -4273545, -12555558, -29365436, -5498272), - array(17510331, -322857, 5854289, 8403524, 17133918, -3112612, -28111007, 12327945, 10750447, 10014012), - array(-10312768, 3936952, 9156313, -8897683, 16498692, -994647, -27481051, -666732, 3424691, 7540221), - ), - array( - array(30322361, -6964110, 11361005, -4143317, 7433304, 4989748, -7071422, -16317219, -9244265, 15258046), - array(13054562, -2779497, 19155474, 469045, -12482797, 4566042, 5631406, 2711395, 1062915, -5136345), - array(-19240248, -11254599, -29509029, -7499965, -5835763, 13005411, -6066489, 12194497, 32960380, 1459310), - ), - ), - array( - array( - array(19852034, 7027924, 23669353, 10020366, 8586503, -6657907, 394197, -6101885, 18638003, -11174937), - array(31395534, 15098109, 26581030, 8030562, -16527914, -5007134, 9012486, -7584354, -6643087, -5442636), - array(-9192165, -2347377, -1997099, 4529534, 25766844, 607986, -13222, 9677543, -32294889, -6456008), - ), - array( - array(-2444496, -149937, 29348902, 8186665, 1873760, 12489863, -30934579, -7839692, -7852844, -8138429), - array(-15236356, -15433509, 7766470, 746860, 26346930, -10221762, -27333451, 10754588, -9431476, 5203576), - array(31834314, 14135496, -770007, 5159118, 20917671, -16768096, -7467973, -7337524, 31809243, 7347066), - ), - array( - array(-9606723, -11874240, 20414459, 13033986, 13716524, -11691881, 19797970, -12211255, 15192876, -2087490), - array(-12663563, -2181719, 1168162, -3804809, 26747877, -14138091, 10609330, 12694420, 33473243, -13382104), - array(33184999, 11180355, 15832085, -11385430, -1633671, 225884, 15089336, -11023903, -6135662, 14480053), - ), - array( - array(31308717, -5619998, 31030840, -1897099, 15674547, -6582883, 5496208, 13685227, 27595050, 8737275), - array(-20318852, -15150239, 10933843, -16178022, 8335352, -7546022, -31008351, -12610604, 26498114, 66511), - array(22644454, -8761729, -16671776, 4884562, -3105614, -13559366, 30540766, -4286747, -13327787, -7515095), - ), - array( - array(-28017847, 9834845, 18617207, -2681312, -3401956, -13307506, 8205540, 13585437, -17127465, 15115439), - array(23711543, -672915, 31206561, -8362711, 6164647, -9709987, -33535882, -1426096, 8236921, 16492939), - array(-23910559, -13515526, -26299483, -4503841, 25005590, -7687270, 19574902, 10071562, 6708380, -6222424), - ), - array( - array(2101391, -4930054, 19702731, 2367575, -15427167, 1047675, 5301017, 9328700, 29955601, -11678310), - array(3096359, 9271816, -21620864, -15521844, -14847996, -7592937, -25892142, -12635595, -9917575, 6216608), - array(-32615849, 338663, -25195611, 2510422, -29213566, -13820213, 24822830, -6146567, -26767480, 7525079), - ), - array( - array(-23066649, -13985623, 16133487, -7896178, -3389565, 778788, -910336, -2782495, -19386633, 11994101), - array(21691500, -13624626, -641331, -14367021, 3285881, -3483596, -25064666, 9718258, -7477437, 13381418), - array(18445390, -4202236, 14979846, 11622458, -1727110, -3582980, 23111648, -6375247, 28535282, 15779576), - ), - array( - array(30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356), - array(9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996), - array(-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099), - ), - ), - array( - array( - array(-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728), - array(-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658), - array(-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242), - ), - array( - array(-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001), - array(-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766), - array(18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373), - ), - array( - array(26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458), - array(-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628), - array(-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657), - ), - array( - array(-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062), - array(25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616), - array(31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014), - ), - array( - array(24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383), - array(-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814), - array(-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718), - ), - array( - array(30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417), - array(2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222), - array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444), - ), - array( - array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597), - array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970), - array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799), - ), - array( - array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647), - array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511), - array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032), - ), - ), - array( - array( - array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834), - array(-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461), - array(29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062), - ), - array( - array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516), - array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547), - array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240), - ), - array( - array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038), - array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741), - array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103), - ), - array( - array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747), - array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323), - array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016), - ), - array( - array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373), - array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228), - array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141), - ), - array( - array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399), - array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831), - array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376), - ), - array( - array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313), - array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958), - array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577), - ), - array( - array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743), - array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684), - array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476), - ), - ) - ); - - /** - * See: libsodium's crypto_core/curve25519/ref10/base2.h - * - * @var array basically int[8][3] - */ - protected static $base2 = array( - array( - array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), - array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), - array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), - ), - array( - array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), - array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), - array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), - ), - array( - array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), - array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), - array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), - ), - array( - array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), - array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), - array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), - ), - array( - array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877), - array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951), - array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784), - ), - array( - array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436), - array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918), - array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877), - ), - array( - array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800), - array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305), - array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300), - ), - array( - array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876), - array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619), - array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683), - ) - ); - - /** - * 37095705934669439343138083508754565189542113879843219016388785533085940283555 - * - * @var array<int, int> - */ - protected static $d = array( - -10913610, - 13857413, - -15372611, - 6949391, - 114729, - -8787816, - -6275908, - -3247719, - -18696448, - -12055116 - ); - - /** - * 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161 - * - * @var array<int, int> - */ - protected static $d2 = array( - -21827239, - -5839606, - -30745221, - 13898782, - 229458, - 15978800, - -12551817, - -6495438, - 29715968, - 9444199 - ); - - /** - * sqrt(-1) - * - * @var array<int, int> - */ - protected static $sqrtm1 = array( - -32595792, - -7943725, - 9377950, - 3500415, - 12389472, - -272473, - -25146209, - -2005654, - 326686, - 11406482 - ); -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/README.md b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/README.md deleted file mode 100644 index e8097fa..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Curve25519/README.md +++ /dev/null @@ -1,3 +0,0 @@ -# Curve25519 Data Structures - -These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h). diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Ed25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Ed25519.php deleted file mode 100644 index 7228644..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Ed25519.php +++ /dev/null @@ -1,480 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Ed25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Ed25519 - */ -abstract class ParagonIE_Sodium_Core_Ed25519 extends ParagonIE_Sodium_Core_Curve25519 -{ - const KEYPAIR_BYTES = 96; - const SEED_BYTES = 32; - - /** - * @internal You should not use this directly from another application - * - * @return string (96 bytes) - * @throws Exception - * @throws SodiumException - * @throws TypeError - */ - public static function keypair() - { - $seed = random_bytes(self::SEED_BYTES); - $pk = ''; - $sk = ''; - self::seed_keypair($pk, $sk, $seed); - return $sk . $pk; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $pk - * @param string $sk - * @param string $seed - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function seed_keypair(&$pk, &$sk, $seed) - { - if (self::strlen($seed) !== self::SEED_BYTES) { - throw new RangeException('crypto_sign keypair seed must be 32 bytes long'); - } - - /** @var string $pk */ - $pk = self::publickey_from_secretkey($seed); - $sk = $seed . $pk; - return $sk; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $keypair - * @return string - * @throws TypeError - */ - public static function secretkey($keypair) - { - if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { - throw new RangeException('crypto_sign keypair must be 96 bytes long'); - } - return self::substr($keypair, 0, 64); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $keypair - * @return string - * @throws TypeError - */ - public static function publickey($keypair) - { - if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { - throw new RangeException('crypto_sign keypair must be 96 bytes long'); - } - return self::substr($keypair, 64, 32); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function publickey_from_secretkey($sk) - { - /** @var string $sk */ - $sk = hash('sha512', self::substr($sk, 0, 32), true); - $sk[0] = self::intToChr( - self::chrToInt($sk[0]) & 248 - ); - $sk[31] = self::intToChr( - (self::chrToInt($sk[31]) & 63) | 64 - ); - return self::sk_to_pk($sk); - } - - /** - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function pk_to_curve25519($pk) - { - if (self::small_order($pk)) { - throw new SodiumException('Public key is on a small order'); - } - $A = self::ge_frombytes_negate_vartime(self::substr($pk, 0, 32)); - $p1 = self::ge_mul_l($A); - if (!self::fe_isnonzero($p1->X)) { - throw new SodiumException('Unexpected zero result'); - } - - # fe_1(one_minus_y); - # fe_sub(one_minus_y, one_minus_y, A.Y); - # fe_invert(one_minus_y, one_minus_y); - $one_minux_y = self::fe_invert( - self::fe_sub( - self::fe_1(), - $A->Y - ) - ); - - # fe_1(x); - # fe_add(x, x, A.Y); - # fe_mul(x, x, one_minus_y); - $x = self::fe_mul( - self::fe_add(self::fe_1(), $A->Y), - $one_minux_y - ); - - # fe_tobytes(curve25519_pk, x); - return self::fe_tobytes($x); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sk_to_pk($sk) - { - return self::ge_p3_tobytes( - self::ge_scalarmult_base( - self::substr($sk, 0, 32) - ) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign($message, $sk) - { - /** @var string $signature */ - $signature = self::sign_detached($message, $sk); - return $signature . $message; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message A signed message - * @param string $pk Public key - * @return string Message (without signature) - * @throws SodiumException - * @throws TypeError - */ - public static function sign_open($message, $pk) - { - /** @var string $signature */ - $signature = self::substr($message, 0, 64); - - /** @var string $message */ - $message = self::substr($message, 64); - - if (self::verify_detached($signature, $message, $pk)) { - return $message; - } - throw new SodiumException('Invalid signature'); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_detached($message, $sk) - { - # crypto_hash_sha512(az, sk, 32); - $az = hash('sha512', self::substr($sk, 0, 32), true); - - # az[0] &= 248; - # az[31] &= 63; - # az[31] |= 64; - $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); - $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); - - # crypto_hash_sha512_init(&hs); - # crypto_hash_sha512_update(&hs, az + 32, 32); - # crypto_hash_sha512_update(&hs, m, mlen); - # crypto_hash_sha512_final(&hs, nonce); - $hs = hash_init('sha512'); - hash_update($hs, self::substr($az, 32, 32)); - hash_update($hs, $message); - $nonceHash = hash_final($hs, true); - - # memmove(sig + 32, sk + 32, 32); - $pk = self::substr($sk, 32, 32); - - # sc_reduce(nonce); - # ge_scalarmult_base(&R, nonce); - # ge_p3_tobytes(sig, &R); - $nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32); - $sig = self::ge_p3_tobytes( - self::ge_scalarmult_base($nonce) - ); - - # crypto_hash_sha512_init(&hs); - # crypto_hash_sha512_update(&hs, sig, 64); - # crypto_hash_sha512_update(&hs, m, mlen); - # crypto_hash_sha512_final(&hs, hram); - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($pk, 0, 32)); - hash_update($hs, $message); - $hramHash = hash_final($hs, true); - - # sc_reduce(hram); - # sc_muladd(sig + 32, hram, az, nonce); - $hram = self::sc_reduce($hramHash); - $sigAfter = self::sc_muladd($hram, $az, $nonce); - $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); - - try { - ParagonIE_Sodium_Compat::memzero($az); - } catch (SodiumException $ex) { - $az = null; - } - return $sig; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sig - * @param string $message - * @param string $pk - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function verify_detached($sig, $message, $pk) - { - if (self::strlen($sig) < 64) { - throw new SodiumException('Signature is too short'); - } - if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) { - throw new SodiumException('S < L - Invalid signature'); - } - if (self::small_order($sig)) { - throw new SodiumException('Signature is on too small of an order'); - } - if ((self::chrToInt($sig[63]) & 224) !== 0) { - throw new SodiumException('Invalid signature'); - } - $d = 0; - for ($i = 0; $i < 32; ++$i) { - $d |= self::chrToInt($pk[$i]); - } - if ($d === 0) { - throw new SodiumException('All zero public key'); - } - - /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ - $orig = ParagonIE_Sodium_Compat::$fastMult; - - // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. - ParagonIE_Sodium_Compat::$fastMult = true; - - /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A */ - $A = self::ge_frombytes_negate_vartime($pk); - - /** @var string $hDigest */ - $hDigest = hash( - 'sha512', - self::substr($sig, 0, 32) . - self::substr($pk, 0, 32) . - $message, - true - ); - - /** @var string $h */ - $h = self::sc_reduce($hDigest) . self::substr($hDigest, 32); - - /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P2 $R */ - $R = self::ge_double_scalarmult_vartime( - $h, - $A, - self::substr($sig, 32) - ); - - /** @var string $rcheck */ - $rcheck = self::ge_tobytes($R); - - // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. - ParagonIE_Sodium_Compat::$fastMult = $orig; - - return self::verify_32($rcheck, self::substr($sig, 0, 32)); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $S - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function check_S_lt_L($S) - { - if (self::strlen($S) < 32) { - throw new SodiumException('Signature must be 32 bytes'); - } - $L = array( - 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 - ); - $c = 0; - $n = 1; - $i = 32; - - /** @var array<int, int> $L */ - do { - --$i; - $x = self::chrToInt($S[$i]); - $c |= ( - (($x - $L[$i]) >> 8) & $n - ); - $n &= ( - (($x ^ $L[$i]) - 1) >> 8 - ); - } while ($i !== 0); - - return $c === 0; - } - - /** - * @param string $R - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function small_order($R) - { - /** @var array<int, array<int, int>> $blacklist */ - $blacklist = array( - /* 0 (order 4) */ - array( - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - ), - /* 1 (order 1) */ - array( - 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - ), - /* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ - array( - 0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, - 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, - 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, - 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05 - ), - /* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ - array( - 0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, - 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, - 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, - 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a - ), - /* p-1 (order 2) */ - array( - 0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, - 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, - 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, - 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85 - ), - /* p (order 4) */ - array( - 0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, - 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, - 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, - 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa - ), - /* p+1 (order 1) */ - array( - 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ - array( - 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ - array( - 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* 2p-1 (order 2) */ - array( - 0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ), - /* 2p (order 4) */ - array( - 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ), - /* 2p+1 (order 1) */ - array( - 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ) - ); - /** @var int $countBlacklist */ - $countBlacklist = count($blacklist); - - for ($i = 0; $i < $countBlacklist; ++$i) { - $c = 0; - for ($j = 0; $j < 32; ++$j) { - $c |= self::chrToInt($R[$j]) ^ (int) $blacklist[$i][$j]; - } - if ($c === 0) { - return true; - } - } - return false; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/HChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/HChaCha20.php deleted file mode 100644 index 947df10..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/HChaCha20.php +++ /dev/null @@ -1,108 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_HChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_HChaCha20 - */ -class ParagonIE_Sodium_Core_HChaCha20 extends ParagonIE_Sodium_Core_ChaCha20 -{ - /** - * @param string $in - * @param string $key - * @param string|null $c - * @return string - * @throws TypeError - */ - public static function hChaCha20($in = '', $key = '', $c = null) - { - $ctx = array(); - - if ($c === null) { - $ctx[0] = 0x61707865; - $ctx[1] = 0x3320646e; - $ctx[2] = 0x79622d32; - $ctx[3] = 0x6b206574; - } else { - $ctx[0] = self::load_4(self::substr($c, 0, 4)); - $ctx[1] = self::load_4(self::substr($c, 4, 4)); - $ctx[2] = self::load_4(self::substr($c, 8, 4)); - $ctx[3] = self::load_4(self::substr($c, 12, 4)); - } - $ctx[4] = self::load_4(self::substr($key, 0, 4)); - $ctx[5] = self::load_4(self::substr($key, 4, 4)); - $ctx[6] = self::load_4(self::substr($key, 8, 4)); - $ctx[7] = self::load_4(self::substr($key, 12, 4)); - $ctx[8] = self::load_4(self::substr($key, 16, 4)); - $ctx[9] = self::load_4(self::substr($key, 20, 4)); - $ctx[10] = self::load_4(self::substr($key, 24, 4)); - $ctx[11] = self::load_4(self::substr($key, 28, 4)); - $ctx[12] = self::load_4(self::substr($in, 0, 4)); - $ctx[13] = self::load_4(self::substr($in, 4, 4)); - $ctx[14] = self::load_4(self::substr($in, 8, 4)); - $ctx[15] = self::load_4(self::substr($in, 12, 4)); - return self::hChaCha20Bytes($ctx); - } - - /** - * @param array $ctx - * @return string - * @throws TypeError - */ - protected static function hChaCha20Bytes(array $ctx) - { - $x0 = (int) $ctx[0]; - $x1 = (int) $ctx[1]; - $x2 = (int) $ctx[2]; - $x3 = (int) $ctx[3]; - $x4 = (int) $ctx[4]; - $x5 = (int) $ctx[5]; - $x6 = (int) $ctx[6]; - $x7 = (int) $ctx[7]; - $x8 = (int) $ctx[8]; - $x9 = (int) $ctx[9]; - $x10 = (int) $ctx[10]; - $x11 = (int) $ctx[11]; - $x12 = (int) $ctx[12]; - $x13 = (int) $ctx[13]; - $x14 = (int) $ctx[14]; - $x15 = (int) $ctx[15]; - - for ($i = 0; $i < 10; ++$i) { - # QUARTERROUND( x0, x4, x8, x12) - list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); - - # QUARTERROUND( x1, x5, x9, x13) - list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); - - # QUARTERROUND( x2, x6, x10, x14) - list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); - - # QUARTERROUND( x3, x7, x11, x15) - list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); - - # QUARTERROUND( x0, x5, x10, x15) - list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); - - # QUARTERROUND( x1, x6, x11, x12) - list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); - - # QUARTERROUND( x2, x7, x8, x13) - list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); - - # QUARTERROUND( x3, x4, x9, x14) - list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); - } - - return self::store32_le((int) ($x0 & 0xffffffff)) . - self::store32_le((int) ($x1 & 0xffffffff)) . - self::store32_le((int) ($x2 & 0xffffffff)) . - self::store32_le((int) ($x3 & 0xffffffff)) . - self::store32_le((int) ($x12 & 0xffffffff)) . - self::store32_le((int) ($x13 & 0xffffffff)) . - self::store32_le((int) ($x14 & 0xffffffff)) . - self::store32_le((int) ($x15 & 0xffffffff)); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/HSalsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/HSalsa20.php deleted file mode 100644 index 35ee79e..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/HSalsa20.php +++ /dev/null @@ -1,96 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_HSalsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_HSalsa20 - */ -abstract class ParagonIE_Sodium_Core_HSalsa20 extends ParagonIE_Sodium_Core_Salsa20 -{ - /** - * Calculate an hsalsa20 hash of a single block - * - * HSalsa20 doesn't have a counter and will never be used for more than - * one block (used to derive a subkey for xsalsa20). - * - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $k - * @param string|null $c - * @return string - * @throws TypeError - */ - public static function hsalsa20($in, $k, $c = null) - { - if ($c === null) { - $x0 = 0x61707865; - $x5 = 0x3320646e; - $x10 = 0x79622d32; - $x15 = 0x6b206574; - } else { - $x0 = self::load_4(self::substr($c, 0, 4)); - $x5 = self::load_4(self::substr($c, 4, 4)); - $x10 = self::load_4(self::substr($c, 8, 4)); - $x15 = self::load_4(self::substr($c, 12, 4)); - } - $x1 = self::load_4(self::substr($k, 0, 4)); - $x2 = self::load_4(self::substr($k, 4, 4)); - $x3 = self::load_4(self::substr($k, 8, 4)); - $x4 = self::load_4(self::substr($k, 12, 4)); - $x11 = self::load_4(self::substr($k, 16, 4)); - $x12 = self::load_4(self::substr($k, 20, 4)); - $x13 = self::load_4(self::substr($k, 24, 4)); - $x14 = self::load_4(self::substr($k, 28, 4)); - $x6 = self::load_4(self::substr($in, 0, 4)); - $x7 = self::load_4(self::substr($in, 4, 4)); - $x8 = self::load_4(self::substr($in, 8, 4)); - $x9 = self::load_4(self::substr($in, 12, 4)); - - for ($i = self::ROUNDS; $i > 0; $i -= 2) { - $x4 ^= self::rotate($x0 + $x12, 7); - $x8 ^= self::rotate($x4 + $x0, 9); - $x12 ^= self::rotate($x8 + $x4, 13); - $x0 ^= self::rotate($x12 + $x8, 18); - $x9 ^= self::rotate($x5 + $x1, 7); - $x13 ^= self::rotate($x9 + $x5, 9); - $x1 ^= self::rotate($x13 + $x9, 13); - $x5 ^= self::rotate($x1 + $x13, 18); - $x14 ^= self::rotate($x10 + $x6, 7); - $x2 ^= self::rotate($x14 + $x10, 9); - $x6 ^= self::rotate($x2 + $x14, 13); - $x10 ^= self::rotate($x6 + $x2, 18); - $x3 ^= self::rotate($x15 + $x11, 7); - $x7 ^= self::rotate($x3 + $x15, 9); - $x11 ^= self::rotate($x7 + $x3, 13); - $x15 ^= self::rotate($x11 + $x7, 18); - $x1 ^= self::rotate($x0 + $x3, 7); - $x2 ^= self::rotate($x1 + $x0, 9); - $x3 ^= self::rotate($x2 + $x1, 13); - $x0 ^= self::rotate($x3 + $x2, 18); - $x6 ^= self::rotate($x5 + $x4, 7); - $x7 ^= self::rotate($x6 + $x5, 9); - $x4 ^= self::rotate($x7 + $x6, 13); - $x5 ^= self::rotate($x4 + $x7, 18); - $x11 ^= self::rotate($x10 + $x9, 7); - $x8 ^= self::rotate($x11 + $x10, 9); - $x9 ^= self::rotate($x8 + $x11, 13); - $x10 ^= self::rotate($x9 + $x8, 18); - $x12 ^= self::rotate($x15 + $x14, 7); - $x13 ^= self::rotate($x12 + $x15, 9); - $x14 ^= self::rotate($x13 + $x12, 13); - $x15 ^= self::rotate($x14 + $x13, 18); - } - - return self::store32_le($x0) . - self::store32_le($x5) . - self::store32_le($x10) . - self::store32_le($x15) . - self::store32_le($x6) . - self::store32_le($x7) . - self::store32_le($x8) . - self::store32_le($x9); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305.php deleted file mode 100644 index 3301821..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305.php +++ /dev/null @@ -1,63 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Poly1305', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Poly1305 - */ -abstract class ParagonIE_Sodium_Core_Poly1305 extends ParagonIE_Sodium_Core_Util -{ - const BLOCK_SIZE = 16; - - /** - * @internal You should not use this directly from another application - * - * @param string $m - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function onetimeauth($m, $key) - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Key must be 32 bytes long.' - ); - } - $state = new ParagonIE_Sodium_Core_Poly1305_State( - self::substr($key, 0, 32) - ); - return $state - ->update($m) - ->finish(); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $mac - * @param string $m - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function onetimeauth_verify($mac, $m, $key) - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Key must be 32 bytes long.' - ); - } - $state = new ParagonIE_Sodium_Core_Poly1305_State( - self::substr($key, 0, 32) - ); - $calc = $state - ->update($m) - ->finish(); - return self::verify_16($calc, $mac); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305/State.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305/State.php deleted file mode 100644 index 4b64e04..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Poly1305/State.php +++ /dev/null @@ -1,445 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Poly1305_State', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Poly1305_State - */ -class ParagonIE_Sodium_Core_Poly1305_State extends ParagonIE_Sodium_Core_Util -{ - /** - * @var array<int, int> - */ - protected $buffer = array(); - - /** - * @var bool - */ - protected $final = false; - - /** - * @var array<int, int> - */ - public $h; - - /** - * @var int - */ - protected $leftover = 0; - - /** - * @var int[] - */ - public $r; - - /** - * @var int[] - */ - public $pad; - - /** - * ParagonIE_Sodium_Core_Poly1305_State constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key - * @throws InvalidArgumentException - * @throws TypeError - */ - public function __construct($key = '') - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Poly1305 requires a 32-byte key' - ); - } - /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ - $this->r = array( - (int) ((self::load_4(self::substr($key, 0, 4))) & 0x3ffffff), - (int) ((self::load_4(self::substr($key, 3, 4)) >> 2) & 0x3ffff03), - (int) ((self::load_4(self::substr($key, 6, 4)) >> 4) & 0x3ffc0ff), - (int) ((self::load_4(self::substr($key, 9, 4)) >> 6) & 0x3f03fff), - (int) ((self::load_4(self::substr($key, 12, 4)) >> 8) & 0x00fffff) - ); - - /* h = 0 */ - $this->h = array(0, 0, 0, 0, 0); - - /* save pad for later */ - $this->pad = array( - self::load_4(self::substr($key, 16, 4)), - self::load_4(self::substr($key, 20, 4)), - self::load_4(self::substr($key, 24, 4)), - self::load_4(self::substr($key, 28, 4)), - ); - - $this->leftover = 0; - $this->final = false; - } - - /** - * Zero internal buffer upon destruction - */ - public function __destruct() - { - $this->r[0] ^= $this->r[0]; - $this->r[1] ^= $this->r[1]; - $this->r[2] ^= $this->r[2]; - $this->r[3] ^= $this->r[3]; - $this->r[4] ^= $this->r[4]; - $this->h[0] ^= $this->h[0]; - $this->h[1] ^= $this->h[1]; - $this->h[2] ^= $this->h[2]; - $this->h[3] ^= $this->h[3]; - $this->h[4] ^= $this->h[4]; - $this->pad[0] ^= $this->pad[0]; - $this->pad[1] ^= $this->pad[1]; - $this->pad[2] ^= $this->pad[2]; - $this->pad[3] ^= $this->pad[3]; - $this->leftover = 0; - $this->final = true; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @return self - * @throws SodiumException - * @throws TypeError - */ - public function update($message = '') - { - $bytes = self::strlen($message); - if ($bytes < 1) { - return $this; - } - - /* handle leftover */ - if ($this->leftover) { - $want = ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - $this->leftover; - if ($want > $bytes) { - $want = $bytes; - } - for ($i = 0; $i < $want; ++$i) { - $mi = self::chrToInt($message[$i]); - $this->buffer[$this->leftover + $i] = $mi; - } - // We snip off the leftmost bytes. - $message = self::substr($message, $want); - $bytes = self::strlen($message); - $this->leftover += $want; - if ($this->leftover < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { - // We still don't have enough to run $this->blocks() - return $this; - } - - $this->blocks( - self::intArrayToString($this->buffer), - ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - ); - $this->leftover = 0; - } - - /* process full blocks */ - if ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { - /** @var int $want */ - $want = $bytes & ~(ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - 1); - if ($want >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { - $block = self::substr($message, 0, $want); - if (self::strlen($block) >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { - $this->blocks($block, $want); - $message = self::substr($message, $want); - $bytes = self::strlen($message); - } - } - } - - /* store leftover */ - if ($bytes) { - for ($i = 0; $i < $bytes; ++$i) { - $mi = self::chrToInt($message[$i]); - $this->buffer[$this->leftover + $i] = $mi; - } - $this->leftover = (int) $this->leftover + $bytes; - } - return $this; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param int $bytes - * @return self - * @throws TypeError - */ - public function blocks($message, $bytes) - { - if (self::strlen($message) < 16) { - $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT); - } - /** @var int $hibit */ - $hibit = $this->final ? 0 : 1 << 24; /* 1 << 128 */ - $r0 = (int) $this->r[0]; - $r1 = (int) $this->r[1]; - $r2 = (int) $this->r[2]; - $r3 = (int) $this->r[3]; - $r4 = (int) $this->r[4]; - - $s1 = self::mul($r1, 5, 3); - $s2 = self::mul($r2, 5, 3); - $s3 = self::mul($r3, 5, 3); - $s4 = self::mul($r4, 5, 3); - - $h0 = $this->h[0]; - $h1 = $this->h[1]; - $h2 = $this->h[2]; - $h3 = $this->h[3]; - $h4 = $this->h[4]; - - while ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) { - /* h += m[i] */ - $h0 += self::load_4(self::substr($message, 0, 4)) & 0x3ffffff; - $h1 += (self::load_4(self::substr($message, 3, 4)) >> 2) & 0x3ffffff; - $h2 += (self::load_4(self::substr($message, 6, 4)) >> 4) & 0x3ffffff; - $h3 += (self::load_4(self::substr($message, 9, 4)) >> 6) & 0x3ffffff; - $h4 += (self::load_4(self::substr($message, 12, 4)) >> 8) | $hibit; - - /* h *= r */ - $d0 = ( - self::mul($h0, $r0, 25) + - self::mul($s4, $h1, 26) + - self::mul($s3, $h2, 26) + - self::mul($s2, $h3, 26) + - self::mul($s1, $h4, 26) - ); - - $d1 = ( - self::mul($h0, $r1, 25) + - self::mul($h1, $r0, 25) + - self::mul($s4, $h2, 26) + - self::mul($s3, $h3, 26) + - self::mul($s2, $h4, 26) - ); - - $d2 = ( - self::mul($h0, $r2, 25) + - self::mul($h1, $r1, 25) + - self::mul($h2, $r0, 25) + - self::mul($s4, $h3, 26) + - self::mul($s3, $h4, 26) - ); - - $d3 = ( - self::mul($h0, $r3, 25) + - self::mul($h1, $r2, 25) + - self::mul($h2, $r1, 25) + - self::mul($h3, $r0, 25) + - self::mul($s4, $h4, 26) - ); - - $d4 = ( - self::mul($h0, $r4, 25) + - self::mul($h1, $r3, 25) + - self::mul($h2, $r2, 25) + - self::mul($h3, $r1, 25) + - self::mul($h4, $r0, 25) - ); - - /* (partial) h %= p */ - /** @var int $c */ - $c = $d0 >> 26; - /** @var int $h0 */ - $h0 = $d0 & 0x3ffffff; - $d1 += $c; - - /** @var int $c */ - $c = $d1 >> 26; - /** @var int $h1 */ - $h1 = $d1 & 0x3ffffff; - $d2 += $c; - - /** @var int $c */ - $c = $d2 >> 26; - /** @var int $h2 */ - $h2 = $d2 & 0x3ffffff; - $d3 += $c; - - /** @var int $c */ - $c = $d3 >> 26; - /** @var int $h3 */ - $h3 = $d3 & 0x3ffffff; - $d4 += $c; - - /** @var int $c */ - $c = $d4 >> 26; - /** @var int $h4 */ - $h4 = $d4 & 0x3ffffff; - $h0 += (int) self::mul($c, 5, 3); - - /** @var int $c */ - $c = $h0 >> 26; - /** @var int $h0 */ - $h0 &= 0x3ffffff; - $h1 += $c; - - // Chop off the left 32 bytes. - $message = self::substr( - $message, - ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - ); - $bytes -= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; - } - - $this->h = array( - (int) ($h0 & 0xffffffff), - (int) ($h1 & 0xffffffff), - (int) ($h2 & 0xffffffff), - (int) ($h3 & 0xffffffff), - (int) ($h4 & 0xffffffff) - ); - return $this; - } - - /** - * @internal You should not use this directly from another application - * - * @return string - * @throws TypeError - */ - public function finish() - { - /* process the remaining block */ - if ($this->leftover) { - $i = $this->leftover; - $this->buffer[$i++] = 1; - for (; $i < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; ++$i) { - $this->buffer[$i] = 0; - } - $this->final = true; - $this->blocks( - self::substr( - self::intArrayToString($this->buffer), - 0, - ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - ), - ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - ); - } - - $h0 = (int) $this->h[0]; - $h1 = (int) $this->h[1]; - $h2 = (int) $this->h[2]; - $h3 = (int) $this->h[3]; - $h4 = (int) $this->h[4]; - - /** @var int $c */ - $c = $h1 >> 26; - /** @var int $h1 */ - $h1 &= 0x3ffffff; - /** @var int $h2 */ - $h2 += $c; - /** @var int $c */ - $c = $h2 >> 26; - /** @var int $h2 */ - $h2 &= 0x3ffffff; - $h3 += $c; - /** @var int $c */ - $c = $h3 >> 26; - $h3 &= 0x3ffffff; - $h4 += $c; - /** @var int $c */ - $c = $h4 >> 26; - $h4 &= 0x3ffffff; - /** @var int $h0 */ - $h0 += self::mul($c, 5, 3); - /** @var int $c */ - $c = $h0 >> 26; - /** @var int $h0 */ - $h0 &= 0x3ffffff; - /** @var int $h1 */ - $h1 += $c; - - /* compute h + -p */ - /** @var int $g0 */ - $g0 = $h0 + 5; - /** @var int $c */ - $c = $g0 >> 26; - /** @var int $g0 */ - $g0 &= 0x3ffffff; - - /** @var int $g1 */ - $g1 = $h1 + $c; - /** @var int $c */ - $c = $g1 >> 26; - $g1 &= 0x3ffffff; - - /** @var int $g2 */ - $g2 = $h2 + $c; - /** @var int $c */ - $c = $g2 >> 26; - /** @var int $g2 */ - $g2 &= 0x3ffffff; - - /** @var int $g3 */ - $g3 = $h3 + $c; - /** @var int $c */ - $c = $g3 >> 26; - /** @var int $g3 */ - $g3 &= 0x3ffffff; - - /** @var int $g4 */ - $g4 = ($h4 + $c - (1 << 26)) & 0xffffffff; - - /* select h if h < p, or h + -p if h >= p */ - /** @var int $mask */ - $mask = ($g4 >> 31) - 1; - - $g0 &= $mask; - $g1 &= $mask; - $g2 &= $mask; - $g3 &= $mask; - $g4 &= $mask; - - /** @var int $mask */ - $mask = ~$mask & 0xffffffff; - /** @var int $h0 */ - $h0 = ($h0 & $mask) | $g0; - /** @var int $h1 */ - $h1 = ($h1 & $mask) | $g1; - /** @var int $h2 */ - $h2 = ($h2 & $mask) | $g2; - /** @var int $h3 */ - $h3 = ($h3 & $mask) | $g3; - /** @var int $h4 */ - $h4 = ($h4 & $mask) | $g4; - - /* h = h % (2^128) */ - /** @var int $h0 */ - $h0 = (($h0) | ($h1 << 26)) & 0xffffffff; - /** @var int $h1 */ - $h1 = (($h1 >> 6) | ($h2 << 20)) & 0xffffffff; - /** @var int $h2 */ - $h2 = (($h2 >> 12) | ($h3 << 14)) & 0xffffffff; - /** @var int $h3 */ - $h3 = (($h3 >> 18) | ($h4 << 8)) & 0xffffffff; - - /* mac = (h + pad) % (2^128) */ - $f = (int) ($h0 + $this->pad[0]); - $h0 = (int) $f; - $f = (int) ($h1 + $this->pad[1] + ($f >> 32)); - $h1 = (int) $f; - $f = (int) ($h2 + $this->pad[2] + ($f >> 32)); - $h2 = (int) $f; - $f = (int) ($h3 + $this->pad[3] + ($f >> 32)); - $h3 = (int) $f; - - return self::store32_le($h0 & 0xffffffff) . - self::store32_le($h1 & 0xffffffff) . - self::store32_le($h2 & 0xffffffff) . - self::store32_le($h3 & 0xffffffff); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Salsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Salsa20.php deleted file mode 100644 index 515ccad..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Salsa20.php +++ /dev/null @@ -1,273 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Salsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Salsa20 - */ -abstract class ParagonIE_Sodium_Core_Salsa20 extends ParagonIE_Sodium_Core_Util -{ - const ROUNDS = 20; - - /** - * Calculate an salsa20 hash of a single block - * - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $k - * @param string|null $c - * @return string - * @throws TypeError - */ - public static function core_salsa20($in, $k, $c = null) - { - if (self::strlen($k) < 32) { - throw new RangeException('Key must be 32 bytes long'); - } - if ($c === null) { - $j0 = $x0 = 0x61707865; - $j5 = $x5 = 0x3320646e; - $j10 = $x10 = 0x79622d32; - $j15 = $x15 = 0x6b206574; - } else { - $j0 = $x0 = self::load_4(self::substr($c, 0, 4)); - $j5 = $x5 = self::load_4(self::substr($c, 4, 4)); - $j10 = $x10 = self::load_4(self::substr($c, 8, 4)); - $j15 = $x15 = self::load_4(self::substr($c, 12, 4)); - } - $j1 = $x1 = self::load_4(self::substr($k, 0, 4)); - $j2 = $x2 = self::load_4(self::substr($k, 4, 4)); - $j3 = $x3 = self::load_4(self::substr($k, 8, 4)); - $j4 = $x4 = self::load_4(self::substr($k, 12, 4)); - $j6 = $x6 = self::load_4(self::substr($in, 0, 4)); - $j7 = $x7 = self::load_4(self::substr($in, 4, 4)); - $j8 = $x8 = self::load_4(self::substr($in, 8, 4)); - $j9 = $x9 = self::load_4(self::substr($in, 12, 4)); - $j11 = $x11 = self::load_4(self::substr($k, 16, 4)); - $j12 = $x12 = self::load_4(self::substr($k, 20, 4)); - $j13 = $x13 = self::load_4(self::substr($k, 24, 4)); - $j14 = $x14 = self::load_4(self::substr($k, 28, 4)); - - for ($i = self::ROUNDS; $i > 0; $i -= 2) { - $x4 ^= self::rotate($x0 + $x12, 7); - $x8 ^= self::rotate($x4 + $x0, 9); - $x12 ^= self::rotate($x8 + $x4, 13); - $x0 ^= self::rotate($x12 + $x8, 18); - - $x9 ^= self::rotate($x5 + $x1, 7); - $x13 ^= self::rotate($x9 + $x5, 9); - $x1 ^= self::rotate($x13 + $x9, 13); - $x5 ^= self::rotate($x1 + $x13, 18); - - $x14 ^= self::rotate($x10 + $x6, 7); - $x2 ^= self::rotate($x14 + $x10, 9); - $x6 ^= self::rotate($x2 + $x14, 13); - $x10 ^= self::rotate($x6 + $x2, 18); - - $x3 ^= self::rotate($x15 + $x11, 7); - $x7 ^= self::rotate($x3 + $x15, 9); - $x11 ^= self::rotate($x7 + $x3, 13); - $x15 ^= self::rotate($x11 + $x7, 18); - - $x1 ^= self::rotate($x0 + $x3, 7); - $x2 ^= self::rotate($x1 + $x0, 9); - $x3 ^= self::rotate($x2 + $x1, 13); - $x0 ^= self::rotate($x3 + $x2, 18); - - $x6 ^= self::rotate($x5 + $x4, 7); - $x7 ^= self::rotate($x6 + $x5, 9); - $x4 ^= self::rotate($x7 + $x6, 13); - $x5 ^= self::rotate($x4 + $x7, 18); - - $x11 ^= self::rotate($x10 + $x9, 7); - $x8 ^= self::rotate($x11 + $x10, 9); - $x9 ^= self::rotate($x8 + $x11, 13); - $x10 ^= self::rotate($x9 + $x8, 18); - - $x12 ^= self::rotate($x15 + $x14, 7); - $x13 ^= self::rotate($x12 + $x15, 9); - $x14 ^= self::rotate($x13 + $x12, 13); - $x15 ^= self::rotate($x14 + $x13, 18); - } - - $x0 += $j0; - $x1 += $j1; - $x2 += $j2; - $x3 += $j3; - $x4 += $j4; - $x5 += $j5; - $x6 += $j6; - $x7 += $j7; - $x8 += $j8; - $x9 += $j9; - $x10 += $j10; - $x11 += $j11; - $x12 += $j12; - $x13 += $j13; - $x14 += $j14; - $x15 += $j15; - - return self::store32_le($x0) . - self::store32_le($x1) . - self::store32_le($x2) . - self::store32_le($x3) . - self::store32_le($x4) . - self::store32_le($x5) . - self::store32_le($x6) . - self::store32_le($x7) . - self::store32_le($x8) . - self::store32_le($x9) . - self::store32_le($x10) . - self::store32_le($x11) . - self::store32_le($x12) . - self::store32_le($x13) . - self::store32_le($x14) . - self::store32_le($x15); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20($len, $nonce, $key) - { - if (self::strlen($key) !== 32) { - throw new RangeException('Key must be 32 bytes long'); - } - $kcopy = '' . $key; - $in = self::substr($nonce, 0, 8) . str_repeat("\0", 8); - $c = ''; - while ($len >= 64) { - $c .= self::core_salsa20($in, $kcopy, null); - $u = 1; - // Internal counter. - for ($i = 8; $i < 16; ++$i) { - $u += self::chrToInt($in[$i]); - $in[$i] = self::intToChr($u & 0xff); - $u >>= 8; - } - $len -= 64; - } - if ($len > 0) { - $c .= self::substr( - self::core_salsa20($in, $kcopy, null), - 0, - $len - ); - } - try { - ParagonIE_Sodium_Compat::memzero($kcopy); - } catch (SodiumException $ex) { - $kcopy = null; - } - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $m - * @param string $n - * @param int $ic - * @param string $k - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20_xor_ic($m, $n, $ic, $k) - { - $mlen = self::strlen($m); - if ($mlen < 1) { - return ''; - } - $kcopy = self::substr($k, 0, 32); - $in = self::substr($n, 0, 8); - // Initialize the counter - $in .= ParagonIE_Sodium_Core_Util::store64_le($ic); - - $c = ''; - while ($mlen >= 64) { - $block = self::core_salsa20($in, $kcopy, null); - $c .= self::xorStrings( - self::substr($m, 0, 64), - self::substr($block, 0, 64) - ); - $u = 1; - for ($i = 8; $i < 16; ++$i) { - $u += self::chrToInt($in[$i]); - $in[$i] = self::intToChr($u & 0xff); - $u >>= 8; - } - - $mlen -= 64; - $m = self::substr($m, 64); - } - - if ($mlen) { - $block = self::core_salsa20($in, $kcopy, null); - $c .= self::xorStrings( - self::substr($m, 0, $mlen), - self::substr($block, 0, $mlen) - ); - } - try { - ParagonIE_Sodium_Compat::memzero($block); - ParagonIE_Sodium_Compat::memzero($kcopy); - } catch (SodiumException $ex) { - $block = null; - $kcopy = null; - } - - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20_xor($message, $nonce, $key) - { - return self::xorStrings( - $message, - self::salsa20( - self::strlen($message), - $nonce, - $key - ) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $u - * @param int $c - * @return int - */ - public static function rotate($u, $c) - { - $u &= 0xffffffff; - $c %= 32; - return (int) (0xffffffff & ( - ($u << $c) - | - ($u >> (32 - $c)) - ) - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/SecretStream/State.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/SecretStream/State.php deleted file mode 100644 index 2412f65..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/SecretStream/State.php +++ /dev/null @@ -1,163 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core_SecretStream_State - */ -class ParagonIE_Sodium_Core_SecretStream_State -{ - /** @var string $key */ - protected $key; - - /** @var int $counter */ - protected $counter; - - /** @var string $nonce */ - protected $nonce; - - /** @var string $_pad */ - protected $_pad; - - /** - * ParagonIE_Sodium_Core_SecretStream_State constructor. - * @param string $key - * @param string|null $nonce - */ - public function __construct($key, $nonce = null) - { - $this->key = $key; - $this->counter = 1; - if (is_null($nonce)) { - $nonce = str_repeat("\0", 12); - } - $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);; - $this->_pad = str_repeat("\0", 4); - } - - /** - * @return self - */ - public function counterReset() - { - $this->counter = 1; - $this->_pad = str_repeat("\0", 4); - return $this; - } - - /** - * @return string - */ - public function getKey() - { - return $this->key; - } - - /** - * @return string - */ - public function getCounter() - { - return ParagonIE_Sodium_Core_Util::store32_le($this->counter); - } - - /** - * @return string - */ - public function getNonce() - { - if (!is_string($this->nonce)) { - $this->nonce = str_repeat("\0", 12); - } - if (ParagonIE_Sodium_Core_Util::strlen($this->nonce) !== 12) { - $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT); - } - return $this->nonce; - } - - /** - * @return string - */ - public function getCombinedNonce() - { - return $this->getCounter() . - ParagonIE_Sodium_Core_Util::substr($this->getNonce(), 0, 8); - } - - /** - * @return self - */ - public function incrementCounter() - { - ++$this->counter; - return $this; - } - - /** - * @return bool - */ - public function needsRekey() - { - return ($this->counter & 0xffff) === 0; - } - - /** - * @param string $newKeyAndNonce - * @return self - */ - public function rekey($newKeyAndNonce) - { - $this->key = ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 0, 32); - $this->nonce = str_pad( - ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 32), - 12, - "\0", - STR_PAD_RIGHT - ); - return $this; - } - - /** - * @param string $str - * @return self - */ - public function xorNonce($str) - { - $this->nonce = ParagonIE_Sodium_Core_Util::xorStrings( - $this->getNonce(), - str_pad( - ParagonIE_Sodium_Core_Util::substr($str, 0, 8), - 12, - "\0", - STR_PAD_RIGHT - ) - ); - return $this; - } - - /** - * @param string $string - * @return self - */ - public static function fromString($string) - { - $state = new ParagonIE_Sodium_Core_SecretStream_State( - ParagonIE_Sodium_Core_Util::substr($string, 0, 32) - ); - $state->counter = ParagonIE_Sodium_Core_Util::load_4( - ParagonIE_Sodium_Core_Util::substr($string, 32, 4) - ); - $state->nonce = ParagonIE_Sodium_Core_Util::substr($string, 36, 12); - $state->_pad = ParagonIE_Sodium_Core_Util::substr($string, 48, 8); - return $state; - } - - /** - * @return string - */ - public function toString() - { - return $this->key . - $this->getCounter() . - $this->nonce . - $this->_pad; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/SipHash.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/SipHash.php deleted file mode 100644 index 7d39816..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/SipHash.php +++ /dev/null @@ -1,305 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_SipHash', false)) { - return; -} - -/** - * Class ParagonIE_SodiumCompat_Core_SipHash - * - * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers - */ -class ParagonIE_Sodium_Core_SipHash extends ParagonIE_Sodium_Core_Util -{ - /** - * @internal You should not use this directly from another application - * - * @param int[] $v - * @return int[] - */ - public static function sipRound(array $v) - { - # v0 += v1; - list($v[0], $v[1]) = self::add( - array($v[0], $v[1]), - array($v[2], $v[3]) - ); - - # v1=ROTL(v1,13); - list($v[2], $v[3]) = self::rotl_64($v[2], $v[3], 13); - - # v1 ^= v0; - $v[2] ^= $v[0]; - $v[3] ^= $v[1]; - - # v0=ROTL(v0,32); - list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32); - - # v2 += v3; - list($v[4], $v[5]) = self::add( - array($v[4], $v[5]), - array($v[6], $v[7]) - ); - - # v3=ROTL(v3,16); - list($v[6], $v[7]) = self::rotl_64($v[6], $v[7], 16); - - # v3 ^= v2; - $v[6] ^= $v[4]; - $v[7] ^= $v[5]; - - # v0 += v3; - list($v[0], $v[1]) = self::add( - array((int) $v[0], (int) $v[1]), - array((int) $v[6], (int) $v[7]) - ); - - # v3=ROTL(v3,21); - list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21); - - # v3 ^= v0; - $v[6] ^= $v[0]; - $v[7] ^= $v[1]; - - # v2 += v1; - list($v[4], $v[5]) = self::add( - array((int) $v[4], (int) $v[5]), - array((int) $v[2], (int) $v[3]) - ); - - # v1=ROTL(v1,17); - list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17); - - # v1 ^= v2;; - $v[2] ^= $v[4]; - $v[3] ^= $v[5]; - - # v2=ROTL(v2,32) - list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32); - - return $v; - } - - /** - * Add two 32 bit integers representing a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int[] $a - * @param int[] $b - * @return array<int, mixed> - */ - public static function add(array $a, array $b) - { - /** @var int $x1 */ - $x1 = $a[1] + $b[1]; - /** @var int $c */ - $c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff - /** @var int $x0 */ - $x0 = $a[0] + $b[0] + $c; - return array( - $x0 & 0xffffffff, - $x1 & 0xffffffff - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $int0 - * @param int $int1 - * @param int $c - * @return array<int, mixed> - */ - public static function rotl_64($int0, $int1, $c) - { - $int0 &= 0xffffffff; - $int1 &= 0xffffffff; - $c &= 63; - if ($c === 32) { - return array($int1, $int0); - } - if ($c > 31) { - $tmp = $int1; - $int1 = $int0; - $int0 = $tmp; - $c &= 31; - } - if ($c === 0) { - return array($int0, $int1); - } - return array( - 0xffffffff & ( - ($int0 << $c) - | - ($int1 >> (32 - $c)) - ), - 0xffffffff & ( - ($int1 << $c) - | - ($int0 >> (32 - $c)) - ), - ); - } - - /** - * Implements Siphash-2-4 using only 32-bit numbers. - * - * When we split an int into two, the higher bits go to the lower index. - * e.g. 0xDEADBEEFAB10C92D becomes [ - * 0 => 0xDEADBEEF, - * 1 => 0xAB10C92D - * ]. - * - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sipHash24($in, $key) - { - $inlen = self::strlen($in); - - # /* "somepseudorandomlygeneratedbytes" */ - # u64 v0 = 0x736f6d6570736575ULL; - # u64 v1 = 0x646f72616e646f6dULL; - # u64 v2 = 0x6c7967656e657261ULL; - # u64 v3 = 0x7465646279746573ULL; - $v = array( - 0x736f6d65, // 0 - 0x70736575, // 1 - 0x646f7261, // 2 - 0x6e646f6d, // 3 - 0x6c796765, // 4 - 0x6e657261, // 5 - 0x74656462, // 6 - 0x79746573 // 7 - ); - // v0 => $v[0], $v[1] - // v1 => $v[2], $v[3] - // v2 => $v[4], $v[5] - // v3 => $v[6], $v[7] - - # u64 k0 = LOAD64_LE( k ); - # u64 k1 = LOAD64_LE( k + 8 ); - $k = array( - self::load_4(self::substr($key, 4, 4)), - self::load_4(self::substr($key, 0, 4)), - self::load_4(self::substr($key, 12, 4)), - self::load_4(self::substr($key, 8, 4)) - ); - // k0 => $k[0], $k[1] - // k1 => $k[2], $k[3] - - # b = ( ( u64 )inlen ) << 56; - $b = array( - $inlen << 24, - 0 - ); - // See docblock for why the 0th index gets the higher bits. - - # v3 ^= k1; - $v[6] ^= $k[2]; - $v[7] ^= $k[3]; - # v2 ^= k0; - $v[4] ^= $k[0]; - $v[5] ^= $k[1]; - # v1 ^= k1; - $v[2] ^= $k[2]; - $v[3] ^= $k[3]; - # v0 ^= k0; - $v[0] ^= $k[0]; - $v[1] ^= $k[1]; - - $left = $inlen; - # for ( ; in != end; in += 8 ) - while ($left >= 8) { - # m = LOAD64_LE( in ); - $m = array( - self::load_4(self::substr($in, 4, 4)), - self::load_4(self::substr($in, 0, 4)) - ); - - # v3 ^= m; - $v[6] ^= $m[0]; - $v[7] ^= $m[1]; - - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - - # v0 ^= m; - $v[0] ^= $m[0]; - $v[1] ^= $m[1]; - - $in = self::substr($in, 8); - $left -= 8; - } - - # switch( left ) - # { - # case 7: b |= ( ( u64 )in[ 6] ) << 48; - # case 6: b |= ( ( u64 )in[ 5] ) << 40; - # case 5: b |= ( ( u64 )in[ 4] ) << 32; - # case 4: b |= ( ( u64 )in[ 3] ) << 24; - # case 3: b |= ( ( u64 )in[ 2] ) << 16; - # case 2: b |= ( ( u64 )in[ 1] ) << 8; - # case 1: b |= ( ( u64 )in[ 0] ); break; - # case 0: break; - # } - switch ($left) { - case 7: - $b[0] |= self::chrToInt($in[6]) << 16; - case 6: - $b[0] |= self::chrToInt($in[5]) << 8; - case 5: - $b[0] |= self::chrToInt($in[4]); - case 4: - $b[1] |= self::chrToInt($in[3]) << 24; - case 3: - $b[1] |= self::chrToInt($in[2]) << 16; - case 2: - $b[1] |= self::chrToInt($in[1]) << 8; - case 1: - $b[1] |= self::chrToInt($in[0]); - case 0: - break; - } - // See docblock for why the 0th index gets the higher bits. - - # v3 ^= b; - $v[6] ^= $b[0]; - $v[7] ^= $b[1]; - - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - - # v0 ^= b; - $v[0] ^= $b[0]; - $v[1] ^= $b[1]; - - // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation - # v2 ^= 0xff; - $v[5] ^= 0xff; - - # SIPROUND; - # SIPROUND; - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - $v = self::sipRound($v); - $v = self::sipRound($v); - - # b = v0 ^ v1 ^ v2 ^ v3; - # STORE64_LE( out, b ); - return self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) . - self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Util.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/Util.php deleted file mode 100644 index a5808b1..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/Util.php +++ /dev/null @@ -1,921 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_Util', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Util - */ -abstract class ParagonIE_Sodium_Core_Util -{ - /** - * @param int $integer - * @param int $size (16, 32, 64) - * @return int - */ - public static function abs($integer, $size = 0) - { - /** @var int $realSize */ - $realSize = (PHP_INT_SIZE << 3) - 1; - if ($size) { - --$size; - } else { - /** @var int $size */ - $size = $realSize; - } - - $negative = -(($integer >> $size) & 1); - return (int) ( - ($integer ^ $negative) - + - (($negative >> $realSize) & 1) - ); - } - - /** - * Convert a binary string into a hexadecimal string without cache-timing - * leaks - * - * @internal You should not use this directly from another application - * - * @param string $binaryString (raw binary) - * @return string - * @throws TypeError - */ - public static function bin2hex($binaryString) - { - /* Type checks: */ - if (!is_string($binaryString)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($binaryString) . ' given.'); - } - - $hex = ''; - $len = self::strlen($binaryString); - for ($i = 0; $i < $len; ++$i) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C', $binaryString[$i]); - /** @var int $c */ - $c = $chunk[1] & 0xf; - /** @var int $b */ - $b = $chunk[1] >> 4; - $hex .= pack( - 'CC', - (87 + $b + ((($b - 10) >> 8) & ~38)), - (87 + $c + ((($c - 10) >> 8) & ~38)) - ); - } - return $hex; - } - - /** - * Convert a binary string into a hexadecimal string without cache-timing - * leaks, returning uppercase letters (as per RFC 4648) - * - * @internal You should not use this directly from another application - * - * @param string $bin_string (raw binary) - * @return string - * @throws TypeError - */ - public static function bin2hexUpper($bin_string) - { - $hex = ''; - $len = self::strlen($bin_string); - for ($i = 0; $i < $len; ++$i) { - /** @var array<int, int> $chunk */ - $chunk = unpack('C', $bin_string[$i]); - /** - * Lower 16 bits - * - * @var int $c - */ - $c = $chunk[1] & 0xf; - - /** - * Upper 16 bits - * @var int $b - */ - $b = $chunk[1] >> 4; - - /** - * Use pack() and binary operators to turn the two integers - * into hexadecimal characters. We don't use chr() here, because - * it uses a lookup table internally and we want to avoid - * cache-timing side-channels. - */ - $hex .= pack( - 'CC', - (55 + $b + ((($b - 10) >> 8) & ~6)), - (55 + $c + ((($c - 10) >> 8) & ~6)) - ); - } - return $hex; - } - - /** - * Cache-timing-safe variant of ord() - * - * @internal You should not use this directly from another application - * - * @param string $chr - * @return int - * @throws SodiumException - * @throws TypeError - */ - public static function chrToInt($chr) - { - /* Type checks: */ - if (!is_string($chr)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($chr) . ' given.'); - } - if (self::strlen($chr) !== 1) { - throw new SodiumException('chrToInt() expects a string that is exactly 1 character long'); - } - /** @var array<int, int> $chunk */ - $chunk = unpack('C', $chr); - return (int) ($chunk[1]); - } - - /** - * Compares two strings. - * - * @internal You should not use this directly from another application - * - * @param string $left - * @param string $right - * @param int $len - * @return int - * @throws SodiumException - * @throws TypeError - */ - public static function compare($left, $right, $len = null) - { - $leftLen = self::strlen($left); - $rightLen = self::strlen($right); - if ($len === null) { - $len = max($leftLen, $rightLen); - $left = str_pad($left, $len, "\x00", STR_PAD_RIGHT); - $right = str_pad($right, $len, "\x00", STR_PAD_RIGHT); - } - - $gt = 0; - $eq = 1; - $i = $len; - while ($i !== 0) { - --$i; - $gt |= ((self::chrToInt($right[$i]) - self::chrToInt($left[$i])) >> 8) & $eq; - $eq &= ((self::chrToInt($right[$i]) ^ self::chrToInt($left[$i])) - 1) >> 8; - } - return ($gt + $gt + $eq) - 1; - } - - /** - * If a variable does not match a given type, throw a TypeError. - * - * @param mixed $mixedVar - * @param string $type - * @param int $argumentIndex - * @throws TypeError - * @throws SodiumException - * @return void - */ - public static function declareScalarType(&$mixedVar = null, $type = 'void', $argumentIndex = 0) - { - if (func_num_args() === 0) { - /* Tautology, by default */ - return; - } - if (func_num_args() === 1) { - throw new TypeError('Declared void, but passed a variable'); - } - $realType = strtolower(gettype($mixedVar)); - $type = strtolower($type); - switch ($type) { - case 'null': - if ($mixedVar !== null) { - throw new TypeError('Argument ' . $argumentIndex . ' must be null, ' . $realType . ' given.'); - } - break; - case 'integer': - case 'int': - $allow = array('int', 'integer'); - if (!in_array($type, $allow)) { - throw new TypeError('Argument ' . $argumentIndex . ' must be an integer, ' . $realType . ' given.'); - } - $mixedVar = (int) $mixedVar; - break; - case 'boolean': - case 'bool': - $allow = array('bool', 'boolean'); - if (!in_array($type, $allow)) { - throw new TypeError('Argument ' . $argumentIndex . ' must be a boolean, ' . $realType . ' given.'); - } - $mixedVar = (bool) $mixedVar; - break; - case 'string': - if (!is_string($mixedVar)) { - throw new TypeError('Argument ' . $argumentIndex . ' must be a string, ' . $realType . ' given.'); - } - $mixedVar = (string) $mixedVar; - break; - case 'decimal': - case 'double': - case 'float': - $allow = array('decimal', 'double', 'float'); - if (!in_array($type, $allow)) { - throw new TypeError('Argument ' . $argumentIndex . ' must be a float, ' . $realType . ' given.'); - } - $mixedVar = (float) $mixedVar; - break; - case 'object': - if (!is_object($mixedVar)) { - throw new TypeError('Argument ' . $argumentIndex . ' must be an object, ' . $realType . ' given.'); - } - break; - case 'array': - if (!is_array($mixedVar)) { - if (is_object($mixedVar)) { - if ($mixedVar instanceof ArrayAccess) { - return; - } - } - throw new TypeError('Argument ' . $argumentIndex . ' must be an array, ' . $realType . ' given.'); - } - break; - default: - throw new SodiumException('Unknown type (' . $realType .') does not match expect type (' . $type . ')'); - } - } - - /** - * Evaluate whether or not two strings are equal (in constant-time) - * - * @param string $left - * @param string $right - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function hashEquals($left, $right) - { - /* Type checks: */ - if (!is_string($left)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($left) . ' given.'); - } - if (!is_string($right)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($right) . ' given.'); - } - - if (is_callable('hash_equals')) { - return hash_equals($left, $right); - } - $d = 0; - /** @var int $len */ - $len = self::strlen($left); - if ($len !== self::strlen($right)) { - return false; - } - for ($i = 0; $i < $len; ++$i) { - $d |= self::chrToInt($left[$i]) ^ self::chrToInt($right[$i]); - } - - if ($d !== 0) { - return false; - } - return $left === $right; - } - - /** - * Convert a hexadecimal string into a binary string without cache-timing - * leaks - * - * @internal You should not use this directly from another application - * - * @param string $hexString - * @param bool $strictPadding - * @return string (raw binary) - * @throws RangeException - * @throws TypeError - */ - public static function hex2bin($hexString, $strictPadding = false) - { - /* Type checks: */ - if (!is_string($hexString)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($hexString) . ' given.'); - } - - /** @var int $hex_pos */ - $hex_pos = 0; - /** @var string $bin */ - $bin = ''; - /** @var int $c_acc */ - $c_acc = 0; - /** @var int $hex_len */ - $hex_len = self::strlen($hexString); - /** @var int $state */ - $state = 0; - if (($hex_len & 1) !== 0) { - if ($strictPadding) { - throw new RangeException( - 'Expected an even number of hexadecimal characters' - ); - } else { - $hexString = '0' . $hexString; - ++$hex_len; - } - } - - $chunk = unpack('C*', $hexString); - while ($hex_pos < $hex_len) { - ++$hex_pos; - /** @var int $c */ - $c = $chunk[$hex_pos]; - /** @var int $c_num */ - $c_num = $c ^ 48; - /** @var int $c_num0 */ - $c_num0 = ($c_num - 10) >> 8; - /** @var int $c_alpha */ - $c_alpha = ($c & ~32) - 55; - /** @var int $c_alpha0 */ - $c_alpha0 = (($c_alpha - 10) ^ ($c_alpha - 16)) >> 8; - if (($c_num0 | $c_alpha0) === 0) { - throw new RangeException( - 'hex2bin() only expects hexadecimal characters' - ); - } - /** @var int $c_val */ - $c_val = ($c_num0 & $c_num) | ($c_alpha & $c_alpha0); - if ($state === 0) { - $c_acc = $c_val * 16; - } else { - $bin .= pack('C', $c_acc | $c_val); - } - $state ^= 1; - } - return $bin; - } - - /** - * Turn an array of integers into a string - * - * @internal You should not use this directly from another application - * - * @param array<int, int> $ints - * @return string - */ - public static function intArrayToString(array $ints) - { - /** @var array<int, int> $args */ - $args = $ints; - foreach ($args as $i => $v) { - $args[$i] = (int) ($v & 0xff); - } - array_unshift($args, str_repeat('C', count($ints))); - return (string) (call_user_func_array('pack', $args)); - } - - /** - * Cache-timing-safe variant of ord() - * - * @internal You should not use this directly from another application - * - * @param int $int - * @return string - * @throws TypeError - */ - public static function intToChr($int) - { - return pack('C', $int); - } - - /** - * Load a 3 character substring into an integer - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return int - * @throws RangeException - * @throws TypeError - */ - public static function load_3($string) - { - /* Type checks: */ - if (!is_string($string)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($string) < 3) { - throw new RangeException( - 'String must be 3 bytes or more; ' . self::strlen($string) . ' given.' - ); - } - /** @var array<int, int> $unpacked */ - $unpacked = unpack('V', $string . "\0"); - return (int) ($unpacked[1] & 0xffffff); - } - - /** - * Load a 4 character substring into an integer - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return int - * @throws RangeException - * @throws TypeError - */ - public static function load_4($string) - { - /* Type checks: */ - if (!is_string($string)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($string) < 4) { - throw new RangeException( - 'String must be 4 bytes or more; ' . self::strlen($string) . ' given.' - ); - } - /** @var array<int, int> $unpacked */ - $unpacked = unpack('V', $string); - return (int) ($unpacked[1] & 0xffffffff); - } - - /** - * Load a 8 character substring into an integer - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return int - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function load64_le($string) - { - /* Type checks: */ - if (!is_string($string)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($string) < 4) { - throw new RangeException( - 'String must be 4 bytes or more; ' . self::strlen($string) . ' given.' - ); - } - if (PHP_VERSION_ID >= 50603 && PHP_INT_SIZE === 8) { - /** @var array<int, int> $unpacked */ - $unpacked = unpack('P', $string); - return (int) $unpacked[1]; - } - - /** @var int $result */ - $result = (self::chrToInt($string[0]) & 0xff); - $result |= (self::chrToInt($string[1]) & 0xff) << 8; - $result |= (self::chrToInt($string[2]) & 0xff) << 16; - $result |= (self::chrToInt($string[3]) & 0xff) << 24; - $result |= (self::chrToInt($string[4]) & 0xff) << 32; - $result |= (self::chrToInt($string[5]) & 0xff) << 40; - $result |= (self::chrToInt($string[6]) & 0xff) << 48; - $result |= (self::chrToInt($string[7]) & 0xff) << 56; - return (int) $result; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $left - * @param string $right - * @return int - * @throws SodiumException - * @throws TypeError - */ - public static function memcmp($left, $right) - { - if (self::hashEquals($left, $right)) { - return 0; - } - return -1; - } - - /** - * Multiply two integers in constant-time - * - * Micro-architecture timing side-channels caused by how your CPU - * implements multiplication are best prevented by never using the - * multiplication operators and ensuring that our code always takes - * the same number of operations to complete, regardless of the values - * of $a and $b. - * - * @internal You should not use this directly from another application - * - * @param int $a - * @param int $b - * @param int $size Limits the number of operations (useful for small, - * constant operands) - * @return int - */ - public static function mul($a, $b, $size = 0) - { - if (ParagonIE_Sodium_Compat::$fastMult) { - return (int) ($a * $b); - } - - static $defaultSize = null; - /** @var int $defaultSize */ - if (!$defaultSize) { - /** @var int $defaultSize */ - $defaultSize = (PHP_INT_SIZE << 3) - 1; - } - if ($size < 1) { - /** @var int $size */ - $size = $defaultSize; - } - /** @var int $size */ - - $c = 0; - - /** - * Mask is either -1 or 0. - * - * -1 in binary looks like 0x1111 ... 1111 - * 0 in binary looks like 0x0000 ... 0000 - * - * @var int - */ - $mask = -(($b >> ((int) $defaultSize)) & 1); - - /** - * Ensure $b is a positive integer, without creating - * a branching side-channel - * - * @var int $b - */ - $b = ($b & ~$mask) | ($mask & -$b); - - /** - * Unless $size is provided: - * - * This loop always runs 32 times when PHP_INT_SIZE is 4. - * This loop always runs 64 times when PHP_INT_SIZE is 8. - */ - for ($i = $size; $i >= 0; --$i) { - $c += (int) ($a & -($b & 1)); - $a <<= 1; - $b >>= 1; - } - - /** - * If $b was negative, we then apply the same value to $c here. - * It doesn't matter much if $a was negative; the $c += above would - * have produced a negative integer to begin with. But a negative $b - * makes $b >>= 1 never return 0, so we would end up with incorrect - * results. - * - * The end result is what we'd expect from integer multiplication. - */ - return (int) (($c & ~$mask) | ($mask & -$c)); - } - - /** - * Convert any arbitrary numbers into two 32-bit integers that represent - * a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int|float $num - * @return array<int, int> - */ - public static function numericTo64BitInteger($num) - { - $high = 0; - /** @var int $low */ - $low = $num & 0xffffffff; - - if ((+(abs($num))) >= 1) { - if ($num > 0) { - /** @var int $high */ - $high = min((+(floor($num/4294967296))), 4294967295); - } else { - /** @var int $high */ - $high = ~~((+(ceil(($num - (+((~~($num)))))/4294967296)))); - } - } - return array((int) $high, (int) $low); - } - - /** - * Store a 24-bit integer into a string, treating it as big-endian. - * - * @internal You should not use this directly from another application - * - * @param int $int - * @return string - * @throws TypeError - */ - public static function store_3($int) - { - /* Type checks: */ - if (!is_int($int)) { - if (is_numeric($int)) { - $int = (int) $int; - } else { - throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); - } - } - /** @var string $packed */ - $packed = pack('N', $int); - return self::substr($packed, 1, 3); - } - - /** - * Store a 32-bit integer into a string, treating it as little-endian. - * - * @internal You should not use this directly from another application - * - * @param int $int - * @return string - * @throws TypeError - */ - public static function store32_le($int) - { - /* Type checks: */ - if (!is_int($int)) { - if (is_numeric($int)) { - $int = (int) $int; - } else { - throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); - } - } - - /** @var string $packed */ - $packed = pack('V', $int); - return $packed; - } - - /** - * Store a 32-bit integer into a string, treating it as big-endian. - * - * @internal You should not use this directly from another application - * - * @param int $int - * @return string - * @throws TypeError - */ - public static function store_4($int) - { - /* Type checks: */ - if (!is_int($int)) { - if (is_numeric($int)) { - $int = (int) $int; - } else { - throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); - } - } - - /** @var string $packed */ - $packed = pack('N', $int); - return $packed; - } - - /** - * Stores a 64-bit integer as an string, treating it as little-endian. - * - * @internal You should not use this directly from another application - * - * @param int $int - * @return string - * @throws TypeError - */ - public static function store64_le($int) - { - /* Type checks: */ - if (!is_int($int)) { - if (is_numeric($int)) { - $int = (int) $int; - } else { - throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.'); - } - } - - if (PHP_INT_SIZE === 8) { - if (PHP_VERSION_ID >= 50603) { - /** @var string $packed */ - $packed = pack('P', $int); - return $packed; - } - return self::intToChr($int & 0xff) . - self::intToChr(($int >> 8) & 0xff) . - self::intToChr(($int >> 16) & 0xff) . - self::intToChr(($int >> 24) & 0xff) . - self::intToChr(($int >> 32) & 0xff) . - self::intToChr(($int >> 40) & 0xff) . - self::intToChr(($int >> 48) & 0xff) . - self::intToChr(($int >> 56) & 0xff); - } - if ($int > PHP_INT_MAX) { - list($hiB, $int) = self::numericTo64BitInteger($int); - } else { - $hiB = 0; - } - return - self::intToChr(($int ) & 0xff) . - self::intToChr(($int >> 8) & 0xff) . - self::intToChr(($int >> 16) & 0xff) . - self::intToChr(($int >> 24) & 0xff) . - self::intToChr($hiB & 0xff) . - self::intToChr(($hiB >> 8) & 0xff) . - self::intToChr(($hiB >> 16) & 0xff) . - self::intToChr(($hiB >> 24) & 0xff); - } - - /** - * Safe string length - * - * @internal You should not use this directly from another application - * - * @ref mbstring.func_overload - * - * @param string $str - * @return int - * @throws TypeError - */ - public static function strlen($str) - { - /* Type checks: */ - if (!is_string($str)) { - throw new TypeError('String expected'); - } - - return (int) ( - self::isMbStringOverride() - ? mb_strlen($str, '8bit') - : strlen($str) - ); - } - - /** - * Turn a string into an array of integers - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return array<int, int> - * @throws TypeError - */ - public static function stringToIntArray($string) - { - if (!is_string($string)) { - throw new TypeError('String expected'); - } - /** - * @var array<int, int> - */ - $values = array_values( - unpack('C*', $string) - ); - return $values; - } - - /** - * Safe substring - * - * @internal You should not use this directly from another application - * - * @ref mbstring.func_overload - * - * @param string $str - * @param int $start - * @param int $length - * @return string - * @throws TypeError - */ - public static function substr($str, $start = 0, $length = null) - { - /* Type checks: */ - if (!is_string($str)) { - throw new TypeError('String expected'); - } - - if ($length === 0) { - return ''; - } - - if (self::isMbStringOverride()) { - if (PHP_VERSION_ID < 50400 && $length === null) { - $length = self::strlen($str); - } - $sub = (string) mb_substr($str, $start, $length, '8bit'); - } elseif ($length === null) { - $sub = (string) substr($str, $start); - } else { - $sub = (string) substr($str, $start, $length); - } - if ($sub !== '') { - return $sub; - } - return ''; - } - - /** - * Compare a 16-character byte string in constant time. - * - * @internal You should not use this directly from another application - * - * @param string $a - * @param string $b - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function verify_16($a, $b) - { - /* Type checks: */ - if (!is_string($a)) { - throw new TypeError('String expected'); - } - if (!is_string($b)) { - throw new TypeError('String expected'); - } - return self::hashEquals( - self::substr($a, 0, 16), - self::substr($b, 0, 16) - ); - } - - /** - * Compare a 32-character byte string in constant time. - * - * @internal You should not use this directly from another application - * - * @param string $a - * @param string $b - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function verify_32($a, $b) - { - /* Type checks: */ - if (!is_string($a)) { - throw new TypeError('String expected'); - } - if (!is_string($b)) { - throw new TypeError('String expected'); - } - return self::hashEquals( - self::substr($a, 0, 32), - self::substr($b, 0, 32) - ); - } - - /** - * Calculate $a ^ $b for two strings. - * - * @internal You should not use this directly from another application - * - * @param string $a - * @param string $b - * @return string - * @throws TypeError - */ - public static function xorStrings($a, $b) - { - /* Type checks: */ - if (!is_string($a)) { - throw new TypeError('Argument 1 must be a string'); - } - if (!is_string($b)) { - throw new TypeError('Argument 2 must be a string'); - } - - return (string) ($a ^ $b); - } - - /** - * Returns whether or not mbstring.func_overload is in effect. - * - * @internal You should not use this directly from another application - * - * @return bool - */ - protected static function isMbStringOverride() - { - static $mbstring = null; - - if ($mbstring === null) { - $mbstring = extension_loaded('mbstring') - && - ((int) (ini_get('mbstring.func_overload')) & MB_OVERLOAD_STRING); - } - /** @var bool $mbstring */ - - return $mbstring; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/X25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/X25519.php deleted file mode 100644 index 732bb65..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/X25519.php +++ /dev/null @@ -1,327 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_X25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_X25519 - */ -abstract class ParagonIE_Sodium_Core_X25519 extends ParagonIE_Sodium_Core_Curve25519 -{ - /** - * Alters the objects passed to this method in place. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core_Curve25519_Fe $g - * @param int $b - * @return void - * @psalm-suppress MixedAssignment - */ - public static function fe_cswap( - ParagonIE_Sodium_Core_Curve25519_Fe $f, - ParagonIE_Sodium_Core_Curve25519_Fe $g, - $b = 0 - ) { - $f0 = (int) $f[0]; - $f1 = (int) $f[1]; - $f2 = (int) $f[2]; - $f3 = (int) $f[3]; - $f4 = (int) $f[4]; - $f5 = (int) $f[5]; - $f6 = (int) $f[6]; - $f7 = (int) $f[7]; - $f8 = (int) $f[8]; - $f9 = (int) $f[9]; - $g0 = (int) $g[0]; - $g1 = (int) $g[1]; - $g2 = (int) $g[2]; - $g3 = (int) $g[3]; - $g4 = (int) $g[4]; - $g5 = (int) $g[5]; - $g6 = (int) $g[6]; - $g7 = (int) $g[7]; - $g8 = (int) $g[8]; - $g9 = (int) $g[9]; - $b = -$b; - $x0 = ($f0 ^ $g0) & $b; - $x1 = ($f1 ^ $g1) & $b; - $x2 = ($f2 ^ $g2) & $b; - $x3 = ($f3 ^ $g3) & $b; - $x4 = ($f4 ^ $g4) & $b; - $x5 = ($f5 ^ $g5) & $b; - $x6 = ($f6 ^ $g6) & $b; - $x7 = ($f7 ^ $g7) & $b; - $x8 = ($f8 ^ $g8) & $b; - $x9 = ($f9 ^ $g9) & $b; - $f[0] = $f0 ^ $x0; - $f[1] = $f1 ^ $x1; - $f[2] = $f2 ^ $x2; - $f[3] = $f3 ^ $x3; - $f[4] = $f4 ^ $x4; - $f[5] = $f5 ^ $x5; - $f[6] = $f6 ^ $x6; - $f[7] = $f7 ^ $x7; - $f[8] = $f8 ^ $x8; - $f[9] = $f9 ^ $x9; - $g[0] = $g0 ^ $x0; - $g[1] = $g1 ^ $x1; - $g[2] = $g2 ^ $x2; - $g[3] = $g3 ^ $x3; - $g[4] = $g4 ^ $x4; - $g[5] = $g5 ^ $x5; - $g[6] = $g6 ^ $x6; - $g[7] = $g7 ^ $x7; - $g[8] = $g8 ^ $x8; - $g[9] = $g9 ^ $x9; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function fe_mul121666(ParagonIE_Sodium_Core_Curve25519_Fe $f) - { - $h = array( - self::mul((int) $f[0], 121666, 17), - self::mul((int) $f[1], 121666, 17), - self::mul((int) $f[2], 121666, 17), - self::mul((int) $f[3], 121666, 17), - self::mul((int) $f[4], 121666, 17), - self::mul((int) $f[5], 121666, 17), - self::mul((int) $f[6], 121666, 17), - self::mul((int) $f[7], 121666, 17), - self::mul((int) $f[8], 121666, 17), - self::mul((int) $f[9], 121666, 17) - ); - - /** @var int $carry9 */ - $carry9 = ($h[9] + (1 << 24)) >> 25; - $h[0] += self::mul($carry9, 19, 5); - $h[9] -= $carry9 << 25; - /** @var int $carry1 */ - $carry1 = ($h[1] + (1 << 24)) >> 25; - $h[2] += $carry1; - $h[1] -= $carry1 << 25; - /** @var int $carry3 */ - $carry3 = ($h[3] + (1 << 24)) >> 25; - $h[4] += $carry3; - $h[3] -= $carry3 << 25; - /** @var int $carry5 */ - $carry5 = ($h[5] + (1 << 24)) >> 25; - $h[6] += $carry5; - $h[5] -= $carry5 << 25; - /** @var int $carry7 */ - $carry7 = ($h[7] + (1 << 24)) >> 25; - $h[8] += $carry7; - $h[7] -= $carry7 << 25; - - /** @var int $carry0 */ - $carry0 = ($h[0] + (1 << 25)) >> 26; - $h[1] += $carry0; - $h[0] -= $carry0 << 26; - /** @var int $carry2 */ - $carry2 = ($h[2] + (1 << 25)) >> 26; - $h[3] += $carry2; - $h[2] -= $carry2 << 26; - /** @var int $carry4 */ - $carry4 = ($h[4] + (1 << 25)) >> 26; - $h[5] += $carry4; - $h[4] -= $carry4 << 26; - /** @var int $carry6 */ - $carry6 = ($h[6] + (1 << 25)) >> 26; - $h[7] += $carry6; - $h[6] -= $carry6 << 26; - /** @var int $carry8 */ - $carry8 = ($h[8] + (1 << 25)) >> 26; - $h[9] += $carry8; - $h[8] -= $carry8 << 26; - - foreach ($h as $i => $value) { - $h[$i] = (int) $value; - } - return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h); - } - - /** - * @internal You should not use this directly from another application - * - * Inline comments preceded by # are from libsodium's ref10 code. - * - * @param string $n - * @param string $p - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_scalarmult_curve25519_ref10($n, $p) - { - # for (i = 0;i < 32;++i) e[i] = n[i]; - $e = '' . $n; - # e[0] &= 248; - $e[0] = self::intToChr( - self::chrToInt($e[0]) & 248 - ); - # e[31] &= 127; - # e[31] |= 64; - $e[31] = self::intToChr( - (self::chrToInt($e[31]) & 127) | 64 - ); - # fe_frombytes(x1,p); - $x1 = self::fe_frombytes($p); - # fe_1(x2); - $x2 = self::fe_1(); - # fe_0(z2); - $z2 = self::fe_0(); - # fe_copy(x3,x1); - $x3 = self::fe_copy($x1); - # fe_1(z3); - $z3 = self::fe_1(); - - # swap = 0; - /** @var int $swap */ - $swap = 0; - - # for (pos = 254;pos >= 0;--pos) { - for ($pos = 254; $pos >= 0; --$pos) { - # b = e[pos / 8] >> (pos & 7); - /** @var int $b */ - $b = self::chrToInt( - $e[(int) floor($pos / 8)] - ) >> ($pos & 7); - # b &= 1; - $b &= 1; - # swap ^= b; - $swap ^= $b; - # fe_cswap(x2,x3,swap); - self::fe_cswap($x2, $x3, $swap); - # fe_cswap(z2,z3,swap); - self::fe_cswap($z2, $z3, $swap); - # swap = b; - $swap = $b; - # fe_sub(tmp0,x3,z3); - $tmp0 = self::fe_sub($x3, $z3); - # fe_sub(tmp1,x2,z2); - $tmp1 = self::fe_sub($x2, $z2); - - # fe_add(x2,x2,z2); - $x2 = self::fe_add($x2, $z2); - - # fe_add(z2,x3,z3); - $z2 = self::fe_add($x3, $z3); - - # fe_mul(z3,tmp0,x2); - $z3 = self::fe_mul($tmp0, $x2); - - # fe_mul(z2,z2,tmp1); - $z2 = self::fe_mul($z2, $tmp1); - - # fe_sq(tmp0,tmp1); - $tmp0 = self::fe_sq($tmp1); - - # fe_sq(tmp1,x2); - $tmp1 = self::fe_sq($x2); - - # fe_add(x3,z3,z2); - $x3 = self::fe_add($z3, $z2); - - # fe_sub(z2,z3,z2); - $z2 = self::fe_sub($z3, $z2); - - # fe_mul(x2,tmp1,tmp0); - $x2 = self::fe_mul($tmp1, $tmp0); - - # fe_sub(tmp1,tmp1,tmp0); - $tmp1 = self::fe_sub($tmp1, $tmp0); - - # fe_sq(z2,z2); - $z2 = self::fe_sq($z2); - - # fe_mul121666(z3,tmp1); - $z3 = self::fe_mul121666($tmp1); - - # fe_sq(x3,x3); - $x3 = self::fe_sq($x3); - - # fe_add(tmp0,tmp0,z3); - $tmp0 = self::fe_add($tmp0, $z3); - - # fe_mul(z3,x1,z2); - $z3 = self::fe_mul($x1, $z2); - - # fe_mul(z2,tmp1,tmp0); - $z2 = self::fe_mul($tmp1, $tmp0); - } - - # fe_cswap(x2,x3,swap); - self::fe_cswap($x2, $x3, $swap); - - # fe_cswap(z2,z3,swap); - self::fe_cswap($z2, $z3, $swap); - - # fe_invert(z2,z2); - $z2 = self::fe_invert($z2); - - # fe_mul(x2,x2,z2); - $x2 = self::fe_mul($x2, $z2); - # fe_tobytes(q,x2); - return self::fe_tobytes($x2); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY - * @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ - * @return ParagonIE_Sodium_Core_Curve25519_Fe - */ - public static function edwards_to_montgomery( - ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY, - ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ - ) { - $tempX = self::fe_add($edwardsZ, $edwardsY); - $tempZ = self::fe_sub($edwardsZ, $edwardsY); - $tempZ = self::fe_invert($tempZ); - return self::fe_mul($tempX, $tempZ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $n - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_scalarmult_curve25519_ref10_base($n) - { - # for (i = 0;i < 32;++i) e[i] = n[i]; - $e = '' . $n; - - # e[0] &= 248; - $e[0] = self::intToChr( - self::chrToInt($e[0]) & 248 - ); - - # e[31] &= 127; - # e[31] |= 64; - $e[31] = self::intToChr( - (self::chrToInt($e[31]) & 127) | 64 - ); - - $A = self::ge_scalarmult_base($e); - if ( - !($A->Y instanceof ParagonIE_Sodium_Core_Curve25519_Fe) - || - !($A->Z instanceof ParagonIE_Sodium_Core_Curve25519_Fe) - ) { - throw new TypeError('Null points encountered'); - } - $pk = self::edwards_to_montgomery($A->Y, $A->Z); - return self::fe_tobytes($pk); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/XChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/XChaCha20.php deleted file mode 100644 index 39e717b..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/XChaCha20.php +++ /dev/null @@ -1,117 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_XChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_XChaCha20 - */ -class ParagonIE_Sodium_Core_XChaCha20 extends ParagonIE_Sodium_Core_HChaCha20 -{ - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function stream($len = 64, $nonce = '', $key = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_Ctx( - self::hChaCha20( - self::substr($nonce, 0, 16), - $key - ), - self::substr($nonce, 16, 8) - ), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStream($len = 64, $nonce = '', $key = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_IetfCtx( - self::hChaCha20( - self::substr($nonce, 0, 16), - $key - ), - "\x00\x00\x00\x00" . self::substr($nonce, 16, 8) - ), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_Ctx( - self::hChaCha20(self::substr($nonce, 0, 16), $key), - self::substr($nonce, 16, 8), - $ic - ), - $message - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core_ChaCha20_IetfCtx( - self::hChaCha20(self::substr($nonce, 0, 16), $key), - "\x00\x00\x00\x00" . self::substr($nonce, 16, 8), - $ic - ), - $message - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core/XSalsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core/XSalsa20.php deleted file mode 100644 index 9ef989e..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core/XSalsa20.php +++ /dev/null @@ -1,57 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_XSalsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_XSalsa20 - */ -abstract class ParagonIE_Sodium_Core_XSalsa20 extends ParagonIE_Sodium_Core_HSalsa20 -{ - /** - * Expand a key and nonce into an xsalsa20 keystream. - * - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function xsalsa20($len, $nonce, $key) - { - $ret = self::salsa20( - $len, - self::substr($nonce, 16, 8), - self::hsalsa20($nonce, $key) - ); - return $ret; - } - - /** - * Encrypt a string with XSalsa20. Doesn't provide integrity. - * - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function xsalsa20_xor($message, $nonce, $key) - { - return self::xorStrings( - $message, - self::xsalsa20( - self::strlen($message), - $nonce, - $key - ) - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/BLAKE2b.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/BLAKE2b.php deleted file mode 100644 index 5b30ade..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/BLAKE2b.php +++ /dev/null @@ -1,718 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_BLAKE2b - * - * Based on the work of Devi Mandiri in devi/salt. - */ -abstract class ParagonIE_Sodium_Core32_BLAKE2b extends ParagonIE_Sodium_Core_Util -{ - /** - * @var SplFixedArray - */ - public static $iv; - - /** - * @var array<int, array<int, int>> - */ - public static $sigma = array( - array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), - array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3), - array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4), - array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8), - array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13), - array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9), - array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11), - array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10), - array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5), - array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0), - array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), - array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3) - ); - - const BLOCKBYTES = 128; - const OUTBYTES = 64; - const KEYBYTES = 64; - - /** - * Turn two 32-bit integers into a fixed array representing a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int $high - * @param int $low - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public static function new64($high, $low) - { - return ParagonIE_Sodium_Core32_Int64::fromInts($low, $high); - } - - /** - * Convert an arbitrary number into an SplFixedArray of two 32-bit integers - * that represents a 64-bit integer. - * - * @internal You should not use this directly from another application - * - * @param int $num - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - protected static function to64($num) - { - list($hi, $lo) = self::numericTo64BitInteger($num); - return self::new64($hi, $lo); - } - - /** - * Adds two 64-bit integers together, returning their sum as a SplFixedArray - * containing two 32-bit integers (representing a 64-bit integer). - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Int64 $x - * @param ParagonIE_Sodium_Core32_Int64 $y - * @return ParagonIE_Sodium_Core32_Int64 - */ - protected static function add64($x, $y) - { - return $x->addInt64($y); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Int64 $x - * @param ParagonIE_Sodium_Core32_Int64 $y - * @param ParagonIE_Sodium_Core32_Int64 $z - * @return ParagonIE_Sodium_Core32_Int64 - */ - public static function add364($x, $y, $z) - { - return $x->addInt64($y)->addInt64($z); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Int64 $x - * @param ParagonIE_Sodium_Core32_Int64 $y - * @return ParagonIE_Sodium_Core32_Int64 - * @throws TypeError - */ - public static function xor64(ParagonIE_Sodium_Core32_Int64 $x, ParagonIE_Sodium_Core32_Int64 $y) - { - return $x->xorInt64($y); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Int64 $x - * @param int $c - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public static function rotr64(ParagonIE_Sodium_Core32_Int64 $x, $c) - { - return $x->rotateRight($c); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param int $i - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public static function load64($x, $i) - { - /** @var int $l */ - $l = (int) ($x[$i]) - | ((int) ($x[$i+1]) << 8) - | ((int) ($x[$i+2]) << 16) - | ((int) ($x[$i+3]) << 24); - /** @var int $h */ - $h = (int) ($x[$i+4]) - | ((int) ($x[$i+5]) << 8) - | ((int) ($x[$i+6]) << 16) - | ((int) ($x[$i+7]) << 24); - return self::new64($h, $l); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $x - * @param int $i - * @param ParagonIE_Sodium_Core32_Int64 $u - * @return void - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - */ - public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u) - { - $v = clone $u; - $maxLength = $x->getSize() - 1; - for ($j = 0; $j < 8; ++$j) { - $k = 3 - ($j >> 1); - $x[$i] = $v->limbs[$k] & 0xff; - if (++$i > $maxLength) { - return; - } - $v->limbs[$k] >>= 8; - } - } - - /** - * This just sets the $iv static variable. - * - * @internal You should not use this directly from another application - * - * @return void - * @throws SodiumException - * @throws TypeError - */ - public static function pseudoConstructor() - { - static $called = false; - if ($called) { - return; - } - self::$iv = new SplFixedArray(8); - self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908); - self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b); - self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b); - self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1); - self::$iv[4] = self::new64(0x510e527f, 0xade682d1); - self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f); - self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b); - self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179); - - $called = true; - } - - /** - * Returns a fresh BLAKE2 context. - * - * @internal You should not use this directly from another application - * - * @return SplFixedArray - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @throws SodiumException - * @throws TypeError - */ - protected static function context() - { - $ctx = new SplFixedArray(6); - $ctx[0] = new SplFixedArray(8); // h - $ctx[1] = new SplFixedArray(2); // t - $ctx[2] = new SplFixedArray(2); // f - $ctx[3] = new SplFixedArray(256); // buf - $ctx[4] = 0; // buflen - $ctx[5] = 0; // last_node (uint8_t) - - for ($i = 8; $i--;) { - $ctx[0][$i] = self::$iv[$i]; - } - for ($i = 256; $i--;) { - $ctx[3][$i] = 0; - } - - $zero = self::new64(0, 0); - $ctx[1][0] = $zero; - $ctx[1][1] = $zero; - $ctx[2][0] = $zero; - $ctx[2][1] = $zero; - - return $ctx; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $buf - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedAssignment - */ - protected static function compress(SplFixedArray $ctx, SplFixedArray $buf) - { - $m = new SplFixedArray(16); - $v = new SplFixedArray(16); - - for ($i = 16; $i--;) { - $m[$i] = self::load64($buf, $i << 3); - } - - for ($i = 8; $i--;) { - $v[$i] = $ctx[0][$i]; - } - - $v[ 8] = self::$iv[0]; - $v[ 9] = self::$iv[1]; - $v[10] = self::$iv[2]; - $v[11] = self::$iv[3]; - - $v[12] = self::xor64($ctx[1][0], self::$iv[4]); - $v[13] = self::xor64($ctx[1][1], self::$iv[5]); - $v[14] = self::xor64($ctx[2][0], self::$iv[6]); - $v[15] = self::xor64($ctx[2][1], self::$iv[7]); - - for ($r = 0; $r < 12; ++$r) { - $v = self::G($r, 0, 0, 4, 8, 12, $v, $m); - $v = self::G($r, 1, 1, 5, 9, 13, $v, $m); - $v = self::G($r, 2, 2, 6, 10, 14, $v, $m); - $v = self::G($r, 3, 3, 7, 11, 15, $v, $m); - $v = self::G($r, 4, 0, 5, 10, 15, $v, $m); - $v = self::G($r, 5, 1, 6, 11, 12, $v, $m); - $v = self::G($r, 6, 2, 7, 8, 13, $v, $m); - $v = self::G($r, 7, 3, 4, 9, 14, $v, $m); - } - - for ($i = 8; $i--;) { - $ctx[0][$i] = self::xor64( - $ctx[0][$i], self::xor64($v[$i], $v[$i+8]) - ); - } - } - - /** - * @internal You should not use this directly from another application - * - * @param int $r - * @param int $i - * @param int $a - * @param int $b - * @param int $c - * @param int $d - * @param SplFixedArray $v - * @param SplFixedArray $m - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayOffset - */ - public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m) - { - $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]); - $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32); - $v[$c] = self::add64($v[$c], $v[$d]); - $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24); - $v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]); - $v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16); - $v[$c] = self::add64($v[$c], $v[$d]); - $v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63); - return $v; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param int $inc - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - */ - public static function increment_counter($ctx, $inc) - { - if ($inc < 0) { - throw new SodiumException('Increasing by a negative number makes no sense.'); - } - $t = self::to64($inc); - # S->t is $ctx[1] in our implementation - - # S->t[0] = ( uint64_t )( t >> 0 ); - $ctx[1][0] = self::add64($ctx[1][0], $t); - - # S->t[1] += ( S->t[0] < inc ); - if (!($ctx[1][0] instanceof ParagonIE_Sodium_Core32_Int64)) { - throw new TypeError('Not an int64'); - } - /** @var ParagonIE_Sodium_Core32_Int64 $c*/ - $c = $ctx[1][0]; - if ($c->isLessThanInt($inc)) { - $ctx[1][1] = self::add64($ctx[1][1], self::to64(1)); - } - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $p - * @param int $plen - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedMethodCall - * @psalm-suppress MixedOperand - */ - public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen) - { - self::pseudoConstructor(); - - $offset = 0; - while ($plen > 0) { - $left = $ctx[4]; - $fill = 256 - $left; - - if ($plen > $fill) { - # memcpy( S->buf + left, in, fill ); /* Fill buffer */ - for ($i = $fill; $i--;) { - $ctx[3][$i + $left] = $p[$i + $offset]; - } - - # S->buflen += fill; - $ctx[4] += $fill; - - # blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); - self::increment_counter($ctx, 128); - - # blake2b_compress( S, S->buf ); /* Compress */ - self::compress($ctx, $ctx[3]); - - # memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */ - for ($i = 128; $i--;) { - $ctx[3][$i] = $ctx[3][$i + 128]; - } - - # S->buflen -= BLAKE2B_BLOCKBYTES; - $ctx[4] -= 128; - - # in += fill; - $offset += $fill; - - # inlen -= fill; - $plen -= $fill; - } else { - for ($i = $plen; $i--;) { - $ctx[3][$i + $left] = $p[$i + $offset]; - } - $ctx[4] += $plen; - $offset += $plen; - $plen -= $plen; - } - } - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @param SplFixedArray $out - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedMethodCall - * @psalm-suppress MixedOperand - */ - public static function finish(SplFixedArray $ctx, SplFixedArray $out) - { - self::pseudoConstructor(); - if ($ctx[4] > 128) { - self::increment_counter($ctx, 128); - self::compress($ctx, $ctx[3]); - $ctx[4] -= 128; - if ($ctx[4] > 128) { - throw new SodiumException('Failed to assert that buflen <= 128 bytes'); - } - for ($i = $ctx[4]; $i--;) { - $ctx[3][$i] = $ctx[3][$i + 128]; - } - } - - self::increment_counter($ctx, $ctx[4]); - $ctx[2][0] = self::new64(0xffffffff, 0xffffffff); - - for ($i = 256 - $ctx[4]; $i--;) { - /** @var int $i */ - $ctx[3][$i + $ctx[4]] = 0; - } - - self::compress($ctx, $ctx[3]); - - $i = (int) (($out->getSize() - 1) / 8); - for (; $i >= 0; --$i) { - self::store64($out, $i << 3, $ctx[0][$i]); - } - return $out; - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray|null $key - * @param int $outlen - * @param SplFixedArray|null $salt - * @param SplFixedArray|null $personal - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedMethodCall - */ - public static function init( - $key = null, - $outlen = 64, - $salt = null, - $personal = null - ) { - self::pseudoConstructor(); - $klen = 0; - - if ($key !== null) { - if (count($key) > 64) { - throw new SodiumException('Invalid key size'); - } - $klen = count($key); - } - - if ($outlen > 64) { - throw new SodiumException('Invalid output size'); - } - - $ctx = self::context(); - - $p = new SplFixedArray(64); - // Zero our param buffer... - for ($i = 64; --$i;) { - $p[$i] = 0; - } - - $p[0] = $outlen; // digest_length - $p[1] = $klen; // key_length - $p[2] = 1; // fanout - $p[3] = 1; // depth - - if ($salt instanceof SplFixedArray) { - // salt: [32] through [47] - for ($i = 0; $i < 16; ++$i) { - $p[32 + $i] = (int) $salt[$i]; - } - } - if ($personal instanceof SplFixedArray) { - // personal: [48] through [63] - for ($i = 0; $i < 16; ++$i) { - $p[48 + $i] = (int) $personal[$i]; - } - } - - $ctx[0][0] = self::xor64( - $ctx[0][0], - self::load64($p, 0) - ); - - if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) { - // We need to do what blake2b_init_param() does: - for ($i = 1; $i < 8; ++$i) { - $ctx[0][$i] = self::xor64( - $ctx[0][$i], - self::load64($p, $i << 3) - ); - } - } - - if ($klen > 0 && $key instanceof SplFixedArray) { - $block = new SplFixedArray(128); - for ($i = 128; $i--;) { - $block[$i] = 0; - } - for ($i = $klen; $i--;) { - $block[$i] = $key[$i]; - } - self::update($ctx, $block, 128); - $ctx[4] = 128; - } - - return $ctx; - } - - /** - * Convert a string into an SplFixedArray of integers - * - * @internal You should not use this directly from another application - * - * @param string $str - * @return SplFixedArray - */ - public static function stringToSplFixedArray($str = '') - { - $values = unpack('C*', $str); - return SplFixedArray::fromArray(array_values($values)); - } - - /** - * Convert an SplFixedArray of integers into a string - * - * @internal You should not use this directly from another application - * - * @param SplFixedArray $a - * @return string - */ - public static function SplFixedArrayToString(SplFixedArray $a) - { - /** - * @var array<int, string|int> - */ - $arr = $a->toArray(); - $c = $a->count(); - array_unshift($arr, str_repeat('C', $c)); - return (string) (call_user_func_array('pack', $arr)); - } - - /** - * @internal You should not use this directly from another application - * - * @param SplFixedArray $ctx - * @return string - * @throws TypeError - * @psalm-suppress MixedArgument - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - * @psalm-suppress MixedMethodCall - */ - public static function contextToString(SplFixedArray $ctx) - { - $str = ''; - /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */ - $ctxA = $ctx[0]->toArray(); - - # uint64_t h[8]; - for ($i = 0; $i < 8; ++$i) { - if (!($ctxA[$i] instanceof ParagonIE_Sodium_Core32_Int64)) { - throw new TypeError('Not an instance of Int64'); - } - /** @var ParagonIE_Sodium_Core32_Int64 $ctxAi */ - $ctxAi = $ctxA[$i]; - $str .= $ctxAi->toReverseString(); - } - - # uint64_t t[2]; - # uint64_t f[2]; - for ($i = 1; $i < 3; ++$i) { - /** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */ - $ctxA = $ctx[$i]->toArray(); - /** @var ParagonIE_Sodium_Core32_Int64 $ctxA1 */ - $ctxA1 = $ctxA[0]; - /** @var ParagonIE_Sodium_Core32_Int64 $ctxA2 */ - $ctxA2 = $ctxA[1]; - - $str .= $ctxA1->toReverseString(); - $str .= $ctxA2->toReverseString(); - } - - # uint8_t buf[2 * 128]; - $str .= self::SplFixedArrayToString($ctx[3]); - - /** @var int $ctx4 */ - $ctx4 = $ctx[4]; - - # size_t buflen; - $str .= implode('', array( - self::intToChr($ctx4 & 0xff), - self::intToChr(($ctx4 >> 8) & 0xff), - self::intToChr(($ctx4 >> 16) & 0xff), - self::intToChr(($ctx4 >> 24) & 0xff), - "\x00\x00\x00\x00" - /* - self::intToChr(($ctx4 >> 32) & 0xff), - self::intToChr(($ctx4 >> 40) & 0xff), - self::intToChr(($ctx4 >> 48) & 0xff), - self::intToChr(($ctx4 >> 56) & 0xff) - */ - )); - # uint8_t last_node; - return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23); - } - - /** - * Creates an SplFixedArray containing other SplFixedArray elements, from - * a string (compatible with \Sodium\crypto_generichash_{init, update, final}) - * - * @internal You should not use this directly from another application - * - * @param string $string - * @return SplFixedArray - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayAssignment - */ - public static function stringToContext($string) - { - $ctx = self::context(); - - # uint64_t h[8]; - for ($i = 0; $i < 8; ++$i) { - $ctx[0][$i] = ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($string, (($i << 3) + 0), 8) - ); - } - - # uint64_t t[2]; - # uint64_t f[2]; - for ($i = 1; $i < 3; ++$i) { - $ctx[$i][1] = ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($string, 72 + (($i - 1) << 4), 8) - ); - $ctx[$i][0] = ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($string, 64 + (($i - 1) << 4), 8) - ); - } - - # uint8_t buf[2 * 128]; - $ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256)); - - # uint8_t buf[2 * 128]; - $int = 0; - for ($i = 0; $i < 8; ++$i) { - $int |= self::chrToInt($string[352 + $i]) << ($i << 3); - } - $ctx[4] = $int; - - return $ctx; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20.php deleted file mode 100644 index 6f8c0bf..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20.php +++ /dev/null @@ -1,400 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_ChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_ChaCha20 - */ -class ParagonIE_Sodium_Core32_ChaCha20 extends ParagonIE_Sodium_Core32_Util -{ - /** - * The ChaCha20 quarter round function. Works on four 32-bit integers. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Int32 $a - * @param ParagonIE_Sodium_Core32_Int32 $b - * @param ParagonIE_Sodium_Core32_Int32 $c - * @param ParagonIE_Sodium_Core32_Int32 $d - * @return array<int, ParagonIE_Sodium_Core32_Int32> - * @throws SodiumException - * @throws TypeError - */ - protected static function quarterRound( - ParagonIE_Sodium_Core32_Int32 $a, - ParagonIE_Sodium_Core32_Int32 $b, - ParagonIE_Sodium_Core32_Int32 $c, - ParagonIE_Sodium_Core32_Int32 $d - ) { - /** @var ParagonIE_Sodium_Core32_Int32 $a */ - /** @var ParagonIE_Sodium_Core32_Int32 $b */ - /** @var ParagonIE_Sodium_Core32_Int32 $c */ - /** @var ParagonIE_Sodium_Core32_Int32 $d */ - - # a = PLUS(a,b); d = ROTATE(XOR(d,a),16); - $a = $a->addInt32($b); - $d = $d->xorInt32($a)->rotateLeft(16); - - # c = PLUS(c,d); b = ROTATE(XOR(b,c),12); - $c = $c->addInt32($d); - $b = $b->xorInt32($c)->rotateLeft(12); - - # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); - $a = $a->addInt32($b); - $d = $d->xorInt32($a)->rotateLeft(8); - - # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); - $c = $c->addInt32($d); - $b = $b->xorInt32($c)->rotateLeft(7); - - return array($a, $b, $c, $d); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx - * @param string $message - * - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function encryptBytes( - ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx, - $message = '' - ) { - $bytes = self::strlen($message); - - /** @var ParagonIE_Sodium_Core32_Int32 $x0 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x1 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x2 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x3 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x4 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x5 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x6 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x7 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x8 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x9 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x10 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x11 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x12 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x13 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x14 */ - /** @var ParagonIE_Sodium_Core32_Int32 $x15 */ - - /* - j0 = ctx->input[0]; - j1 = ctx->input[1]; - j2 = ctx->input[2]; - j3 = ctx->input[3]; - j4 = ctx->input[4]; - j5 = ctx->input[5]; - j6 = ctx->input[6]; - j7 = ctx->input[7]; - j8 = ctx->input[8]; - j9 = ctx->input[9]; - j10 = ctx->input[10]; - j11 = ctx->input[11]; - j12 = ctx->input[12]; - j13 = ctx->input[13]; - j14 = ctx->input[14]; - j15 = ctx->input[15]; - */ - /** @var ParagonIE_Sodium_Core32_Int32 $j0 */ - $j0 = $ctx[0]; - /** @var ParagonIE_Sodium_Core32_Int32 $j1 */ - $j1 = $ctx[1]; - /** @var ParagonIE_Sodium_Core32_Int32 $j2 */ - $j2 = $ctx[2]; - /** @var ParagonIE_Sodium_Core32_Int32 $j3 */ - $j3 = $ctx[3]; - /** @var ParagonIE_Sodium_Core32_Int32 $j4 */ - $j4 = $ctx[4]; - /** @var ParagonIE_Sodium_Core32_Int32 $j5 */ - $j5 = $ctx[5]; - /** @var ParagonIE_Sodium_Core32_Int32 $j6 */ - $j6 = $ctx[6]; - /** @var ParagonIE_Sodium_Core32_Int32 $j7 */ - $j7 = $ctx[7]; - /** @var ParagonIE_Sodium_Core32_Int32 $j8 */ - $j8 = $ctx[8]; - /** @var ParagonIE_Sodium_Core32_Int32 $j9 */ - $j9 = $ctx[9]; - /** @var ParagonIE_Sodium_Core32_Int32 $j10 */ - $j10 = $ctx[10]; - /** @var ParagonIE_Sodium_Core32_Int32 $j11 */ - $j11 = $ctx[11]; - /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ - $j12 = $ctx[12]; - /** @var ParagonIE_Sodium_Core32_Int32 $j13 */ - $j13 = $ctx[13]; - /** @var ParagonIE_Sodium_Core32_Int32 $j14 */ - $j14 = $ctx[14]; - /** @var ParagonIE_Sodium_Core32_Int32 $j15 */ - $j15 = $ctx[15]; - - $c = ''; - for (;;) { - if ($bytes < 64) { - $message .= str_repeat("\x00", 64 - $bytes); - } - - $x0 = clone $j0; - $x1 = clone $j1; - $x2 = clone $j2; - $x3 = clone $j3; - $x4 = clone $j4; - $x5 = clone $j5; - $x6 = clone $j6; - $x7 = clone $j7; - $x8 = clone $j8; - $x9 = clone $j9; - $x10 = clone $j10; - $x11 = clone $j11; - $x12 = clone $j12; - $x13 = clone $j13; - $x14 = clone $j14; - $x15 = clone $j15; - - # for (i = 20; i > 0; i -= 2) { - for ($i = 20; $i > 0; $i -= 2) { - # QUARTERROUND( x0, x4, x8, x12) - list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); - - # QUARTERROUND( x1, x5, x9, x13) - list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); - - # QUARTERROUND( x2, x6, x10, x14) - list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); - - # QUARTERROUND( x3, x7, x11, x15) - list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); - - # QUARTERROUND( x0, x5, x10, x15) - list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); - - # QUARTERROUND( x1, x6, x11, x12) - list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); - - # QUARTERROUND( x2, x7, x8, x13) - list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); - - # QUARTERROUND( x3, x4, x9, x14) - list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); - } - /* - x0 = PLUS(x0, j0); - x1 = PLUS(x1, j1); - x2 = PLUS(x2, j2); - x3 = PLUS(x3, j3); - x4 = PLUS(x4, j4); - x5 = PLUS(x5, j5); - x6 = PLUS(x6, j6); - x7 = PLUS(x7, j7); - x8 = PLUS(x8, j8); - x9 = PLUS(x9, j9); - x10 = PLUS(x10, j10); - x11 = PLUS(x11, j11); - x12 = PLUS(x12, j12); - x13 = PLUS(x13, j13); - x14 = PLUS(x14, j14); - x15 = PLUS(x15, j15); - */ - $x0 = $x0->addInt32($j0); - $x1 = $x1->addInt32($j1); - $x2 = $x2->addInt32($j2); - $x3 = $x3->addInt32($j3); - $x4 = $x4->addInt32($j4); - $x5 = $x5->addInt32($j5); - $x6 = $x6->addInt32($j6); - $x7 = $x7->addInt32($j7); - $x8 = $x8->addInt32($j8); - $x9 = $x9->addInt32($j9); - $x10 = $x10->addInt32($j10); - $x11 = $x11->addInt32($j11); - $x12 = $x12->addInt32($j12); - $x13 = $x13->addInt32($j13); - $x14 = $x14->addInt32($j14); - $x15 = $x15->addInt32($j15); - - /* - x0 = XOR(x0, LOAD32_LE(m + 0)); - x1 = XOR(x1, LOAD32_LE(m + 4)); - x2 = XOR(x2, LOAD32_LE(m + 8)); - x3 = XOR(x3, LOAD32_LE(m + 12)); - x4 = XOR(x4, LOAD32_LE(m + 16)); - x5 = XOR(x5, LOAD32_LE(m + 20)); - x6 = XOR(x6, LOAD32_LE(m + 24)); - x7 = XOR(x7, LOAD32_LE(m + 28)); - x8 = XOR(x8, LOAD32_LE(m + 32)); - x9 = XOR(x9, LOAD32_LE(m + 36)); - x10 = XOR(x10, LOAD32_LE(m + 40)); - x11 = XOR(x11, LOAD32_LE(m + 44)); - x12 = XOR(x12, LOAD32_LE(m + 48)); - x13 = XOR(x13, LOAD32_LE(m + 52)); - x14 = XOR(x14, LOAD32_LE(m + 56)); - x15 = XOR(x15, LOAD32_LE(m + 60)); - */ - $x0 = $x0->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))); - $x1 = $x1->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 4, 4))); - $x2 = $x2->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 8, 4))); - $x3 = $x3->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))); - $x4 = $x4->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 16, 4))); - $x5 = $x5->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 20, 4))); - $x6 = $x6->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 24, 4))); - $x7 = $x7->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 28, 4))); - $x8 = $x8->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 32, 4))); - $x9 = $x9->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 36, 4))); - $x10 = $x10->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 40, 4))); - $x11 = $x11->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 44, 4))); - $x12 = $x12->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 48, 4))); - $x13 = $x13->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 52, 4))); - $x14 = $x14->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 56, 4))); - $x15 = $x15->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 60, 4))); - - /* - j12 = PLUSONE(j12); - if (!j12) { - j13 = PLUSONE(j13); - } - */ - /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ - $j12 = $j12->addInt(1); - if ($j12->limbs[0] === 0 && $j12->limbs[1] === 0) { - $j13 = $j13->addInt(1); - } - - /* - STORE32_LE(c + 0, x0); - STORE32_LE(c + 4, x1); - STORE32_LE(c + 8, x2); - STORE32_LE(c + 12, x3); - STORE32_LE(c + 16, x4); - STORE32_LE(c + 20, x5); - STORE32_LE(c + 24, x6); - STORE32_LE(c + 28, x7); - STORE32_LE(c + 32, x8); - STORE32_LE(c + 36, x9); - STORE32_LE(c + 40, x10); - STORE32_LE(c + 44, x11); - STORE32_LE(c + 48, x12); - STORE32_LE(c + 52, x13); - STORE32_LE(c + 56, x14); - STORE32_LE(c + 60, x15); - */ - - $block = $x0->toReverseString() . - $x1->toReverseString() . - $x2->toReverseString() . - $x3->toReverseString() . - $x4->toReverseString() . - $x5->toReverseString() . - $x6->toReverseString() . - $x7->toReverseString() . - $x8->toReverseString() . - $x9->toReverseString() . - $x10->toReverseString() . - $x11->toReverseString() . - $x12->toReverseString() . - $x13->toReverseString() . - $x14->toReverseString() . - $x15->toReverseString(); - - /* Partial block */ - if ($bytes < 64) { - $c .= self::substr($block, 0, $bytes); - break; - } - - /* Full block */ - $c .= $block; - $bytes -= 64; - if ($bytes <= 0) { - break; - } - $message = self::substr($message, 64); - } - /* end for(;;) loop */ - - $ctx[12] = $j12; - $ctx[13] = $j13; - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function stream($len = 64, $nonce = '', $key = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStream($len, $nonce = '', $key = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce, $ic), - $message - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') - { - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce, $ic), - $message - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php deleted file mode 100644 index 3f47d03..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php +++ /dev/null @@ -1,126 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_ChaCha20_Ctx', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_ChaCha20_Ctx - */ -class ParagonIE_Sodium_Core32_ChaCha20_Ctx extends ParagonIE_Sodium_Core32_Util implements ArrayAccess -{ - /** - * @var SplFixedArray internally, <int, ParagonIE_Sodium_Core32_Int32> - */ - protected $container; - - /** - * ParagonIE_Sodium_Core_ChaCha20_Ctx constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key ChaCha20 key. - * @param string $iv Initialization Vector (a.k.a. nonce). - * @param string $counter The initial counter value. - * Defaults to 8 0x00 bytes. - * @throws InvalidArgumentException - * @throws SodiumException - * @throws TypeError - */ - public function __construct($key = '', $iv = '', $counter = '') - { - if (self::strlen($key) !== 32) { - throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.'); - } - if (self::strlen($iv) !== 8) { - throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.'); - } - $this->container = new SplFixedArray(16); - - /* "expand 32-byte k" as per ChaCha20 spec */ - $this->container[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); - $this->container[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); - $this->container[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); - $this->container[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); - - $this->container[4] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)); - $this->container[5] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4)); - $this->container[6] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4)); - $this->container[7] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)); - $this->container[8] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)); - $this->container[9] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)); - $this->container[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)); - $this->container[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)); - - if (empty($counter)) { - $this->container[12] = new ParagonIE_Sodium_Core32_Int32(); - $this->container[13] = new ParagonIE_Sodium_Core32_Int32(); - } else { - $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4)); - $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 4, 4)); - } - $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4)); - $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4)); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @param int|ParagonIE_Sodium_Core32_Int32 $value - * @return void - */ - public function offsetSet($offset, $value) - { - if (!is_int($offset)) { - throw new InvalidArgumentException('Expected an integer'); - } - if ($value instanceof ParagonIE_Sodium_Core32_Int32) { - /* - } elseif (is_int($value)) { - $value = ParagonIE_Sodium_Core32_Int32::fromInt($value); - */ - } else { - throw new InvalidArgumentException('Expected an integer'); - } - $this->container[$offset] = $value; - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return bool - * @psalm-suppress MixedArrayOffset - */ - public function offsetExists($offset) - { - return isset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetUnset($offset) - { - unset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $offset - * @return mixed|null - * @psalm-suppress MixedArrayOffset - */ - public function offsetGet($offset) - { - return isset($this->container[$offset]) - ? $this->container[$offset] - : null; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php deleted file mode 100644 index eea08de..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php +++ /dev/null @@ -1,39 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx - */ -class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core32_ChaCha20_Ctx -{ - /** - * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key ChaCha20 key. - * @param string $iv Initialization Vector (a.k.a. nonce). - * @param string $counter The initial counter value. - * Defaults to 4 0x00 bytes. - * @throws InvalidArgumentException - * @throws SodiumException - * @throws TypeError - */ - public function __construct($key = '', $iv = '', $counter = '') - { - if (self::strlen($iv) !== 12) { - throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.'); - } - parent::__construct($key, self::substr($iv, 0, 8), $counter); - - if (!empty($counter)) { - $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4)); - } - $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4)); - $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4)); - $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 8, 4)); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519.php deleted file mode 100644 index d6d700e..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519.php +++ /dev/null @@ -1,3196 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519 - * - * Implements Curve25519 core functions - * - * Based on the ref10 curve25519 code provided by libsodium - * - * @ref https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c - */ -abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core32_Curve25519_H -{ - /** - * Get a field element of size 10 with a value of 0 - * - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function fe_0() - { - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32() - ) - ); - } - - /** - * Get a field element of size 10 with a value of 1 - * - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function fe_1() - { - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(1), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32(), - new ParagonIE_Sodium_Core32_Int32() - ) - ); - } - - /** - * Add two field elements. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedMethodCall - */ - public static function fe_add( - ParagonIE_Sodium_Core32_Curve25519_Fe $f, - ParagonIE_Sodium_Core32_Curve25519_Fe $g - ) { - $arr = array(); - for ($i = 0; $i < 10; ++$i) { - $arr[$i] = $f[$i]->addInt32($g[$i]); - } - /** @var array<int, ParagonIE_Sodium_Core32_Int32> $arr */ - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($arr); - } - - /** - * Constant-time conditional move. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g - * @param int $b - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedMethodCall - */ - public static function fe_cmov( - ParagonIE_Sodium_Core32_Curve25519_Fe $f, - ParagonIE_Sodium_Core32_Curve25519_Fe $g, - $b = 0 - ) { - /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ - $h = array(); - for ($i = 0; $i < 10; ++$i) { - if (!($f[$i] instanceof ParagonIE_Sodium_Core32_Int32)) { - throw new TypeError('Expected Int32'); - } - if (!($g[$i] instanceof ParagonIE_Sodium_Core32_Int32)) { - throw new TypeError('Expected Int32'); - } - $h[$i] = $f[$i]->xorInt32( - $f[$i]->xorInt32($g[$i])->mask($b) - ); - } - /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h); - } - - /** - * Create a copy of a field element. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public static function fe_copy(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - $h = clone $f; - return $h; - } - - /** - * Give: 32-byte string. - * Receive: A field element object to use for internal calculations. - * - * @internal You should not use this directly from another application - * - * @param string $s - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws RangeException - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedMethodCall - */ - public static function fe_frombytes($s) - { - if (self::strlen($s) !== 32) { - throw new RangeException('Expected a 32-byte string.'); - } - /** @var ParagonIE_Sodium_Core32_Int32 $h0 */ - $h0 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_4($s) - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h1 */ - $h1 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 4, 3)) << 6 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h2 */ - $h2 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 7, 3)) << 5 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h3 */ - $h3 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 10, 3)) << 3 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h4 */ - $h4 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 13, 3)) << 2 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h5 */ - $h5 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_4(self::substr($s, 16, 4)) - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h6 */ - $h6 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 20, 3)) << 7 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h7 */ - $h7 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 23, 3)) << 5 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h8 */ - $h8 = ParagonIE_Sodium_Core32_Int32::fromInt( - self::load_3(self::substr($s, 26, 3)) << 4 - ); - /** @var ParagonIE_Sodium_Core32_Int32 $h9 */ - $h9 = ParagonIE_Sodium_Core32_Int32::fromInt( - (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2 - ); - - $carry9 = $h9->addInt(1 << 24)->shiftRight(25); - $h0 = $h0->addInt32($carry9->mulInt(19, 5)); - $h9 = $h9->subInt32($carry9->shiftLeft(25)); - - $carry1 = $h1->addInt(1 << 24)->shiftRight(25); - $h2 = $h2->addInt32($carry1); - $h1 = $h1->subInt32($carry1->shiftLeft(25)); - - $carry3 = $h3->addInt(1 << 24)->shiftRight(25); - $h4 = $h4->addInt32($carry3); - $h3 = $h3->subInt32($carry3->shiftLeft(25)); - - $carry5 = $h5->addInt(1 << 24)->shiftRight(25); - $h6 = $h6->addInt32($carry5); - $h5 = $h5->subInt32($carry5->shiftLeft(25)); - - $carry7 = $h7->addInt(1 << 24)->shiftRight(25); - $h8 = $h8->addInt32($carry7); - $h7 = $h7->subInt32($carry7->shiftLeft(25)); - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt32($carry0); - $h0 = $h0->subInt32($carry0->shiftLeft(26)); - - $carry2 = $h2->addInt(1 << 25)->shiftRight(26); - $h3 = $h3->addInt32($carry2); - $h2 = $h2->subInt32($carry2->shiftLeft(26)); - - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt32($carry4); - $h4 = $h4->subInt32($carry4->shiftLeft(26)); - - $carry6 = $h6->addInt(1 << 25)->shiftRight(26); - $h7 = $h7->addInt32($carry6); - $h6 = $h6->subInt32($carry6->shiftLeft(26)); - - $carry8 = $h8->addInt(1 << 25)->shiftRight(26); - $h9 = $h9->addInt32($carry8); - $h8 = $h8->subInt32($carry8->shiftLeft(26)); - - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array($h0, $h1, $h2,$h3, $h4, $h5, $h6, $h7, $h8, $h9) - ); - } - - /** - * Convert a field element to a byte string. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $h - * @return string - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedMethodCall - */ - public static function fe_tobytes(ParagonIE_Sodium_Core32_Curve25519_Fe $h) - { - /** - * @var ParagonIE_Sodium_Core32_Int64[] $f - * @var ParagonIE_Sodium_Core32_Int64 $q - */ - $f = array(); - - for ($i = 0; $i < 10; ++$i) { - $f[$i] = $h[$i]->toInt64(); - } - - $q = $f[9]->mulInt(19, 5)->addInt(1 << 14)->shiftRight(25) - ->addInt64($f[0])->shiftRight(26) - ->addInt64($f[1])->shiftRight(25) - ->addInt64($f[2])->shiftRight(26) - ->addInt64($f[3])->shiftRight(25) - ->addInt64($f[4])->shiftRight(26) - ->addInt64($f[5])->shiftRight(25) - ->addInt64($f[6])->shiftRight(26) - ->addInt64($f[7])->shiftRight(25) - ->addInt64($f[8])->shiftRight(26) - ->addInt64($f[9])->shiftRight(25); - - $f[0] = $f[0]->addInt64($q->mulInt(19, 5)); - - $carry0 = $f[0]->shiftRight(26); - $f[1] = $f[1]->addInt64($carry0); - $f[0] = $f[0]->subInt64($carry0->shiftLeft(26)); - - $carry1 = $f[1]->shiftRight(25); - $f[2] = $f[2]->addInt64($carry1); - $f[1] = $f[1]->subInt64($carry1->shiftLeft(25)); - - $carry2 = $f[2]->shiftRight(26); - $f[3] = $f[3]->addInt64($carry2); - $f[2] = $f[2]->subInt64($carry2->shiftLeft(26)); - - $carry3 = $f[3]->shiftRight(25); - $f[4] = $f[4]->addInt64($carry3); - $f[3] = $f[3]->subInt64($carry3->shiftLeft(25)); - - $carry4 = $f[4]->shiftRight(26); - $f[5] = $f[5]->addInt64($carry4); - $f[4] = $f[4]->subInt64($carry4->shiftLeft(26)); - - $carry5 = $f[5]->shiftRight(25); - $f[6] = $f[6]->addInt64($carry5); - $f[5] = $f[5]->subInt64($carry5->shiftLeft(25)); - - $carry6 = $f[6]->shiftRight(26); - $f[7] = $f[7]->addInt64($carry6); - $f[6] = $f[6]->subInt64($carry6->shiftLeft(26)); - - $carry7 = $f[7]->shiftRight(25); - $f[8] = $f[8]->addInt64($carry7); - $f[7] = $f[7]->subInt64($carry7->shiftLeft(25)); - - $carry8 = $f[8]->shiftRight(26); - $f[9] = $f[9]->addInt64($carry8); - $f[8] = $f[8]->subInt64($carry8->shiftLeft(26)); - - $carry9 = $f[9]->shiftRight(25); - $f[9] = $f[9]->subInt64($carry9->shiftLeft(25)); - - /** @var int $h0 */ - $h0 = $f[0]->toInt32()->toInt(); - /** @var int $h1 */ - $h1 = $f[1]->toInt32()->toInt(); - /** @var int $h2 */ - $h2 = $f[2]->toInt32()->toInt(); - /** @var int $h3 */ - $h3 = $f[3]->toInt32()->toInt(); - /** @var int $h4 */ - $h4 = $f[4]->toInt32()->toInt(); - /** @var int $h5 */ - $h5 = $f[5]->toInt32()->toInt(); - /** @var int $h6 */ - $h6 = $f[6]->toInt32()->toInt(); - /** @var int $h7 */ - $h7 = $f[7]->toInt32()->toInt(); - /** @var int $h8 */ - $h8 = $f[8]->toInt32()->toInt(); - /** @var int $h9 */ - $h9 = $f[9]->toInt32()->toInt(); - - /** - * @var array<int, int> - */ - $s = array( - (int) (($h0 >> 0) & 0xff), - (int) (($h0 >> 8) & 0xff), - (int) (($h0 >> 16) & 0xff), - (int) ((($h0 >> 24) | ($h1 << 2)) & 0xff), - (int) (($h1 >> 6) & 0xff), - (int) (($h1 >> 14) & 0xff), - (int) ((($h1 >> 22) | ($h2 << 3)) & 0xff), - (int) (($h2 >> 5) & 0xff), - (int) (($h2 >> 13) & 0xff), - (int) ((($h2 >> 21) | ($h3 << 5)) & 0xff), - (int) (($h3 >> 3) & 0xff), - (int) (($h3 >> 11) & 0xff), - (int) ((($h3 >> 19) | ($h4 << 6)) & 0xff), - (int) (($h4 >> 2) & 0xff), - (int) (($h4 >> 10) & 0xff), - (int) (($h4 >> 18) & 0xff), - (int) (($h5 >> 0) & 0xff), - (int) (($h5 >> 8) & 0xff), - (int) (($h5 >> 16) & 0xff), - (int) ((($h5 >> 24) | ($h6 << 1)) & 0xff), - (int) (($h6 >> 7) & 0xff), - (int) (($h6 >> 15) & 0xff), - (int) ((($h6 >> 23) | ($h7 << 3)) & 0xff), - (int) (($h7 >> 5) & 0xff), - (int) (($h7 >> 13) & 0xff), - (int) ((($h7 >> 21) | ($h8 << 4)) & 0xff), - (int) (($h8 >> 4) & 0xff), - (int) (($h8 >> 12) & 0xff), - (int) ((($h8 >> 20) | ($h9 << 6)) & 0xff), - (int) (($h9 >> 2) & 0xff), - (int) (($h9 >> 10) & 0xff), - (int) (($h9 >> 18) & 0xff) - ); - return self::intArrayToString($s); - } - - /** - * Is a field element negative? (1 = yes, 0 = no. Used in calculations.) - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return int - * @throws SodiumException - * @throws TypeError - */ - public static function fe_isnegative(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - $str = self::fe_tobytes($f); - return (int) (self::chrToInt($str[0]) & 1); - } - - /** - * Returns 0 if this field element results in all NUL bytes. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function fe_isnonzero(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - static $zero; - if ($zero === null) { - $zero = str_repeat("\x00", 32); - } - /** @var string $str */ - $str = self::fe_tobytes($f); - /** @var string $zero */ - return !self::verify_32($str, $zero); - } - - /** - * Multiply two field elements - * - * h = f * g - * - * @internal You should not use this directly from another application - * - * @security Is multiplication a source of timing leaks? If so, can we do - * anything to prevent that from happening? - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function fe_mul( - ParagonIE_Sodium_Core32_Curve25519_Fe $f, - ParagonIE_Sodium_Core32_Curve25519_Fe $g - ) { - /** - * @var ParagonIE_Sodium_Core32_Int32[] $f - * @var ParagonIE_Sodium_Core32_Int32[] $g - * @var ParagonIE_Sodium_Core32_Int64 $f0 - * @var ParagonIE_Sodium_Core32_Int64 $f1 - * @var ParagonIE_Sodium_Core32_Int64 $f2 - * @var ParagonIE_Sodium_Core32_Int64 $f3 - * @var ParagonIE_Sodium_Core32_Int64 $f4 - * @var ParagonIE_Sodium_Core32_Int64 $f5 - * @var ParagonIE_Sodium_Core32_Int64 $f6 - * @var ParagonIE_Sodium_Core32_Int64 $f7 - * @var ParagonIE_Sodium_Core32_Int64 $f8 - * @var ParagonIE_Sodium_Core32_Int64 $f9 - * @var ParagonIE_Sodium_Core32_Int64 $g0 - * @var ParagonIE_Sodium_Core32_Int64 $g1 - * @var ParagonIE_Sodium_Core32_Int64 $g2 - * @var ParagonIE_Sodium_Core32_Int64 $g3 - * @var ParagonIE_Sodium_Core32_Int64 $g4 - * @var ParagonIE_Sodium_Core32_Int64 $g5 - * @var ParagonIE_Sodium_Core32_Int64 $g6 - * @var ParagonIE_Sodium_Core32_Int64 $g7 - * @var ParagonIE_Sodium_Core32_Int64 $g8 - * @var ParagonIE_Sodium_Core32_Int64 $g9 - */ - $f0 = $f[0]->toInt64(); - $f1 = $f[1]->toInt64(); - $f2 = $f[2]->toInt64(); - $f3 = $f[3]->toInt64(); - $f4 = $f[4]->toInt64(); - $f5 = $f[5]->toInt64(); - $f6 = $f[6]->toInt64(); - $f7 = $f[7]->toInt64(); - $f8 = $f[8]->toInt64(); - $f9 = $f[9]->toInt64(); - $g0 = $g[0]->toInt64(); - $g1 = $g[1]->toInt64(); - $g2 = $g[2]->toInt64(); - $g3 = $g[3]->toInt64(); - $g4 = $g[4]->toInt64(); - $g5 = $g[5]->toInt64(); - $g6 = $g[6]->toInt64(); - $g7 = $g[7]->toInt64(); - $g8 = $g[8]->toInt64(); - $g9 = $g[9]->toInt64(); - $g1_19 = $g1->mulInt(19, 5); /* 2^4 <= 19 <= 2^5, but we only want 5 bits */ - $g2_19 = $g2->mulInt(19, 5); - $g3_19 = $g3->mulInt(19, 5); - $g4_19 = $g4->mulInt(19, 5); - $g5_19 = $g5->mulInt(19, 5); - $g6_19 = $g6->mulInt(19, 5); - $g7_19 = $g7->mulInt(19, 5); - $g8_19 = $g8->mulInt(19, 5); - $g9_19 = $g9->mulInt(19, 5); - /** @var ParagonIE_Sodium_Core32_Int64 $f1_2 */ - $f1_2 = $f1->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f3_2 */ - $f3_2 = $f3->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f5_2 */ - $f5_2 = $f5->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f7_2 */ - $f7_2 = $f7->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f9_2 */ - $f9_2 = $f9->shiftLeft(1); - $f0g0 = $f0->mulInt64($g0, 27); - $f0g1 = $f0->mulInt64($g1, 27); - $f0g2 = $f0->mulInt64($g2, 27); - $f0g3 = $f0->mulInt64($g3, 27); - $f0g4 = $f0->mulInt64($g4, 27); - $f0g5 = $f0->mulInt64($g5, 27); - $f0g6 = $f0->mulInt64($g6, 27); - $f0g7 = $f0->mulInt64($g7, 27); - $f0g8 = $f0->mulInt64($g8, 27); - $f0g9 = $f0->mulInt64($g9, 27); - $f1g0 = $f1->mulInt64($g0, 27); - $f1g1_2 = $f1_2->mulInt64($g1, 27); - $f1g2 = $f1->mulInt64($g2, 27); - $f1g3_2 = $f1_2->mulInt64($g3, 27); - $f1g4 = $f1->mulInt64($g4, 30); - $f1g5_2 = $f1_2->mulInt64($g5, 30); - $f1g6 = $f1->mulInt64($g6, 30); - $f1g7_2 = $f1_2->mulInt64($g7, 30); - $f1g8 = $f1->mulInt64($g8, 30); - $f1g9_38 = $g9_19->mulInt64($f1_2, 30); - $f2g0 = $f2->mulInt64($g0, 30); - $f2g1 = $f2->mulInt64($g1, 29); - $f2g2 = $f2->mulInt64($g2, 30); - $f2g3 = $f2->mulInt64($g3, 29); - $f2g4 = $f2->mulInt64($g4, 30); - $f2g5 = $f2->mulInt64($g5, 29); - $f2g6 = $f2->mulInt64($g6, 30); - $f2g7 = $f2->mulInt64($g7, 29); - $f2g8_19 = $g8_19->mulInt64($f2, 30); - $f2g9_19 = $g9_19->mulInt64($f2, 30); - $f3g0 = $f3->mulInt64($g0, 30); - $f3g1_2 = $f3_2->mulInt64($g1, 30); - $f3g2 = $f3->mulInt64($g2, 30); - $f3g3_2 = $f3_2->mulInt64($g3, 30); - $f3g4 = $f3->mulInt64($g4, 30); - $f3g5_2 = $f3_2->mulInt64($g5, 30); - $f3g6 = $f3->mulInt64($g6, 30); - $f3g7_38 = $g7_19->mulInt64($f3_2, 30); - $f3g8_19 = $g8_19->mulInt64($f3, 30); - $f3g9_38 = $g9_19->mulInt64($f3_2, 30); - $f4g0 = $f4->mulInt64($g0, 30); - $f4g1 = $f4->mulInt64($g1, 30); - $f4g2 = $f4->mulInt64($g2, 30); - $f4g3 = $f4->mulInt64($g3, 30); - $f4g4 = $f4->mulInt64($g4, 30); - $f4g5 = $f4->mulInt64($g5, 30); - $f4g6_19 = $g6_19->mulInt64($f4, 30); - $f4g7_19 = $g7_19->mulInt64($f4, 30); - $f4g8_19 = $g8_19->mulInt64($f4, 30); - $f4g9_19 = $g9_19->mulInt64($f4, 30); - $f5g0 = $f5->mulInt64($g0, 30); - $f5g1_2 = $f5_2->mulInt64($g1, 30); - $f5g2 = $f5->mulInt64($g2, 30); - $f5g3_2 = $f5_2->mulInt64($g3, 30); - $f5g4 = $f5->mulInt64($g4, 30); - $f5g5_38 = $g5_19->mulInt64($f5_2, 30); - $f5g6_19 = $g6_19->mulInt64($f5, 30); - $f5g7_38 = $g7_19->mulInt64($f5_2, 30); - $f5g8_19 = $g8_19->mulInt64($f5, 30); - $f5g9_38 = $g9_19->mulInt64($f5_2, 30); - $f6g0 = $f6->mulInt64($g0, 30); - $f6g1 = $f6->mulInt64($g1, 30); - $f6g2 = $f6->mulInt64($g2, 30); - $f6g3 = $f6->mulInt64($g3, 30); - $f6g4_19 = $g4_19->mulInt64($f6, 30); - $f6g5_19 = $g5_19->mulInt64($f6, 30); - $f6g6_19 = $g6_19->mulInt64($f6, 30); - $f6g7_19 = $g7_19->mulInt64($f6, 30); - $f6g8_19 = $g8_19->mulInt64($f6, 30); - $f6g9_19 = $g9_19->mulInt64($f6, 30); - $f7g0 = $f7->mulInt64($g0, 30); - $f7g1_2 = $g1->mulInt64($f7_2, 30); - $f7g2 = $f7->mulInt64($g2, 30); - $f7g3_38 = $g3_19->mulInt64($f7_2, 30); - $f7g4_19 = $g4_19->mulInt64($f7, 30); - $f7g5_38 = $g5_19->mulInt64($f7_2, 30); - $f7g6_19 = $g6_19->mulInt64($f7, 30); - $f7g7_38 = $g7_19->mulInt64($f7_2, 30); - $f7g8_19 = $g8_19->mulInt64($f7, 30); - $f7g9_38 = $g9_19->mulInt64($f7_2, 30); - $f8g0 = $f8->mulInt64($g0, 30); - $f8g1 = $f8->mulInt64($g1, 29); - $f8g2_19 = $g2_19->mulInt64($f8, 30); - $f8g3_19 = $g3_19->mulInt64($f8, 30); - $f8g4_19 = $g4_19->mulInt64($f8, 30); - $f8g5_19 = $g5_19->mulInt64($f8, 30); - $f8g6_19 = $g6_19->mulInt64($f8, 30); - $f8g7_19 = $g7_19->mulInt64($f8, 30); - $f8g8_19 = $g8_19->mulInt64($f8, 30); - $f8g9_19 = $g9_19->mulInt64($f8, 30); - $f9g0 = $f9->mulInt64($g0, 30); - $f9g1_38 = $g1_19->mulInt64($f9_2, 30); - $f9g2_19 = $g2_19->mulInt64($f9, 30); - $f9g3_38 = $g3_19->mulInt64($f9_2, 30); - $f9g4_19 = $g4_19->mulInt64($f9, 30); - $f9g5_38 = $g5_19->mulInt64($f9_2, 30); - $f9g6_19 = $g6_19->mulInt64($f9, 30); - $f9g7_38 = $g7_19->mulInt64($f9_2, 30); - $f9g8_19 = $g8_19->mulInt64($f9, 30); - $f9g9_38 = $g9_19->mulInt64($f9_2, 30); - - // $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38; - $h0 = $f0g0->addInt64($f1g9_38)->addInt64($f2g8_19)->addInt64($f3g7_38) - ->addInt64($f4g6_19)->addInt64($f5g5_38)->addInt64($f6g4_19) - ->addInt64($f7g3_38)->addInt64($f8g2_19)->addInt64($f9g1_38); - - // $h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19; - $h1 = $f0g1->addInt64($f1g0)->addInt64($f2g9_19)->addInt64($f3g8_19) - ->addInt64($f4g7_19)->addInt64($f5g6_19)->addInt64($f6g5_19) - ->addInt64($f7g4_19)->addInt64($f8g3_19)->addInt64($f9g2_19); - - // $h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38; - $h2 = $f0g2->addInt64($f1g1_2)->addInt64($f2g0)->addInt64($f3g9_38) - ->addInt64($f4g8_19)->addInt64($f5g7_38)->addInt64($f6g6_19) - ->addInt64($f7g5_38)->addInt64($f8g4_19)->addInt64($f9g3_38); - - // $h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19; - $h3 = $f0g3->addInt64($f1g2)->addInt64($f2g1)->addInt64($f3g0) - ->addInt64($f4g9_19)->addInt64($f5g8_19)->addInt64($f6g7_19) - ->addInt64($f7g6_19)->addInt64($f8g5_19)->addInt64($f9g4_19); - - // $h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38; - $h4 = $f0g4->addInt64($f1g3_2)->addInt64($f2g2)->addInt64($f3g1_2) - ->addInt64($f4g0)->addInt64($f5g9_38)->addInt64($f6g8_19) - ->addInt64($f7g7_38)->addInt64($f8g6_19)->addInt64($f9g5_38); - - // $h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19; - $h5 = $f0g5->addInt64($f1g4)->addInt64($f2g3)->addInt64($f3g2) - ->addInt64($f4g1)->addInt64($f5g0)->addInt64($f6g9_19) - ->addInt64($f7g8_19)->addInt64($f8g7_19)->addInt64($f9g6_19); - - // $h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38; - $h6 = $f0g6->addInt64($f1g5_2)->addInt64($f2g4)->addInt64($f3g3_2) - ->addInt64($f4g2)->addInt64($f5g1_2)->addInt64($f6g0) - ->addInt64($f7g9_38)->addInt64($f8g8_19)->addInt64($f9g7_38); - - // $h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19; - $h7 = $f0g7->addInt64($f1g6)->addInt64($f2g5)->addInt64($f3g4) - ->addInt64($f4g3)->addInt64($f5g2)->addInt64($f6g1) - ->addInt64($f7g0)->addInt64($f8g9_19)->addInt64($f9g8_19); - - // $h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38; - $h8 = $f0g8->addInt64($f1g7_2)->addInt64($f2g6)->addInt64($f3g5_2) - ->addInt64($f4g4)->addInt64($f5g3_2)->addInt64($f6g2) - ->addInt64($f7g1_2)->addInt64($f8g0)->addInt64($f9g9_38); - - // $h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ; - $h9 = $f0g9->addInt64($f1g8)->addInt64($f2g7)->addInt64($f3g6) - ->addInt64($f4g5)->addInt64($f5g4)->addInt64($f6g3) - ->addInt64($f7g2)->addInt64($f8g1)->addInt64($f9g0); - - /** - * @var ParagonIE_Sodium_Core32_Int64 $h0 - * @var ParagonIE_Sodium_Core32_Int64 $h1 - * @var ParagonIE_Sodium_Core32_Int64 $h2 - * @var ParagonIE_Sodium_Core32_Int64 $h3 - * @var ParagonIE_Sodium_Core32_Int64 $h4 - * @var ParagonIE_Sodium_Core32_Int64 $h5 - * @var ParagonIE_Sodium_Core32_Int64 $h6 - * @var ParagonIE_Sodium_Core32_Int64 $h7 - * @var ParagonIE_Sodium_Core32_Int64 $h8 - * @var ParagonIE_Sodium_Core32_Int64 $h9 - * @var ParagonIE_Sodium_Core32_Int64 $carry0 - * @var ParagonIE_Sodium_Core32_Int64 $carry1 - * @var ParagonIE_Sodium_Core32_Int64 $carry2 - * @var ParagonIE_Sodium_Core32_Int64 $carry3 - * @var ParagonIE_Sodium_Core32_Int64 $carry4 - * @var ParagonIE_Sodium_Core32_Int64 $carry5 - * @var ParagonIE_Sodium_Core32_Int64 $carry6 - * @var ParagonIE_Sodium_Core32_Int64 $carry7 - * @var ParagonIE_Sodium_Core32_Int64 $carry8 - * @var ParagonIE_Sodium_Core32_Int64 $carry9 - */ - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - - $carry1 = $h1->addInt(1 << 24)->shiftRight(25); - $h2 = $h2->addInt64($carry1); - $h1 = $h1->subInt64($carry1->shiftLeft(25)); - $carry5 = $h5->addInt(1 << 24)->shiftRight(25); - $h6 = $h6->addInt64($carry5); - $h5 = $h5->subInt64($carry5->shiftLeft(25)); - - $carry2 = $h2->addInt(1 << 25)->shiftRight(26); - $h3 = $h3->addInt64($carry2); - $h2 = $h2->subInt64($carry2->shiftLeft(26)); - $carry6 = $h6->addInt(1 << 25)->shiftRight(26); - $h7 = $h7->addInt64($carry6); - $h6 = $h6->subInt64($carry6->shiftLeft(26)); - - $carry3 = $h3->addInt(1 << 24)->shiftRight(25); - $h4 = $h4->addInt64($carry3); - $h3 = $h3->subInt64($carry3->shiftLeft(25)); - $carry7 = $h7->addInt(1 << 24)->shiftRight(25); - $h8 = $h8->addInt64($carry7); - $h7 = $h7->subInt64($carry7->shiftLeft(25)); - - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - $carry8 = $h8->addInt(1 << 25)->shiftRight(26); - $h9 = $h9->addInt64($carry8); - $h8 = $h8->subInt64($carry8->shiftLeft(26)); - - $carry9 = $h9->addInt(1 << 24)->shiftRight(25); - $h0 = $h0->addInt64($carry9->mulInt(19, 5)); - $h9 = $h9->subInt64($carry9->shiftLeft(25)); - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - $h0->toInt32(), - $h1->toInt32(), - $h2->toInt32(), - $h3->toInt32(), - $h4->toInt32(), - $h5->toInt32(), - $h6->toInt32(), - $h7->toInt32(), - $h8->toInt32(), - $h9->toInt32() - ) - ); - } - - /** - * Get the negative values for each piece of the field element. - * - * h = -f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedMethodCall - */ - public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - $h = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - for ($i = 0; $i < 10; ++$i) { - $h[$i] = $h[$i]->subInt32($f[$i]); - } - return $h; - } - - /** - * Square a field element - * - * h = f * f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedMethodCall - */ - public static function fe_sq(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - /** @var ParagonIE_Sodium_Core32_Int64 $f0 */ - $f0 = $f[0]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f1 */ - $f1 = $f[1]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f2 */ - $f2 = $f[2]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f3 */ - $f3 = $f[3]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f4 */ - $f4 = $f[4]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f5 */ - $f5 = $f[5]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f6 */ - $f6 = $f[6]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f7 */ - $f7 = $f[7]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f8 */ - $f8 = $f[8]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f9 */ - $f9 = $f[9]->toInt64(); - - /** @var ParagonIE_Sodium_Core32_Int64 $f0_2 */ - $f0_2 = $f0->shiftLeft(1); - $f1_2 = $f1->shiftLeft(1); - $f2_2 = $f2->shiftLeft(1); - $f3_2 = $f3->shiftLeft(1); - $f4_2 = $f4->shiftLeft(1); - $f5_2 = $f5->shiftLeft(1); - $f6_2 = $f6->shiftLeft(1); - $f7_2 = $f7->shiftLeft(1); - $f5_38 = $f5->mulInt(38, 6); - $f6_19 = $f6->mulInt(19, 5); - $f7_38 = $f7->mulInt(38, 6); - $f8_19 = $f8->mulInt(19, 5); - $f9_38 = $f9->mulInt(38, 6); - /** @var ParagonIE_Sodium_Core32_Int64 $f0f0*/ - $f0f0 = $f0->mulInt64($f0, 28); - $f0f1_2 = $f0_2->mulInt64($f1, 28); - $f0f2_2 = $f0_2->mulInt64($f2, 28); - $f0f3_2 = $f0_2->mulInt64($f3, 28); - $f0f4_2 = $f0_2->mulInt64($f4, 28); - $f0f5_2 = $f0_2->mulInt64($f5, 28); - $f0f6_2 = $f0_2->mulInt64($f6, 28); - $f0f7_2 = $f0_2->mulInt64($f7, 28); - $f0f8_2 = $f0_2->mulInt64($f8, 28); - $f0f9_2 = $f0_2->mulInt64($f9, 28); - - $f1f1_2 = $f1_2->mulInt64($f1, 28); - $f1f2_2 = $f1_2->mulInt64($f2, 28); - $f1f3_4 = $f1_2->mulInt64($f3_2, 28); - $f1f4_2 = $f1_2->mulInt64($f4, 28); - $f1f5_4 = $f1_2->mulInt64($f5_2, 30); - $f1f6_2 = $f1_2->mulInt64($f6, 28); - $f1f7_4 = $f1_2->mulInt64($f7_2, 28); - $f1f8_2 = $f1_2->mulInt64($f8, 28); - $f1f9_76 = $f9_38->mulInt64($f1_2, 30); - - $f2f2 = $f2->mulInt64($f2, 28); - $f2f3_2 = $f2_2->mulInt64($f3, 28); - $f2f4_2 = $f2_2->mulInt64($f4, 28); - $f2f5_2 = $f2_2->mulInt64($f5, 28); - $f2f6_2 = $f2_2->mulInt64($f6, 28); - $f2f7_2 = $f2_2->mulInt64($f7, 28); - $f2f8_38 = $f8_19->mulInt64($f2_2, 30); - $f2f9_38 = $f9_38->mulInt64($f2, 30); - - $f3f3_2 = $f3_2->mulInt64($f3, 28); - $f3f4_2 = $f3_2->mulInt64($f4, 28); - $f3f5_4 = $f3_2->mulInt64($f5_2, 30); - $f3f6_2 = $f3_2->mulInt64($f6, 28); - $f3f7_76 = $f7_38->mulInt64($f3_2, 30); - $f3f8_38 = $f8_19->mulInt64($f3_2, 30); - $f3f9_76 = $f9_38->mulInt64($f3_2, 30); - - $f4f4 = $f4->mulInt64($f4, 28); - $f4f5_2 = $f4_2->mulInt64($f5, 28); - $f4f6_38 = $f6_19->mulInt64($f4_2, 30); - $f4f7_38 = $f7_38->mulInt64($f4, 30); - $f4f8_38 = $f8_19->mulInt64($f4_2, 30); - $f4f9_38 = $f9_38->mulInt64($f4, 30); - - $f5f5_38 = $f5_38->mulInt64($f5, 30); - $f5f6_38 = $f6_19->mulInt64($f5_2, 30); - $f5f7_76 = $f7_38->mulInt64($f5_2, 30); - $f5f8_38 = $f8_19->mulInt64($f5_2, 30); - $f5f9_76 = $f9_38->mulInt64($f5_2, 30); - - $f6f6_19 = $f6_19->mulInt64($f6, 30); - $f6f7_38 = $f7_38->mulInt64($f6, 30); - $f6f8_38 = $f8_19->mulInt64($f6_2, 30); - $f6f9_38 = $f9_38->mulInt64($f6, 30); - - $f7f7_38 = $f7_38->mulInt64($f7, 28); - $f7f8_38 = $f8_19->mulInt64($f7_2, 30); - $f7f9_76 = $f9_38->mulInt64($f7_2, 30); - - $f8f8_19 = $f8_19->mulInt64($f8, 30); - $f8f9_38 = $f9_38->mulInt64($f8, 30); - - $f9f9_38 = $f9_38->mulInt64($f9, 28); - - $h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38); - $h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38); - $h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19); - $h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38); - $h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38); - $h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38); - $h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19); - $h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38); - $h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38); - $h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2); - - /** - * @var ParagonIE_Sodium_Core32_Int64 $h0 - * @var ParagonIE_Sodium_Core32_Int64 $h1 - * @var ParagonIE_Sodium_Core32_Int64 $h2 - * @var ParagonIE_Sodium_Core32_Int64 $h3 - * @var ParagonIE_Sodium_Core32_Int64 $h4 - * @var ParagonIE_Sodium_Core32_Int64 $h5 - * @var ParagonIE_Sodium_Core32_Int64 $h6 - * @var ParagonIE_Sodium_Core32_Int64 $h7 - * @var ParagonIE_Sodium_Core32_Int64 $h8 - * @var ParagonIE_Sodium_Core32_Int64 $h9 - */ - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - - $carry1 = $h1->addInt(1 << 24)->shiftRight(25); - $h2 = $h2->addInt64($carry1); - $h1 = $h1->subInt64($carry1->shiftLeft(25)); - - $carry5 = $h5->addInt(1 << 24)->shiftRight(25); - $h6 = $h6->addInt64($carry5); - $h5 = $h5->subInt64($carry5->shiftLeft(25)); - - $carry2 = $h2->addInt(1 << 25)->shiftRight(26); - $h3 = $h3->addInt64($carry2); - $h2 = $h2->subInt64($carry2->shiftLeft(26)); - - $carry6 = $h6->addInt(1 << 25)->shiftRight(26); - $h7 = $h7->addInt64($carry6); - $h6 = $h6->subInt64($carry6->shiftLeft(26)); - - $carry3 = $h3->addInt(1 << 24)->shiftRight(25); - $h4 = $h4->addInt64($carry3); - $h3 = $h3->subInt64($carry3->shiftLeft(25)); - - $carry7 = $h7->addInt(1 << 24)->shiftRight(25); - $h8 = $h8->addInt64($carry7); - $h7 = $h7->subInt64($carry7->shiftLeft(25)); - - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - - $carry8 = $h8->addInt(1 << 25)->shiftRight(26); - $h9 = $h9->addInt64($carry8); - $h8 = $h8->subInt64($carry8->shiftLeft(26)); - - $carry9 = $h9->addInt(1 << 24)->shiftRight(25); - $h0 = $h0->addInt64($carry9->mulInt(19, 5)); - $h9 = $h9->subInt64($carry9->shiftLeft(25)); - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - $h0->toInt32(), - $h1->toInt32(), - $h2->toInt32(), - $h3->toInt32(), - $h4->toInt32(), - $h5->toInt32(), - $h6->toInt32(), - $h7->toInt32(), - $h8->toInt32(), - $h9->toInt32() - ) - ); - } - - /** - * Square and double a field element - * - * h = 2 * f * f - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedMethodCall - */ - public static function fe_sq2(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - /** @var ParagonIE_Sodium_Core32_Int64 $f0 */ - $f0 = $f[0]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f1 */ - $f1 = $f[1]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f2 */ - $f2 = $f[2]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f3 */ - $f3 = $f[3]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f4 */ - $f4 = $f[4]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f5 */ - $f5 = $f[5]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f6 */ - $f6 = $f[6]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f7 */ - $f7 = $f[7]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f8 */ - $f8 = $f[8]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f9 */ - $f9 = $f[9]->toInt64(); - - $f0_2 = $f0->shiftLeft(1); - $f1_2 = $f1->shiftLeft(1); - $f2_2 = $f2->shiftLeft(1); - $f3_2 = $f3->shiftLeft(1); - $f4_2 = $f4->shiftLeft(1); - $f5_2 = $f5->shiftLeft(1); - $f6_2 = $f6->shiftLeft(1); - $f7_2 = $f7->shiftLeft(1); - $f5_38 = $f5->mulInt(38, 6); /* 1.959375*2^30 */ - $f6_19 = $f6->mulInt(19, 5); /* 1.959375*2^30 */ - $f7_38 = $f7->mulInt(38, 6); /* 1.959375*2^30 */ - $f8_19 = $f8->mulInt(19, 5); /* 1.959375*2^30 */ - $f9_38 = $f9->mulInt(38, 6); /* 1.959375*2^30 */ - $f0f0 = $f0->mulInt64($f0, 28); - $f0f1_2 = $f0_2->mulInt64($f1, 28); - $f0f2_2 = $f0_2->mulInt64($f2, 28); - $f0f3_2 = $f0_2->mulInt64($f3, 28); - $f0f4_2 = $f0_2->mulInt64($f4, 28); - $f0f5_2 = $f0_2->mulInt64($f5, 28); - $f0f6_2 = $f0_2->mulInt64($f6, 28); - $f0f7_2 = $f0_2->mulInt64($f7, 28); - $f0f8_2 = $f0_2->mulInt64($f8, 28); - $f0f9_2 = $f0_2->mulInt64($f9, 28); - $f1f1_2 = $f1_2->mulInt64($f1, 28); - $f1f2_2 = $f1_2->mulInt64($f2, 28); - $f1f3_4 = $f1_2->mulInt64($f3_2, 29); - $f1f4_2 = $f1_2->mulInt64($f4, 28); - $f1f5_4 = $f1_2->mulInt64($f5_2, 29); - $f1f6_2 = $f1_2->mulInt64($f6, 28); - $f1f7_4 = $f1_2->mulInt64($f7_2, 29); - $f1f8_2 = $f1_2->mulInt64($f8, 28); - $f1f9_76 = $f9_38->mulInt64($f1_2, 29); - $f2f2 = $f2->mulInt64($f2, 28); - $f2f3_2 = $f2_2->mulInt64($f3, 28); - $f2f4_2 = $f2_2->mulInt64($f4, 28); - $f2f5_2 = $f2_2->mulInt64($f5, 28); - $f2f6_2 = $f2_2->mulInt64($f6, 28); - $f2f7_2 = $f2_2->mulInt64($f7, 28); - $f2f8_38 = $f8_19->mulInt64($f2_2, 29); - $f2f9_38 = $f9_38->mulInt64($f2, 29); - $f3f3_2 = $f3_2->mulInt64($f3, 28); - $f3f4_2 = $f3_2->mulInt64($f4, 28); - $f3f5_4 = $f3_2->mulInt64($f5_2, 28); - $f3f6_2 = $f3_2->mulInt64($f6, 28); - $f3f7_76 = $f7_38->mulInt64($f3_2, 29); - $f3f8_38 = $f8_19->mulInt64($f3_2, 29); - $f3f9_76 = $f9_38->mulInt64($f3_2, 29); - $f4f4 = $f4->mulInt64($f4, 28); - $f4f5_2 = $f4_2->mulInt64($f5, 28); - $f4f6_38 = $f6_19->mulInt64($f4_2, 29); - $f4f7_38 = $f7_38->mulInt64($f4, 29); - $f4f8_38 = $f8_19->mulInt64($f4_2, 29); - $f4f9_38 = $f9_38->mulInt64($f4, 29); - $f5f5_38 = $f5_38->mulInt64($f5, 29); - $f5f6_38 = $f6_19->mulInt64($f5_2, 29); - $f5f7_76 = $f7_38->mulInt64($f5_2, 29); - $f5f8_38 = $f8_19->mulInt64($f5_2, 29); - $f5f9_76 = $f9_38->mulInt64($f5_2, 29); - $f6f6_19 = $f6_19->mulInt64($f6, 29); - $f6f7_38 = $f7_38->mulInt64($f6, 29); - $f6f8_38 = $f8_19->mulInt64($f6_2, 29); - $f6f9_38 = $f9_38->mulInt64($f6, 29); - $f7f7_38 = $f7_38->mulInt64($f7, 29); - $f7f8_38 = $f8_19->mulInt64($f7_2, 29); - $f7f9_76 = $f9_38->mulInt64($f7_2, 29); - $f8f8_19 = $f8_19->mulInt64($f8, 29); - $f8f9_38 = $f9_38->mulInt64($f8, 29); - $f9f9_38 = $f9_38->mulInt64($f9, 29); - - $h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38); - $h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38); - $h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19); - $h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38); - $h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38); - $h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38); - $h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19); - $h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38); - $h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38); - $h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2); - - /** - * @var ParagonIE_Sodium_Core32_Int64 $h0 - * @var ParagonIE_Sodium_Core32_Int64 $h1 - * @var ParagonIE_Sodium_Core32_Int64 $h2 - * @var ParagonIE_Sodium_Core32_Int64 $h3 - * @var ParagonIE_Sodium_Core32_Int64 $h4 - * @var ParagonIE_Sodium_Core32_Int64 $h5 - * @var ParagonIE_Sodium_Core32_Int64 $h6 - * @var ParagonIE_Sodium_Core32_Int64 $h7 - * @var ParagonIE_Sodium_Core32_Int64 $h8 - * @var ParagonIE_Sodium_Core32_Int64 $h9 - */ - $h0 = $h0->shiftLeft(1); - $h1 = $h1->shiftLeft(1); - $h2 = $h2->shiftLeft(1); - $h3 = $h3->shiftLeft(1); - $h4 = $h4->shiftLeft(1); - $h5 = $h5->shiftLeft(1); - $h6 = $h6->shiftLeft(1); - $h7 = $h7->shiftLeft(1); - $h8 = $h8->shiftLeft(1); - $h9 = $h9->shiftLeft(1); - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - - $carry1 = $h1->addInt(1 << 24)->shiftRight(25); - $h2 = $h2->addInt64($carry1); - $h1 = $h1->subInt64($carry1->shiftLeft(25)); - $carry5 = $h5->addInt(1 << 24)->shiftRight(25); - $h6 = $h6->addInt64($carry5); - $h5 = $h5->subInt64($carry5->shiftLeft(25)); - - $carry2 = $h2->addInt(1 << 25)->shiftRight(26); - $h3 = $h3->addInt64($carry2); - $h2 = $h2->subInt64($carry2->shiftLeft(26)); - $carry6 = $h6->addInt(1 << 25)->shiftRight(26); - $h7 = $h7->addInt64($carry6); - $h6 = $h6->subInt64($carry6->shiftLeft(26)); - - $carry3 = $h3->addInt(1 << 24)->shiftRight(25); - $h4 = $h4->addInt64($carry3); - $h3 = $h3->subInt64($carry3->shiftLeft(25)); - $carry7 = $h7->addInt(1 << 24)->shiftRight(25); - $h8 = $h8->addInt64($carry7); - $h7 = $h7->subInt64($carry7->shiftLeft(25)); - - $carry4 = $h4->addInt(1 << 25)->shiftRight(26); - $h5 = $h5->addInt64($carry4); - $h4 = $h4->subInt64($carry4->shiftLeft(26)); - $carry8 = $h8->addInt(1 << 25)->shiftRight(26); - $h9 = $h9->addInt64($carry8); - $h8 = $h8->subInt64($carry8->shiftLeft(26)); - - $carry9 = $h9->addInt(1 << 24)->shiftRight(25); - $h0 = $h0->addInt64($carry9->mulInt(19, 5)); - $h9 = $h9->subInt64($carry9->shiftLeft(25)); - - $carry0 = $h0->addInt(1 << 25)->shiftRight(26); - $h1 = $h1->addInt64($carry0); - $h0 = $h0->subInt64($carry0->shiftLeft(26)); - - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - $h0->toInt32(), - $h1->toInt32(), - $h2->toInt32(), - $h3->toInt32(), - $h4->toInt32(), - $h5->toInt32(), - $h6->toInt32(), - $h7->toInt32(), - $h8->toInt32(), - $h9->toInt32() - ) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $Z - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function fe_invert(ParagonIE_Sodium_Core32_Curve25519_Fe $Z) - { - $z = clone $Z; - $t0 = self::fe_sq($z); - $t1 = self::fe_sq($t0); - $t1 = self::fe_sq($t1); - $t1 = self::fe_mul($z, $t1); - $t0 = self::fe_mul($t0, $t1); - $t2 = self::fe_sq($t0); - $t1 = self::fe_mul($t1, $t2); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 5; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 10; ++$i) { - $t2 = self::fe_sq($t2); - } - $t2 = self::fe_mul($t2, $t1); - $t3 = self::fe_sq($t2); - for ($i = 1; $i < 20; ++$i) { - $t3 = self::fe_sq($t3); - } - $t2 = self::fe_mul($t3, $t2); - $t2 = self::fe_sq($t2); - for ($i = 1; $i < 10; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t2 = self::fe_sq($t1); - for ($i = 1; $i < 50; ++$i) { - $t2 = self::fe_sq($t2); - } - $t2 = self::fe_mul($t2, $t1); - $t3 = self::fe_sq($t2); - for ($i = 1; $i < 100; ++$i) { - $t3 = self::fe_sq($t3); - } - $t2 = self::fe_mul($t3, $t2); - $t2 = self::fe_sq($t2); - for ($i = 1; $i < 50; ++$i) { - $t2 = self::fe_sq($t2); - } - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - for ($i = 1; $i < 5; ++$i) { - $t1 = self::fe_sq($t1); - } - return self::fe_mul($t1, $t0); - } - - /** - * @internal You should not use this directly from another application - * - * @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106 - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $z - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function fe_pow22523(ParagonIE_Sodium_Core32_Curve25519_Fe $z) - { - # fe_sq(t0, z); - # fe_sq(t1, t0); - # fe_sq(t1, t1); - # fe_mul(t1, z, t1); - # fe_mul(t0, t0, t1); - # fe_sq(t0, t0); - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_sq($z); - $t1 = self::fe_sq($t0); - $t1 = self::fe_sq($t1); - $t1 = self::fe_mul($z, $t1); - $t0 = self::fe_mul($t0, $t1); - $t0 = self::fe_sq($t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 5; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 5; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 10; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 10; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t1, t1, t0); - # fe_sq(t2, t1); - $t1 = self::fe_mul($t1, $t0); - $t2 = self::fe_sq($t1); - - # for (i = 1; i < 20; ++i) { - # fe_sq(t2, t2); - # } - for ($i = 1; $i < 20; ++$i) { - $t2 = self::fe_sq($t2); - } - - # fe_mul(t1, t2, t1); - # fe_sq(t1, t1); - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - - # for (i = 1; i < 10; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 10; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t1, t0); - $t0 = self::fe_mul($t1, $t0); - $t1 = self::fe_sq($t0); - - # for (i = 1; i < 50; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 50; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t1, t1, t0); - # fe_sq(t2, t1); - $t1 = self::fe_mul($t1, $t0); - $t2 = self::fe_sq($t1); - - # for (i = 1; i < 100; ++i) { - # fe_sq(t2, t2); - # } - for ($i = 1; $i < 100; ++$i) { - $t2 = self::fe_sq($t2); - } - - # fe_mul(t1, t2, t1); - # fe_sq(t1, t1); - $t1 = self::fe_mul($t2, $t1); - $t1 = self::fe_sq($t1); - - # for (i = 1; i < 50; ++i) { - # fe_sq(t1, t1); - # } - for ($i = 1; $i < 50; ++$i) { - $t1 = self::fe_sq($t1); - } - - # fe_mul(t0, t1, t0); - # fe_sq(t0, t0); - # fe_sq(t0, t0); - # fe_mul(out, t0, z); - $t0 = self::fe_mul($t1, $t0); - $t0 = self::fe_sq($t0); - $t0 = self::fe_sq($t0); - return self::fe_mul($t0, $z); - } - - /** - * Subtract two field elements. - * - * h = f - g - * - * Preconditions: - * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * - * Postconditions: - * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedMethodCall - * @psalm-suppress MixedTypeCoercion - */ - public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g) - { - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - $f[0]->subInt32($g[0]), - $f[1]->subInt32($g[1]), - $f[2]->subInt32($g[2]), - $f[3]->subInt32($g[3]), - $f[4]->subInt32($g[4]), - $f[5]->subInt32($g[5]), - $f[6]->subInt32($g[6]), - $f[7]->subInt32($g[7]), - $f[8]->subInt32($g[8]), - $f[9]->subInt32($g[9]) - ) - ); - } - - /** - * Add two group elements. - * - * r = p + q - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_add( - ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q - ) { - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->YplusX); - $r->Y = self::fe_mul($r->Y, $q->YminusX); - $r->T = self::fe_mul($q->T2d, $p->T); - $r->X = self::fe_mul($p->Z, $q->Z); - $t0 = self::fe_add($r->X, $r->X); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_add($t0, $r->T); - $r->T = self::fe_sub($t0, $r->T); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215 - * @param string $a - * @return array<int, mixed> - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayOffset - */ - public static function slide($a) - { - if (self::strlen($a) < 256) { - if (self::strlen($a) < 16) { - $a = str_pad($a, 256, '0', STR_PAD_RIGHT); - } - } - /** @var array<int, int> $r */ - $r = array(); - for ($i = 0; $i < 256; ++$i) { - $r[$i] = (int) (1 & - ( - self::chrToInt($a[$i >> 3]) - >> - ($i & 7) - ) - ); - } - - for ($i = 0;$i < 256;++$i) { - if ($r[$i]) { - for ($b = 1;$b <= 6 && $i + $b < 256;++$b) { - if ($r[$i + $b]) { - if ($r[$i] + ($r[$i + $b] << $b) <= 15) { - $r[$i] += $r[$i + $b] << $b; - $r[$i + $b] = 0; - } elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) { - $r[$i] -= $r[$i + $b] << $b; - for ($k = $i + $b; $k < 256; ++$k) { - if (!$r[$k]) { - $r[$k] = 1; - break; - } - $r[$k] = 0; - } - } else { - break; - } - } - } - } - } - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $s - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_frombytes_negate_vartime($s) - { - static $d = null; - if (!$d) { - /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ - $d = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[0]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[1]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[2]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[3]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[4]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[5]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[6]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[7]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[8]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[9]) - ) - ); - } - - # fe_frombytes(h->Y,s); - # fe_1(h->Z); - $h = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3( - self::fe_0(), - self::fe_frombytes($s), - self::fe_1() - ); - - # fe_sq(u,h->Y); - # fe_mul(v,u,d); - # fe_sub(u,u,h->Z); /* u = y^2-1 */ - # fe_add(v,v,h->Z); /* v = dy^2+1 */ - $u = self::fe_sq($h->Y); - /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ - $v = self::fe_mul($u, $d); - $u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */ - $v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */ - - # fe_sq(v3,v); - # fe_mul(v3,v3,v); /* v3 = v^3 */ - # fe_sq(h->X,v3); - # fe_mul(h->X,h->X,v); - # fe_mul(h->X,h->X,u); /* x = uv^7 */ - $v3 = self::fe_sq($v); - $v3 = self::fe_mul($v3, $v); /* v3 = v^3 */ - $h->X = self::fe_sq($v3); - $h->X = self::fe_mul($h->X, $v); - $h->X = self::fe_mul($h->X, $u); /* x = uv^7 */ - - # fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */ - # fe_mul(h->X,h->X,v3); - # fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */ - $h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */ - $h->X = self::fe_mul($h->X, $v3); - $h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */ - - # fe_sq(vxx,h->X); - # fe_mul(vxx,vxx,v); - # fe_sub(check,vxx,u); /* vx^2-u */ - $vxx = self::fe_sq($h->X); - $vxx = self::fe_mul($vxx, $v); - $check = self::fe_sub($vxx, $u); /* vx^2 - u */ - - # if (fe_isnonzero(check)) { - # fe_add(check,vxx,u); /* vx^2+u */ - # if (fe_isnonzero(check)) { - # return -1; - # } - # fe_mul(h->X,h->X,sqrtm1); - # } - if (self::fe_isnonzero($check)) { - $check = self::fe_add($vxx, $u); /* vx^2 + u */ - if (self::fe_isnonzero($check)) { - throw new RangeException('Internal check failed.'); - } - $h->X = self::fe_mul( - $h->X, - ParagonIE_Sodium_Core32_Curve25519_Fe::fromIntArray(self::$sqrtm1) - ); - } - - # if (fe_isnegative(h->X) == (s[31] >> 7)) { - # fe_neg(h->X,h->X); - # } - $i = self::chrToInt($s[31]); - if (self::fe_isnegative($h->X) === ($i >> 7)) { - $h->X = self::fe_neg($h->X); - } - - # fe_mul(h->T,h->X,h->Y); - $h->T = self::fe_mul($h->X, $h->Y); - return $h; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_madd( - ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R, - ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q - ) { - $r = clone $R; - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->yplusx); - $r->Y = self::fe_mul($r->Y, $q->yminusx); - $r->T = self::fe_mul($q->xy2d, $p->T); - $t0 = self::fe_add(clone $p->Z, clone $p->Z); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_add($t0, $r->T); - $r->T = self::fe_sub($t0, $r->T); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_msub( - ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R, - ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q - ) { - $r = clone $R; - - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->yminusx); - $r->Y = self::fe_mul($r->Y, $q->yplusx); - $r->T = self::fe_mul($q->xy2d, $p->T); - $t0 = self::fe_add($p->Z, $p->Z); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_sub($t0, $r->T); - $r->T = self::fe_add($t0, $r->T); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p) - { - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(); - $r->X = self::fe_mul($p->X, $p->T); - $r->Y = self::fe_mul($p->Y, $p->Z); - $r->Z = self::fe_mul($p->Z, $p->T); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p) - { - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(); - $r->X = self::fe_mul($p->X, $p->T); - $r->Y = self::fe_mul($p->Y, $p->Z); - $r->Z = self::fe_mul($p->Z, $p->T); - $r->T = self::fe_mul($p->X, $p->Y); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p2_0() - { - return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2( - self::fe_0(), - self::fe_1(), - self::fe_1() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p2_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p) - { - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); - - $r->X = self::fe_sq($p->X); - $r->Z = self::fe_sq($p->Y); - $r->T = self::fe_sq2($p->Z); - $r->Y = self::fe_add($p->X, $p->Y); - $t0 = self::fe_sq($r->Y); - $r->Y = self::fe_add($r->Z, $r->X); - $r->Z = self::fe_sub($r->Z, $r->X); - $r->X = self::fe_sub($t0, $r->Y); - $r->T = self::fe_sub($r->T, $r->Z); - - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p3_0() - { - return new ParagonIE_Sodium_Core32_Curve25519_Ge_P3( - self::fe_0(), - self::fe_1(), - self::fe_1(), - self::fe_0() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Cached - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p3_to_cached(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) - { - static $d2 = null; - if ($d2 === null) { - $d2 = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[0]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[1]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[2]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[3]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[4]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[5]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[6]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[7]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[8]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[9]) - ) - ); - } - /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d2 */ - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached(); - $r->YplusX = self::fe_add($p->Y, $p->X); - $r->YminusX = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_copy($p->Z); - $r->T2d = self::fe_mul($p->T, $d2); - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 - */ - public static function ge_p3_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) - { - return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2( - $p->X, - $p->Y, - $p->Z - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p3_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h) - { - $recip = self::fe_invert($h->Z); - $x = self::fe_mul($h->X, $recip); - $y = self::fe_mul($h->Y, $recip); - $s = self::fe_tobytes($y); - $s[31] = self::intToChr( - self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) - ); - return $s; - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_p3_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p) - { - $q = self::ge_p3_to_p2($p); - return self::ge_p2_dbl($q); - } - - /** - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp - * @throws SodiumException - * @throws TypeError - */ - public static function ge_precomp_0() - { - return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( - self::fe_1(), - self::fe_1(), - self::fe_0() - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $b - * @param int $c - * @return int - * @psalm-suppress MixedReturnStatement - */ - public static function equal($b, $c) - { - return (int) ((($b ^ $c) - 1 & 0xffffffff) >> 31); - } - - /** - * @internal You should not use this directly from another application - * - * @param string|int $char - * @return int (1 = yes, 0 = no) - * @throws SodiumException - * @throws TypeError - */ - public static function negative($char) - { - if (is_int($char)) { - return $char < 0 ? 1 : 0; - } - /** @var string $char */ - /** @var int $x */ - $x = self::chrToInt(self::substr($char, 0, 1)); - return (int) ($x >> 31); - } - - /** - * Conditional move - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u - * @param int $b - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp - * @throws SodiumException - * @throws TypeError - */ - public static function cmov( - ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t, - ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u, - $b - ) { - if (!is_int($b)) { - throw new InvalidArgumentException('Expected an integer.'); - } - return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( - self::fe_cmov($t->yplusx, $u->yplusx, $b), - self::fe_cmov($t->yminusx, $u->yminusx, $b), - self::fe_cmov($t->xy2d, $u->xy2d, $b) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $pos - * @param int $b - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - * @psalm-suppress MixedArrayOffset - * @psalm-suppress MixedArgument - */ - public static function ge_select($pos = 0, $b = 0) - { - static $base = null; - if ($base === null) { - $base = array(); - foreach (self::$base as $i => $bas) { - for ($j = 0; $j < 8; ++$j) { - $base[$i][$j] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][0]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][1]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][2]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][3]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][4]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][5]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][6]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][7]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][8]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][9]) - ) - ), - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][0]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][1]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][2]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][3]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][4]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][5]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][6]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][7]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][8]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][9]) - ) - ), - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][0]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][1]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][2]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][3]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][4]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][5]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][6]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][7]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][8]), - ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][9]) - ) - ) - ); - } - } - } - if (!is_int($pos)) { - throw new InvalidArgumentException('Position must be an integer'); - } - if ($pos < 0 || $pos > 31) { - throw new RangeException('Position is out of range [0, 31]'); - } - - $bnegative = self::negative($b); - /** @var int $babs */ - $babs = $b - (((-$bnegative) & $b) << 1); - - $t = self::ge_precomp_0(); - for ($i = 0; $i < 8; ++$i) { - $t = self::cmov( - $t, - $base[$pos][$i], - self::equal($babs, $i + 1) - ); - } - $minusT = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( - self::fe_copy($t->yminusx), - self::fe_copy($t->yplusx), - self::fe_neg($t->xy2d) - ); - return self::cmov($t, $minusT, -$bnegative); - } - - /** - * Subtract two group elements. - * - * r = p - q - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_sub( - ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p, - ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q - ) { - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); - - $r->X = self::fe_add($p->Y, $p->X); - $r->Y = self::fe_sub($p->Y, $p->X); - $r->Z = self::fe_mul($r->X, $q->YminusX); - $r->Y = self::fe_mul($r->Y, $q->YplusX); - $r->T = self::fe_mul($q->T2d, $p->T); - $r->X = self::fe_mul($p->Z, $q->Z); - $t0 = self::fe_add($r->X, $r->X); - $r->X = self::fe_sub($r->Z, $r->Y); - $r->Y = self::fe_add($r->Z, $r->Y); - $r->Z = self::fe_sub($t0, $r->T); - $r->T = self::fe_add($t0, $r->T); - - return $r; - } - - /** - * Convert a group element to a byte string. - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function ge_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h) - { - $recip = self::fe_invert($h->Z); - $x = self::fe_mul($h->X, $recip); - $y = self::fe_mul($h->Y, $recip); - $s = self::fe_tobytes($y); - $s[31] = self::intToChr( - self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7) - ); - return $s; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $a - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A - * @param string $b - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - */ - public static function ge_double_scalarmult_vartime( - $a, - ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A, - $b - ) { - /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */ - $Ai = array(); - - static $Bi = array(); - /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */ - if (!$Bi) { - for ($i = 0; $i < 8; ++$i) { - $Bi[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][0]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][1]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][2]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][3]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][4]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][5]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][6]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][7]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][8]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][9]) - ) - ), - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][0]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][1]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][2]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][3]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][4]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][5]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][6]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][7]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][8]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][9]) - ) - ), - ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( - array( - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][0]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][1]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][2]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][3]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][4]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][5]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][6]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][7]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][8]), - ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][9]) - ) - ) - ); - } - } - - for ($i = 0; $i < 8; ++$i) { - $Ai[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached( - self::fe_0(), - self::fe_0(), - self::fe_0(), - self::fe_0() - ); - } - /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai */ - - # slide(aslide,a); - # slide(bslide,b); - /** @var array<int, int> $aslide */ - $aslide = self::slide($a); - /** @var array<int, int> $bslide */ - $bslide = self::slide($b); - - # ge_p3_to_cached(&Ai[0],A); - # ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t); - $Ai[0] = self::ge_p3_to_cached($A); - $t = self::ge_p3_dbl($A); - $A2 = self::ge_p1p1_to_p3($t); - - # ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u); - # ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u); - # ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u); - # ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u); - # ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u); - # ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u); - # ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u); - for ($i = 0; $i < 7; ++$i) { - $t = self::ge_add($A2, $Ai[$i]); - $u = self::ge_p1p1_to_p3($t); - $Ai[$i + 1] = self::ge_p3_to_cached($u); - } - - # ge_p2_0(r); - $r = self::ge_p2_0(); - - # for (i = 255;i >= 0;--i) { - # if (aslide[i] || bslide[i]) break; - # } - $i = 255; - for (; $i >= 0; --$i) { - if ($aslide[$i] || $bslide[$i]) { - break; - } - } - - # for (;i >= 0;--i) { - for (; $i >= 0; --$i) { - # ge_p2_dbl(&t,r); - $t = self::ge_p2_dbl($r); - - # if (aslide[i] > 0) { - if ($aslide[$i] > 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_add(&t,&u,&Ai[aslide[i]/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_add( - $u, - $Ai[(int) floor($aslide[$i] / 2)] - ); - # } else if (aslide[i] < 0) { - } elseif ($aslide[$i] < 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_sub(&t,&u,&Ai[(-aslide[i])/2]); - $u = self::ge_p1p1_to_p3($t); - $t = self::ge_sub( - $u, - $Ai[(int) floor(-$aslide[$i] / 2)] - ); - } - /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp> $Bi */ - - # if (bslide[i] > 0) { - if ($bslide[$i] > 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_madd(&t,&u,&Bi[bslide[i]/2]); - $u = self::ge_p1p1_to_p3($t); - /** @var int $index */ - $index = (int) floor($bslide[$i] / 2); - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */ - $thisB = $Bi[$index]; - $t = self::ge_madd($t, $u, $thisB); - # } else if (bslide[i] < 0) { - } elseif ($bslide[$i] < 0) { - # ge_p1p1_to_p3(&u,&t); - # ge_msub(&t,&u,&Bi[(-bslide[i])/2]); - $u = self::ge_p1p1_to_p3($t); - - /** @var int $index */ - $index = (int) floor(-$bslide[$i] / 2); - - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */ - $thisB = $Bi[$index]; - $t = self::ge_msub($t, $u, $thisB); - } - # ge_p1p1_to_p2(r,&t); - $r = self::ge_p1p1_to_p2($t); - } - return $r; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $a - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedOperand - * @throws SodiumException - * @throws TypeError - */ - public static function ge_scalarmult_base($a) - { - /** @var array<int, int> $e */ - $e = array(); - $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1(); - - for ($i = 0; $i < 32; ++$i) { - /** @var int $dbl */ - $dbl = (int) $i << 1; - $e[$dbl] = (int) self::chrToInt($a[$i]) & 15; - $e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15; - } - - /** @var int $carry */ - $carry = 0; - for ($i = 0; $i < 63; ++$i) { - $e[$i] += $carry; - /** @var int $carry */ - $carry = $e[$i] + 8; - /** @var int $carry */ - $carry >>= 4; - $e[$i] -= $carry << 4; - } - - /** @var array<int, int> $e */ - $e[63] += (int) $carry; - - $h = self::ge_p3_0(); - - for ($i = 1; $i < 64; $i += 2) { - $t = self::ge_select((int) floor($i / 2), (int) $e[$i]); - $r = self::ge_madd($r, $h, $t); - $h = self::ge_p1p1_to_p3($r); - } - - $r = self::ge_p3_dbl($h); - - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - $s = self::ge_p1p1_to_p2($r); - $r = self::ge_p2_dbl($s); - - $h = self::ge_p1p1_to_p3($r); - - for ($i = 0; $i < 64; $i += 2) { - $t = self::ge_select($i >> 1, (int) $e[$i]); - $r = self::ge_madd($r, $h, $t); - $h = self::ge_p1p1_to_p3($r); - } - return $h; - } - - /** - * Calculates (ab + c) mod l - * where l = 2^252 + 27742317777372353535851937790883648493 - * - * @internal You should not use this directly from another application - * - * @param string $a - * @param string $b - * @param string $c - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sc_muladd($a, $b, $c) - { - $a0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 0, 3))); - $a1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5)); - $a2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2)); - $a3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7)); - $a4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4)); - $a5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1)); - $a6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6)); - $a7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3)); - $a8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 21, 3))); - $a9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5)); - $a10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2)); - $a11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($a, 28, 4)) >> 7)); - $b0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 0, 3))); - $b1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5)); - $b2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2)); - $b3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7)); - $b4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4)); - $b5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1)); - $b6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6)); - $b7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3)); - $b8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 21, 3))); - $b9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5)); - $b10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2)); - $b11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($b, 28, 4)) >> 7)); - $c0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 0, 3))); - $c1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5)); - $c2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2)); - $c3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7)); - $c4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4)); - $c5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1)); - $c6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6)); - $c7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3)); - $c8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 21, 3))); - $c9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5)); - $c10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2)); - $c11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($c, 28, 4)) >> 7)); - - /* Can't really avoid the pyramid here: */ - /** - * @var ParagonIE_Sodium_Core32_Int64 $s0 - * @var ParagonIE_Sodium_Core32_Int64 $s1 - * @var ParagonIE_Sodium_Core32_Int64 $s2 - * @var ParagonIE_Sodium_Core32_Int64 $s3 - * @var ParagonIE_Sodium_Core32_Int64 $s4 - * @var ParagonIE_Sodium_Core32_Int64 $s5 - * @var ParagonIE_Sodium_Core32_Int64 $s6 - * @var ParagonIE_Sodium_Core32_Int64 $s7 - * @var ParagonIE_Sodium_Core32_Int64 $s8 - * @var ParagonIE_Sodium_Core32_Int64 $s9 - * @var ParagonIE_Sodium_Core32_Int64 $s10 - * @var ParagonIE_Sodium_Core32_Int64 $s11 - * @var ParagonIE_Sodium_Core32_Int64 $s12 - * @var ParagonIE_Sodium_Core32_Int64 $s13 - * @var ParagonIE_Sodium_Core32_Int64 $s14 - * @var ParagonIE_Sodium_Core32_Int64 $s15 - * @var ParagonIE_Sodium_Core32_Int64 $s16 - * @var ParagonIE_Sodium_Core32_Int64 $s17 - * @var ParagonIE_Sodium_Core32_Int64 $s18 - * @var ParagonIE_Sodium_Core32_Int64 $s19 - * @var ParagonIE_Sodium_Core32_Int64 $s20 - * @var ParagonIE_Sodium_Core32_Int64 $s21 - * @var ParagonIE_Sodium_Core32_Int64 $s22 - * @var ParagonIE_Sodium_Core32_Int64 $s23 - */ - - $s0 = $c0->addInt64($a0->mulInt64($b0, 24)); - $s1 = $c1->addInt64($a0->mulInt64($b1, 24))->addInt64($a1->mulInt64($b0, 24)); - $s2 = $c2->addInt64($a0->mulInt64($b2, 24))->addInt64($a1->mulInt64($b1, 24))->addInt64($a2->mulInt64($b0, 24)); - $s3 = $c3->addInt64($a0->mulInt64($b3, 24))->addInt64($a1->mulInt64($b2, 24))->addInt64($a2->mulInt64($b1, 24)) - ->addInt64($a3->mulInt64($b0, 24)); - $s4 = $c4->addInt64($a0->mulInt64($b4, 24))->addInt64($a1->mulInt64($b3, 24))->addInt64($a2->mulInt64($b2, 24)) - ->addInt64($a3->mulInt64($b1, 24))->addInt64($a4->mulInt64($b0, 24)); - $s5 = $c5->addInt64($a0->mulInt64($b5, 24))->addInt64($a1->mulInt64($b4, 24))->addInt64($a2->mulInt64($b3, 24)) - ->addInt64($a3->mulInt64($b2, 24))->addInt64($a4->mulInt64($b1, 24))->addInt64($a5->mulInt64($b0, 24)); - $s6 = $c6->addInt64($a0->mulInt64($b6, 24))->addInt64($a1->mulInt64($b5, 24))->addInt64($a2->mulInt64($b4, 24)) - ->addInt64($a3->mulInt64($b3, 24))->addInt64($a4->mulInt64($b2, 24))->addInt64($a5->mulInt64($b1, 24)) - ->addInt64($a6->mulInt64($b0, 24)); - $s7 = $c7->addInt64($a0->mulInt64($b7, 24))->addInt64($a1->mulInt64($b6, 24))->addInt64($a2->mulInt64($b5, 24)) - ->addInt64($a3->mulInt64($b4, 24))->addInt64($a4->mulInt64($b3, 24))->addInt64($a5->mulInt64($b2, 24)) - ->addInt64($a6->mulInt64($b1, 24))->addInt64($a7->mulInt64($b0, 24)); - $s8 = $c8->addInt64($a0->mulInt64($b8, 24))->addInt64($a1->mulInt64($b7, 24))->addInt64($a2->mulInt64($b6, 24)) - ->addInt64($a3->mulInt64($b5, 24))->addInt64($a4->mulInt64($b4, 24))->addInt64($a5->mulInt64($b3, 24)) - ->addInt64($a6->mulInt64($b2, 24))->addInt64($a7->mulInt64($b1, 24))->addInt64($a8->mulInt64($b0, 24)); - $s9 = $c9->addInt64($a0->mulInt64($b9, 24))->addInt64($a1->mulInt64($b8, 24))->addInt64($a2->mulInt64($b7, 24)) - ->addInt64($a3->mulInt64($b6, 24))->addInt64($a4->mulInt64($b5, 24))->addInt64($a5->mulInt64($b4, 24)) - ->addInt64($a6->mulInt64($b3, 24))->addInt64($a7->mulInt64($b2, 24))->addInt64($a8->mulInt64($b1, 24)) - ->addInt64($a9->mulInt64($b0, 24)); - $s10 = $c10->addInt64($a0->mulInt64($b10, 24))->addInt64($a1->mulInt64($b9, 24))->addInt64($a2->mulInt64($b8, 24)) - ->addInt64($a3->mulInt64($b7, 24))->addInt64($a4->mulInt64($b6, 24))->addInt64($a5->mulInt64($b5, 24)) - ->addInt64($a6->mulInt64($b4, 24))->addInt64($a7->mulInt64($b3, 24))->addInt64($a8->mulInt64($b2, 24)) - ->addInt64($a9->mulInt64($b1, 24))->addInt64($a10->mulInt64($b0, 24)); - $s11 = $c11->addInt64($a0->mulInt64($b11, 24))->addInt64($a1->mulInt64($b10, 24))->addInt64($a2->mulInt64($b9, 24)) - ->addInt64($a3->mulInt64($b8, 24))->addInt64($a4->mulInt64($b7, 24))->addInt64($a5->mulInt64($b6, 24)) - ->addInt64($a6->mulInt64($b5, 24))->addInt64($a7->mulInt64($b4, 24))->addInt64($a8->mulInt64($b3, 24)) - ->addInt64($a9->mulInt64($b2, 24))->addInt64($a10->mulInt64($b1, 24))->addInt64($a11->mulInt64($b0, 24)); - $s12 = $a1->mulInt64($b11, 24)->addInt64($a2->mulInt64($b10, 24))->addInt64($a3->mulInt64($b9, 24)) - ->addInt64($a4->mulInt64($b8, 24))->addInt64($a5->mulInt64($b7, 24))->addInt64($a6->mulInt64($b6, 24)) - ->addInt64($a7->mulInt64($b5, 24))->addInt64($a8->mulInt64($b4, 24))->addInt64($a9->mulInt64($b3, 24)) - ->addInt64($a10->mulInt64($b2, 24))->addInt64($a11->mulInt64($b1, 24)); - $s13 = $a2->mulInt64($b11, 24)->addInt64($a3->mulInt64($b10, 24))->addInt64($a4->mulInt64($b9, 24)) - ->addInt64($a5->mulInt64($b8, 24))->addInt64($a6->mulInt64($b7, 24))->addInt64($a7->mulInt64($b6, 24)) - ->addInt64($a8->mulInt64($b5, 24))->addInt64($a9->mulInt64($b4, 24))->addInt64($a10->mulInt64($b3, 24)) - ->addInt64($a11->mulInt64($b2, 24)); - $s14 = $a3->mulInt64($b11, 24)->addInt64($a4->mulInt64($b10, 24))->addInt64($a5->mulInt64($b9, 24)) - ->addInt64($a6->mulInt64($b8, 24))->addInt64($a7->mulInt64($b7, 24))->addInt64($a8->mulInt64($b6, 24)) - ->addInt64($a9->mulInt64($b5, 24))->addInt64($a10->mulInt64($b4, 24))->addInt64($a11->mulInt64($b3, 24)); - $s15 = $a4->mulInt64($b11, 24)->addInt64($a5->mulInt64($b10, 24))->addInt64($a6->mulInt64($b9, 24)) - ->addInt64($a7->mulInt64($b8, 24))->addInt64($a8->mulInt64($b7, 24))->addInt64($a9->mulInt64($b6, 24)) - ->addInt64($a10->mulInt64($b5, 24))->addInt64($a11->mulInt64($b4, 24)); - $s16 = $a5->mulInt64($b11, 24)->addInt64($a6->mulInt64($b10, 24))->addInt64($a7->mulInt64($b9, 24)) - ->addInt64($a8->mulInt64($b8, 24))->addInt64($a9->mulInt64($b7, 24))->addInt64($a10->mulInt64($b6, 24)) - ->addInt64($a11->mulInt64($b5, 24)); - $s17 = $a6->mulInt64($b11, 24)->addInt64($a7->mulInt64($b10, 24))->addInt64($a8->mulInt64($b9, 24)) - ->addInt64($a9->mulInt64($b8, 24))->addInt64($a10->mulInt64($b7, 24))->addInt64($a11->mulInt64($b6, 24)); - $s18 = $a7->mulInt64($b11, 24)->addInt64($a8->mulInt64($b10, 24))->addInt64($a9->mulInt64($b9, 24)) - ->addInt64($a10->mulInt64($b8, 24))->addInt64($a11->mulInt64($b7, 24)); - $s19 = $a8->mulInt64($b11, 24)->addInt64($a9->mulInt64($b10, 24))->addInt64($a10->mulInt64($b9, 24)) - ->addInt64($a11->mulInt64($b8, 24)); - $s20 = $a9->mulInt64($b11, 24)->addInt64($a10->mulInt64($b10, 24))->addInt64($a11->mulInt64($b9, 24)); - $s21 = $a10->mulInt64($b11, 24)->addInt64($a11->mulInt64($b10, 24)); - $s22 = $a11->mulInt64($b11, 24); - $s23 = new ParagonIE_Sodium_Core32_Int64(); - - $carry0 = $s0->addInt(1 << 20)->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry2 = $s2->addInt(1 << 20)->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry4 = $s4->addInt(1 << 20)->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry6 = $s6->addInt(1 << 20)->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry8 = $s8->addInt(1 << 20)->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry10 = $s10->addInt(1 << 20)->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry12 = $s12->addInt(1 << 20)->shiftRight(21); - $s13 = $s13->addInt64($carry12); - $s12 = $s12->subInt64($carry12->shiftLeft(21)); - $carry14 = $s14->addInt(1 << 20)->shiftRight(21); - $s15 = $s15->addInt64($carry14); - $s14 = $s14->subInt64($carry14->shiftLeft(21)); - $carry16 = $s16->addInt(1 << 20)->shiftRight(21); - $s17 = $s17->addInt64($carry16); - $s16 = $s16->subInt64($carry16->shiftLeft(21)); - $carry18 = $s18->addInt(1 << 20)->shiftRight(21); - $s19 = $s19->addInt64($carry18); - $s18 = $s18->subInt64($carry18->shiftLeft(21)); - $carry20 = $s20->addInt(1 << 20)->shiftRight(21); - $s21 = $s21->addInt64($carry20); - $s20 = $s20->subInt64($carry20->shiftLeft(21)); - $carry22 = $s22->addInt(1 << 20)->shiftRight(21); - $s23 = $s23->addInt64($carry22); - $s22 = $s22->subInt64($carry22->shiftLeft(21)); - - $carry1 = $s1->addInt(1 << 20)->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry3 = $s3->addInt(1 << 20)->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry5 = $s5->addInt(1 << 20)->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry7 = $s7->addInt(1 << 20)->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry9 = $s9->addInt(1 << 20)->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry11 = $s11->addInt(1 << 20)->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - $carry13 = $s13->addInt(1 << 20)->shiftRight(21); - $s14 = $s14->addInt64($carry13); - $s13 = $s13->subInt64($carry13->shiftLeft(21)); - $carry15 = $s15->addInt(1 << 20)->shiftRight(21); - $s16 = $s16->addInt64($carry15); - $s15 = $s15->subInt64($carry15->shiftLeft(21)); - $carry17 = $s17->addInt(1 << 20)->shiftRight(21); - $s18 = $s18->addInt64($carry17); - $s17 = $s17->subInt64($carry17->shiftLeft(21)); - $carry19 = $s19->addInt(1 << 20)->shiftRight(21); - $s20 = $s20->addInt64($carry19); - $s19 = $s19->subInt64($carry19->shiftLeft(21)); - $carry21 = $s21->addInt(1 << 20)->shiftRight(21); - $s22 = $s22->addInt64($carry21); - $s21 = $s21->subInt64($carry21->shiftLeft(21)); - - $s11 = $s11->addInt64($s23->mulInt(666643, 20)); - $s12 = $s12->addInt64($s23->mulInt(470296, 19)); - $s13 = $s13->addInt64($s23->mulInt(654183, 20)); - $s14 = $s14->subInt64($s23->mulInt(997805, 20)); - $s15 = $s15->addInt64($s23->mulInt(136657, 18)); - $s16 = $s16->subInt64($s23->mulInt(683901, 20)); - - $s10 = $s10->addInt64($s22->mulInt(666643, 20)); - $s11 = $s11->addInt64($s22->mulInt(470296, 19)); - $s12 = $s12->addInt64($s22->mulInt(654183, 20)); - $s13 = $s13->subInt64($s22->mulInt(997805, 20)); - $s14 = $s14->addInt64($s22->mulInt(136657, 18)); - $s15 = $s15->subInt64($s22->mulInt(683901, 20)); - - $s9 = $s9->addInt64($s21->mulInt(666643, 20)); - $s10 = $s10->addInt64($s21->mulInt(470296, 19)); - $s11 = $s11->addInt64($s21->mulInt(654183, 20)); - $s12 = $s12->subInt64($s21->mulInt(997805, 20)); - $s13 = $s13->addInt64($s21->mulInt(136657, 18)); - $s14 = $s14->subInt64($s21->mulInt(683901, 20)); - - $s8 = $s8->addInt64($s20->mulInt(666643, 20)); - $s9 = $s9->addInt64($s20->mulInt(470296, 19)); - $s10 = $s10->addInt64($s20->mulInt(654183, 20)); - $s11 = $s11->subInt64($s20->mulInt(997805, 20)); - $s12 = $s12->addInt64($s20->mulInt(136657, 18)); - $s13 = $s13->subInt64($s20->mulInt(683901, 20)); - - $s7 = $s7->addInt64($s19->mulInt(666643, 20)); - $s8 = $s8->addInt64($s19->mulInt(470296, 19)); - $s9 = $s9->addInt64($s19->mulInt(654183, 20)); - $s10 = $s10->subInt64($s19->mulInt(997805, 20)); - $s11 = $s11->addInt64($s19->mulInt(136657, 18)); - $s12 = $s12->subInt64($s19->mulInt(683901, 20)); - - $s6 = $s6->addInt64($s18->mulInt(666643, 20)); - $s7 = $s7->addInt64($s18->mulInt(470296, 19)); - $s8 = $s8->addInt64($s18->mulInt(654183, 20)); - $s9 = $s9->subInt64($s18->mulInt(997805, 20)); - $s10 = $s10->addInt64($s18->mulInt(136657, 18)); - $s11 = $s11->subInt64($s18->mulInt(683901, 20)); - - $carry6 = $s6->addInt(1 << 20)->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry8 = $s8->addInt(1 << 20)->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry10 = $s10->addInt(1 << 20)->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry12 = $s12->addInt(1 << 20)->shiftRight(21); - $s13 = $s13->addInt64($carry12); - $s12 = $s12->subInt64($carry12->shiftLeft(21)); - $carry14 = $s14->addInt(1 << 20)->shiftRight(21); - $s15 = $s15->addInt64($carry14); - $s14 = $s14->subInt64($carry14->shiftLeft(21)); - $carry16 = $s16->addInt(1 << 20)->shiftRight(21); - $s17 = $s17->addInt64($carry16); - $s16 = $s16->subInt64($carry16->shiftLeft(21)); - - $carry7 = $s7->addInt(1 << 20)->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry9 = $s9->addInt(1 << 20)->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry11 = $s11->addInt(1 << 20)->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - $carry13 = $s13->addInt(1 << 20)->shiftRight(21); - $s14 = $s14->addInt64($carry13); - $s13 = $s13->subInt64($carry13->shiftLeft(21)); - $carry15 = $s15->addInt(1 << 20)->shiftRight(21); - $s16 = $s16->addInt64($carry15); - $s15 = $s15->subInt64($carry15->shiftLeft(21)); - - $s5 = $s5->addInt64($s17->mulInt(666643, 20)); - $s6 = $s6->addInt64($s17->mulInt(470296, 19)); - $s7 = $s7->addInt64($s17->mulInt(654183, 20)); - $s8 = $s8->subInt64($s17->mulInt(997805, 20)); - $s9 = $s9->addInt64($s17->mulInt(136657, 18)); - $s10 = $s10->subInt64($s17->mulInt(683901, 20)); - - $s4 = $s4->addInt64($s16->mulInt(666643, 20)); - $s5 = $s5->addInt64($s16->mulInt(470296, 19)); - $s6 = $s6->addInt64($s16->mulInt(654183, 20)); - $s7 = $s7->subInt64($s16->mulInt(997805, 20)); - $s8 = $s8->addInt64($s16->mulInt(136657, 18)); - $s9 = $s9->subInt64($s16->mulInt(683901, 20)); - - $s3 = $s3->addInt64($s15->mulInt(666643, 20)); - $s4 = $s4->addInt64($s15->mulInt(470296, 19)); - $s5 = $s5->addInt64($s15->mulInt(654183, 20)); - $s6 = $s6->subInt64($s15->mulInt(997805, 20)); - $s7 = $s7->addInt64($s15->mulInt(136657, 18)); - $s8 = $s8->subInt64($s15->mulInt(683901, 20)); - - $s2 = $s2->addInt64($s14->mulInt(666643, 20)); - $s3 = $s3->addInt64($s14->mulInt(470296, 19)); - $s4 = $s4->addInt64($s14->mulInt(654183, 20)); - $s5 = $s5->subInt64($s14->mulInt(997805, 20)); - $s6 = $s6->addInt64($s14->mulInt(136657, 18)); - $s7 = $s7->subInt64($s14->mulInt(683901, 20)); - - $s1 = $s1->addInt64($s13->mulInt(666643, 20)); - $s2 = $s2->addInt64($s13->mulInt(470296, 19)); - $s3 = $s3->addInt64($s13->mulInt(654183, 20)); - $s4 = $s4->subInt64($s13->mulInt(997805, 20)); - $s5 = $s5->addInt64($s13->mulInt(136657, 18)); - $s6 = $s6->subInt64($s13->mulInt(683901, 20)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - $s12 = new ParagonIE_Sodium_Core32_Int64(); - - $carry0 = $s0->addInt(1 << 20)->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry2 = $s2->addInt(1 << 20)->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry4 = $s4->addInt(1 << 20)->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry6 = $s6->addInt(1 << 20)->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry8 = $s8->addInt(1 << 20)->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry10 = $s10->addInt(1 << 20)->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - - $carry1 = $s1->addInt(1 << 20)->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry3 = $s3->addInt(1 << 20)->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry5 = $s5->addInt(1 << 20)->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry7 = $s7->addInt(1 << 20)->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry9 = $s9->addInt(1 << 20)->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry11 = $s11->addInt(1 << 20)->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - $s12 = new ParagonIE_Sodium_Core32_Int64(); - - $carry0 = $s0->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry1 = $s1->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry2 = $s2->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry3 = $s3->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry4 = $s4->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry5 = $s5->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry6 = $s6->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry7 = $s7->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry8 = $s8->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry9 = $s9->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry10 = $s10->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry11 = $s11->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - - $carry0 = $s0->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry1 = $s1->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry2 = $s2->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry3 = $s3->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry4 = $s4->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry5 = $s5->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry6 = $s6->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry7 = $s7->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry8 = $s10->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry9 = $s9->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry10 = $s10->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - - $S0 = $s0->toInt(); - $S1 = $s1->toInt(); - $S2 = $s2->toInt(); - $S3 = $s3->toInt(); - $S4 = $s4->toInt(); - $S5 = $s5->toInt(); - $S6 = $s6->toInt(); - $S7 = $s7->toInt(); - $S8 = $s8->toInt(); - $S9 = $s9->toInt(); - $S10 = $s10->toInt(); - $S11 = $s11->toInt(); - - /** - * @var array<int, int> - */ - $arr = array( - (int) (0xff & ($S0 >> 0)), - (int) (0xff & ($S0 >> 8)), - (int) (0xff & (($S0 >> 16) | ($S1 << 5))), - (int) (0xff & ($S1 >> 3)), - (int) (0xff & ($S1 >> 11)), - (int) (0xff & (($S1 >> 19) | ($S2 << 2))), - (int) (0xff & ($S2 >> 6)), - (int) (0xff & (($S2 >> 14) | ($S3 << 7))), - (int) (0xff & ($S3 >> 1)), - (int) (0xff & ($S3 >> 9)), - (int) (0xff & (($S3 >> 17) | ($S4 << 4))), - (int) (0xff & ($S4 >> 4)), - (int) (0xff & ($S4 >> 12)), - (int) (0xff & (($S4 >> 20) | ($S5 << 1))), - (int) (0xff & ($S5 >> 7)), - (int) (0xff & (($S5 >> 15) | ($S6 << 6))), - (int) (0xff & ($S6 >> 2)), - (int) (0xff & ($S6 >> 10)), - (int) (0xff & (($S6 >> 18) | ($S7 << 3))), - (int) (0xff & ($S7 >> 5)), - (int) (0xff & ($S7 >> 13)), - (int) (0xff & ($S8 >> 0)), - (int) (0xff & ($S8 >> 8)), - (int) (0xff & (($S8 >> 16) | ($S9 << 5))), - (int) (0xff & ($S9 >> 3)), - (int) (0xff & ($S9 >> 11)), - (int) (0xff & (($S9 >> 19) | ($S10 << 2))), - (int) (0xff & ($S10 >> 6)), - (int) (0xff & (($S10 >> 14) | ($S11 << 7))), - (int) (0xff & ($S11 >> 1)), - (int) (0xff & ($S11 >> 9)), - (int) (0xff & ($S11 >> 17)) - ); - return self::intArrayToString($arr); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $s - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sc_reduce($s) - { - /** - * @var ParagonIE_Sodium_Core32_Int64 $s0 - * @var ParagonIE_Sodium_Core32_Int64 $s1 - * @var ParagonIE_Sodium_Core32_Int64 $s2 - * @var ParagonIE_Sodium_Core32_Int64 $s3 - * @var ParagonIE_Sodium_Core32_Int64 $s4 - * @var ParagonIE_Sodium_Core32_Int64 $s5 - * @var ParagonIE_Sodium_Core32_Int64 $s6 - * @var ParagonIE_Sodium_Core32_Int64 $s7 - * @var ParagonIE_Sodium_Core32_Int64 $s8 - * @var ParagonIE_Sodium_Core32_Int64 $s9 - * @var ParagonIE_Sodium_Core32_Int64 $s10 - * @var ParagonIE_Sodium_Core32_Int64 $s11 - * @var ParagonIE_Sodium_Core32_Int64 $s12 - * @var ParagonIE_Sodium_Core32_Int64 $s13 - * @var ParagonIE_Sodium_Core32_Int64 $s14 - * @var ParagonIE_Sodium_Core32_Int64 $s15 - * @var ParagonIE_Sodium_Core32_Int64 $s16 - * @var ParagonIE_Sodium_Core32_Int64 $s17 - * @var ParagonIE_Sodium_Core32_Int64 $s18 - * @var ParagonIE_Sodium_Core32_Int64 $s19 - * @var ParagonIE_Sodium_Core32_Int64 $s20 - * @var ParagonIE_Sodium_Core32_Int64 $s21 - * @var ParagonIE_Sodium_Core32_Int64 $s22 - * @var ParagonIE_Sodium_Core32_Int64 $s23 - */ - $s0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 0, 3))); - $s1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5)); - $s2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2)); - $s3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7)); - $s4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4)); - $s5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1)); - $s6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6)); - $s7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3)); - $s8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 21, 3))); - $s9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5)); - $s10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2)); - $s11 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7)); - $s12 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4)); - $s13 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1)); - $s14 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6)); - $s15 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3)); - $s16 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 42, 3))); - $s17 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5)); - $s18 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2)); - $s19 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7)); - $s20 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4)); - $s21 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1)); - $s22 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6)); - $s23 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($s, 60, 4)) >> 3)); - - $s11 = $s11->addInt64($s23->mulInt(666643, 20)); - $s12 = $s12->addInt64($s23->mulInt(470296, 19)); - $s13 = $s13->addInt64($s23->mulInt(654183, 20)); - $s14 = $s14->subInt64($s23->mulInt(997805, 20)); - $s15 = $s15->addInt64($s23->mulInt(136657, 18)); - $s16 = $s16->subInt64($s23->mulInt(683901, 20)); - - $s10 = $s10->addInt64($s22->mulInt(666643, 20)); - $s11 = $s11->addInt64($s22->mulInt(470296, 19)); - $s12 = $s12->addInt64($s22->mulInt(654183, 20)); - $s13 = $s13->subInt64($s22->mulInt(997805, 20)); - $s14 = $s14->addInt64($s22->mulInt(136657, 18)); - $s15 = $s15->subInt64($s22->mulInt(683901, 20)); - - $s9 = $s9->addInt64($s21->mulInt(666643, 20)); - $s10 = $s10->addInt64($s21->mulInt(470296, 19)); - $s11 = $s11->addInt64($s21->mulInt(654183, 20)); - $s12 = $s12->subInt64($s21->mulInt(997805, 20)); - $s13 = $s13->addInt64($s21->mulInt(136657, 18)); - $s14 = $s14->subInt64($s21->mulInt(683901, 20)); - - $s8 = $s8->addInt64($s20->mulInt(666643, 20)); - $s9 = $s9->addInt64($s20->mulInt(470296, 19)); - $s10 = $s10->addInt64($s20->mulInt(654183, 20)); - $s11 = $s11->subInt64($s20->mulInt(997805, 20)); - $s12 = $s12->addInt64($s20->mulInt(136657, 18)); - $s13 = $s13->subInt64($s20->mulInt(683901, 20)); - - $s7 = $s7->addInt64($s19->mulInt(666643, 20)); - $s8 = $s8->addInt64($s19->mulInt(470296, 19)); - $s9 = $s9->addInt64($s19->mulInt(654183, 20)); - $s10 = $s10->subInt64($s19->mulInt(997805, 20)); - $s11 = $s11->addInt64($s19->mulInt(136657, 18)); - $s12 = $s12->subInt64($s19->mulInt(683901, 20)); - - $s6 = $s6->addInt64($s18->mulInt(666643, 20)); - $s7 = $s7->addInt64($s18->mulInt(470296, 19)); - $s8 = $s8->addInt64($s18->mulInt(654183, 20)); - $s9 = $s9->subInt64($s18->mulInt(997805, 20)); - $s10 = $s10->addInt64($s18->mulInt(136657, 18)); - $s11 = $s11->subInt64($s18->mulInt(683901, 20)); - - $carry6 = $s6->addInt(1 << 20)->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry8 = $s8->addInt(1 << 20)->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry10 = $s10->addInt(1 << 20)->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry12 = $s12->addInt(1 << 20)->shiftRight(21); - $s13 = $s13->addInt64($carry12); - $s12 = $s12->subInt64($carry12->shiftLeft(21)); - $carry14 = $s14->addInt(1 << 20)->shiftRight(21); - $s15 = $s15->addInt64($carry14); - $s14 = $s14->subInt64($carry14->shiftLeft(21)); - $carry16 = $s16->addInt(1 << 20)->shiftRight(21); - $s17 = $s17->addInt64($carry16); - $s16 = $s16->subInt64($carry16->shiftLeft(21)); - - $carry7 = $s7->addInt(1 << 20)->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry9 = $s9->addInt(1 << 20)->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry11 = $s11->addInt(1 << 20)->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - $carry13 = $s13->addInt(1 << 20)->shiftRight(21); - $s14 = $s14->addInt64($carry13); - $s13 = $s13->subInt64($carry13->shiftLeft(21)); - $carry15 = $s15->addInt(1 << 20)->shiftRight(21); - $s16 = $s16->addInt64($carry15); - $s15 = $s15->subInt64($carry15->shiftLeft(21)); - - $s5 = $s5->addInt64($s17->mulInt(666643, 20)); - $s6 = $s6->addInt64($s17->mulInt(470296, 19)); - $s7 = $s7->addInt64($s17->mulInt(654183, 20)); - $s8 = $s8->subInt64($s17->mulInt(997805, 20)); - $s9 = $s9->addInt64($s17->mulInt(136657, 18)); - $s10 = $s10->subInt64($s17->mulInt(683901, 20)); - - $s4 = $s4->addInt64($s16->mulInt(666643, 20)); - $s5 = $s5->addInt64($s16->mulInt(470296, 19)); - $s6 = $s6->addInt64($s16->mulInt(654183, 20)); - $s7 = $s7->subInt64($s16->mulInt(997805, 20)); - $s8 = $s8->addInt64($s16->mulInt(136657, 18)); - $s9 = $s9->subInt64($s16->mulInt(683901, 20)); - - $s3 = $s3->addInt64($s15->mulInt(666643, 20)); - $s4 = $s4->addInt64($s15->mulInt(470296, 19)); - $s5 = $s5->addInt64($s15->mulInt(654183, 20)); - $s6 = $s6->subInt64($s15->mulInt(997805, 20)); - $s7 = $s7->addInt64($s15->mulInt(136657, 18)); - $s8 = $s8->subInt64($s15->mulInt(683901, 20)); - - $s2 = $s2->addInt64($s14->mulInt(666643, 20)); - $s3 = $s3->addInt64($s14->mulInt(470296, 19)); - $s4 = $s4->addInt64($s14->mulInt(654183, 20)); - $s5 = $s5->subInt64($s14->mulInt(997805, 20)); - $s6 = $s6->addInt64($s14->mulInt(136657, 18)); - $s7 = $s7->subInt64($s14->mulInt(683901, 20)); - - $s1 = $s1->addInt64($s13->mulInt(666643, 20)); - $s2 = $s2->addInt64($s13->mulInt(470296, 19)); - $s3 = $s3->addInt64($s13->mulInt(654183, 20)); - $s4 = $s4->subInt64($s13->mulInt(997805, 20)); - $s5 = $s5->addInt64($s13->mulInt(136657, 18)); - $s6 = $s6->subInt64($s13->mulInt(683901, 20)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - $s12 = new ParagonIE_Sodium_Core32_Int64(); - - $carry0 = $s0->addInt(1 << 20)->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry2 = $s2->addInt(1 << 20)->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry4 = $s4->addInt(1 << 20)->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry6 = $s6->addInt(1 << 20)->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry8 = $s8->addInt(1 << 20)->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry10 = $s10->addInt(1 << 20)->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry1 = $s1->addInt(1 << 20)->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry3 = $s3->addInt(1 << 20)->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry5 = $s5->addInt(1 << 20)->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry7 = $s7->addInt(1 << 20)->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry9 = $s9->addInt(1 << 20)->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry11 = $s11->addInt(1 << 20)->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - $s12 = new ParagonIE_Sodium_Core32_Int64(); - - $carry0 = $s0->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry1 = $s1->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry2 = $s2->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry3 = $s3->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry4 = $s4->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry5 = $s5->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry6 = $s6->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry7 = $s7->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry8 = $s8->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry9 = $s9->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry10 = $s10->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - $carry11 = $s11->shiftRight(21); - $s12 = $s12->addInt64($carry11); - $s11 = $s11->subInt64($carry11->shiftLeft(21)); - - $s0 = $s0->addInt64($s12->mulInt(666643, 20)); - $s1 = $s1->addInt64($s12->mulInt(470296, 19)); - $s2 = $s2->addInt64($s12->mulInt(654183, 20)); - $s3 = $s3->subInt64($s12->mulInt(997805, 20)); - $s4 = $s4->addInt64($s12->mulInt(136657, 18)); - $s5 = $s5->subInt64($s12->mulInt(683901, 20)); - - $carry0 = $s0->shiftRight(21); - $s1 = $s1->addInt64($carry0); - $s0 = $s0->subInt64($carry0->shiftLeft(21)); - $carry1 = $s1->shiftRight(21); - $s2 = $s2->addInt64($carry1); - $s1 = $s1->subInt64($carry1->shiftLeft(21)); - $carry2 = $s2->shiftRight(21); - $s3 = $s3->addInt64($carry2); - $s2 = $s2->subInt64($carry2->shiftLeft(21)); - $carry3 = $s3->shiftRight(21); - $s4 = $s4->addInt64($carry3); - $s3 = $s3->subInt64($carry3->shiftLeft(21)); - $carry4 = $s4->shiftRight(21); - $s5 = $s5->addInt64($carry4); - $s4 = $s4->subInt64($carry4->shiftLeft(21)); - $carry5 = $s5->shiftRight(21); - $s6 = $s6->addInt64($carry5); - $s5 = $s5->subInt64($carry5->shiftLeft(21)); - $carry6 = $s6->shiftRight(21); - $s7 = $s7->addInt64($carry6); - $s6 = $s6->subInt64($carry6->shiftLeft(21)); - $carry7 = $s7->shiftRight(21); - $s8 = $s8->addInt64($carry7); - $s7 = $s7->subInt64($carry7->shiftLeft(21)); - $carry8 = $s8->shiftRight(21); - $s9 = $s9->addInt64($carry8); - $s8 = $s8->subInt64($carry8->shiftLeft(21)); - $carry9 = $s9->shiftRight(21); - $s10 = $s10->addInt64($carry9); - $s9 = $s9->subInt64($carry9->shiftLeft(21)); - $carry10 = $s10->shiftRight(21); - $s11 = $s11->addInt64($carry10); - $s10 = $s10->subInt64($carry10->shiftLeft(21)); - - $S0 = $s0->toInt32()->toInt(); - $S1 = $s1->toInt32()->toInt(); - $S2 = $s2->toInt32()->toInt(); - $S3 = $s3->toInt32()->toInt(); - $S4 = $s4->toInt32()->toInt(); - $S5 = $s5->toInt32()->toInt(); - $S6 = $s6->toInt32()->toInt(); - $S7 = $s7->toInt32()->toInt(); - $S8 = $s8->toInt32()->toInt(); - $S9 = $s9->toInt32()->toInt(); - $S10 = $s10->toInt32()->toInt(); - $S11 = $s11->toInt32()->toInt(); - - /** - * @var array<int, int> - */ - $arr = array( - (int) ($S0 >> 0), - (int) ($S0 >> 8), - (int) (($S0 >> 16) | ($S1 << 5)), - (int) ($S1 >> 3), - (int) ($S1 >> 11), - (int) (($S1 >> 19) | ($S2 << 2)), - (int) ($S2 >> 6), - (int) (($S2 >> 14) | ($S3 << 7)), - (int) ($S3 >> 1), - (int) ($S3 >> 9), - (int) (($S3 >> 17) | ($S4 << 4)), - (int) ($S4 >> 4), - (int) ($S4 >> 12), - (int) (($S4 >> 20) | ($S5 << 1)), - (int) ($S5 >> 7), - (int) (($S5 >> 15) | ($S6 << 6)), - (int) ($S6 >> 2), - (int) ($S6 >> 10), - (int) (($S6 >> 18) | ($S7 << 3)), - (int) ($S7 >> 5), - (int) ($S7 >> 13), - (int) ($S8 >> 0), - (int) ($S8 >> 8), - (int) (($S8 >> 16) | ($S9 << 5)), - (int) ($S9 >> 3), - (int) ($S9 >> 11), - (int) (($S9 >> 19) | ($S10 << 2)), - (int) ($S10 >> 6), - (int) (($S10 >> 14) | ($S11 << 7)), - (int) ($S11 >> 1), - (int) ($S11 >> 9), - (int) $S11 >> 17 - ); - return self::intArrayToString($arr); - } - - /** - * multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493 - * - * @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A - * @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - * @throws SodiumException - * @throws TypeError - */ - public static function ge_mul_l(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A) - { - /** @var array<int, int> $aslide */ - $aslide = array( - 13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0, - 0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, - 0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, - 0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1, - 0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, - 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 - ); - - /** @var array<int, ParagonIE_Sodium_Core32_Curve25519_Ge_Cached> $Ai size 8 */ - $Ai = array(); - - # ge_p3_to_cached(&Ai[0], A); - $Ai[0] = self::ge_p3_to_cached($A); - # ge_p3_dbl(&t, A); - $t = self::ge_p3_dbl($A); - # ge_p1p1_to_p3(&A2, &t); - $A2 = self::ge_p1p1_to_p3($t); - - for ($i = 1; $i < 8; ++$i) { - # ge_add(&t, &A2, &Ai[0]); - $t = self::ge_add($A2, $Ai[$i - 1]); - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_p3_to_cached(&Ai[i], &u); - $Ai[$i] = self::ge_p3_to_cached($u); - } - - $r = self::ge_p3_0(); - for ($i = 252; $i >= 0; --$i) { - $t = self::ge_p3_dbl($r); - if ($aslide[$i] > 0) { - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_add(&t, &u, &Ai[aslide[i] / 2]); - $t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]); - } elseif ($aslide[$i] < 0) { - # ge_p1p1_to_p3(&u, &t); - $u = self::ge_p1p1_to_p3($t); - # ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]); - $t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]); - } - } - # ge_p1p1_to_p3(r, &t); - return self::ge_p1p1_to_p3($t); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Fe.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Fe.php deleted file mode 100644 index 5fe10f7..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Fe.php +++ /dev/null @@ -1,185 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Fe', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Fe - * - * This represents a Field Element - */ -class ParagonIE_Sodium_Core32_Curve25519_Fe implements ArrayAccess -{ - /** - * @var array<int, ParagonIE_Sodium_Core32_Int32> - */ - protected $container = array(); - - /** - * @var int - */ - protected $size = 10; - - /** - * @internal You should not use this directly from another application - * - * @param array<int, ParagonIE_Sodium_Core32_Int32> $array - * @param bool $save_indexes - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromArray($array, $save_indexes = null) - { - $count = count($array); - if ($save_indexes) { - $keys = array_keys($array); - } else { - $keys = range(0, $count - 1); - } - $array = array_values($array); - - $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - if ($save_indexes) { - for ($i = 0; $i < $count; ++$i) { - $array[$i]->overflow = 0; - $obj->offsetSet($keys[$i], $array[$i]); - } - } else { - for ($i = 0; $i < $count; ++$i) { - $array[$i]->overflow = 0; - $obj->offsetSet($i, $array[$i]); - } - } - return $obj; - } - - /** - * @internal You should not use this directly from another application - * - * @param array<int, int> $array - * @param bool $save_indexes - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromIntArray($array, $save_indexes = null) - { - $count = count($array); - if ($save_indexes) { - $keys = array_keys($array); - } else { - $keys = range(0, $count - 1); - } - $array = array_values($array); - $set = array(); - /** @var int $i */ - /** @var int $v */ - foreach ($array as $i => $v) { - $set[$i] = ParagonIE_Sodium_Core32_Int32::fromInt($v); - } - - $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - if ($save_indexes) { - for ($i = 0; $i < $count; ++$i) { - $set[$i]->overflow = 0; - $obj->offsetSet($keys[$i], $set[$i]); - } - } else { - for ($i = 0; $i < $count; ++$i) { - $set[$i]->overflow = 0; - $obj->offsetSet($i, $set[$i]); - } - } - return $obj; - } - - /** - * @internal You should not use this directly from another application - * - * @param mixed $offset - * @param mixed $value - * @return void - * @throws SodiumException - * @throws TypeError - */ - public function offsetSet($offset, $value) - { - if (!($value instanceof ParagonIE_Sodium_Core32_Int32)) { - throw new InvalidArgumentException('Expected an instance of ParagonIE_Sodium_Core32_Int32'); - } - if (is_null($offset)) { - $this->container[] = $value; - } else { - ParagonIE_Sodium_Core32_Util::declareScalarType($offset, 'int', 1); - $this->container[(int) $offset] = $value; - } - } - - /** - * @internal You should not use this directly from another application - * - * @param mixed $offset - * @return bool - * @psalm-suppress MixedArrayOffset - */ - public function offsetExists($offset) - { - return isset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param mixed $offset - * @return void - * @psalm-suppress MixedArrayOffset - */ - public function offsetUnset($offset) - { - unset($this->container[$offset]); - } - - /** - * @internal You should not use this directly from another application - * - * @param mixed $offset - * @return ParagonIE_Sodium_Core32_Int32 - * @psalm-suppress MixedArrayOffset - */ - public function offsetGet($offset) - { - if (!isset($this->container[$offset])) { - $this->container[(int) $offset] = new ParagonIE_Sodium_Core32_Int32(); - } - /** @var ParagonIE_Sodium_Core32_Int32 $get */ - $get = $this->container[$offset]; - return $get; - } - - /** - * @internal You should not use this directly from another application - * - * @return array - */ - public function __debugInfo() - { - if (empty($this->container)) { - return array(); - } - $c = array( - (int) ($this->container[0]->toInt()), - (int) ($this->container[1]->toInt()), - (int) ($this->container[2]->toInt()), - (int) ($this->container[3]->toInt()), - (int) ($this->container[4]->toInt()), - (int) ($this->container[5]->toInt()), - (int) ($this->container[6]->toInt()), - (int) ($this->container[7]->toInt()), - (int) ($this->container[8]->toInt()), - (int) ($this->container[9]->toInt()) - ); - return array(implode(', ', $c)); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Cached.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Cached.php deleted file mode 100644 index 970481f..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Cached.php +++ /dev/null @@ -1,65 +0,0 @@ -<?php - - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Cached', false)) { - return; -} -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached - */ -class ParagonIE_Sodium_Core32_Curve25519_Ge_Cached -{ - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $YplusX; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $YminusX; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $T2d; - - /** - * ParagonIE_Sodium_Core32_Curve25519_Ge_Cached constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YplusX - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $YminusX - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $Z - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $T2d - */ - public function __construct( - ParagonIE_Sodium_Core32_Curve25519_Fe $YplusX = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $YminusX = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $Z = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $T2d = null - ) { - if ($YplusX === null) { - $YplusX = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->YplusX = $YplusX; - if ($YminusX === null) { - $YminusX = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->YminusX = $YminusX; - if ($Z === null) { - $Z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->Z = $Z; - if ($T2d === null) { - $T2d = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->T2d = $T2d; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P1p1.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P1p1.php deleted file mode 100644 index ff10b1d..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P1p1.php +++ /dev/null @@ -1,67 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1', false)) { - return; -} -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 - */ -class ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 -{ - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $T; - - /** - * ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t - * - * @throws SodiumException - * @throws TypeError - */ - public function __construct( - ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $z = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $t = null - ) { - if ($x === null) { - $x = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->X = $x; - if ($y === null) { - $y = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->Y = $y; - if ($z === null) { - $z = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->Z = $z; - if ($t === null) { - $t = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->T = $t; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P2.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P2.php deleted file mode 100644 index 8a45a91..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P2.php +++ /dev/null @@ -1,54 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P2', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P2 - */ -class ParagonIE_Sodium_Core32_Curve25519_Ge_P2 -{ - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Z; - - /** - * ParagonIE_Sodium_Core32_Curve25519_Ge_P2 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z - */ - public function __construct( - ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $z = null - ) { - if ($x === null) { - $x = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->X = $x; - if ($y === null) { - $y = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->Y = $y; - if ($z === null) { - $z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->Z = $z; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P3.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P3.php deleted file mode 100644 index c9e4b16..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/P3.php +++ /dev/null @@ -1,65 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_P3', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Ge_P3 - */ -class ParagonIE_Sodium_Core32_Curve25519_Ge_P3 -{ - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $X; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Y; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $Z; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $T; - - /** - * ParagonIE_Sodium_Core32_Curve25519_Ge_P3 constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $x - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $y - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $z - * @param ParagonIE_Sodium_Core32_Curve25519_Fe|null $t - */ - public function __construct( - ParagonIE_Sodium_Core32_Curve25519_Fe $x = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $y = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $z = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $t = null - ) { - if ($x === null) { - $x = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->X = $x; - if ($y === null) { - $y = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->Y = $y; - if ($z === null) { - $z = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->Z = $z; - if ($t === null) { - $t = new ParagonIE_Sodium_Core32_Curve25519_Fe(); - } - $this->T = $t; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Precomp.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Precomp.php deleted file mode 100644 index b590b75..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/Ge/Precomp.php +++ /dev/null @@ -1,56 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp - */ -class ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp -{ - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $yplusx; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $yminusx; - - /** - * @var ParagonIE_Sodium_Core32_Curve25519_Fe - */ - public $xy2d; - - /** - * ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp constructor. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d - * @throws SodiumException - * @throws TypeError - */ - public function __construct( - ParagonIE_Sodium_Core32_Curve25519_Fe $yplusx = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $yminusx = null, - ParagonIE_Sodium_Core32_Curve25519_Fe $xy2d = null - ) { - if ($yplusx === null) { - $yplusx = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->yplusx = $yplusx; - if ($yminusx === null) { - $yminusx = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->yminusx = $yminusx; - if ($xy2d === null) { - $xy2d = ParagonIE_Sodium_Core32_Curve25519::fe_0(); - } - $this->xy2d = $xy2d; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/H.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/H.php deleted file mode 100644 index 48c999a..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/H.php +++ /dev/null @@ -1,1467 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Curve25519_H', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Curve25519_H - * - * This just contains the constants in the ref10/base.h file - */ -class ParagonIE_Sodium_Core32_Curve25519_H extends ParagonIE_Sodium_Core32_Util -{ - /** - * See: libsodium's crypto_core/curve25519/ref10/base.h - * - * @var array<int, array<int, array<int, array<int, int>>>> Basically, int[32][8][3][10] - */ - protected static $base = array( - array( - array( - array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), - array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), - array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), - ), - array( - array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303), - array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081), - array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697), - ), - array( - array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), - array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), - array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), - ), - array( - array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540), - array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397), - array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325), - ), - array( - array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), - array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), - array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), - ), - array( - array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777), - array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737), - array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652), - ), - array( - array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), - array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), - array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), - ), - array( - array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726), - array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955), - array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425), - ), - ), - array( - array( - array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171), - array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510), - array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660), - ), - array( - array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639), - array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963), - array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950), - ), - array( - array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568), - array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335), - array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628), - ), - array( - array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007), - array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772), - array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653), - ), - array( - array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567), - array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686), - array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372), - ), - array( - array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887), - array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954), - array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953), - ), - array( - array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833), - array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532), - array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876), - ), - array( - array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268), - array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214), - array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038), - ), - ), - array( - array( - array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800), - array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645), - array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664), - ), - array( - array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933), - array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182), - array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222), - ), - array( - array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991), - array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880), - array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092), - ), - array( - array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295), - array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788), - array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553), - ), - array( - array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026), - array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347), - array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033), - ), - array( - array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395), - array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278), - array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890), - ), - array( - array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995), - array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596), - array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891), - ), - array( - array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060), - array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608), - array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606), - ), - ), - array( - array( - array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389), - array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016), - array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341), - ), - array( - array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505), - array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553), - array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655), - ), - array( - array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220), - array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631), - array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099), - ), - array( - array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556), - array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749), - array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930), - ), - array( - array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391), - array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253), - array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066), - ), - array( - array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958), - array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082), - array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383), - ), - array( - array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521), - array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807), - array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948), - ), - array( - array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134), - array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455), - array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629), - ), - ), - array( - array( - array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069), - array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746), - array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919), - ), - array( - array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837), - 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array(15941029, -9405932, -21367050, 8062055, 31876073, -238629, -15278393, -1444429, 15397331, -4130193), - array(8934485, -13485467, -23286397, -13423241, -32446090, 14047986, 31170398, -1441021, -27505566, 15087184), - ), - array( - array(-18357243, -2156491, 24524913, -16677868, 15520427, -6360776, -15502406, 11461896, 16788528, -5868942), - array(-1947386, 16013773, 21750665, 3714552, -17401782, -16055433, -3770287, -10323320, 31322514, -11615635), - array(21426655, -5650218, -13648287, -5347537, -28812189, -4920970, -18275391, -14621414, 13040862, -12112948), - ), - array( - array(11293895, 12478086, -27136401, 15083750, -29307421, 14748872, 14555558, -13417103, 1613711, 4896935), - array(-25894883, 15323294, -8489791, -8057900, 25967126, -13425460, 2825960, -4897045, -23971776, -11267415), - array(-15924766, -5229880, -17443532, 6410664, 3622847, 10243618, 20615400, 12405433, -23753030, -8436416), - ), - array( - array(-7091295, 12556208, -20191352, 9025187, -17072479, 4333801, 4378436, 2432030, 23097949, -566018), - array(4565804, -16025654, 20084412, -7842817, 1724999, 189254, 24767264, 10103221, -18512313, 2424778), - array(366633, -11976806, 8173090, -6890119, 30788634, 5745705, -7168678, 1344109, -3642553, 12412659), - ), - array( - array(-24001791, 7690286, 14929416, -168257, -32210835, -13412986, 24162697, -15326504, -3141501, 11179385), - array(18289522, -14724954, 8056945, 16430056, -21729724, 7842514, -6001441, -1486897, -18684645, -11443503), - array(476239, 6601091, -6152790, -9723375, 17503545, -4863900, 27672959, 13403813, 11052904, 5219329), - ), - ), - array( - array( - array(20678546, -8375738, -32671898, 8849123, -5009758, 14574752, 31186971, -3973730, 9014762, -8579056), - array(-13644050, -10350239, -15962508, 5075808, -1514661, -11534600, -33102500, 9160280, 8473550, -3256838), - array(24900749, 14435722, 17209120, -15292541, -22592275, 9878983, -7689309, -16335821, -24568481, 11788948), - ), - array( - array(-3118155, -11395194, -13802089, 14797441, 9652448, -6845904, -20037437, 10410733, -24568470, -1458691), - array(-15659161, 16736706, -22467150, 10215878, -9097177, 7563911, 11871841, -12505194, -18513325, 8464118), - array(-23400612, 8348507, -14585951, -861714, -3950205, -6373419, 14325289, 8628612, 33313881, -8370517), - ), - array( - array(-20186973, -4967935, 22367356, 5271547, -1097117, -4788838, -24805667, -10236854, -8940735, -5818269), - array(-6948785, -1795212, -32625683, -16021179, 32635414, -7374245, 15989197, -12838188, 28358192, -4253904), - array(-23561781, -2799059, -32351682, -1661963, -9147719, 10429267, -16637684, 4072016, -5351664, 5596589), - ), - array( - array(-28236598, -3390048, 12312896, 6213178, 3117142, 16078565, 29266239, 2557221, 1768301, 15373193), - array(-7243358, -3246960, -4593467, -7553353, -127927, -912245, -1090902, -4504991, -24660491, 3442910), - array(-30210571, 5124043, 14181784, 8197961, 18964734, -11939093, 22597931, 7176455, -18585478, 13365930), - ), - array( - array(-7877390, -1499958, 8324673, 4690079, 6261860, 890446, 24538107, -8570186, -9689599, -3031667), - array(25008904, -10771599, -4305031, -9638010, 16265036, 15721635, 683793, -11823784, 15723479, -15163481), - array(-9660625, 12374379, -27006999, -7026148, -7724114, -12314514, 11879682, 5400171, 519526, -1235876), - ), - array( - array(22258397, -16332233, -7869817, 14613016, -22520255, -2950923, -20353881, 7315967, 16648397, 7605640), - array(-8081308, -8464597, -8223311, 9719710, 19259459, -15348212, 23994942, -5281555, -9468848, 4763278), - array(-21699244, 9220969, -15730624, 1084137, -25476107, -2852390, 31088447, -7764523, -11356529, 728112), - ), - array( - array(26047220, -11751471, -6900323, -16521798, 24092068, 9158119, -4273545, -12555558, -29365436, -5498272), - array(17510331, -322857, 5854289, 8403524, 17133918, -3112612, -28111007, 12327945, 10750447, 10014012), - array(-10312768, 3936952, 9156313, -8897683, 16498692, -994647, -27481051, -666732, 3424691, 7540221), - ), - array( - array(30322361, -6964110, 11361005, -4143317, 7433304, 4989748, -7071422, -16317219, -9244265, 15258046), - array(13054562, -2779497, 19155474, 469045, -12482797, 4566042, 5631406, 2711395, 1062915, -5136345), - array(-19240248, -11254599, -29509029, -7499965, -5835763, 13005411, -6066489, 12194497, 32960380, 1459310), - ), - ), - array( - array( - array(19852034, 7027924, 23669353, 10020366, 8586503, -6657907, 394197, -6101885, 18638003, -11174937), - array(31395534, 15098109, 26581030, 8030562, -16527914, -5007134, 9012486, -7584354, -6643087, -5442636), - array(-9192165, -2347377, -1997099, 4529534, 25766844, 607986, -13222, 9677543, -32294889, -6456008), - ), - array( - array(-2444496, -149937, 29348902, 8186665, 1873760, 12489863, -30934579, -7839692, -7852844, -8138429), - array(-15236356, -15433509, 7766470, 746860, 26346930, -10221762, -27333451, 10754588, -9431476, 5203576), - array(31834314, 14135496, -770007, 5159118, 20917671, -16768096, -7467973, -7337524, 31809243, 7347066), - ), - array( - array(-9606723, -11874240, 20414459, 13033986, 13716524, -11691881, 19797970, -12211255, 15192876, -2087490), - array(-12663563, -2181719, 1168162, -3804809, 26747877, -14138091, 10609330, 12694420, 33473243, -13382104), - array(33184999, 11180355, 15832085, -11385430, -1633671, 225884, 15089336, -11023903, -6135662, 14480053), - ), - array( - array(31308717, -5619998, 31030840, -1897099, 15674547, -6582883, 5496208, 13685227, 27595050, 8737275), - array(-20318852, -15150239, 10933843, -16178022, 8335352, -7546022, -31008351, -12610604, 26498114, 66511), - array(22644454, -8761729, -16671776, 4884562, -3105614, -13559366, 30540766, -4286747, -13327787, -7515095), - ), - array( - array(-28017847, 9834845, 18617207, -2681312, -3401956, -13307506, 8205540, 13585437, -17127465, 15115439), - array(23711543, -672915, 31206561, -8362711, 6164647, -9709987, -33535882, -1426096, 8236921, 16492939), - array(-23910559, -13515526, -26299483, -4503841, 25005590, -7687270, 19574902, 10071562, 6708380, -6222424), - ), - array( - array(2101391, -4930054, 19702731, 2367575, -15427167, 1047675, 5301017, 9328700, 29955601, -11678310), - array(3096359, 9271816, -21620864, -15521844, -14847996, -7592937, -25892142, -12635595, -9917575, 6216608), - array(-32615849, 338663, -25195611, 2510422, -29213566, -13820213, 24822830, -6146567, -26767480, 7525079), - ), - array( - array(-23066649, -13985623, 16133487, -7896178, -3389565, 778788, -910336, -2782495, -19386633, 11994101), - array(21691500, -13624626, -641331, -14367021, 3285881, -3483596, -25064666, 9718258, -7477437, 13381418), - array(18445390, -4202236, 14979846, 11622458, -1727110, -3582980, 23111648, -6375247, 28535282, 15779576), - ), - array( - array(30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356), - array(9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996), - array(-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099), - ), - ), - array( - array( - array(-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728), - array(-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658), - array(-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242), - ), - array( - array(-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001), - array(-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766), - array(18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373), - ), - array( - array(26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458), - array(-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628), - array(-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657), - ), - array( - array(-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062), - array(25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616), - array(31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014), - ), - array( - array(24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383), - array(-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814), - array(-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718), - ), - array( - array(30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417), - array(2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222), - array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444), - ), - array( - array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597), - array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970), - array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799), - ), - array( - array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647), - array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511), - array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032), - ), - ), - array( - array( - array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834), - array(-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461), - array(29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062), - ), - array( - array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516), - array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547), - array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240), - ), - array( - array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038), - array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741), - array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103), - ), - array( - array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747), - array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323), - array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016), - ), - array( - array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373), - array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228), - array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141), - ), - array( - array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399), - array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831), - array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376), - ), - array( - array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313), - array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958), - array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577), - ), - array( - array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743), - array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684), - array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476), - ), - ) - ); - - /** - * See: libsodium's crypto_core/curve25519/ref10/base2.h - * - * @var array<int, array<int, array<int, int>>> basically int[8][3] - */ - protected static $base2 = array( - array( - array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605), - array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378), - array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546), - ), - array( - array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024), - array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574), - array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357), - ), - array( - array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380), - array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306), - array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942), - ), - array( - array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766), - array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701), - array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300), - ), - array( - array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877), - array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951), - array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784), - ), - array( - array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436), - array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918), - array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877), - ), - array( - array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800), - array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305), - array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300), - ), - array( - array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876), - array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619), - array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683), - ) - ); - - /** - * 37095705934669439343138083508754565189542113879843219016388785533085940283555 - * - * @var array<int, int> - */ - protected static $d = array( - -10913610, - 13857413, - -15372611, - 6949391, - 114729, - -8787816, - -6275908, - -3247719, - -18696448, - -12055116 - ); - - /** - * 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161 - * - * @var array<int, int> - */ - protected static $d2 = array( - -21827239, - -5839606, - -30745221, - 13898782, - 229458, - 15978800, - -12551817, - -6495438, - 29715968, - 9444199 - ); - - /** - * sqrt(-1) - * - * @var array<int, int> - */ - protected static $sqrtm1 = array( - -32595792, - -7943725, - 9377950, - 3500415, - 12389472, - -272473, - -25146209, - -2005654, - 326686, - 11406482 - ); -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/README.md b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/README.md deleted file mode 100644 index e8097fa..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Curve25519/README.md +++ /dev/null @@ -1,3 +0,0 @@ -# Curve25519 Data Structures - -These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h). diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Ed25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Ed25519.php deleted file mode 100644 index c4ecc55..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Ed25519.php +++ /dev/null @@ -1,481 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Ed25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Ed25519 - */ -abstract class ParagonIE_Sodium_Core32_Ed25519 extends ParagonIE_Sodium_Core32_Curve25519 -{ - const KEYPAIR_BYTES = 96; - const SEED_BYTES = 32; - - /** - * @internal You should not use this directly from another application - * - * @return string (96 bytes) - * @throws Exception - * @throws SodiumException - * @throws TypeError - */ - public static function keypair() - { - $seed = random_bytes(self::SEED_BYTES); - $pk = ''; - $sk = ''; - self::seed_keypair($pk, $sk, $seed); - return $sk . $pk; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $pk - * @param string $sk - * @param string $seed - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function seed_keypair(&$pk, &$sk, $seed) - { - if (self::strlen($seed) !== self::SEED_BYTES) { - throw new RangeException('crypto_sign keypair seed must be 32 bytes long'); - } - - /** @var string $pk */ - $pk = self::publickey_from_secretkey($seed); - $sk = $seed . $pk; - return $sk; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $keypair - * @return string - * @throws TypeError - */ - public static function secretkey($keypair) - { - if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { - throw new RangeException('crypto_sign keypair must be 96 bytes long'); - } - return self::substr($keypair, 0, 64); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $keypair - * @return string - * @throws RangeException - * @throws TypeError - */ - public static function publickey($keypair) - { - if (self::strlen($keypair) !== self::KEYPAIR_BYTES) { - throw new RangeException('crypto_sign keypair must be 96 bytes long'); - } - return self::substr($keypair, 64, 32); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function publickey_from_secretkey($sk) - { - /** @var string $sk */ - $sk = hash('sha512', self::substr($sk, 0, 32), true); - $sk[0] = self::intToChr( - self::chrToInt($sk[0]) & 248 - ); - $sk[31] = self::intToChr( - (self::chrToInt($sk[31]) & 63) | 64 - ); - return self::sk_to_pk($sk); - } - - /** - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function pk_to_curve25519($pk) - { - if (self::small_order($pk)) { - throw new SodiumException('Public key is on a small order'); - } - $A = self::ge_frombytes_negate_vartime($pk); - $p1 = self::ge_mul_l($A); - if (!self::fe_isnonzero($p1->X)) { - throw new SodiumException('Unexpected zero result'); - } - - # fe_1(one_minus_y); - # fe_sub(one_minus_y, one_minus_y, A.Y); - # fe_invert(one_minus_y, one_minus_y); - $one_minux_y = self::fe_invert( - self::fe_sub( - self::fe_1(), - $A->Y - ) - ); - - - # fe_1(x); - # fe_add(x, x, A.Y); - # fe_mul(x, x, one_minus_y); - $x = self::fe_mul( - self::fe_add(self::fe_1(), $A->Y), - $one_minux_y - ); - - # fe_tobytes(curve25519_pk, x); - return self::fe_tobytes($x); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sk_to_pk($sk) - { - return self::ge_p3_tobytes( - self::ge_scalarmult_base( - self::substr($sk, 0, 32) - ) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign($message, $sk) - { - /** @var string $signature */ - $signature = self::sign_detached($message, $sk); - return $signature . $message; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message A signed message - * @param string $pk Public key - * @return string Message (without signature) - * @throws SodiumException - * @throws TypeError - */ - public static function sign_open($message, $pk) - { - /** @var string $signature */ - $signature = self::substr($message, 0, 64); - - /** @var string $message */ - $message = self::substr($message, 64); - - if (self::verify_detached($signature, $message, $pk)) { - return $message; - } - throw new SodiumException('Invalid signature'); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_detached($message, $sk) - { - # crypto_hash_sha512(az, sk, 32); - $az = hash('sha512', self::substr($sk, 0, 32), true); - - # az[0] &= 248; - # az[31] &= 63; - # az[31] |= 64; - $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); - $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); - - # crypto_hash_sha512_init(&hs); - # crypto_hash_sha512_update(&hs, az + 32, 32); - # crypto_hash_sha512_update(&hs, m, mlen); - # crypto_hash_sha512_final(&hs, nonce); - $hs = hash_init('sha512'); - hash_update($hs, self::substr($az, 32, 32)); - hash_update($hs, $message); - $nonceHash = hash_final($hs, true); - - # memmove(sig + 32, sk + 32, 32); - $pk = self::substr($sk, 32, 32); - - # sc_reduce(nonce); - # ge_scalarmult_base(&R, nonce); - # ge_p3_tobytes(sig, &R); - $nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32); - $sig = self::ge_p3_tobytes( - self::ge_scalarmult_base($nonce) - ); - - # crypto_hash_sha512_init(&hs); - # crypto_hash_sha512_update(&hs, sig, 64); - # crypto_hash_sha512_update(&hs, m, mlen); - # crypto_hash_sha512_final(&hs, hram); - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($pk, 0, 32)); - hash_update($hs, $message); - $hramHash = hash_final($hs, true); - - # sc_reduce(hram); - # sc_muladd(sig + 32, hram, az, nonce); - $hram = self::sc_reduce($hramHash); - $sigAfter = self::sc_muladd($hram, $az, $nonce); - $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); - - try { - ParagonIE_Sodium_Compat::memzero($az); - } catch (SodiumException $ex) { - $az = null; - } - return $sig; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $sig - * @param string $message - * @param string $pk - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function verify_detached($sig, $message, $pk) - { - if (self::strlen($sig) < 64) { - throw new SodiumException('Signature is too short'); - } - if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) { - throw new SodiumException('S < L - Invalid signature'); - } - if (self::small_order($sig)) { - throw new SodiumException('Signature is on too small of an order'); - } - if ((self::chrToInt($sig[63]) & 224) !== 0) { - throw new SodiumException('Invalid signature'); - } - $d = 0; - for ($i = 0; $i < 32; ++$i) { - $d |= self::chrToInt($pk[$i]); - } - if ($d === 0) { - throw new SodiumException('All zero public key'); - } - - /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ - $orig = ParagonIE_Sodium_Compat::$fastMult; - - // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. - ParagonIE_Sodium_Compat::$fastMult = true; - - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */ - $A = self::ge_frombytes_negate_vartime($pk); - - /** @var string $hDigest */ - $hDigest = hash( - 'sha512', - self::substr($sig, 0, 32) . - self::substr($pk, 0, 32) . - $message, - true - ); - - /** @var string $h */ - $h = self::sc_reduce($hDigest) . self::substr($hDigest, 32); - - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */ - $R = self::ge_double_scalarmult_vartime( - $h, - $A, - self::substr($sig, 32) - ); - - /** @var string $rcheck */ - $rcheck = self::ge_tobytes($R); - - // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. - ParagonIE_Sodium_Compat::$fastMult = $orig; - - return self::verify_32($rcheck, self::substr($sig, 0, 32)); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $S - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function check_S_lt_L($S) - { - if (self::strlen($S) < 32) { - throw new SodiumException('Signature must be 32 bytes'); - } - static $L = array( - 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10 - ); - /** @var array<int, int> $L */ - $c = 0; - $n = 1; - $i = 32; - - do { - --$i; - $x = self::chrToInt($S[$i]); - $c |= ( - (($x - $L[$i]) >> 8) & $n - ); - $n &= ( - (($x ^ $L[$i]) - 1) >> 8 - ); - } while ($i !== 0); - - return $c === 0; - } - - /** - * @param string $R - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function small_order($R) - { - static $blacklist = array( - /* 0 (order 4) */ - array( - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - ), - /* 1 (order 1) */ - array( - 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - ), - /* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ - array( - 0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, - 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, - 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, - 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05 - ), - /* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ - array( - 0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, - 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, - 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, - 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a - ), - /* p-1 (order 2) */ - array( - 0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0, - 0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0, - 0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39, - 0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85 - ), - /* p (order 4) */ - array( - 0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f, - 0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f, - 0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6, - 0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa - ), - /* p+1 (order 1) */ - array( - 0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */ - array( - 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */ - array( - 0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f - ), - /* 2p-1 (order 2) */ - array( - 0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ), - /* 2p (order 4) */ - array( - 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ), - /* 2p+1 (order 1) */ - array( - 0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - ) - ); - /** @var array<int, array<int, int>> $blacklist */ - $countBlacklist = count($blacklist); - - for ($i = 0; $i < $countBlacklist; ++$i) { - $c = 0; - for ($j = 0; $j < 32; ++$j) { - $c |= self::chrToInt($R[$j]) ^ $blacklist[$i][$j]; - } - if ($c === 0) { - return true; - } - } - return false; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HChaCha20.php deleted file mode 100644 index 551d995..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HChaCha20.php +++ /dev/null @@ -1,127 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_HChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_HChaCha20 - */ -class ParagonIE_Sodium_Core32_HChaCha20 extends ParagonIE_Sodium_Core32_ChaCha20 -{ - /** - * @param string $in - * @param string $key - * @param string|null $c - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function hChaCha20($in = '', $key = '', $c = null) - { - $ctx = array(); - - if ($c === null) { - $ctx[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); - $ctx[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); - $ctx[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); - $ctx[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); - } else { - $ctx[0] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); - $ctx[1] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); - $ctx[2] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); - $ctx[3] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); - } - $ctx[4] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)); - $ctx[5] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4)); - $ctx[6] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4)); - $ctx[7] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)); - $ctx[8] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)); - $ctx[9] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)); - $ctx[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)); - $ctx[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)); - $ctx[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); - $ctx[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); - $ctx[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); - $ctx[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); - - return self::hChaCha20Bytes($ctx); - } - - /** - * @param array $ctx - * @return string - * @throws SodiumException - * @throws TypeError - */ - protected static function hChaCha20Bytes(array $ctx) - { - /** @var ParagonIE_Sodium_Core32_Int32 $x0 */ - $x0 = $ctx[0]; - /** @var ParagonIE_Sodium_Core32_Int32 $x1 */ - $x1 = $ctx[1]; - /** @var ParagonIE_Sodium_Core32_Int32 $x2 */ - $x2 = $ctx[2]; - /** @var ParagonIE_Sodium_Core32_Int32 $x3 */ - $x3 = $ctx[3]; - /** @var ParagonIE_Sodium_Core32_Int32 $x4 */ - $x4 = $ctx[4]; - /** @var ParagonIE_Sodium_Core32_Int32 $x5 */ - $x5 = $ctx[5]; - /** @var ParagonIE_Sodium_Core32_Int32 $x6 */ - $x6 = $ctx[6]; - /** @var ParagonIE_Sodium_Core32_Int32 $x7 */ - $x7 = $ctx[7]; - /** @var ParagonIE_Sodium_Core32_Int32 $x8 */ - $x8 = $ctx[8]; - /** @var ParagonIE_Sodium_Core32_Int32 $x9 */ - $x9 = $ctx[9]; - /** @var ParagonIE_Sodium_Core32_Int32 $x10 */ - $x10 = $ctx[10]; - /** @var ParagonIE_Sodium_Core32_Int32 $x11 */ - $x11 = $ctx[11]; - /** @var ParagonIE_Sodium_Core32_Int32 $x12 */ - $x12 = $ctx[12]; - /** @var ParagonIE_Sodium_Core32_Int32 $x13 */ - $x13 = $ctx[13]; - /** @var ParagonIE_Sodium_Core32_Int32 $x14 */ - $x14 = $ctx[14]; - /** @var ParagonIE_Sodium_Core32_Int32 $x15 */ - $x15 = $ctx[15]; - - for ($i = 0; $i < 10; ++$i) { - # QUARTERROUND( x0, x4, x8, x12) - list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); - - # QUARTERROUND( x1, x5, x9, x13) - list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); - - # QUARTERROUND( x2, x6, x10, x14) - list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); - - # QUARTERROUND( x3, x7, x11, x15) - list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); - - # QUARTERROUND( x0, x5, x10, x15) - list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); - - # QUARTERROUND( x1, x6, x11, x12) - list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); - - # QUARTERROUND( x2, x7, x8, x13) - list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); - - # QUARTERROUND( x3, x4, x9, x14) - list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); - } - - return $x0->toReverseString() . - $x1->toReverseString() . - $x2->toReverseString() . - $x3->toReverseString() . - $x12->toReverseString() . - $x13->toReverseString() . - $x14->toReverseString() . - $x15->toReverseString(); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HSalsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HSalsa20.php deleted file mode 100644 index 39287f2..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/HSalsa20.php +++ /dev/null @@ -1,141 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_HSalsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_HSalsa20 - */ -abstract class ParagonIE_Sodium_Core32_HSalsa20 extends ParagonIE_Sodium_Core32_Salsa20 -{ - /** - * Calculate an hsalsa20 hash of a single block - * - * HSalsa20 doesn't have a counter and will never be used for more than - * one block (used to derive a subkey for xsalsa20). - * - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $k - * @param string|null $c - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function hsalsa20($in, $k, $c = null) - { - /** - * @var ParagonIE_Sodium_Core32_Int32 $x0 - * @var ParagonIE_Sodium_Core32_Int32 $x1 - * @var ParagonIE_Sodium_Core32_Int32 $x2 - * @var ParagonIE_Sodium_Core32_Int32 $x3 - * @var ParagonIE_Sodium_Core32_Int32 $x4 - * @var ParagonIE_Sodium_Core32_Int32 $x5 - * @var ParagonIE_Sodium_Core32_Int32 $x6 - * @var ParagonIE_Sodium_Core32_Int32 $x7 - * @var ParagonIE_Sodium_Core32_Int32 $x8 - * @var ParagonIE_Sodium_Core32_Int32 $x9 - * @var ParagonIE_Sodium_Core32_Int32 $x10 - * @var ParagonIE_Sodium_Core32_Int32 $x11 - * @var ParagonIE_Sodium_Core32_Int32 $x12 - * @var ParagonIE_Sodium_Core32_Int32 $x13 - * @var ParagonIE_Sodium_Core32_Int32 $x14 - * @var ParagonIE_Sodium_Core32_Int32 $x15 - * @var ParagonIE_Sodium_Core32_Int32 $j0 - * @var ParagonIE_Sodium_Core32_Int32 $j1 - * @var ParagonIE_Sodium_Core32_Int32 $j2 - * @var ParagonIE_Sodium_Core32_Int32 $j3 - * @var ParagonIE_Sodium_Core32_Int32 $j4 - * @var ParagonIE_Sodium_Core32_Int32 $j5 - * @var ParagonIE_Sodium_Core32_Int32 $j6 - * @var ParagonIE_Sodium_Core32_Int32 $j7 - * @var ParagonIE_Sodium_Core32_Int32 $j8 - * @var ParagonIE_Sodium_Core32_Int32 $j9 - * @var ParagonIE_Sodium_Core32_Int32 $j10 - * @var ParagonIE_Sodium_Core32_Int32 $j11 - * @var ParagonIE_Sodium_Core32_Int32 $j12 - * @var ParagonIE_Sodium_Core32_Int32 $j13 - * @var ParagonIE_Sodium_Core32_Int32 $j14 - * @var ParagonIE_Sodium_Core32_Int32 $j15 - */ - if (self::strlen($k) < 32) { - throw new RangeException('Key must be 32 bytes long'); - } - if ($c === null) { - $x0 = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); - $x5 = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); - $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); - $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); - } else { - $x0 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); - $x5 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); - $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); - $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); - } - $x1 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4)); - $x2 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4)); - $x3 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4)); - $x4 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4)); - $x6 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); - $x7 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); - $x8 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); - $x9 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); - $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4)); - $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4)); - $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4)); - $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4)); - - for ($i = self::ROUNDS; $i > 0; $i -= 2) { - $x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7)); - $x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9)); - $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13)); - $x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18)); - - $x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7)); - $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9)); - $x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13)); - $x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18)); - - $x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7)); - $x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9)); - $x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13)); - $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18)); - - $x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7)); - $x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9)); - $x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13)); - $x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18)); - - $x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7)); - $x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9)); - $x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13)); - $x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18)); - - $x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7)); - $x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9)); - $x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13)); - $x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18)); - - $x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7)); - $x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9)); - $x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13)); - $x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18)); - - $x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7)); - $x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9)); - $x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13)); - $x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18)); - } - - return $x0->toReverseString() . - $x5->toReverseString() . - $x10->toReverseString() . - $x15->toReverseString() . - $x6->toReverseString() . - $x7->toReverseString() . - $x8->toReverseString() . - $x9->toReverseString(); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int32.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int32.php deleted file mode 100644 index c3a1790..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int32.php +++ /dev/null @@ -1,871 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core32_Int32 - * - * Encapsulates a 32-bit integer. - * - * These are immutable. It always returns a new instance. - */ -class ParagonIE_Sodium_Core32_Int32 -{ - /** - * @var array<int, int> - two 16-bit integers - * - * 0 is the higher 16 bits - * 1 is the lower 16 bits - */ - public $limbs = array(0, 0); - - /** - * @var int - */ - public $overflow = 0; - - /** - * @var bool - */ - public $unsignedInt = false; - - /** - * ParagonIE_Sodium_Core32_Int32 constructor. - * @param array $array - * @param bool $unsignedInt - */ - public function __construct($array = array(0, 0), $unsignedInt = false) - { - $this->limbs = array( - (int) $array[0], - (int) $array[1] - ); - $this->overflow = 0; - $this->unsignedInt = $unsignedInt; - } - - /** - * Adds two int32 objects - * - * @param ParagonIE_Sodium_Core32_Int32 $addend - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend) - { - $i0 = $this->limbs[0]; - $i1 = $this->limbs[1]; - $j0 = $addend->limbs[0]; - $j1 = $addend->limbs[1]; - - $r1 = $i1 + ($j1 & 0xffff); - $carry = $r1 >> 16; - - $r0 = $i0 + ($j0 & 0xffff) + $carry; - $carry = $r0 >> 16; - - $r0 &= 0xffff; - $r1 &= 0xffff; - - $return = new ParagonIE_Sodium_Core32_Int32( - array($r0, $r1) - ); - $return->overflow = $carry; - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * Adds a normal integer to an int32 object - * - * @param int $int - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - */ - public function addInt($int) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - /** @var int $int */ - $int = (int) $int; - - $int = (int) $int; - - $i0 = $this->limbs[0]; - $i1 = $this->limbs[1]; - - $r1 = $i1 + ($int & 0xffff); - $carry = $r1 >> 16; - - $r0 = $i0 + (($int >> 16) & 0xffff) + $carry; - $carry = $r0 >> 16; - $r0 &= 0xffff; - $r1 &= 0xffff; - $return = new ParagonIE_Sodium_Core32_Int32( - array($r0, $r1) - ); - $return->overflow = $carry; - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * @param int $b - * @return int - */ - public function compareInt($b = 0) - { - $gt = 0; - $eq = 1; - - $i = 2; - $j = 0; - while ($i > 0) { - --$i; - /** @var int $x1 */ - $x1 = $this->limbs[$i]; - /** @var int $x2 */ - $x2 = ($b >> ($j << 4)) & 0xffff; - /** @var int $gt */ - $gt |= (($x2 - $x1) >> 8) & $eq; - /** @var int $eq */ - $eq &= (($x2 ^ $x1) - 1) >> 8; - } - return ($gt + $gt - $eq) + 1; - } - - /** - * @param int $m - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function mask($m = 0) - { - /** @var int $hi */ - $hi = ($m >> 16) & 0xffff; - /** @var int $lo */ - $lo = ($m & 0xffff); - return new ParagonIE_Sodium_Core32_Int32( - array( - (int) ($this->limbs[0] & $hi), - (int) ($this->limbs[1] & $lo) - ), - $this->unsignedInt - ); - } - - /** - * @param array<int, int> $a - * @param array<int, int> $b - * @param int $baseLog2 - * @return array<int, int> - */ - public function multiplyLong(array $a, array $b, $baseLog2 = 16) - { - $a_l = count($a); - $b_l = count($b); - /** @var array<int, int> $r */ - $r = array_fill(0, $a_l + $b_l + 1, 0); - $base = 1 << $baseLog2; - for ($i = 0; $i < $a_l; ++$i) { - $a_i = $a[$i]; - for ($j = 0; $j < $a_l; ++$j) { - $b_j = $b[$j]; - $product = ($a_i * $b_j) + $r[$i + $j]; - $carry = ($product >> $baseLog2 & 0xffff); - $r[$i + $j] = ($product - (int) ($carry * $base)) & 0xffff; - $r[$i + $j + 1] += $carry; - } - } - return array_slice($r, 0, 5); - } - - /** - * @param int $int - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function mulIntFast($int) - { - // Handle negative numbers - $aNeg = ($this->limbs[0] >> 15) & 1; - $bNeg = ($int >> 31) & 1; - $a = array_reverse($this->limbs); - $b = array( - $int & 0xffff, - ($int >> 16) & 0xffff - ); - if ($aNeg) { - for ($i = 0; $i < 2; ++$i) { - $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; - } - ++$a[0]; - } - if ($bNeg) { - for ($i = 0; $i < 2; ++$i) { - $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; - } - ++$b[0]; - } - // Multiply - $res = $this->multiplyLong($a, $b); - - // Re-apply negation to results - if ($aNeg !== $bNeg) { - for ($i = 0; $i < 2; ++$i) { - $res[$i] = (0xffff ^ $res[$i]) & 0xffff; - } - // Handle integer overflow - $c = 1; - for ($i = 0; $i < 2; ++$i) { - $res[$i] += $c; - $c = $res[$i] >> 16; - $res[$i] &= 0xffff; - } - } - - // Return our values - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->limbs = array( - $res[1] & 0xffff, - $res[0] & 0xffff - ); - if (count($res) > 2) { - $return->overflow = $res[2] & 0xffff; - } - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * @param ParagonIE_Sodium_Core32_Int32 $right - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function mulInt32Fast(ParagonIE_Sodium_Core32_Int32 $right) - { - $aNeg = ($this->limbs[0] >> 15) & 1; - $bNeg = ($right->limbs[0] >> 15) & 1; - - $a = array_reverse($this->limbs); - $b = array_reverse($right->limbs); - if ($aNeg) { - for ($i = 0; $i < 2; ++$i) { - $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; - } - ++$a[0]; - } - if ($bNeg) { - for ($i = 0; $i < 2; ++$i) { - $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; - } - ++$b[0]; - } - $res = $this->multiplyLong($a, $b); - if ($aNeg !== $bNeg) { - if ($aNeg !== $bNeg) { - for ($i = 0; $i < 2; ++$i) { - $res[$i] = ($res[$i] ^ 0xffff) & 0xffff; - } - $c = 1; - for ($i = 0; $i < 2; ++$i) { - $res[$i] += $c; - $c = $res[$i] >> 16; - $res[$i] &= 0xffff; - } - } - } - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->limbs = array( - $res[1] & 0xffff, - $res[0] & 0xffff - ); - if (count($res) > 2) { - $return->overflow = $res[2]; - } - return $return; - } - - /** - * @param int $int - * @param int $size - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - */ - public function mulInt($int = 0, $size = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); - if (ParagonIE_Sodium_Compat::$fastMult) { - return $this->mulIntFast((int) $int); - } - /** @var int $int */ - $int = (int) $int; - /** @var int $size */ - $size = (int) $size; - - if (!$size) { - $size = 31; - } - /** @var int $size */ - - $a = clone $this; - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - - // Initialize: - $ret0 = 0; - $ret1 = 0; - $a0 = $a->limbs[0]; - $a1 = $a->limbs[1]; - - /** @var int $size */ - /** @var int $i */ - for ($i = $size; $i >= 0; --$i) { - $m = (int) (-($int & 1)); - $x0 = $a0 & $m; - $x1 = $a1 & $m; - - $ret1 += $x1; - $c = $ret1 >> 16; - - $ret0 += $x0 + $c; - - $ret0 &= 0xffff; - $ret1 &= 0xffff; - - $a1 = ($a1 << 1); - $x1 = $a1 >> 16; - $a0 = ($a0 << 1) | $x1; - $a0 &= 0xffff; - $a1 &= 0xffff; - $int >>= 1; - } - $return->limbs[0] = $ret0; - $return->limbs[1] = $ret1; - return $return; - } - - /** - * @param ParagonIE_Sodium_Core32_Int32 $int - * @param int $size - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - */ - public function mulInt32(ParagonIE_Sodium_Core32_Int32 $int, $size = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); - if (ParagonIE_Sodium_Compat::$fastMult) { - return $this->mulInt32Fast($int); - } - if (!$size) { - $size = 31; - } - /** @var int $size */ - - $a = clone $this; - $b = clone $int; - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - - // Initialize: - $ret0 = 0; - $ret1 = 0; - $a0 = $a->limbs[0]; - $a1 = $a->limbs[1]; - $b0 = $b->limbs[0]; - $b1 = $b->limbs[1]; - - /** @var int $size */ - /** @var int $i */ - for ($i = $size; $i >= 0; --$i) { - $m = (int) (-($b1 & 1)); - $x0 = $a0 & $m; - $x1 = $a1 & $m; - - $ret1 += $x1; - $c = $ret1 >> 16; - - $ret0 += $x0 + $c; - - $ret0 &= 0xffff; - $ret1 &= 0xffff; - - $a1 = ($a1 << 1); - $x1 = $a1 >> 16; - $a0 = ($a0 << 1) | $x1; - $a0 &= 0xffff; - $a1 &= 0xffff; - - $x0 = ($b0 & 1) << 16; - $b0 = ($b0 >> 1); - $b1 = (($b1 | $x0) >> 1); - - $b0 &= 0xffff; - $b1 &= 0xffff; - - } - $return->limbs[0] = $ret0; - $return->limbs[1] = $ret1; - - return $return; - } - - /** - * OR this 32-bit integer with another. - * - * @param ParagonIE_Sodium_Core32_Int32 $b - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function orInt32(ParagonIE_Sodium_Core32_Int32 $b) - { - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $return->limbs = array( - (int) ($this->limbs[0] | $b->limbs[0]), - (int) ($this->limbs[1] | $b->limbs[1]) - ); - /** @var int overflow */ - $return->overflow = $this->overflow | $b->overflow; - return $return; - } - - /** - * @param int $b - * @return bool - */ - public function isGreaterThan($b = 0) - { - return $this->compareInt($b) > 0; - } - - /** - * @param int $b - * @return bool - */ - public function isLessThanInt($b = 0) - { - return $this->compareInt($b) < 0; - } - - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - */ - public function rotateLeft($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $c &= 31; - if ($c === 0) { - // NOP, but we want a copy. - $return->limbs = $this->limbs; - } else { - /** @var int $c */ - - /** @var int $idx_shift */ - $idx_shift = ($c >> 4) & 1; - - /** @var int $sub_shift */ - $sub_shift = $c & 15; - - /** @var array<int, int> $limbs */ - $limbs =& $return->limbs; - - /** @var array<int, int> $myLimbs */ - $myLimbs =& $this->limbs; - - for ($i = 1; $i >= 0; --$i) { - /** @var int $j */ - $j = ($i + $idx_shift) & 1; - /** @var int $k */ - $k = ($i + $idx_shift + 1) & 1; - $limbs[$i] = (int) ( - ( - ((int) ($myLimbs[$j]) << $sub_shift) - | - ((int) ($myLimbs[$k]) >> (16 - $sub_shift)) - ) & 0xffff - ); - } - } - return $return; - } - - /** - * Rotate to the right - * - * @param int $c - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - */ - public function rotateRight($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $c &= 31; - /** @var int $c */ - if ($c === 0) { - // NOP, but we want a copy. - $return->limbs = $this->limbs; - } else { - /** @var int $c */ - - /** @var int $idx_shift */ - $idx_shift = ($c >> 4) & 1; - - /** @var int $sub_shift */ - $sub_shift = $c & 15; - - /** @var array<int, int> $limbs */ - $limbs =& $return->limbs; - - /** @var array<int, int> $myLimbs */ - $myLimbs =& $this->limbs; - - for ($i = 1; $i >= 0; --$i) { - /** @var int $j */ - $j = ($i - $idx_shift) & 1; - /** @var int $k */ - $k = ($i - $idx_shift - 1) & 1; - $limbs[$i] = (int) ( - ( - ((int) ($myLimbs[$j]) >> (int) ($sub_shift)) - | - ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift))) - ) & 0xffff - ); - } - } - return $return; - } - - /** - * @param bool $bool - * @return self - */ - public function setUnsignedInt($bool = false) - { - $this->unsignedInt = !empty($bool); - return $this; - } - - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - */ - public function shiftLeft($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - /** @var int $c */ - if ($c === 0) { - $return->limbs = $this->limbs; - } elseif ($c < 0) { - /** @var int $c */ - return $this->shiftRight(-$c); - } else { - /** @var int $c */ - /** @var int $tmp */ - $tmp = $this->limbs[1] << $c; - $return->limbs[1] = (int)($tmp & 0xffff); - /** @var int $carry */ - $carry = $tmp >> 16; - - /** @var int $tmp */ - $tmp = ($this->limbs[0] << $c) | ($carry & 0xffff); - $return->limbs[0] = (int) ($tmp & 0xffff); - } - return $return; - } - - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedOperand - */ - public function shiftRight($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - /** @var int $c */ - if ($c >= 16) { - $return->limbs = array( - (int) ($this->overflow & 0xffff), - (int) ($this->limbs[0]) - ); - $return->overflow = $this->overflow >> 16; - return $return->shiftRight($c & 15); - } - if ($c === 0) { - $return->limbs = $this->limbs; - } elseif ($c < 0) { - /** @var int $c */ - return $this->shiftLeft(-$c); - } else { - if (!is_int($c)) { - throw new TypeError(); - } - /** @var int $c */ - // $return->limbs[0] = (int) (($this->limbs[0] >> $c) & 0xffff); - $carryLeft = (int) ($this->overflow & ((1 << ($c + 1)) - 1)); - $return->limbs[0] = (int) ((($this->limbs[0] >> $c) | ($carryLeft << (16 - $c))) & 0xffff); - $carryRight = (int) ($this->limbs[0] & ((1 << ($c + 1)) - 1)); - $return->limbs[1] = (int) ((($this->limbs[1] >> $c) | ($carryRight << (16 - $c))) & 0xffff); - $return->overflow >>= $c; - } - return $return; - } - - /** - * Subtract a normal integer from an int32 object. - * - * @param int $int - * @return ParagonIE_Sodium_Core32_Int32 - * @throws SodiumException - * @throws TypeError - */ - public function subInt($int) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - /** @var int $int */ - $int = (int) $int; - - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - - /** @var int $tmp */ - $tmp = $this->limbs[1] - ($int & 0xffff); - /** @var int $carry */ - $carry = $tmp >> 16; - $return->limbs[1] = (int) ($tmp & 0xffff); - - /** @var int $tmp */ - $tmp = $this->limbs[0] - (($int >> 16) & 0xffff) + $carry; - $return->limbs[0] = (int) ($tmp & 0xffff); - return $return; - } - - /** - * Subtract two int32 objects from each other - * - * @param ParagonIE_Sodium_Core32_Int32 $b - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function subInt32(ParagonIE_Sodium_Core32_Int32 $b) - { - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - - /** @var int $tmp */ - $tmp = $this->limbs[1] - ($b->limbs[1] & 0xffff); - /** @var int $carry */ - $carry = $tmp >> 16; - $return->limbs[1] = (int) ($tmp & 0xffff); - - /** @var int $tmp */ - $tmp = $this->limbs[0] - ($b->limbs[0] & 0xffff) + $carry; - $return->limbs[0] = (int) ($tmp & 0xffff); - return $return; - } - - /** - * XOR this 32-bit integer with another. - * - * @param ParagonIE_Sodium_Core32_Int32 $b - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function xorInt32(ParagonIE_Sodium_Core32_Int32 $b) - { - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->unsignedInt = $this->unsignedInt; - $return->limbs = array( - (int) ($this->limbs[0] ^ $b->limbs[0]), - (int) ($this->limbs[1] ^ $b->limbs[1]) - ); - return $return; - } - - /** - * @param int $signed - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromInt($signed) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($signed, 'int', 1);; - /** @var int $signed */ - $signed = (int) $signed; - - return new ParagonIE_Sodium_Core32_Int32( - array( - (int) (($signed >> 16) & 0xffff), - (int) ($signed & 0xffff) - ) - ); - } - - /** - * @param string $string - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromString($string) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); - $string = (string) $string; - if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { - throw new RangeException( - 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' - ); - } - $return = new ParagonIE_Sodium_Core32_Int32(); - - $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8); - $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff); - $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8); - $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff); - return $return; - } - - /** - * @param string $string - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromReverseString($string) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); - $string = (string) $string; - if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { - throw new RangeException( - 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' - ); - } - $return = new ParagonIE_Sodium_Core32_Int32(); - - $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8); - $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff); - $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8); - $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff); - return $return; - } - - /** - * @return array<int, int> - */ - public function toArray() - { - return array((int) ($this->limbs[0] << 16 | $this->limbs[1])); - } - - /** - * @return string - * @throws TypeError - */ - public function toString() - { - return - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff); - } - - /** - * @return int - */ - public function toInt() - { - return (int) ( - (($this->limbs[0] & 0xffff) << 16) - | - ($this->limbs[1] & 0xffff) - ); - } - - /** - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function toInt32() - { - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->limbs[0] = (int) ($this->limbs[0] & 0xffff); - $return->limbs[1] = (int) ($this->limbs[1] & 0xffff); - $return->unsignedInt = $this->unsignedInt; - $return->overflow = (int) ($this->overflow & 0x7fffffff); - return $return; - } - - /** - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function toInt64() - { - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - if ($this->unsignedInt) { - $return->limbs[0] += (($this->overflow >> 16) & 0xffff); - $return->limbs[1] += (($this->overflow) & 0xffff); - } else { - $neg = -(($this->limbs[0] >> 15) & 1); - $return->limbs[0] = (int)($neg & 0xffff); - $return->limbs[1] = (int)($neg & 0xffff); - } - $return->limbs[2] = (int) ($this->limbs[0] & 0xffff); - $return->limbs[3] = (int) ($this->limbs[1] & 0xffff); - return $return; - } - - /** - * @return string - * @throws TypeError - */ - public function toReverseString() - { - return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff); - } - - /** - * @return string - */ - public function __toString() - { - try { - return $this->toString(); - } catch (TypeError $ex) { - // PHP engine can't handle exceptions from __toString() - return ''; - } - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int64.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int64.php deleted file mode 100644 index dd06a3f..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Int64.php +++ /dev/null @@ -1,1066 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core32_Int64 - * - * Encapsulates a 64-bit integer. - * - * These are immutable. It always returns a new instance. - */ -class ParagonIE_Sodium_Core32_Int64 -{ - /** - * @var array<int, int> - four 16-bit integers - */ - public $limbs = array(0, 0, 0, 0); - - /** - * @var int - */ - public $overflow = 0; - - /** - * @var bool - */ - public $unsignedInt = false; - - /** - * ParagonIE_Sodium_Core32_Int64 constructor. - * @param array $array - * @param bool $unsignedInt - */ - public function __construct($array = array(0, 0, 0, 0), $unsignedInt = false) - { - $this->limbs = array( - (int) $array[0], - (int) $array[1], - (int) $array[2], - (int) $array[3] - ); - $this->overflow = 0; - $this->unsignedInt = $unsignedInt; - } - - /** - * Adds two int64 objects - * - * @param ParagonIE_Sodium_Core32_Int64 $addend - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function addInt64(ParagonIE_Sodium_Core32_Int64 $addend) - { - $i0 = $this->limbs[0]; - $i1 = $this->limbs[1]; - $i2 = $this->limbs[2]; - $i3 = $this->limbs[3]; - $j0 = $addend->limbs[0]; - $j1 = $addend->limbs[1]; - $j2 = $addend->limbs[2]; - $j3 = $addend->limbs[3]; - - $r3 = $i3 + ($j3 & 0xffff); - $carry = $r3 >> 16; - - $r2 = $i2 + ($j2 & 0xffff) + $carry; - $carry = $r2 >> 16; - - $r1 = $i1 + ($j1 & 0xffff) + $carry; - $carry = $r1 >> 16; - - $r0 = $i0 + ($j0 & 0xffff) + $carry; - $carry = $r0 >> 16; - - $r0 &= 0xffff; - $r1 &= 0xffff; - $r2 &= 0xffff; - $r3 &= 0xffff; - - $return = new ParagonIE_Sodium_Core32_Int64( - array($r0, $r1, $r2, $r3) - ); - $return->overflow = $carry; - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * Adds a normal integer to an int64 object - * - * @param int $int - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public function addInt($int) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - /** @var int $int */ - $int = (int) $int; - - $i0 = $this->limbs[0]; - $i1 = $this->limbs[1]; - $i2 = $this->limbs[2]; - $i3 = $this->limbs[3]; - - $r3 = $i3 + ($int & 0xffff); - $carry = $r3 >> 16; - - $r2 = $i2 + (($int >> 16) & 0xffff) + $carry; - $carry = $r2 >> 16; - - $r1 = $i1 + $carry; - $carry = $r1 >> 16; - - $r0 = $i0 + $carry; - $carry = $r0 >> 16; - - $r0 &= 0xffff; - $r1 &= 0xffff; - $r2 &= 0xffff; - $r3 &= 0xffff; - $return = new ParagonIE_Sodium_Core32_Int64( - array($r0, $r1, $r2, $r3) - ); - $return->overflow = $carry; - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * @param int $b - * @return int - */ - public function compareInt($b = 0) - { - $gt = 0; - $eq = 1; - - $i = 4; - $j = 0; - while ($i > 0) { - --$i; - /** @var int $x1 */ - $x1 = $this->limbs[$i]; - /** @var int $x2 */ - $x2 = ($b >> ($j << 4)) & 0xffff; - /** int */ - $gt |= (($x2 - $x1) >> 8) & $eq; - /** int */ - $eq &= (($x2 ^ $x1) - 1) >> 8; - } - return ($gt + $gt - $eq) + 1; - } - - /** - * @param int $b - * @return bool - */ - public function isGreaterThan($b = 0) - { - return $this->compareInt($b) > 0; - } - - /** - * @param int $b - * @return bool - */ - public function isLessThanInt($b = 0) - { - return $this->compareInt($b) < 0; - } - - /** - * @param int $hi - * @param int $lo - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function mask64($hi = 0, $lo = 0) - { - /** @var int $a */ - $a = ($hi >> 16) & 0xffff; - /** @var int $b */ - $b = ($hi) & 0xffff; - /** @var int $c */ - $c = ($lo >> 16) & 0xffff; - /** @var int $d */ - $d = ($lo & 0xffff); - return new ParagonIE_Sodium_Core32_Int64( - array( - $this->limbs[0] & $a, - $this->limbs[1] & $b, - $this->limbs[2] & $c, - $this->limbs[3] & $d - ), - $this->unsignedInt - ); - } - - /** - * @param int $int - * @param int $size - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - */ - public function mulInt($int = 0, $size = 0) - { - if (ParagonIE_Sodium_Compat::$fastMult) { - return $this->mulIntFast($int); - } - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); - /** @var int $int */ - $int = (int) $int; - /** @var int $size */ - $size = (int) $size; - - if (!$size) { - $size = 63; - } - - $a = clone $this; - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - - // Initialize: - $ret0 = 0; - $ret1 = 0; - $ret2 = 0; - $ret3 = 0; - $a0 = $a->limbs[0]; - $a1 = $a->limbs[1]; - $a2 = $a->limbs[2]; - $a3 = $a->limbs[3]; - - /** @var int $size */ - /** @var int $i */ - for ($i = $size; $i >= 0; --$i) { - $mask = -($int & 1); - $x0 = $a0 & $mask; - $x1 = $a1 & $mask; - $x2 = $a2 & $mask; - $x3 = $a3 & $mask; - - $ret3 += $x3; - $c = $ret3 >> 16; - - $ret2 += $x2 + $c; - $c = $ret2 >> 16; - - $ret1 += $x1 + $c; - $c = $ret1 >> 16; - - $ret0 += $x0 + $c; - - $ret0 &= 0xffff; - $ret1 &= 0xffff; - $ret2 &= 0xffff; - $ret3 &= 0xffff; - - $a3 = $a3 << 1; - $x3 = $a3 >> 16; - $a2 = ($a2 << 1) | $x3; - $x2 = $a2 >> 16; - $a1 = ($a1 << 1) | $x2; - $x1 = $a1 >> 16; - $a0 = ($a0 << 1) | $x1; - $a0 &= 0xffff; - $a1 &= 0xffff; - $a2 &= 0xffff; - $a3 &= 0xffff; - - $int >>= 1; - } - $return->limbs[0] = $ret0; - $return->limbs[1] = $ret1; - $return->limbs[2] = $ret2; - $return->limbs[3] = $ret3; - return $return; - } - - /** - * @param ParagonIE_Sodium_Core32_Int64 $A - * @param ParagonIE_Sodium_Core32_Int64 $B - * @return array<int, ParagonIE_Sodium_Core32_Int64> - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedInferredReturnType - */ - public static function ctSelect( - ParagonIE_Sodium_Core32_Int64 $A, - ParagonIE_Sodium_Core32_Int64 $B - ) { - $a = clone $A; - $b = clone $B; - /** @var int $aNeg */ - $aNeg = ($a->limbs[0] >> 15) & 1; - /** @var int $bNeg */ - $bNeg = ($b->limbs[0] >> 15) & 1; - /** @var int $m */ - $m = (-($aNeg & $bNeg)) | 1; - /** @var int $swap */ - $swap = $bNeg & ~$aNeg; - /** @var int $d */ - $d = -$swap; - - /* - if ($bNeg && !$aNeg) { - $a = clone $int; - $b = clone $this; - } elseif($bNeg && $aNeg) { - $a = $this->mulInt(-1); - $b = $int->mulInt(-1); - } - */ - $x = $a->xorInt64($b)->mask64($d, $d); - return array( - $a->xorInt64($x)->mulInt($m), - $b->xorInt64($x)->mulInt($m) - ); - } - - /** - * @param array<int, int> $a - * @param array<int, int> $b - * @param int $baseLog2 - * @return array<int, int> - */ - public function multiplyLong(array $a, array $b, $baseLog2 = 16) - { - $a_l = count($a); - $b_l = count($b); - /** @var array<int, int> $r */ - $r = array_fill(0, $a_l + $b_l + 1, 0); - $base = 1 << $baseLog2; - for ($i = 0; $i < $a_l; ++$i) { - $a_i = $a[$i]; - for ($j = 0; $j < $a_l; ++$j) { - $b_j = $b[$j]; - $product = ($a_i * $b_j) + $r[$i + $j]; - $carry = ($product >> $baseLog2 & 0xffff); - $r[$i + $j] = ($product - (int) ($carry * $base)) & 0xffff; - $r[$i + $j + 1] += $carry; - } - } - return array_slice($r, 0, 5); - } - - /** - * @param int $int - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function mulIntFast($int) - { - // Handle negative numbers - $aNeg = ($this->limbs[0] >> 15) & 1; - $bNeg = ($int >> 31) & 1; - $a = array_reverse($this->limbs); - $b = array( - $int & 0xffff, - ($int >> 16) & 0xffff, - -$bNeg & 0xffff, - -$bNeg & 0xffff - ); - if ($aNeg) { - for ($i = 0; $i < 4; ++$i) { - $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; - } - ++$a[0]; - } - if ($bNeg) { - for ($i = 0; $i < 4; ++$i) { - $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; - } - ++$b[0]; - } - // Multiply - $res = $this->multiplyLong($a, $b); - - // Re-apply negation to results - if ($aNeg !== $bNeg) { - for ($i = 0; $i < 4; ++$i) { - $res[$i] = (0xffff ^ $res[$i]) & 0xffff; - } - // Handle integer overflow - $c = 1; - for ($i = 0; $i < 4; ++$i) { - $res[$i] += $c; - $c = $res[$i] >> 16; - $res[$i] &= 0xffff; - } - } - - // Return our values - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->limbs = array( - $res[3] & 0xffff, - $res[2] & 0xffff, - $res[1] & 0xffff, - $res[0] & 0xffff - ); - if (count($res) > 4) { - $return->overflow = $res[4] & 0xffff; - } - $return->unsignedInt = $this->unsignedInt; - return $return; - } - - /** - * @param ParagonIE_Sodium_Core32_Int64 $right - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function mulInt64Fast(ParagonIE_Sodium_Core32_Int64 $right) - { - $aNeg = ($this->limbs[0] >> 15) & 1; - $bNeg = ($right->limbs[0] >> 15) & 1; - - $a = array_reverse($this->limbs); - $b = array_reverse($right->limbs); - if ($aNeg) { - for ($i = 0; $i < 4; ++$i) { - $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; - } - ++$a[0]; - } - if ($bNeg) { - for ($i = 0; $i < 4; ++$i) { - $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; - } - ++$b[0]; - } - $res = $this->multiplyLong($a, $b); - if ($aNeg !== $bNeg) { - if ($aNeg !== $bNeg) { - for ($i = 0; $i < 4; ++$i) { - $res[$i] = ($res[$i] ^ 0xffff) & 0xffff; - } - $c = 1; - for ($i = 0; $i < 4; ++$i) { - $res[$i] += $c; - $c = $res[$i] >> 16; - $res[$i] &= 0xffff; - } - } - } - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->limbs = array( - $res[3] & 0xffff, - $res[2] & 0xffff, - $res[1] & 0xffff, - $res[0] & 0xffff - ); - if (count($res) > 4) { - $return->overflow = $res[4]; - } - return $return; - } - - /** - * @param ParagonIE_Sodium_Core32_Int64 $int - * @param int $size - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - */ - public function mulInt64(ParagonIE_Sodium_Core32_Int64 $int, $size = 0) - { - if (ParagonIE_Sodium_Compat::$fastMult) { - return $this->mulInt64Fast($int); - } - ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); - if (!$size) { - $size = 63; - } - list($a, $b) = self::ctSelect($this, $int); - - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - - // Initialize: - $ret0 = 0; - $ret1 = 0; - $ret2 = 0; - $ret3 = 0; - $a0 = $a->limbs[0]; - $a1 = $a->limbs[1]; - $a2 = $a->limbs[2]; - $a3 = $a->limbs[3]; - $b0 = $b->limbs[0]; - $b1 = $b->limbs[1]; - $b2 = $b->limbs[2]; - $b3 = $b->limbs[3]; - - /** @var int $size */ - /** @var int $i */ - for ($i = (int) $size; $i >= 0; --$i) { - $mask = -($b3 & 1); - $x0 = $a0 & $mask; - $x1 = $a1 & $mask; - $x2 = $a2 & $mask; - $x3 = $a3 & $mask; - - $ret3 += $x3; - $c = $ret3 >> 16; - - $ret2 += $x2 + $c; - $c = $ret2 >> 16; - - $ret1 += $x1 + $c; - $c = $ret1 >> 16; - - $ret0 += $x0 + $c; - - $ret0 &= 0xffff; - $ret1 &= 0xffff; - $ret2 &= 0xffff; - $ret3 &= 0xffff; - - $a3 = $a3 << 1; - $x3 = $a3 >> 16; - $a2 = ($a2 << 1) | $x3; - $x2 = $a2 >> 16; - $a1 = ($a1 << 1) | $x2; - $x1 = $a1 >> 16; - $a0 = ($a0 << 1) | $x1; - $a0 &= 0xffff; - $a1 &= 0xffff; - $a2 &= 0xffff; - $a3 &= 0xffff; - - $x0 = ($b0 & 1) << 16; - $x1 = ($b1 & 1) << 16; - $x2 = ($b2 & 1) << 16; - - $b0 = ($b0 >> 1); - $b1 = (($b1 | $x0) >> 1); - $b2 = (($b2 | $x1) >> 1); - $b3 = (($b3 | $x2) >> 1); - - $b0 &= 0xffff; - $b1 &= 0xffff; - $b2 &= 0xffff; - $b3 &= 0xffff; - - } - $return->limbs[0] = $ret0; - $return->limbs[1] = $ret1; - $return->limbs[2] = $ret2; - $return->limbs[3] = $ret3; - - return $return; - } - - /** - * OR this 64-bit integer with another. - * - * @param ParagonIE_Sodium_Core32_Int64 $b - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function orInt64(ParagonIE_Sodium_Core32_Int64 $b) - { - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $return->limbs = array( - (int) ($this->limbs[0] | $b->limbs[0]), - (int) ($this->limbs[1] | $b->limbs[1]), - (int) ($this->limbs[2] | $b->limbs[2]), - (int) ($this->limbs[3] | $b->limbs[3]) - ); - return $return; - } - - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - */ - public function rotateLeft($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - if ($c === 0) { - // NOP, but we want a copy. - $return->limbs = $this->limbs; - } else { - /** @var array<int, int> $limbs */ - $limbs =& $return->limbs; - - /** @var array<int, int> $myLimbs */ - $myLimbs =& $this->limbs; - - /** @var int $idx_shift */ - $idx_shift = ($c >> 4) & 3; - /** @var int $sub_shift */ - $sub_shift = $c & 15; - - for ($i = 3; $i >= 0; --$i) { - /** @var int $j */ - $j = ($i + $idx_shift) & 3; - /** @var int $k */ - $k = ($i + $idx_shift + 1) & 3; - $limbs[$i] = (int) ( - ( - ((int) ($myLimbs[$j]) << $sub_shift) - | - ((int) ($myLimbs[$k]) >> (16 - $sub_shift)) - ) & 0xffff - ); - } - } - return $return; - } - - /** - * Rotate to the right - * - * @param int $c - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedArrayAccess - */ - public function rotateRight($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - /** @var ParagonIE_Sodium_Core32_Int64 $return */ - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - /** @var int $c */ - if ($c === 0) { - // NOP, but we want a copy. - $return->limbs = $this->limbs; - } else { - /** @var array<int, int> $limbs */ - $limbs =& $return->limbs; - - /** @var array<int, int> $myLimbs */ - $myLimbs =& $this->limbs; - - /** @var int $idx_shift */ - $idx_shift = ($c >> 4) & 3; - /** @var int $sub_shift */ - $sub_shift = $c & 15; - - for ($i = 3; $i >= 0; --$i) { - /** @var int $j */ - $j = ($i - $idx_shift) & 3; - /** @var int $k */ - $k = ($i - $idx_shift - 1) & 3; - $limbs[$i] = (int) ( - ( - ((int) ($myLimbs[$j]) >> (int) ($sub_shift)) - | - ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift))) - ) & 0xffff - ); - } - } - return $return; - } - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public function shiftLeft($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - /** @var int $c */ - $c = (int) $c; - - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - - if ($c >= 16) { - if ($c >= 48) { - $return->limbs = array( - $this->limbs[3], 0, 0, 0 - ); - } elseif ($c >= 32) { - $return->limbs = array( - $this->limbs[2], $this->limbs[3], 0, 0 - ); - } else { - $return->limbs = array( - $this->limbs[1], $this->limbs[2], $this->limbs[3], 0 - ); - } - return $return->shiftLeft($c & 15); - } - if ($c === 0) { - $return->limbs = $this->limbs; - } elseif ($c < 0) { - /** @var int $c */ - return $this->shiftRight(-$c); - } else { - if (!is_int($c)) { - throw new TypeError(); - } - /** @var int $carry */ - $carry = 0; - for ($i = 3; $i >= 0; --$i) { - /** @var int $tmp */ - $tmp = ($this->limbs[$i] << $c) | ($carry & 0xffff); - $return->limbs[$i] = (int) ($tmp & 0xffff); - /** @var int $carry */ - $carry = $tmp >> 16; - } - } - return $return; - } - - /** - * @param int $c - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public function shiftRight($c = 0) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); - $c = (int) $c; - /** @var int $c */ - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $c &= 63; - - $negative = -(($this->limbs[0] >> 15) & 1); - if ($c >= 16) { - if ($c >= 48) { - $return->limbs = array( - (int) ($negative & 0xffff), - (int) ($negative & 0xffff), - (int) ($negative & 0xffff), - (int) $this->limbs[0] - ); - } elseif ($c >= 32) { - $return->limbs = array( - (int) ($negative & 0xffff), - (int) ($negative & 0xffff), - (int) $this->limbs[0], - (int) $this->limbs[1] - ); - } else { - $return->limbs = array( - (int) ($negative & 0xffff), - (int) $this->limbs[0], - (int) $this->limbs[1], - (int) $this->limbs[2] - ); - } - return $return->shiftRight($c & 15); - } - - if ($c === 0) { - $return->limbs = $this->limbs; - } elseif ($c < 0) { - return $this->shiftLeft(-$c); - } else { - if (!is_int($c)) { - throw new TypeError(); - } - /** @var int $carryRight */ - $carryRight = ($negative & 0xffff); - $mask = (int) (((1 << ($c + 1)) - 1) & 0xffff); - for ($i = 0; $i < 4; ++$i) { - $return->limbs[$i] = (int) ( - (($this->limbs[$i] >> $c) | ($carryRight << (16 - $c))) & 0xffff - ); - $carryRight = (int) ($this->limbs[$i] & $mask); - } - } - return $return; - } - - - /** - * Subtract a normal integer from an int64 object. - * - * @param int $int - * @return ParagonIE_Sodium_Core32_Int64 - * @throws SodiumException - * @throws TypeError - */ - public function subInt($int) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); - $int = (int) $int; - - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - - /** @var int $carry */ - $carry = 0; - for ($i = 3; $i >= 0; --$i) { - /** @var int $tmp */ - $tmp = $this->limbs[$i] - (($int >> 16) & 0xffff) + $carry; - /** @var int $carry */ - $carry = $tmp >> 16; - $return->limbs[$i] = (int) ($tmp & 0xffff); - } - return $return; - } - - /** - * The difference between two Int64 objects. - * - * @param ParagonIE_Sodium_Core32_Int64 $b - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function subInt64(ParagonIE_Sodium_Core32_Int64 $b) - { - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - /** @var int $carry */ - $carry = 0; - for ($i = 3; $i >= 0; --$i) { - /** @var int $tmp */ - $tmp = $this->limbs[$i] - $b->limbs[$i] + $carry; - /** @var int $carry */ - $carry = ($tmp >> 16); - $return->limbs[$i] = (int) ($tmp & 0xffff); - } - return $return; - } - - /** - * XOR this 64-bit integer with another. - * - * @param ParagonIE_Sodium_Core32_Int64 $b - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function xorInt64(ParagonIE_Sodium_Core32_Int64 $b) - { - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->unsignedInt = $this->unsignedInt; - $return->limbs = array( - (int) ($this->limbs[0] ^ $b->limbs[0]), - (int) ($this->limbs[1] ^ $b->limbs[1]), - (int) ($this->limbs[2] ^ $b->limbs[2]), - (int) ($this->limbs[3] ^ $b->limbs[3]) - ); - return $return; - } - - /** - * @param int $low - * @param int $high - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromInts($low, $high) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1); - ParagonIE_Sodium_Core32_Util::declareScalarType($high, 'int', 2); - - $high = (int) $high; - $low = (int) $low; - return new ParagonIE_Sodium_Core32_Int64( - array( - (int) (($high >> 16) & 0xffff), - (int) ($high & 0xffff), - (int) (($low >> 16) & 0xffff), - (int) ($low & 0xffff) - ) - ); - } - - /** - * @param int $low - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromInt($low) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1); - $low = (int) $low; - - return new ParagonIE_Sodium_Core32_Int64( - array( - 0, - 0, - (int) (($low >> 16) & 0xffff), - (int) ($low & 0xffff) - ) - ); - } - - /** - * @return int - */ - public function toInt() - { - return (int) ( - (($this->limbs[2] & 0xffff) << 16) - | - ($this->limbs[3] & 0xffff) - ); - } - - /** - * @param string $string - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromString($string) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); - $string = (string) $string; - if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) { - throw new RangeException( - 'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' - ); - } - $return = new ParagonIE_Sodium_Core32_Int64(); - - $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8); - $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff); - $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8); - $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff); - $return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff) << 8); - $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff); - $return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff) << 8); - $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff); - return $return; - } - - /** - * @param string $string - * @return self - * @throws SodiumException - * @throws TypeError - */ - public static function fromReverseString($string) - { - ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); - $string = (string) $string; - if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) { - throw new RangeException( - 'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' - ); - } - $return = new ParagonIE_Sodium_Core32_Int64(); - - $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff) << 8); - $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff); - $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff) << 8); - $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff); - $return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8); - $return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff); - $return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8); - $return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff); - return $return; - } - - /** - * @return array<int, int> - */ - public function toArray() - { - return array( - (int) ((($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff)), - (int) ((($this->limbs[2] & 0xffff) << 16) | ($this->limbs[3] & 0xffff)) - ); - } - - /** - * @return ParagonIE_Sodium_Core32_Int32 - */ - public function toInt32() - { - $return = new ParagonIE_Sodium_Core32_Int32(); - $return->limbs[0] = (int) ($this->limbs[2]); - $return->limbs[1] = (int) ($this->limbs[3]); - $return->unsignedInt = $this->unsignedInt; - $return->overflow = (int) (ParagonIE_Sodium_Core32_Util::abs($this->limbs[1], 16) & 0xffff); - return $return; - } - - /** - * @return ParagonIE_Sodium_Core32_Int64 - */ - public function toInt64() - { - $return = new ParagonIE_Sodium_Core32_Int64(); - $return->limbs[0] = (int) ($this->limbs[0]); - $return->limbs[1] = (int) ($this->limbs[1]); - $return->limbs[2] = (int) ($this->limbs[2]); - $return->limbs[3] = (int) ($this->limbs[3]); - $return->unsignedInt = $this->unsignedInt; - $return->overflow = ParagonIE_Sodium_Core32_Util::abs($this->overflow); - return $return; - } - - /** - * @param bool $bool - * @return self - */ - public function setUnsignedInt($bool = false) - { - $this->unsignedInt = !empty($bool); - return $this; - } - - /** - * @return string - * @throws TypeError - */ - public function toString() - { - return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff); - } - - /** - * @return string - * @throws TypeError - */ - public function toReverseString() - { - return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . - ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff); - } - - /** - * @return string - */ - public function __toString() - { - try { - return $this->toString(); - } catch (TypeError $ex) { - // PHP engine can't handle exceptions from __toString() - return ''; - } - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305.php deleted file mode 100644 index b9dfaf3..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305.php +++ /dev/null @@ -1,63 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Poly1305', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Poly1305 - */ -abstract class ParagonIE_Sodium_Core32_Poly1305 extends ParagonIE_Sodium_Core32_Util -{ - const BLOCK_SIZE = 16; - - /** - * @internal You should not use this directly from another application - * - * @param string $m - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function onetimeauth($m, $key) - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Key must be 32 bytes long.' - ); - } - $state = new ParagonIE_Sodium_Core32_Poly1305_State( - self::substr($key, 0, 32) - ); - return $state - ->update($m) - ->finish(); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $mac - * @param string $m - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function onetimeauth_verify($mac, $m, $key) - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Key must be 32 bytes long.' - ); - } - $state = new ParagonIE_Sodium_Core32_Poly1305_State( - self::substr($key, 0, 32) - ); - $calc = $state - ->update($m) - ->finish(); - return self::verify_16($calc, $mac); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305/State.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305/State.php deleted file mode 100644 index d80e1ff..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Poly1305/State.php +++ /dev/null @@ -1,451 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Poly1305_State', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Poly1305_State - */ -class ParagonIE_Sodium_Core32_Poly1305_State extends ParagonIE_Sodium_Core32_Util -{ - /** - * @var array<int, int> - */ - protected $buffer = array(); - - /** - * @var bool - */ - protected $final = false; - - /** - * @var array<int, ParagonIE_Sodium_Core32_Int32> - */ - public $h; - - /** - * @var int - */ - protected $leftover = 0; - - /** - * @var array<int, ParagonIE_Sodium_Core32_Int32> - */ - public $r; - - /** - * @var array<int, ParagonIE_Sodium_Core32_Int64> - */ - public $pad; - - /** - * ParagonIE_Sodium_Core32_Poly1305_State constructor. - * - * @internal You should not use this directly from another application - * - * @param string $key - * @throws InvalidArgumentException - * @throws SodiumException - * @throws TypeError - */ - public function __construct($key = '') - { - if (self::strlen($key) < 32) { - throw new InvalidArgumentException( - 'Poly1305 requires a 32-byte key' - ); - } - /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ - $this->r = array( - // st->r[0] = ... - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4)) - ->setUnsignedInt(true) - ->mask(0x3ffffff), - // st->r[1] = ... - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 3, 4)) - ->setUnsignedInt(true) - ->shiftRight(2) - ->mask(0x3ffff03), - // st->r[2] = ... - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 6, 4)) - ->setUnsignedInt(true) - ->shiftRight(4) - ->mask(0x3ffc0ff), - // st->r[3] = ... - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 9, 4)) - ->setUnsignedInt(true) - ->shiftRight(6) - ->mask(0x3f03fff), - // st->r[4] = ... - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4)) - ->setUnsignedInt(true) - ->shiftRight(8) - ->mask(0x00fffff) - ); - - /* h = 0 */ - $this->h = array( - new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), - new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), - new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), - new ParagonIE_Sodium_Core32_Int32(array(0, 0), true), - new ParagonIE_Sodium_Core32_Int32(array(0, 0), true) - ); - - /* save pad for later */ - $this->pad = array( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4)) - ->setUnsignedInt(true)->toInt64(), - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4)) - ->setUnsignedInt(true)->toInt64(), - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4)) - ->setUnsignedInt(true)->toInt64(), - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4)) - ->setUnsignedInt(true)->toInt64(), - ); - - $this->leftover = 0; - $this->final = false; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @return self - * @throws SodiumException - * @throws TypeError - */ - public function update($message = '') - { - $bytes = self::strlen($message); - - /* handle leftover */ - if ($this->leftover) { - /** @var int $want */ - $want = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - $this->leftover; - if ($want > $bytes) { - $want = $bytes; - } - for ($i = 0; $i < $want; ++$i) { - $mi = self::chrToInt($message[$i]); - $this->buffer[$this->leftover + $i] = $mi; - } - // We snip off the leftmost bytes. - $message = self::substr($message, $want); - $bytes = self::strlen($message); - $this->leftover += $want; - if ($this->leftover < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { - // We still don't have enough to run $this->blocks() - return $this; - } - - $this->blocks( - self::intArrayToString($this->buffer), - ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - ); - $this->leftover = 0; - } - - /* process full blocks */ - if ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { - /** @var int $want */ - $want = $bytes & ~(ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - 1); - if ($want >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { - /** @var string $block */ - $block = self::substr($message, 0, $want); - if (self::strlen($block) >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { - $this->blocks($block, $want); - $message = self::substr($message, $want); - $bytes = self::strlen($message); - } - } - } - - /* store leftover */ - if ($bytes) { - for ($i = 0; $i < $bytes; ++$i) { - $mi = self::chrToInt($message[$i]); - $this->buffer[$this->leftover + $i] = $mi; - } - $this->leftover = (int) $this->leftover + $bytes; - } - return $this; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param int $bytes - * @return self - * @throws SodiumException - * @throws TypeError - */ - public function blocks($message, $bytes) - { - if (self::strlen($message) < 16) { - $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT); - } - $hibit = ParagonIE_Sodium_Core32_Int32::fromInt((int) ($this->final ? 0 : 1 << 24)); /* 1 << 128 */ - $hibit->setUnsignedInt(true); - $zero = new ParagonIE_Sodium_Core32_Int64(array(0, 0, 0, 0), true); - /** - * @var ParagonIE_Sodium_Core32_Int64 $d0 - * @var ParagonIE_Sodium_Core32_Int64 $d1 - * @var ParagonIE_Sodium_Core32_Int64 $d2 - * @var ParagonIE_Sodium_Core32_Int64 $d3 - * @var ParagonIE_Sodium_Core32_Int64 $d4 - * @var ParagonIE_Sodium_Core32_Int64 $r0 - * @var ParagonIE_Sodium_Core32_Int64 $r1 - * @var ParagonIE_Sodium_Core32_Int64 $r2 - * @var ParagonIE_Sodium_Core32_Int64 $r3 - * @var ParagonIE_Sodium_Core32_Int64 $r4 - * - * @var ParagonIE_Sodium_Core32_Int32 $h0 - * @var ParagonIE_Sodium_Core32_Int32 $h1 - * @var ParagonIE_Sodium_Core32_Int32 $h2 - * @var ParagonIE_Sodium_Core32_Int32 $h3 - * @var ParagonIE_Sodium_Core32_Int32 $h4 - */ - $r0 = $this->r[0]->toInt64(); - $r1 = $this->r[1]->toInt64(); - $r2 = $this->r[2]->toInt64(); - $r3 = $this->r[3]->toInt64(); - $r4 = $this->r[4]->toInt64(); - - $s1 = $r1->toInt64()->mulInt(5, 3); - $s2 = $r2->toInt64()->mulInt(5, 3); - $s3 = $r3->toInt64()->mulInt(5, 3); - $s4 = $r4->toInt64()->mulInt(5, 3); - - $h0 = $this->h[0]; - $h1 = $this->h[1]; - $h2 = $this->h[2]; - $h3 = $this->h[3]; - $h4 = $this->h[4]; - - while ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) { - /* h += m[i] */ - $h0 = $h0->addInt32( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4)) - ->mask(0x3ffffff) - )->toInt64(); - $h1 = $h1->addInt32( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 3, 4)) - ->shiftRight(2) - ->mask(0x3ffffff) - )->toInt64(); - $h2 = $h2->addInt32( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 6, 4)) - ->shiftRight(4) - ->mask(0x3ffffff) - )->toInt64(); - $h3 = $h3->addInt32( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 9, 4)) - ->shiftRight(6) - ->mask(0x3ffffff) - )->toInt64(); - $h4 = $h4->addInt32( - ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4)) - ->shiftRight(8) - ->orInt32($hibit) - )->toInt64(); - - /* h *= r */ - $d0 = $zero - ->addInt64($h0->mulInt64($r0, 25)) - ->addInt64($s4->mulInt64($h1, 26)) - ->addInt64($s3->mulInt64($h2, 26)) - ->addInt64($s2->mulInt64($h3, 26)) - ->addInt64($s1->mulInt64($h4, 26)); - - $d1 = $zero - ->addInt64($h0->mulInt64($r1, 25)) - ->addInt64($h1->mulInt64($r0, 25)) - ->addInt64($s4->mulInt64($h2, 26)) - ->addInt64($s3->mulInt64($h3, 26)) - ->addInt64($s2->mulInt64($h4, 26)); - - $d2 = $zero - ->addInt64($h0->mulInt64($r2, 25)) - ->addInt64($h1->mulInt64($r1, 25)) - ->addInt64($h2->mulInt64($r0, 25)) - ->addInt64($s4->mulInt64($h3, 26)) - ->addInt64($s3->mulInt64($h4, 26)); - - $d3 = $zero - ->addInt64($h0->mulInt64($r3, 25)) - ->addInt64($h1->mulInt64($r2, 25)) - ->addInt64($h2->mulInt64($r1, 25)) - ->addInt64($h3->mulInt64($r0, 25)) - ->addInt64($s4->mulInt64($h4, 26)); - - $d4 = $zero - ->addInt64($h0->mulInt64($r4, 25)) - ->addInt64($h1->mulInt64($r3, 25)) - ->addInt64($h2->mulInt64($r2, 25)) - ->addInt64($h3->mulInt64($r1, 25)) - ->addInt64($h4->mulInt64($r0, 25)); - - /* (partial) h %= p */ - $c = $d0->shiftRight(26); - $h0 = $d0->toInt32()->mask(0x3ffffff); - $d1 = $d1->addInt64($c); - - $c = $d1->shiftRight(26); - $h1 = $d1->toInt32()->mask(0x3ffffff); - $d2 = $d2->addInt64($c); - - $c = $d2->shiftRight(26); - $h2 = $d2->toInt32()->mask(0x3ffffff); - $d3 = $d3->addInt64($c); - - $c = $d3->shiftRight(26); - $h3 = $d3->toInt32()->mask(0x3ffffff); - $d4 = $d4->addInt64($c); - - $c = $d4->shiftRight(26); - $h4 = $d4->toInt32()->mask(0x3ffffff); - $h0 = $h0->addInt32($c->toInt32()->mulInt(5, 3)); - - $c = $h0->shiftRight(26); - $h0 = $h0->mask(0x3ffffff); - $h1 = $h1->addInt32($c); - - // Chop off the left 32 bytes. - $message = self::substr( - $message, - ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - ); - $bytes -= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; - } - - /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */ - $this->h = array($h0, $h1, $h2, $h3, $h4); - return $this; - } - - /** - * @internal You should not use this directly from another application - * - * @return string - * @throws SodiumException - * @throws TypeError - */ - public function finish() - { - /* process the remaining block */ - if ($this->leftover) { - $i = $this->leftover; - $this->buffer[$i++] = 1; - for (; $i < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; ++$i) { - $this->buffer[$i] = 0; - } - $this->final = true; - $this->blocks( - self::substr( - self::intArrayToString($this->buffer), - 0, - ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - ), - $b = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - ); - } - - /** - * @var ParagonIE_Sodium_Core32_Int32 $f - * @var ParagonIE_Sodium_Core32_Int32 $g0 - * @var ParagonIE_Sodium_Core32_Int32 $g1 - * @var ParagonIE_Sodium_Core32_Int32 $g2 - * @var ParagonIE_Sodium_Core32_Int32 $g3 - * @var ParagonIE_Sodium_Core32_Int32 $g4 - * @var ParagonIE_Sodium_Core32_Int32 $h0 - * @var ParagonIE_Sodium_Core32_Int32 $h1 - * @var ParagonIE_Sodium_Core32_Int32 $h2 - * @var ParagonIE_Sodium_Core32_Int32 $h3 - * @var ParagonIE_Sodium_Core32_Int32 $h4 - */ - $h0 = $this->h[0]; - $h1 = $this->h[1]; - $h2 = $this->h[2]; - $h3 = $this->h[3]; - $h4 = $this->h[4]; - - $c = $h1->shiftRight(26); # $c = $h1 >> 26; - $h1 = $h1->mask(0x3ffffff); # $h1 &= 0x3ffffff; - - $h2 = $h2->addInt32($c); # $h2 += $c; - $c = $h2->shiftRight(26); # $c = $h2 >> 26; - $h2 = $h2->mask(0x3ffffff); # $h2 &= 0x3ffffff; - - $h3 = $h3->addInt32($c); # $h3 += $c; - $c = $h3->shiftRight(26); # $c = $h3 >> 26; - $h3 = $h3->mask(0x3ffffff); # $h3 &= 0x3ffffff; - - $h4 = $h4->addInt32($c); # $h4 += $c; - $c = $h4->shiftRight(26); # $c = $h4 >> 26; - $h4 = $h4->mask(0x3ffffff); # $h4 &= 0x3ffffff; - - $h0 = $h0->addInt32($c->mulInt(5, 3)); # $h0 += self::mul($c, 5); - $c = $h0->shiftRight(26); # $c = $h0 >> 26; - $h0 = $h0->mask(0x3ffffff); # $h0 &= 0x3ffffff; - $h1 = $h1->addInt32($c); # $h1 += $c; - - /* compute h + -p */ - $g0 = $h0->addInt(5); - $c = $g0->shiftRight(26); - $g0 = $g0->mask(0x3ffffff); - $g1 = $h1->addInt32($c); - $c = $g1->shiftRight(26); - $g1 = $g1->mask(0x3ffffff); - $g2 = $h2->addInt32($c); - $c = $g2->shiftRight(26); - $g2 = $g2->mask(0x3ffffff); - $g3 = $h3->addInt32($c); - $c = $g3->shiftRight(26); - $g3 = $g3->mask(0x3ffffff); - $g4 = $h4->addInt32($c)->subInt(1 << 26); - - # $mask = ($g4 >> 31) - 1; - /* select h if h < p, or h + -p if h >= p */ - $mask = (int) (($g4->toInt() >> 31) + 1); - - $g0 = $g0->mask($mask); - $g1 = $g1->mask($mask); - $g2 = $g2->mask($mask); - $g3 = $g3->mask($mask); - $g4 = $g4->mask($mask); - - /** @var int $mask */ - $mask = (~$mask) & 0xffffffff; - - $h0 = $h0->mask($mask)->orInt32($g0); - $h1 = $h1->mask($mask)->orInt32($g1); - $h2 = $h2->mask($mask)->orInt32($g2); - $h3 = $h3->mask($mask)->orInt32($g3); - $h4 = $h4->mask($mask)->orInt32($g4); - - /* h = h % (2^128) */ - $h0 = $h0->orInt32($h1->shiftLeft(26)); - $h1 = $h1->shiftRight(6)->orInt32($h2->shiftLeft(20)); - $h2 = $h2->shiftRight(12)->orInt32($h3->shiftLeft(14)); - $h3 = $h3->shiftRight(18)->orInt32($h4->shiftLeft(8)); - - /* mac = (h + pad) % (2^128) */ - $f = $h0->toInt64()->addInt64($this->pad[0]); - $h0 = $f->toInt32(); - $f = $h1->toInt64()->addInt64($this->pad[1])->addInt($h0->overflow); - $h1 = $f->toInt32(); - $f = $h2->toInt64()->addInt64($this->pad[2])->addInt($h1->overflow); - $h2 = $f->toInt32(); - $f = $h3->toInt64()->addInt64($this->pad[3])->addInt($h2->overflow); - $h3 = $f->toInt32(); - - return $h0->toReverseString() . - $h1->toReverseString() . - $h2->toReverseString() . - $h3->toReverseString(); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Salsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Salsa20.php deleted file mode 100644 index d8c8073..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Salsa20.php +++ /dev/null @@ -1,306 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Salsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_Salsa20 - */ -abstract class ParagonIE_Sodium_Core32_Salsa20 extends ParagonIE_Sodium_Core32_Util -{ - const ROUNDS = 20; - - /** - * Calculate an salsa20 hash of a single block - * - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $k - * @param string|null $c - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function core_salsa20($in, $k, $c = null) - { - /** - * @var ParagonIE_Sodium_Core32_Int32 $x0 - * @var ParagonIE_Sodium_Core32_Int32 $x1 - * @var ParagonIE_Sodium_Core32_Int32 $x2 - * @var ParagonIE_Sodium_Core32_Int32 $x3 - * @var ParagonIE_Sodium_Core32_Int32 $x4 - * @var ParagonIE_Sodium_Core32_Int32 $x5 - * @var ParagonIE_Sodium_Core32_Int32 $x6 - * @var ParagonIE_Sodium_Core32_Int32 $x7 - * @var ParagonIE_Sodium_Core32_Int32 $x8 - * @var ParagonIE_Sodium_Core32_Int32 $x9 - * @var ParagonIE_Sodium_Core32_Int32 $x10 - * @var ParagonIE_Sodium_Core32_Int32 $x11 - * @var ParagonIE_Sodium_Core32_Int32 $x12 - * @var ParagonIE_Sodium_Core32_Int32 $x13 - * @var ParagonIE_Sodium_Core32_Int32 $x14 - * @var ParagonIE_Sodium_Core32_Int32 $x15 - * @var ParagonIE_Sodium_Core32_Int32 $j0 - * @var ParagonIE_Sodium_Core32_Int32 $j1 - * @var ParagonIE_Sodium_Core32_Int32 $j2 - * @var ParagonIE_Sodium_Core32_Int32 $j3 - * @var ParagonIE_Sodium_Core32_Int32 $j4 - * @var ParagonIE_Sodium_Core32_Int32 $j5 - * @var ParagonIE_Sodium_Core32_Int32 $j6 - * @var ParagonIE_Sodium_Core32_Int32 $j7 - * @var ParagonIE_Sodium_Core32_Int32 $j8 - * @var ParagonIE_Sodium_Core32_Int32 $j9 - * @var ParagonIE_Sodium_Core32_Int32 $j10 - * @var ParagonIE_Sodium_Core32_Int32 $j11 - * @var ParagonIE_Sodium_Core32_Int32 $j12 - * @var ParagonIE_Sodium_Core32_Int32 $j13 - * @var ParagonIE_Sodium_Core32_Int32 $j14 - * @var ParagonIE_Sodium_Core32_Int32 $j15 - */ - if (self::strlen($k) < 32) { - throw new RangeException('Key must be 32 bytes long'); - } - if ($c === null) { - $x0 = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865)); - $x5 = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e)); - $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32)); - $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574)); - } else { - $x0 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4)); - $x5 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4)); - $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4)); - $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4)); - } - $x1 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4)); - $x2 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4)); - $x3 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4)); - $x4 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4)); - $x6 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4)); - $x7 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4)); - $x8 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4)); - $x9 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4)); - $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4)); - $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4)); - $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4)); - $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4)); - - $j0 = clone $x0; - $j1 = clone $x1; - $j2 = clone $x2; - $j3 = clone $x3; - $j4 = clone $x4; - $j5 = clone $x5; - $j6 = clone $x6; - $j7 = clone $x7; - $j8 = clone $x8; - $j9 = clone $x9; - $j10 = clone $x10; - $j11 = clone $x11; - $j12 = clone $x12; - $j13 = clone $x13; - $j14 = clone $x14; - $j15 = clone $x15; - - for ($i = self::ROUNDS; $i > 0; $i -= 2) { - $x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7)); - $x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9)); - $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13)); - $x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18)); - - $x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7)); - $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9)); - $x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13)); - $x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18)); - - $x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7)); - $x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9)); - $x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13)); - $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18)); - - $x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7)); - $x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9)); - $x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13)); - $x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18)); - - $x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7)); - $x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9)); - $x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13)); - $x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18)); - - $x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7)); - $x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9)); - $x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13)); - $x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18)); - - $x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7)); - $x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9)); - $x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13)); - $x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18)); - - $x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7)); - $x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9)); - $x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13)); - $x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18)); - } - - $x0 = $x0->addInt32($j0); - $x1 = $x1->addInt32($j1); - $x2 = $x2->addInt32($j2); - $x3 = $x3->addInt32($j3); - $x4 = $x4->addInt32($j4); - $x5 = $x5->addInt32($j5); - $x6 = $x6->addInt32($j6); - $x7 = $x7->addInt32($j7); - $x8 = $x8->addInt32($j8); - $x9 = $x9->addInt32($j9); - $x10 = $x10->addInt32($j10); - $x11 = $x11->addInt32($j11); - $x12 = $x12->addInt32($j12); - $x13 = $x13->addInt32($j13); - $x14 = $x14->addInt32($j14); - $x15 = $x15->addInt32($j15); - - return $x0->toReverseString() . - $x1->toReverseString() . - $x2->toReverseString() . - $x3->toReverseString() . - $x4->toReverseString() . - $x5->toReverseString() . - $x6->toReverseString() . - $x7->toReverseString() . - $x8->toReverseString() . - $x9->toReverseString() . - $x10->toReverseString() . - $x11->toReverseString() . - $x12->toReverseString() . - $x13->toReverseString() . - $x14->toReverseString() . - $x15->toReverseString(); - } - - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20($len, $nonce, $key) - { - if (self::strlen($key) !== 32) { - throw new RangeException('Key must be 32 bytes long'); - } - $kcopy = '' . $key; - $in = self::substr($nonce, 0, 8) . str_repeat("\0", 8); - $c = ''; - while ($len >= 64) { - $c .= self::core_salsa20($in, $kcopy, null); - $u = 1; - // Internal counter. - for ($i = 8; $i < 16; ++$i) { - $u += self::chrToInt($in[$i]); - $in[$i] = self::intToChr($u & 0xff); - $u >>= 8; - } - $len -= 64; - } - if ($len > 0) { - $c .= self::substr( - self::core_salsa20($in, $kcopy, null), - 0, - $len - ); - } - try { - ParagonIE_Sodium_Compat::memzero($kcopy); - } catch (SodiumException $ex) { - $kcopy = null; - } - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $m - * @param string $n - * @param int $ic - * @param string $k - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20_xor_ic($m, $n, $ic, $k) - { - $mlen = self::strlen($m); - if ($mlen < 1) { - return ''; - } - $kcopy = self::substr($k, 0, 32); - $in = self::substr($n, 0, 8); - // Initialize the counter - $in .= ParagonIE_Sodium_Core32_Util::store64_le($ic); - - $c = ''; - while ($mlen >= 64) { - $block = self::core_salsa20($in, $kcopy, null); - $c .= self::xorStrings( - self::substr($m, 0, 64), - self::substr($block, 0, 64) - ); - $u = 1; - for ($i = 8; $i < 16; ++$i) { - $u += self::chrToInt($in[$i]); - $in[$i] = self::intToChr($u & 0xff); - $u >>= 8; - } - - $mlen -= 64; - $m = self::substr($m, 64); - } - - if ($mlen) { - $block = self::core_salsa20($in, $kcopy, null); - $c .= self::xorStrings( - self::substr($m, 0, $mlen), - self::substr($block, 0, $mlen) - ); - } - try { - ParagonIE_Sodium_Compat::memzero($block); - ParagonIE_Sodium_Compat::memzero($kcopy); - } catch (SodiumException $ex) { - $block = null; - $kcopy = null; - } - - return $c; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function salsa20_xor($message, $nonce, $key) - { - return self::xorStrings( - $message, - self::salsa20( - self::strlen($message), - $nonce, - $key - ) - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SecretStream/State.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SecretStream/State.php deleted file mode 100644 index 6f20486..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SecretStream/State.php +++ /dev/null @@ -1,163 +0,0 @@ -<?php - -/** - * Class ParagonIE_Sodium_Core32_SecretStream_State - */ -class ParagonIE_Sodium_Core32_SecretStream_State -{ - /** @var string $key */ - protected $key; - - /** @var int $counter */ - protected $counter; - - /** @var string $nonce */ - protected $nonce; - - /** @var string $_pad */ - protected $_pad; - - /** - * ParagonIE_Sodium_Core32_SecretStream_State constructor. - * @param string $key - * @param string|null $nonce - */ - public function __construct($key, $nonce = null) - { - $this->key = $key; - $this->counter = 1; - if (is_null($nonce)) { - $nonce = str_repeat("\0", 12); - } - $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);; - $this->_pad = str_repeat("\0", 4); - } - - /** - * @return self - */ - public function counterReset() - { - $this->counter = 1; - $this->_pad = str_repeat("\0", 4); - return $this; - } - - /** - * @return string - */ - public function getKey() - { - return $this->key; - } - - /** - * @return string - */ - public function getCounter() - { - return ParagonIE_Sodium_Core32_Util::store32_le($this->counter); - } - - /** - * @return string - */ - public function getNonce() - { - if (!is_string($this->nonce)) { - $this->nonce = str_repeat("\0", 12); - } - if (ParagonIE_Sodium_Core32_Util::strlen($this->nonce) !== 12) { - $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT); - } - return $this->nonce; - } - - /** - * @return string - */ - public function getCombinedNonce() - { - return $this->getCounter() . - ParagonIE_Sodium_Core32_Util::substr($this->getNonce(), 0, 8); - } - - /** - * @return self - */ - public function incrementCounter() - { - ++$this->counter; - return $this; - } - - /** - * @return bool - */ - public function needsRekey() - { - return ($this->counter & 0xffff) === 0; - } - - /** - * @param string $newKeyAndNonce - * @return self - */ - public function rekey($newKeyAndNonce) - { - $this->key = ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 0, 32); - $this->nonce = str_pad( - ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 32), - 12, - "\0", - STR_PAD_RIGHT - ); - return $this; - } - - /** - * @param string $str - * @return self - */ - public function xorNonce($str) - { - $this->nonce = ParagonIE_Sodium_Core32_Util::xorStrings( - $this->getNonce(), - str_pad( - ParagonIE_Sodium_Core32_Util::substr($str, 0, 8), - 12, - "\0", - STR_PAD_RIGHT - ) - ); - return $this; - } - - /** - * @param string $string - * @return self - */ - public static function fromString($string) - { - $state = new ParagonIE_Sodium_Core32_SecretStream_State( - ParagonIE_Sodium_Core32_Util::substr($string, 0, 32) - ); - $state->counter = ParagonIE_Sodium_Core32_Util::load_4( - ParagonIE_Sodium_Core32_Util::substr($string, 32, 4) - ); - $state->nonce = ParagonIE_Sodium_Core32_Util::substr($string, 36, 12); - $state->_pad = ParagonIE_Sodium_Core32_Util::substr($string, 48, 8); - return $state; - } - - /** - * @return string - */ - public function toString() - { - return $this->key . - $this->getCounter() . - $this->nonce . - $this->_pad; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SipHash.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SipHash.php deleted file mode 100644 index 079946d..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/SipHash.php +++ /dev/null @@ -1,238 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_SipHash', false)) { - return; -} - -/** - * Class ParagonIE_SodiumCompat_Core32_SipHash - * - * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers - */ -class ParagonIE_Sodium_Core32_SipHash extends ParagonIE_Sodium_Core32_Util -{ - /** - * @internal You should not use this directly from another application - * - * @param array<int, ParagonIE_Sodium_Core32_Int64> $v - * @return array<int, ParagonIE_Sodium_Core32_Int64> - */ - public static function sipRound(array $v) - { - # v0 += v1; - $v[0] = $v[0]->addInt64($v[1]); - - # v1 = ROTL(v1, 13); - $v[1] = $v[1]->rotateLeft(13); - - # v1 ^= v0; - $v[1] = $v[1]->xorInt64($v[0]); - - # v0=ROTL(v0,32); - $v[0] = $v[0]->rotateLeft(32); - - # v2 += v3; - $v[2] = $v[2]->addInt64($v[3]); - - # v3=ROTL(v3,16); - $v[3] = $v[3]->rotateLeft(16); - - # v3 ^= v2; - $v[3] = $v[3]->xorInt64($v[2]); - - # v0 += v3; - $v[0] = $v[0]->addInt64($v[3]); - - # v3=ROTL(v3,21); - $v[3] = $v[3]->rotateLeft(21); - - # v3 ^= v0; - $v[3] = $v[3]->xorInt64($v[0]); - - # v2 += v1; - $v[2] = $v[2]->addInt64($v[1]); - - # v1=ROTL(v1,17); - $v[1] = $v[1]->rotateLeft(17); - - # v1 ^= v2; - $v[1] = $v[1]->xorInt64($v[2]); - - # v2=ROTL(v2,32) - $v[2] = $v[2]->rotateLeft(32); - - return $v; - } - - /** - * @internal You should not use this directly from another application - * - * @param string $in - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sipHash24($in, $key) - { - $inlen = self::strlen($in); - - # /* "somepseudorandomlygeneratedbytes" */ - # u64 v0 = 0x736f6d6570736575ULL; - # u64 v1 = 0x646f72616e646f6dULL; - # u64 v2 = 0x6c7967656e657261ULL; - # u64 v3 = 0x7465646279746573ULL; - $v = array( - new ParagonIE_Sodium_Core32_Int64( - array(0x736f, 0x6d65, 0x7073, 0x6575) - ), - new ParagonIE_Sodium_Core32_Int64( - array(0x646f, 0x7261, 0x6e64, 0x6f6d) - ), - new ParagonIE_Sodium_Core32_Int64( - array(0x6c79, 0x6765, 0x6e65, 0x7261) - ), - new ParagonIE_Sodium_Core32_Int64( - array(0x7465, 0x6462, 0x7974, 0x6573) - ) - ); - - # u64 k0 = LOAD64_LE( k ); - # u64 k1 = LOAD64_LE( k + 8 ); - $k = array( - ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($key, 0, 8) - ), - ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($key, 8, 8) - ) - ); - - # b = ( ( u64 )inlen ) << 56; - $b = new ParagonIE_Sodium_Core32_Int64( - array(($inlen << 8) & 0xffff, 0, 0, 0) - ); - - # v3 ^= k1; - $v[3] = $v[3]->xorInt64($k[1]); - # v2 ^= k0; - $v[2] = $v[2]->xorInt64($k[0]); - # v1 ^= k1; - $v[1] = $v[1]->xorInt64($k[1]); - # v0 ^= k0; - $v[0] = $v[0]->xorInt64($k[0]); - - $left = $inlen; - # for ( ; in != end; in += 8 ) - while ($left >= 8) { - # m = LOAD64_LE( in ); - $m = ParagonIE_Sodium_Core32_Int64::fromReverseString( - self::substr($in, 0, 8) - ); - - # v3 ^= m; - $v[3] = $v[3]->xorInt64($m); - - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - - # v0 ^= m; - $v[0] = $v[0]->xorInt64($m); - - $in = self::substr($in, 8); - $left -= 8; - } - - # switch( left ) - # { - # case 7: b |= ( ( u64 )in[ 6] ) << 48; - # case 6: b |= ( ( u64 )in[ 5] ) << 40; - # case 5: b |= ( ( u64 )in[ 4] ) << 32; - # case 4: b |= ( ( u64 )in[ 3] ) << 24; - # case 3: b |= ( ( u64 )in[ 2] ) << 16; - # case 2: b |= ( ( u64 )in[ 1] ) << 8; - # case 1: b |= ( ( u64 )in[ 0] ); break; - # case 0: break; - # } - switch ($left) { - case 7: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - 0, self::chrToInt($in[6]) << 16 - ) - ); - case 6: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - 0, self::chrToInt($in[5]) << 8 - ) - ); - case 5: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - 0, self::chrToInt($in[4]) - ) - ); - case 4: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - self::chrToInt($in[3]) << 24, 0 - ) - ); - case 3: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - self::chrToInt($in[2]) << 16, 0 - ) - ); - case 2: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - self::chrToInt($in[1]) << 8, 0 - ) - ); - case 1: - $b = $b->orInt64( - ParagonIE_Sodium_Core32_Int64::fromInts( - self::chrToInt($in[0]), 0 - ) - ); - case 0: - break; - } - - # v3 ^= b; - $v[3] = $v[3]->xorInt64($b); - - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - - # v0 ^= b; - $v[0] = $v[0]->xorInt64($b); - - // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation - # v2 ^= 0xff; - $v[2]->limbs[3] ^= 0xff; - - # SIPROUND; - # SIPROUND; - # SIPROUND; - # SIPROUND; - $v = self::sipRound($v); - $v = self::sipRound($v); - $v = self::sipRound($v); - $v = self::sipRound($v); - - # b = v0 ^ v1 ^ v2 ^ v3; - # STORE64_LE( out, b ); - return $v[0] - ->xorInt64($v[1]) - ->xorInt64($v[2]) - ->xorInt64($v[3]) - ->toReverseString(); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Util.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Util.php deleted file mode 100644 index f32e5ad..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/Util.php +++ /dev/null @@ -1,13 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_Util', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core_Util - */ -abstract class ParagonIE_Sodium_Core32_Util extends ParagonIE_Sodium_Core_Util -{ - -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/X25519.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/X25519.php deleted file mode 100644 index 2cc000d..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/X25519.php +++ /dev/null @@ -1,345 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_X25519', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_X25519 - */ -abstract class ParagonIE_Sodium_Core32_X25519 extends ParagonIE_Sodium_Core32_Curve25519 -{ - /** - * Alters the objects passed to this method in place. - * - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g - * @param int $b - * @return void - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedMethodCall - */ - public static function fe_cswap( - ParagonIE_Sodium_Core32_Curve25519_Fe $f, - ParagonIE_Sodium_Core32_Curve25519_Fe $g, - $b = 0 - ) { - $f0 = (int) $f[0]->toInt(); - $f1 = (int) $f[1]->toInt(); - $f2 = (int) $f[2]->toInt(); - $f3 = (int) $f[3]->toInt(); - $f4 = (int) $f[4]->toInt(); - $f5 = (int) $f[5]->toInt(); - $f6 = (int) $f[6]->toInt(); - $f7 = (int) $f[7]->toInt(); - $f8 = (int) $f[8]->toInt(); - $f9 = (int) $f[9]->toInt(); - $g0 = (int) $g[0]->toInt(); - $g1 = (int) $g[1]->toInt(); - $g2 = (int) $g[2]->toInt(); - $g3 = (int) $g[3]->toInt(); - $g4 = (int) $g[4]->toInt(); - $g5 = (int) $g[5]->toInt(); - $g6 = (int) $g[6]->toInt(); - $g7 = (int) $g[7]->toInt(); - $g8 = (int) $g[8]->toInt(); - $g9 = (int) $g[9]->toInt(); - $b = -$b; - /** @var int $x0 */ - $x0 = ($f0 ^ $g0) & $b; - /** @var int $x1 */ - $x1 = ($f1 ^ $g1) & $b; - /** @var int $x2 */ - $x2 = ($f2 ^ $g2) & $b; - /** @var int $x3 */ - $x3 = ($f3 ^ $g3) & $b; - /** @var int $x4 */ - $x4 = ($f4 ^ $g4) & $b; - /** @var int $x5 */ - $x5 = ($f5 ^ $g5) & $b; - /** @var int $x6 */ - $x6 = ($f6 ^ $g6) & $b; - /** @var int $x7 */ - $x7 = ($f7 ^ $g7) & $b; - /** @var int $x8 */ - $x8 = ($f8 ^ $g8) & $b; - /** @var int $x9 */ - $x9 = ($f9 ^ $g9) & $b; - $f[0] = ParagonIE_Sodium_Core32_Int32::fromInt($f0 ^ $x0); - $f[1] = ParagonIE_Sodium_Core32_Int32::fromInt($f1 ^ $x1); - $f[2] = ParagonIE_Sodium_Core32_Int32::fromInt($f2 ^ $x2); - $f[3] = ParagonIE_Sodium_Core32_Int32::fromInt($f3 ^ $x3); - $f[4] = ParagonIE_Sodium_Core32_Int32::fromInt($f4 ^ $x4); - $f[5] = ParagonIE_Sodium_Core32_Int32::fromInt($f5 ^ $x5); - $f[6] = ParagonIE_Sodium_Core32_Int32::fromInt($f6 ^ $x6); - $f[7] = ParagonIE_Sodium_Core32_Int32::fromInt($f7 ^ $x7); - $f[8] = ParagonIE_Sodium_Core32_Int32::fromInt($f8 ^ $x8); - $f[9] = ParagonIE_Sodium_Core32_Int32::fromInt($f9 ^ $x9); - $g[0] = ParagonIE_Sodium_Core32_Int32::fromInt($g0 ^ $x0); - $g[1] = ParagonIE_Sodium_Core32_Int32::fromInt($g1 ^ $x1); - $g[2] = ParagonIE_Sodium_Core32_Int32::fromInt($g2 ^ $x2); - $g[3] = ParagonIE_Sodium_Core32_Int32::fromInt($g3 ^ $x3); - $g[4] = ParagonIE_Sodium_Core32_Int32::fromInt($g4 ^ $x4); - $g[5] = ParagonIE_Sodium_Core32_Int32::fromInt($g5 ^ $x5); - $g[6] = ParagonIE_Sodium_Core32_Int32::fromInt($g6 ^ $x6); - $g[7] = ParagonIE_Sodium_Core32_Int32::fromInt($g7 ^ $x7); - $g[8] = ParagonIE_Sodium_Core32_Int32::fromInt($g8 ^ $x8); - $g[9] = ParagonIE_Sodium_Core32_Int32::fromInt($g9 ^ $x9); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - * @psalm-suppress MixedAssignment - * @psalm-suppress MixedMethodCall - */ - public static function fe_mul121666(ParagonIE_Sodium_Core32_Curve25519_Fe $f) - { - /** @var array<int, ParagonIE_Sodium_Core32_Int64> $h */ - $h = array(); - for ($i = 0; $i < 10; ++$i) { - $h[$i] = $f[$i]->toInt64()->mulInt(121666, 17); - } - - $carry9 = $h[9]->addInt(1 << 24)->shiftRight(25); - $h[0] = $h[0]->addInt64($carry9->mulInt(19, 5)); - $h[9] = $h[9]->subInt64($carry9->shiftLeft(25)); - - $carry1 = $h[1]->addInt(1 << 24)->shiftRight(25); - $h[2] = $h[2]->addInt64($carry1); - $h[1] = $h[1]->subInt64($carry1->shiftLeft(25)); - - $carry3 = $h[3]->addInt(1 << 24)->shiftRight(25); - $h[4] = $h[4]->addInt64($carry3); - $h[3] = $h[3]->subInt64($carry3->shiftLeft(25)); - - $carry5 = $h[5]->addInt(1 << 24)->shiftRight(25); - $h[6] = $h[6]->addInt64($carry5); - $h[5] = $h[5]->subInt64($carry5->shiftLeft(25)); - - $carry7 = $h[7]->addInt(1 << 24)->shiftRight(25); - $h[8] = $h[8]->addInt64($carry7); - $h[7] = $h[7]->subInt64($carry7->shiftLeft(25)); - - $carry0 = $h[0]->addInt(1 << 25)->shiftRight(26); - $h[1] = $h[1]->addInt64($carry0); - $h[0] = $h[0]->subInt64($carry0->shiftLeft(26)); - - $carry2 = $h[2]->addInt(1 << 25)->shiftRight(26); - $h[3] = $h[3]->addInt64($carry2); - $h[2] = $h[2]->subInt64($carry2->shiftLeft(26)); - - $carry4 = $h[4]->addInt(1 << 25)->shiftRight(26); - $h[5] = $h[5]->addInt64($carry4); - $h[4] = $h[4]->subInt64($carry4->shiftLeft(26)); - - $carry6 = $h[6]->addInt(1 << 25)->shiftRight(26); - $h[7] = $h[7]->addInt64($carry6); - $h[6] = $h[6]->subInt64($carry6->shiftLeft(26)); - - $carry8 = $h[8]->addInt(1 << 25)->shiftRight(26); - $h[9] = $h[9]->addInt64($carry8); - $h[8] = $h[8]->subInt64($carry8->shiftLeft(26)); - - for ($i = 0; $i < 10; ++$i) { - $h[$i] = $h[$i]->toInt32(); - } - /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h2 */ - $h2 = $h; - return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h2); - } - - /** - * @internal You should not use this directly from another application - * - * Inline comments preceded by # are from libsodium's ref10 code. - * - * @param string $n - * @param string $p - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_scalarmult_curve25519_ref10($n, $p) - { - # for (i = 0;i < 32;++i) e[i] = n[i]; - $e = '' . $n; - # e[0] &= 248; - $e[0] = self::intToChr( - self::chrToInt($e[0]) & 248 - ); - # e[31] &= 127; - # e[31] |= 64; - $e[31] = self::intToChr( - (self::chrToInt($e[31]) & 127) | 64 - ); - # fe_frombytes(x1,p); - $x1 = self::fe_frombytes($p); - # fe_1(x2); - $x2 = self::fe_1(); - # fe_0(z2); - $z2 = self::fe_0(); - # fe_copy(x3,x1); - $x3 = self::fe_copy($x1); - # fe_1(z3); - $z3 = self::fe_1(); - - # swap = 0; - /** @var int $swap */ - $swap = 0; - - # for (pos = 254;pos >= 0;--pos) { - for ($pos = 254; $pos >= 0; --$pos) { - # b = e[pos / 8] >> (pos & 7); - /** @var int $b */ - $b = self::chrToInt( - $e[(int) floor($pos / 8)] - ) >> ($pos & 7); - # b &= 1; - $b &= 1; - - # swap ^= b; - $swap ^= $b; - - # fe_cswap(x2,x3,swap); - self::fe_cswap($x2, $x3, $swap); - - # fe_cswap(z2,z3,swap); - self::fe_cswap($z2, $z3, $swap); - - # swap = b; - /** @var int $swap */ - $swap = $b; - - # fe_sub(tmp0,x3,z3); - $tmp0 = self::fe_sub($x3, $z3); - - # fe_sub(tmp1,x2,z2); - $tmp1 = self::fe_sub($x2, $z2); - - # fe_add(x2,x2,z2); - $x2 = self::fe_add($x2, $z2); - - # fe_add(z2,x3,z3); - $z2 = self::fe_add($x3, $z3); - - # fe_mul(z3,tmp0,x2); - $z3 = self::fe_mul($tmp0, $x2); - - # fe_mul(z2,z2,tmp1); - $z2 = self::fe_mul($z2, $tmp1); - - # fe_sq(tmp0,tmp1); - $tmp0 = self::fe_sq($tmp1); - - # fe_sq(tmp1,x2); - $tmp1 = self::fe_sq($x2); - - # fe_add(x3,z3,z2); - $x3 = self::fe_add($z3, $z2); - - # fe_sub(z2,z3,z2); - $z2 = self::fe_sub($z3, $z2); - - # fe_mul(x2,tmp1,tmp0); - $x2 = self::fe_mul($tmp1, $tmp0); - - # fe_sub(tmp1,tmp1,tmp0); - $tmp1 = self::fe_sub($tmp1, $tmp0); - - # fe_sq(z2,z2); - $z2 = self::fe_sq($z2); - - # fe_mul121666(z3,tmp1); - $z3 = self::fe_mul121666($tmp1); - - # fe_sq(x3,x3); - $x3 = self::fe_sq($x3); - - # fe_add(tmp0,tmp0,z3); - $tmp0 = self::fe_add($tmp0, $z3); - - # fe_mul(z3,x1,z2); - $z3 = self::fe_mul($x1, $z2); - - # fe_mul(z2,tmp1,tmp0); - $z2 = self::fe_mul($tmp1, $tmp0); - } - - # fe_cswap(x2,x3,swap); - self::fe_cswap($x2, $x3, $swap); - - # fe_cswap(z2,z3,swap); - self::fe_cswap($z2, $z3, $swap); - - # fe_invert(z2,z2); - $z2 = self::fe_invert($z2); - - # fe_mul(x2,x2,z2); - $x2 = self::fe_mul($x2, $z2); - # fe_tobytes(q,x2); - return (string) self::fe_tobytes($x2); - } - - /** - * @internal You should not use this directly from another application - * - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY - * @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ - * @return ParagonIE_Sodium_Core32_Curve25519_Fe - * @throws SodiumException - * @throws TypeError - */ - public static function edwards_to_montgomery( - ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY, - ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ - ) { - $tempX = self::fe_add($edwardsZ, $edwardsY); - $tempZ = self::fe_sub($edwardsZ, $edwardsY); - $tempZ = self::fe_invert($tempZ); - return self::fe_mul($tempX, $tempZ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $n - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function crypto_scalarmult_curve25519_ref10_base($n) - { - # for (i = 0;i < 32;++i) e[i] = n[i]; - $e = '' . $n; - - # e[0] &= 248; - $e[0] = self::intToChr( - self::chrToInt($e[0]) & 248 - ); - - # e[31] &= 127; - # e[31] |= 64; - $e[31] = self::intToChr( - (self::chrToInt($e[31]) & 127) | 64 - ); - - $A = self::ge_scalarmult_base($e); - if ( - !($A->Y instanceof ParagonIE_Sodium_Core32_Curve25519_Fe) - || - !($A->Z instanceof ParagonIE_Sodium_Core32_Curve25519_Fe) - ) { - throw new TypeError('Null points encountered'); - } - $pk = self::edwards_to_montgomery($A->Y, $A->Z); - return self::fe_tobytes($pk); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XChaCha20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XChaCha20.php deleted file mode 100644 index 1dfc859..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XChaCha20.php +++ /dev/null @@ -1,64 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_XChaCha20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_XChaCha20 - */ -class ParagonIE_Sodium_Core32_XChaCha20 extends ParagonIE_Sodium_Core32_HChaCha20 -{ - /** - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function stream($len = 64, $nonce = '', $key = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_Ctx( - self::hChaCha20( - self::substr($nonce, 0, 16), - $key - ), - self::substr($nonce, 16, 8) - ), - str_repeat("\x00", $len) - ); - } - - /** - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @param string $ic - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') - { - if (self::strlen($nonce) !== 24) { - throw new SodiumException('Nonce must be 24 bytes long'); - } - return self::encryptBytes( - new ParagonIE_Sodium_Core32_ChaCha20_Ctx( - self::hChaCha20(self::substr($nonce, 0, 16), $key), - self::substr($nonce, 16, 8), - $ic - ), - $message - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XSalsa20.php b/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XSalsa20.php deleted file mode 100644 index a16b93b..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Core32/XSalsa20.php +++ /dev/null @@ -1,57 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Core32_XSalsa20', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Core32_XSalsa20 - */ -abstract class ParagonIE_Sodium_Core32_XSalsa20 extends ParagonIE_Sodium_Core32_HSalsa20 -{ - /** - * Expand a key and nonce into an xsalsa20 keystream. - * - * @internal You should not use this directly from another application - * - * @param int $len - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function xsalsa20($len, $nonce, $key) - { - $ret = self::salsa20( - $len, - self::substr($nonce, 16, 8), - self::hsalsa20($nonce, $key) - ); - return $ret; - } - - /** - * Encrypt a string with XSalsa20. Doesn't provide integrity. - * - * @internal You should not use this directly from another application - * - * @param string $message - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function xsalsa20_xor($message, $nonce, $key) - { - return self::xorStrings( - $message, - self::xsalsa20( - self::strlen($message), - $nonce, - $key - ) - ); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Crypto.php b/srcs/wordpress/wp-includes/sodium_compat/src/Crypto.php deleted file mode 100644 index 7e980f4..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Crypto.php +++ /dev/null @@ -1,1655 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Crypto', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Crypto - * - * ATTENTION! - * - * If you are using this library, you should be using - * ParagonIE_Sodium_Compat in your code, not this class. - */ -abstract class ParagonIE_Sodium_Crypto -{ - const aead_chacha20poly1305_KEYBYTES = 32; - const aead_chacha20poly1305_NSECBYTES = 0; - const aead_chacha20poly1305_NPUBBYTES = 8; - const aead_chacha20poly1305_ABYTES = 16; - - const aead_chacha20poly1305_IETF_KEYBYTES = 32; - const aead_chacha20poly1305_IETF_NSECBYTES = 0; - const aead_chacha20poly1305_IETF_NPUBBYTES = 12; - const aead_chacha20poly1305_IETF_ABYTES = 16; - - const aead_xchacha20poly1305_IETF_KEYBYTES = 32; - const aead_xchacha20poly1305_IETF_NSECBYTES = 0; - const aead_xchacha20poly1305_IETF_NPUBBYTES = 24; - const aead_xchacha20poly1305_IETF_ABYTES = 16; - - const box_curve25519xsalsa20poly1305_SEEDBYTES = 32; - const box_curve25519xsalsa20poly1305_PUBLICKEYBYTES = 32; - const box_curve25519xsalsa20poly1305_SECRETKEYBYTES = 32; - const box_curve25519xsalsa20poly1305_BEFORENMBYTES = 32; - const box_curve25519xsalsa20poly1305_NONCEBYTES = 24; - const box_curve25519xsalsa20poly1305_MACBYTES = 16; - const box_curve25519xsalsa20poly1305_BOXZEROBYTES = 16; - const box_curve25519xsalsa20poly1305_ZEROBYTES = 32; - - const onetimeauth_poly1305_BYTES = 16; - const onetimeauth_poly1305_KEYBYTES = 32; - - const secretbox_xsalsa20poly1305_KEYBYTES = 32; - const secretbox_xsalsa20poly1305_NONCEBYTES = 24; - const secretbox_xsalsa20poly1305_MACBYTES = 16; - const secretbox_xsalsa20poly1305_BOXZEROBYTES = 16; - const secretbox_xsalsa20poly1305_ZEROBYTES = 32; - - const secretbox_xchacha20poly1305_KEYBYTES = 32; - const secretbox_xchacha20poly1305_NONCEBYTES = 24; - const secretbox_xchacha20poly1305_MACBYTES = 16; - const secretbox_xchacha20poly1305_BOXZEROBYTES = 16; - const secretbox_xchacha20poly1305_ZEROBYTES = 32; - - const stream_salsa20_KEYBYTES = 32; - - /** - * AEAD Decryption with ChaCha20-Poly1305 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of message (ciphertext + MAC) */ - $len = ParagonIE_Sodium_Core_Util::strlen($message); - - /** @var int $clen - Length of ciphertext */ - $clen = $len - self::aead_chacha20poly1305_ABYTES; - - /** @var int $adlen - Length of associated data */ - $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); - - /** @var string $mac - Message authentication code */ - $mac = ParagonIE_Sodium_Core_Util::substr( - $message, - $clen, - self::aead_chacha20poly1305_ABYTES - ); - - /** @var string $ciphertext - The encrypted message (sans MAC) */ - $ciphertext = ParagonIE_Sodium_Core_Util::substr($message, 0, $clen); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( - 32, - $nonce, - $key - ); - - /* Recalculate the Poly1305 authentication tag (MAC): */ - $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - $state->update($ad); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); - $state->update($ciphertext); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($clen)); - $computed_mac = $state->finish(); - - /* Compare the given MAC with the recalculated MAC: */ - if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) { - throw new SodiumException('Invalid MAC'); - } - - // Here, we know that the MAC is valid, so we decrypt and return the plaintext - return ParagonIE_Sodium_Core_ChaCha20::streamXorIc( - $ciphertext, - $nonce, - $key, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of the plaintext message */ - $len = ParagonIE_Sodium_Core_Util::strlen($message); - - /** @var int $adlen - Length of the associated data */ - $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( - 32, - $nonce, - $key - ); - $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - - /** @var string $ciphertext - Raw encrypted data */ - $ciphertext = ParagonIE_Sodium_Core_ChaCha20::streamXorIc( - $message, - $nonce, - $key, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - - $state->update($ad); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); - $state->update($ciphertext); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($len)); - return $ciphertext . $state->finish(); - } - - /** - * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_ietf_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $adlen - Length of associated data */ - $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); - - /** @var int $len - Length of message (ciphertext + MAC) */ - $len = ParagonIE_Sodium_Core_Util::strlen($message); - - /** @var int $clen - Length of ciphertext */ - $clen = $len - self::aead_chacha20poly1305_IETF_ABYTES; - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream( - 32, - $nonce, - $key - ); - - /** @var string $mac - Message authentication code */ - $mac = ParagonIE_Sodium_Core_Util::substr( - $message, - $len - self::aead_chacha20poly1305_IETF_ABYTES, - self::aead_chacha20poly1305_IETF_ABYTES - ); - - /** @var string $ciphertext - The encrypted message (sans MAC) */ - $ciphertext = ParagonIE_Sodium_Core_Util::substr( - $message, - 0, - $len - self::aead_chacha20poly1305_IETF_ABYTES - ); - - /* Recalculate the Poly1305 authentication tag (MAC): */ - $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - $state->update($ad); - $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); - $state->update($ciphertext); - $state->update(str_repeat("\x00", (0x10 - $clen) & 0xf)); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($clen)); - $computed_mac = $state->finish(); - - /* Compare the given MAC with the recalculated MAC: */ - if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) { - throw new SodiumException('Invalid MAC'); - } - - // Here, we know that the MAC is valid, so we decrypt and return the plaintext - return ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - $ciphertext, - $nonce, - $key, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_ietf_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of the plaintext message */ - $len = ParagonIE_Sodium_Core_Util::strlen($message); - - /** @var int $adlen - Length of the associated data */ - $adlen = ParagonIE_Sodium_Core_Util::strlen($ad); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream( - 32, - $nonce, - $key - ); - $state = new ParagonIE_Sodium_Core_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - - /** @var string $ciphertext - Raw encrypted data */ - $ciphertext = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - $message, - $nonce, - $key, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - - $state->update($ad); - $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); - $state->update($ciphertext); - $state->update(str_repeat("\x00", ((0x10 - $len) & 0xf))); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen)); - $state->update(ParagonIE_Sodium_Core_Util::store64_le($len)); - return $ciphertext . $state->finish(); - } - - /** - * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_xchacha20poly1305_ietf_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = "\x00\x00\x00\x00" . - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); - - return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_xchacha20poly1305_ietf_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = "\x00\x00\x00\x00" . - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); - - return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey); - } - - /** - * HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $key - * @return string - * @throws TypeError - */ - public static function auth($message, $key) - { - return ParagonIE_Sodium_Core_Util::substr( - hash_hmac('sha512', $message, $key, true), - 0, - 32 - ); - } - - /** - * HMAC-SHA-512-256 validation. Constant-time via hash_equals(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $mac - * @param string $message - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function auth_verify($mac, $message, $key) - { - return ParagonIE_Sodium_Core_Util::hashEquals( - $mac, - self::auth($message, $key) - ); - } - - /** - * X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box($plaintext, $nonce, $keypair) - { - $c = self::secretbox( - $plaintext, - $nonce, - self::box_beforenm( - self::box_secretkey($keypair), - self::box_publickey($keypair) - ) - ); - return $c; - } - - /** - * X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $publicKey - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal($message, $publicKey) - { - /** @var string $ephemeralKeypair */ - $ephemeralKeypair = self::box_keypair(); - - /** @var string $ephemeralSK */ - $ephemeralSK = self::box_secretkey($ephemeralKeypair); - - /** @var string $ephemeralPK */ - $ephemeralPK = self::box_publickey($ephemeralKeypair); - - /** @var string $nonce */ - $nonce = self::generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - - /** @var string $keypair - The combined keypair used in crypto_box() */ - $keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey); - - /** @var string $ciphertext Ciphertext + MAC from crypto_box */ - $ciphertext = self::box($message, $nonce, $keypair); - try { - ParagonIE_Sodium_Compat::memzero($ephemeralKeypair); - ParagonIE_Sodium_Compat::memzero($ephemeralSK); - ParagonIE_Sodium_Compat::memzero($nonce); - } catch (SodiumException $ex) { - $ephemeralKeypair = null; - $ephemeralSK = null; - $nonce = null; - } - return $ephemeralPK . $ciphertext; - } - - /** - * Opens a message encrypted via box_seal(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal_open($message, $keypair) - { - /** @var string $ephemeralPK */ - $ephemeralPK = ParagonIE_Sodium_Core_Util::substr($message, 0, 32); - - /** @var string $ciphertext (ciphertext + MAC) */ - $ciphertext = ParagonIE_Sodium_Core_Util::substr($message, 32); - - /** @var string $secretKey */ - $secretKey = self::box_secretkey($keypair); - - /** @var string $publicKey */ - $publicKey = self::box_publickey($keypair); - - /** @var string $nonce */ - $nonce = self::generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - - /** @var string $keypair */ - $keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK); - - /** @var string $m */ - $m = self::box_open($ciphertext, $nonce, $keypair); - try { - ParagonIE_Sodium_Compat::memzero($secretKey); - ParagonIE_Sodium_Compat::memzero($ephemeralPK); - ParagonIE_Sodium_Compat::memzero($nonce); - } catch (SodiumException $ex) { - $secretKey = null; - $ephemeralPK = null; - $nonce = null; - } - return $m; - } - - /** - * Used by crypto_box() to get the crypto_secretbox() key. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sk - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_beforenm($sk, $pk) - { - return ParagonIE_Sodium_Core_HSalsa20::hsalsa20( - str_repeat("\x00", 16), - self::scalarmult($sk, $pk) - ); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @return string - * @throws Exception - * @throws SodiumException - * @throws TypeError - */ - public static function box_keypair() - { - $sKey = random_bytes(32); - $pKey = self::scalarmult_base($sKey); - return $sKey . $pKey; - } - - /** - * @param string $seed - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seed_keypair($seed) - { - $sKey = ParagonIE_Sodium_Core_Util::substr( - hash('sha512', $seed, true), - 0, - 32 - ); - $pKey = self::scalarmult_base($sKey); - return $sKey . $pKey; - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @param string $pKey - * @return string - * @throws TypeError - */ - public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey) - { - return ParagonIE_Sodium_Core_Util::substr($sKey, 0, 32) . - ParagonIE_Sodium_Core_Util::substr($pKey, 0, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $keypair - * @return string - * @throws RangeException - * @throws TypeError - */ - public static function box_secretkey($keypair) - { - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== 64) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' - ); - } - return ParagonIE_Sodium_Core_Util::substr($keypair, 0, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $keypair - * @return string - * @throws RangeException - * @throws TypeError - */ - public static function box_publickey($keypair) - { - if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' - ); - } - return ParagonIE_Sodium_Core_Util::substr($keypair, 32, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function box_publickey_from_secretkey($sKey) - { - if (ParagonIE_Sodium_Core_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.' - ); - } - return self::scalarmult_base($sKey); - } - - /** - * Decrypt a message encrypted with box(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_open($ciphertext, $nonce, $keypair) - { - return self::secretbox_open( - $ciphertext, - $nonce, - self::box_beforenm( - self::box_secretkey($keypair), - self::box_publickey($keypair) - ) - ); - } - - /** - * Calculate a BLAKE2b hash. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string|null $key - * @param int $outlen - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash($message, $key = '', $outlen = 32) - { - // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - /** @var SplFixedArray $k */ - $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - - /** @var SplFixedArray $in */ - $in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message); - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outlen); - ParagonIE_Sodium_Core_BLAKE2b::update($ctx, $in, $in->count()); - - /** @var SplFixedArray $out */ - $out = new SplFixedArray($outlen); - $out = ParagonIE_Sodium_Core_BLAKE2b::finish($ctx, $out); - - /** @var array<int, int> */ - $outArray = $out->toArray(); - return ParagonIE_Sodium_Core_Util::intArrayToString($outArray); - } - - /** - * Finalize a BLAKE2b hashing context, returning the hash. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ctx - * @param int $outlen - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_final($ctx, $outlen = 32) - { - if (!is_string($ctx)) { - throw new TypeError('Context must be a string'); - } - $out = new SplFixedArray($outlen); - - /** @var SplFixedArray $context */ - $context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx); - - /** @var SplFixedArray $out */ - $out = ParagonIE_Sodium_Core_BLAKE2b::finish($context, $out); - - /** @var array<int, int> */ - $outArray = $out->toArray(); - return ParagonIE_Sodium_Core_Util::intArrayToString($outArray); - } - - /** - * Initialize a hashing context for BLAKE2b. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $key - * @param int $outputLength - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_init($key = '', $outputLength = 32) - { - // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength); - - return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx); - } - - /** - * Initialize a hashing context for BLAKE2b. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $key - * @param int $outputLength - * @param string $salt - * @param string $personal - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_init_salt_personal( - $key = '', - $outputLength = 32, - $salt = '', - $personal = '' - ) { - // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - if (!empty($salt)) { - $s = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($salt); - } else { - $s = null; - } - if (!empty($salt)) { - $p = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($personal); - } else { - $p = null; - } - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength, $s, $p); - - return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx); - } - - /** - * Update a hashing context for BLAKE2b with $message - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ctx - * @param string $message - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_update($ctx, $message) - { - // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor(); - - /** @var SplFixedArray $context */ - $context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx); - - /** @var SplFixedArray $in */ - $in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message); - - ParagonIE_Sodium_Core_BLAKE2b::update($context, $in, $in->count()); - - return ParagonIE_Sodium_Core_BLAKE2b::contextToString($context); - } - - /** - * Libsodium's crypto_kx(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $my_sk - * @param string $their_pk - * @param string $client_pk - * @param string $server_pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk) - { - return ParagonIE_Sodium_Compat::crypto_generichash( - ParagonIE_Sodium_Compat::crypto_scalarmult($my_sk, $their_pk) . - $client_pk . - $server_pk - ); - } - - /** - * ECDH over Curve25519 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @param string $pKey - * @return string - * - * @throws SodiumException - * @throws TypeError - */ - public static function scalarmult($sKey, $pKey) - { - $q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey); - self::scalarmult_throw_if_zero($q); - return $q; - } - - /** - * ECDH over Curve25519, using the basepoint. - * Used to get a secret key from a public key. - * - * @param string $secret - * @return string - * - * @throws SodiumException - * @throws TypeError - */ - public static function scalarmult_base($secret) - { - $q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10_base($secret); - self::scalarmult_throw_if_zero($q); - return $q; - } - - /** - * This throws an Error if a zero public key was passed to the function. - * - * @param string $q - * @return void - * @throws SodiumException - * @throws TypeError - */ - protected static function scalarmult_throw_if_zero($q) - { - $d = 0; - for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) { - $d |= ParagonIE_Sodium_Core_Util::chrToInt($q[$i]); - } - - /* branch-free variant of === 0 */ - if (-(1 & (($d - 1) >> 8))) { - throw new SodiumException('Zero public key is not allowed'); - } - } - - /** - * XSalsa20-Poly1305 authenticated symmetric-key encryption. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox($plaintext, $nonce, $key) - { - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext); - $mlen0 = $mlen; - if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) { - $mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20_xor( - $block0, - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - $subkey - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core_Util::substr( - $block0, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ); - if ($mlen > $mlen0) { - $c .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( - ParagonIE_Sodium_Core_Util::substr( - $plaintext, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - 1, - $subkey - ); - } - $state = new ParagonIE_Sodium_Core_Poly1305_State( - ParagonIE_Sodium_Core_Util::substr( - $block0, - 0, - self::onetimeauth_poly1305_KEYBYTES - ) - ); - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - - $state->update($c); - - /** @var string $c - MAC || ciphertext */ - $c = $state->finish() . $c; - unset($state); - - return $c; - } - - /** - * Decrypt a ciphertext generated via secretbox(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_open($ciphertext, $nonce, $key) - { - /** @var string $mac */ - $mac = ParagonIE_Sodium_Core_Util::substr( - $ciphertext, - 0, - self::secretbox_xsalsa20poly1305_MACBYTES - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core_Util::substr( - $ciphertext, - self::secretbox_xsalsa20poly1305_MACBYTES - ); - - /** @var int $clen */ - $clen = ParagonIE_Sodium_Core_Util::strlen($c); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20( - 64, - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - $subkey - ); - $verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify( - $mac, - $c, - ParagonIE_Sodium_Core_Util::substr($block0, 0, 32) - ); - if (!$verified) { - try { - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $subkey = null; - } - throw new SodiumException('Invalid MAC'); - } - - /** @var string $m - Decrypted message */ - $m = ParagonIE_Sodium_Core_Util::xorStrings( - ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES), - ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES) - ); - if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) { - // We had more than 1 block, so let's continue to decrypt the rest. - $m .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( - ParagonIE_Sodium_Core_Util::substr( - $c, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - 1, - (string) $subkey - ); - } - return $m; - } - - /** - * XChaCha20-Poly1305 authenticated symmetric-key encryption. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key) - { - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext); - $mlen0 = $mlen; - if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) { - $mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::streamXorIc( - $block0, - $nonceLast, - $subkey - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core_Util::substr( - $block0, - self::secretbox_xchacha20poly1305_ZEROBYTES - ); - if ($mlen > $mlen0) { - $c .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc( - ParagonIE_Sodium_Core_Util::substr( - $plaintext, - self::secretbox_xchacha20poly1305_ZEROBYTES - ), - $nonceLast, - $subkey, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - } - $state = new ParagonIE_Sodium_Core_Poly1305_State( - ParagonIE_Sodium_Core_Util::substr( - $block0, - 0, - self::onetimeauth_poly1305_KEYBYTES - ) - ); - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - - $state->update($c); - - /** @var string $c - MAC || ciphertext */ - $c = $state->finish() . $c; - unset($state); - - return $c; - } - - /** - * Decrypt a ciphertext generated via secretbox_xchacha20poly1305(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) - { - /** @var string $mac */ - $mac = ParagonIE_Sodium_Core_Util::substr( - $ciphertext, - 0, - self::secretbox_xchacha20poly1305_MACBYTES - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core_Util::substr( - $ciphertext, - self::secretbox_xchacha20poly1305_MACBYTES - ); - - /** @var int $clen */ - $clen = ParagonIE_Sodium_Core_Util::strlen($c); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HChaCha20::hchacha20($nonce, $key); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_ChaCha20::stream( - 64, - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - $subkey - ); - $verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify( - $mac, - $c, - ParagonIE_Sodium_Core_Util::substr($block0, 0, 32) - ); - - if (!$verified) { - try { - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $subkey = null; - } - throw new SodiumException('Invalid MAC'); - } - - /** @var string $m - Decrypted message */ - $m = ParagonIE_Sodium_Core_Util::xorStrings( - ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES), - ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES) - ); - - if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) { - // We had more than 1 block, so let's continue to decrypt the rest. - $m .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc( - ParagonIE_Sodium_Core_Util::substr( - $c, - self::secretbox_xchacha20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - (string) $subkey, - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - } - return $m; - } - - /** - * @param string $key - * @return array<int, string> Returns a state and a header. - * @throws Exception - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_init_push($key) - { - # randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES); - $out = random_bytes(24); - - # crypto_core_hchacha20(state->k, out, k, NULL); - $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20($out, $key); - $state = new ParagonIE_Sodium_Core_SecretStream_State( - $subkey, - ParagonIE_Sodium_Core_Util::substr($out, 16, 8) . str_repeat("\0", 4) - ); - - # _crypto_secretstream_xchacha20poly1305_counter_reset(state); - $state->counterReset(); - - # memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - # memset(state->_pad, 0, sizeof state->_pad); - return array( - $state->toString(), - $out - ); - } - - /** - * @param string $key - * @param string $header - * @return string Returns a state. - * @throws Exception - */ - public static function secretstream_xchacha20poly1305_init_pull($key, $header) - { - # crypto_core_hchacha20(state->k, in, k, NULL); - $subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core_Util::substr($header, 0, 16), - $key - ); - $state = new ParagonIE_Sodium_Core_SecretStream_State( - $subkey, - ParagonIE_Sodium_Core_Util::substr($header, 16) - ); - $state->counterReset(); - # memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - # memset(state->_pad, 0, sizeof state->_pad); - # return 0; - return $state->toString(); - } - - /** - * @param string $state - * @param string $msg - * @param string $aad - * @param int $tag - * @return string - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0) - { - $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); - # crypto_onetimeauth_poly1305_state poly1305_state; - # unsigned char block[64U]; - # unsigned char slen[8U]; - # unsigned char *c; - # unsigned char *mac; - - $msglen = ParagonIE_Sodium_Core_Util::strlen($msg); - $aadlen = ParagonIE_Sodium_Core_Util::strlen($aad); - - if ((($msglen + 63) >> 6) > 0xfffffffe) { - throw new SodiumException( - 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' - ); - } - - # if (outlen_p != NULL) { - # *outlen_p = 0U; - # } - # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { - # sodium_misuse(); - # } - - # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); - # crypto_onetimeauth_poly1305_init(&poly1305_state, block); - # sodium_memzero(block, sizeof block); - $auth = new ParagonIE_Sodium_Core_Poly1305_State( - ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); - $auth->update($aad); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, - # (0x10 - adlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); - - # memset(block, 0, sizeof block); - # block[0] = tag; - # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, - # state->nonce, 1U, state->k); - $block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - ParagonIE_Sodium_Core_Util::intToChr($tag) . str_repeat("\0", 63), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); - $auth->update($block); - - # out[0] = block[0]; - $out = $block[0]; - # c = out + (sizeof tag); - # crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k); - $cipher = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - $msg, - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core_Util::store64_le(2) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); - $auth->update($cipher); - - $out .= $cipher; - unset($cipher); - - # crypto_onetimeauth_poly1305_update - # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); - - # STORE64_LE(slen, (uint64_t) adlen); - $slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $auth->update($slen); - - # STORE64_LE(slen, (sizeof block) + mlen); - $slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $auth->update($slen); - - # mac = c + mlen; - # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); - $mac = $auth->finish(); - $out .= $mac; - - # sodium_memzero(&poly1305_state, sizeof poly1305_state); - unset($auth); - - - # XOR_BUF(STATE_INONCE(state), mac, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - $st->xorNonce($mac); - - # sodium_increment(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); - $st->incrementCounter(); - // Overwrite by reference: - $state = $st->toString(); - - /** @var bool $rekey */ - $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; - # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || - # sodium_is_zero(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { - # crypto_secretstream_xchacha20poly1305_rekey(state); - # } - if ($rekey || $st->needsRekey()) { - // DO REKEY - self::secretstream_xchacha20poly1305_rekey($state); - } - # if (outlen_p != NULL) { - # *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen; - # } - return $out; - } - - /** - * @param string $state - * @param string $cipher - * @param string $aad - * @return bool|array{0: string, 1: int} - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '') - { - $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); - - $cipherlen = ParagonIE_Sodium_Core_Util::strlen($cipher); - # mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES; - $msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES; - $aadlen = ParagonIE_Sodium_Core_Util::strlen($aad); - - # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { - # sodium_misuse(); - # } - if ((($msglen + 63) >> 6) > 0xfffffffe) { - throw new SodiumException( - 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' - ); - } - - # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); - # crypto_onetimeauth_poly1305_init(&poly1305_state, block); - # sodium_memzero(block, sizeof block); - $auth = new ParagonIE_Sodium_Core_Poly1305_State( - ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); - $auth->update($aad); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, - # (0x10 - adlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); - - - # memset(block, 0, sizeof block); - # block[0] = in[0]; - # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, - # state->nonce, 1U, state->k); - $block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - $cipher[0] . str_repeat("\0", 63), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core_Util::store64_le(1) - ); - # tag = block[0]; - # block[0] = in[0]; - # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); - $tag = ParagonIE_Sodium_Core_Util::chrToInt($block[0]); - $block[0] = $cipher[0]; - $auth->update($block); - - - # c = in + (sizeof tag); - # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); - $auth->update(ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen)); - - # crypto_onetimeauth_poly1305_update - # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); - - # STORE64_LE(slen, (uint64_t) adlen); - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen); - $auth->update($slen); - - # STORE64_LE(slen, (sizeof block) + mlen); - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen); - $auth->update($slen); - - # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); - # sodium_memzero(&poly1305_state, sizeof poly1305_state); - $mac = $auth->finish(); - - # stored_mac = c + mlen; - # if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) { - # sodium_memzero(mac, sizeof mac); - # return -1; - # } - - $stored = ParagonIE_Sodium_Core_Util::substr($cipher, $msglen + 1, 16); - if (!ParagonIE_Sodium_Core_Util::hashEquals($mac, $stored)) { - return false; - } - - # crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k); - $out = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core_Util::store64_le(2) - ); - - # XOR_BUF(STATE_INONCE(state), mac, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - $st->xorNonce($mac); - - # sodium_increment(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); - $st->incrementCounter(); - - # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || - # sodium_is_zero(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { - # crypto_secretstream_xchacha20poly1305_rekey(state); - # } - - // Overwrite by reference: - $state = $st->toString(); - - /** @var bool $rekey */ - $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; - if ($rekey || $st->needsRekey()) { - // DO REKEY - self::secretstream_xchacha20poly1305_rekey($state); - } - return array($out, $tag); - } - - /** - * @param string $state - * @return void - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_rekey(&$state) - { - $st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state); - # unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + - # crypto_secretstream_xchacha20poly1305_INONCEBYTES]; - # size_t i; - # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { - # new_key_and_inonce[i] = state->k[i]; - # } - $new_key_and_inonce = $st->getKey(); - - # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { - # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] = - # STATE_INONCE(state)[i]; - # } - $new_key_and_inonce .= ParagonIE_Sodium_Core_Util::substR($st->getNonce(), 0, 8); - - # crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce, - # sizeof new_key_and_inonce, - # state->nonce, state->k); - - $st->rekey(ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc( - $new_key_and_inonce, - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core_Util::store64_le(0) - )); - - # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { - # state->k[i] = new_key_and_inonce[i]; - # } - # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { - # STATE_INONCE(state)[i] = - # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i]; - # } - # _crypto_secretstream_xchacha20poly1305_counter_reset(state); - $st->counterReset(); - - $state = $st->toString(); - } - - /** - * Detached Ed25519 signature. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_detached($message, $sk) - { - return ParagonIE_Sodium_Core_Ed25519::sign_detached($message, $sk); - } - - /** - * Attached Ed25519 signature. (Returns a signed message.) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign($message, $sk) - { - return ParagonIE_Sodium_Core_Ed25519::sign($message, $sk); - } - - /** - * Opens a signed message. If valid, returns the message. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $signedMessage - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_open($signedMessage, $pk) - { - return ParagonIE_Sodium_Core_Ed25519::sign_open($signedMessage, $pk); - } - - /** - * Verify a detached signature of a given message and public key. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $signature - * @param string $message - * @param string $pk - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function sign_verify_detached($signature, $message, $pk) - { - return ParagonIE_Sodium_Core_Ed25519::verify_detached($signature, $message, $pk); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/Crypto32.php b/srcs/wordpress/wp-includes/sodium_compat/src/Crypto32.php deleted file mode 100644 index 34c0d7a..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/Crypto32.php +++ /dev/null @@ -1,1654 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_Crypto32', false)) { - return; -} - -/** - * Class ParagonIE_Sodium_Crypto - * - * ATTENTION! - * - * If you are using this library, you should be using - * ParagonIE_Sodium_Compat in your code, not this class. - */ -abstract class ParagonIE_Sodium_Crypto32 -{ - const aead_chacha20poly1305_KEYBYTES = 32; - const aead_chacha20poly1305_NSECBYTES = 0; - const aead_chacha20poly1305_NPUBBYTES = 8; - const aead_chacha20poly1305_ABYTES = 16; - - const aead_chacha20poly1305_IETF_KEYBYTES = 32; - const aead_chacha20poly1305_IETF_NSECBYTES = 0; - const aead_chacha20poly1305_IETF_NPUBBYTES = 12; - const aead_chacha20poly1305_IETF_ABYTES = 16; - - const aead_xchacha20poly1305_IETF_KEYBYTES = 32; - const aead_xchacha20poly1305_IETF_NSECBYTES = 0; - const aead_xchacha20poly1305_IETF_NPUBBYTES = 24; - const aead_xchacha20poly1305_IETF_ABYTES = 16; - - const box_curve25519xsalsa20poly1305_SEEDBYTES = 32; - const box_curve25519xsalsa20poly1305_PUBLICKEYBYTES = 32; - const box_curve25519xsalsa20poly1305_SECRETKEYBYTES = 32; - const box_curve25519xsalsa20poly1305_BEFORENMBYTES = 32; - const box_curve25519xsalsa20poly1305_NONCEBYTES = 24; - const box_curve25519xsalsa20poly1305_MACBYTES = 16; - const box_curve25519xsalsa20poly1305_BOXZEROBYTES = 16; - const box_curve25519xsalsa20poly1305_ZEROBYTES = 32; - - const onetimeauth_poly1305_BYTES = 16; - const onetimeauth_poly1305_KEYBYTES = 32; - - const secretbox_xsalsa20poly1305_KEYBYTES = 32; - const secretbox_xsalsa20poly1305_NONCEBYTES = 24; - const secretbox_xsalsa20poly1305_MACBYTES = 16; - const secretbox_xsalsa20poly1305_BOXZEROBYTES = 16; - const secretbox_xsalsa20poly1305_ZEROBYTES = 32; - - const secretbox_xchacha20poly1305_KEYBYTES = 32; - const secretbox_xchacha20poly1305_NONCEBYTES = 24; - const secretbox_xchacha20poly1305_MACBYTES = 16; - const secretbox_xchacha20poly1305_BOXZEROBYTES = 16; - const secretbox_xchacha20poly1305_ZEROBYTES = 32; - - const stream_salsa20_KEYBYTES = 32; - - /** - * AEAD Decryption with ChaCha20-Poly1305 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of message (ciphertext + MAC) */ - $len = ParagonIE_Sodium_Core32_Util::strlen($message); - - /** @var int $clen - Length of ciphertext */ - $clen = $len - self::aead_chacha20poly1305_ABYTES; - - /** @var int $adlen - Length of associated data */ - $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); - - /** @var string $mac - Message authentication code */ - $mac = ParagonIE_Sodium_Core32_Util::substr( - $message, - $clen, - self::aead_chacha20poly1305_ABYTES - ); - - /** @var string $ciphertext - The encrypted message (sans MAC) */ - $ciphertext = ParagonIE_Sodium_Core32_Util::substr($message, 0, $clen); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( - 32, - $nonce, - $key - ); - - /* Recalculate the Poly1305 authentication tag (MAC): */ - $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - $state->update($ad); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); - $state->update($ciphertext); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen)); - $computed_mac = $state->finish(); - - /* Compare the given MAC with the recalculated MAC: */ - if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) { - throw new SodiumException('Invalid MAC'); - } - - // Here, we know that the MAC is valid, so we decrypt and return the plaintext - return ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( - $ciphertext, - $nonce, - $key, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of the plaintext message */ - $len = ParagonIE_Sodium_Core32_Util::strlen($message); - - /** @var int $adlen - Length of the associated data */ - $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( - 32, - $nonce, - $key - ); - $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - - /** @var string $ciphertext - Raw encrypted data */ - $ciphertext = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( - $message, - $nonce, - $key, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - - $state->update($ad); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); - $state->update($ciphertext); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($len)); - return $ciphertext . $state->finish(); - } - - /** - * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_ietf_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $adlen - Length of associated data */ - $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); - - /** @var int $len - Length of message (ciphertext + MAC) */ - $len = ParagonIE_Sodium_Core32_Util::strlen($message); - - /** @var int $clen - Length of ciphertext */ - $clen = $len - self::aead_chacha20poly1305_IETF_ABYTES; - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream( - 32, - $nonce, - $key - ); - - /** @var string $mac - Message authentication code */ - $mac = ParagonIE_Sodium_Core32_Util::substr( - $message, - $len - self::aead_chacha20poly1305_IETF_ABYTES, - self::aead_chacha20poly1305_IETF_ABYTES - ); - - /** @var string $ciphertext - The encrypted message (sans MAC) */ - $ciphertext = ParagonIE_Sodium_Core32_Util::substr( - $message, - 0, - $len - self::aead_chacha20poly1305_IETF_ABYTES - ); - - /* Recalculate the Poly1305 authentication tag (MAC): */ - $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - $state->update($ad); - $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); - $state->update($ciphertext); - $state->update(str_repeat("\x00", (0x10 - $clen) & 0xf)); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen)); - $computed_mac = $state->finish(); - - /* Compare the given MAC with the recalculated MAC: */ - if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) { - throw new SodiumException('Invalid MAC'); - } - - // Here, we know that the MAC is valid, so we decrypt and return the plaintext - return ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - $ciphertext, - $nonce, - $key, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_chacha20poly1305_ietf_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - /** @var int $len - Length of the plaintext message */ - $len = ParagonIE_Sodium_Core32_Util::strlen($message); - - /** @var int $adlen - Length of the associated data */ - $adlen = ParagonIE_Sodium_Core32_Util::strlen($ad); - - /** @var string The first block of the chacha20 keystream, used as a poly1305 key */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream( - 32, - $nonce, - $key - ); - $state = new ParagonIE_Sodium_Core32_Poly1305_State($block0); - try { - ParagonIE_Sodium_Compat::memzero($block0); - } catch (SodiumException $ex) { - $block0 = null; - } - - /** @var string $ciphertext - Raw encrypted data */ - $ciphertext = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - $message, - $nonce, - $key, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - - $state->update($ad); - $state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf))); - $state->update($ciphertext); - $state->update(str_repeat("\x00", ((0x10 - $len) & 0xf))); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen)); - $state->update(ParagonIE_Sodium_Core32_Util::store64_le($len)); - return $ciphertext . $state->finish(); - } - - /** - * AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_xchacha20poly1305_ietf_decrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = "\x00\x00\x00\x00" . - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); - - return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey); - } - - /** - * AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $ad - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function aead_xchacha20poly1305_ietf_encrypt( - $message = '', - $ad = '', - $nonce = '', - $key = '' - ) { - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = "\x00\x00\x00\x00" . - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); - - return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey); - } - - /** - * HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $key - * @return string - * @throws TypeError - */ - public static function auth($message, $key) - { - return ParagonIE_Sodium_Core32_Util::substr( - hash_hmac('sha512', $message, $key, true), - 0, - 32 - ); - } - - /** - * HMAC-SHA-512-256 validation. Constant-time via hash_equals(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $mac - * @param string $message - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function auth_verify($mac, $message, $key) - { - return ParagonIE_Sodium_Core32_Util::hashEquals( - $mac, - self::auth($message, $key) - ); - } - - /** - * X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box($plaintext, $nonce, $keypair) - { - return self::secretbox( - $plaintext, - $nonce, - self::box_beforenm( - self::box_secretkey($keypair), - self::box_publickey($keypair) - ) - ); - } - - /** - * X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $publicKey - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal($message, $publicKey) - { - /** @var string $ephemeralKeypair */ - $ephemeralKeypair = self::box_keypair(); - - /** @var string $ephemeralSK */ - $ephemeralSK = self::box_secretkey($ephemeralKeypair); - - /** @var string $ephemeralPK */ - $ephemeralPK = self::box_publickey($ephemeralKeypair); - - /** @var string $nonce */ - $nonce = self::generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - - /** @var string $keypair - The combined keypair used in crypto_box() */ - $keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey); - - /** @var string $ciphertext Ciphertext + MAC from crypto_box */ - $ciphertext = self::box($message, $nonce, $keypair); - try { - ParagonIE_Sodium_Compat::memzero($ephemeralKeypair); - ParagonIE_Sodium_Compat::memzero($ephemeralSK); - ParagonIE_Sodium_Compat::memzero($nonce); - } catch (SodiumException $ex) { - $ephemeralKeypair = null; - $ephemeralSK = null; - $nonce = null; - } - return $ephemeralPK . $ciphertext; - } - - /** - * Opens a message encrypted via box_seal(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal_open($message, $keypair) - { - /** @var string $ephemeralPK */ - $ephemeralPK = ParagonIE_Sodium_Core32_Util::substr($message, 0, 32); - - /** @var string $ciphertext (ciphertext + MAC) */ - $ciphertext = ParagonIE_Sodium_Core32_Util::substr($message, 32); - - /** @var string $secretKey */ - $secretKey = self::box_secretkey($keypair); - - /** @var string $publicKey */ - $publicKey = self::box_publickey($keypair); - - /** @var string $nonce */ - $nonce = self::generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - - /** @var string $keypair */ - $keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK); - - /** @var string $m */ - $m = self::box_open($ciphertext, $nonce, $keypair); - try { - ParagonIE_Sodium_Compat::memzero($secretKey); - ParagonIE_Sodium_Compat::memzero($ephemeralPK); - ParagonIE_Sodium_Compat::memzero($nonce); - } catch (SodiumException $ex) { - $secretKey = null; - $ephemeralPK = null; - $nonce = null; - } - return $m; - } - - /** - * Used by crypto_box() to get the crypto_secretbox() key. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sk - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_beforenm($sk, $pk) - { - return ParagonIE_Sodium_Core32_HSalsa20::hsalsa20( - str_repeat("\x00", 16), - self::scalarmult($sk, $pk) - ); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @return string - * @throws Exception - * @throws SodiumException - * @throws TypeError - */ - public static function box_keypair() - { - $sKey = random_bytes(32); - $pKey = self::scalarmult_base($sKey); - return $sKey . $pKey; - } - - /** - * @param string $seed - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_seed_keypair($seed) - { - $sKey = ParagonIE_Sodium_Core32_Util::substr( - hash('sha512', $seed, true), - 0, - 32 - ); - $pKey = self::scalarmult_base($sKey); - return $sKey . $pKey; - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @param string $pKey - * @return string - * @throws TypeError - */ - public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey) - { - return ParagonIE_Sodium_Core32_Util::substr($sKey, 0, 32) . - ParagonIE_Sodium_Core32_Util::substr($pKey, 0, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $keypair - * @return string - * @throws RangeException - * @throws TypeError - */ - public static function box_secretkey($keypair) - { - if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== 64) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' - ); - } - return ParagonIE_Sodium_Core32_Util::substr($keypair, 0, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $keypair - * @return string - * @throws RangeException - * @throws TypeError - */ - public static function box_publickey($keypair) - { - if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.' - ); - } - return ParagonIE_Sodium_Core32_Util::substr($keypair, 32, 32); - } - - /** - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function box_publickey_from_secretkey($sKey) - { - if (ParagonIE_Sodium_Core32_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) { - throw new RangeException( - 'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.' - ); - } - return self::scalarmult_base($sKey); - } - - /** - * Decrypt a message encrypted with box(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $keypair - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function box_open($ciphertext, $nonce, $keypair) - { - return self::secretbox_open( - $ciphertext, - $nonce, - self::box_beforenm( - self::box_secretkey($keypair), - self::box_publickey($keypair) - ) - ); - } - - /** - * Calculate a BLAKE2b hash. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string|null $key - * @param int $outlen - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash($message, $key = '', $outlen = 32) - { - // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - /** @var SplFixedArray $k */ - $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - - /** @var SplFixedArray $in */ - $in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message); - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outlen); - ParagonIE_Sodium_Core32_BLAKE2b::update($ctx, $in, $in->count()); - - /** @var SplFixedArray $out */ - $out = new SplFixedArray($outlen); - $out = ParagonIE_Sodium_Core32_BLAKE2b::finish($ctx, $out); - - /** @var array<int, int> */ - $outArray = $out->toArray(); - return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray); - } - - /** - * Finalize a BLAKE2b hashing context, returning the hash. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ctx - * @param int $outlen - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_final($ctx, $outlen = 32) - { - if (!is_string($ctx)) { - throw new TypeError('Context must be a string'); - } - $out = new SplFixedArray($outlen); - - /** @var SplFixedArray $context */ - $context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx); - - /** @var SplFixedArray $out */ - $out = ParagonIE_Sodium_Core32_BLAKE2b::finish($context, $out); - - /** @var array<int, int> */ - $outArray = $out->toArray(); - return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray); - } - - /** - * Initialize a hashing context for BLAKE2b. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $key - * @param int $outputLength - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_init($key = '', $outputLength = 32) - { - // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength); - - return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx); - } - - /** - * Initialize a hashing context for BLAKE2b. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $key - * @param int $outputLength - * @param string $salt - * @param string $personal - * @return string - * @throws RangeException - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_init_salt_personal( - $key = '', - $outputLength = 32, - $salt = '', - $personal = '' - ) { - // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); - - $k = null; - if (!empty($key)) { - $k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key); - if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) { - throw new RangeException('Invalid key size'); - } - } - if (!empty($salt)) { - $s = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($salt); - } else { - $s = null; - } - if (!empty($salt)) { - $p = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($personal); - } else { - $p = null; - } - - /** @var SplFixedArray $ctx */ - $ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength, $s, $p); - - return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx); - } - - /** - * Update a hashing context for BLAKE2b with $message - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ctx - * @param string $message - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function generichash_update($ctx, $message) - { - // This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized - ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor(); - - /** @var SplFixedArray $context */ - $context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx); - - /** @var SplFixedArray $in */ - $in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message); - - ParagonIE_Sodium_Core32_BLAKE2b::update($context, $in, $in->count()); - - return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($context); - } - - /** - * Libsodium's crypto_kx(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $my_sk - * @param string $their_pk - * @param string $client_pk - * @param string $server_pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk) - { - return self::generichash( - self::scalarmult($my_sk, $their_pk) . - $client_pk . - $server_pk - ); - } - - /** - * ECDH over Curve25519 - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $sKey - * @param string $pKey - * @return string - * - * @throws SodiumException - * @throws TypeError - */ - public static function scalarmult($sKey, $pKey) - { - $q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey); - self::scalarmult_throw_if_zero($q); - return $q; - } - - /** - * ECDH over Curve25519, using the basepoint. - * Used to get a secret key from a public key. - * - * @param string $secret - * @return string - * - * @throws SodiumException - * @throws TypeError - */ - public static function scalarmult_base($secret) - { - $q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10_base($secret); - self::scalarmult_throw_if_zero($q); - return $q; - } - - /** - * This throws an Error if a zero public key was passed to the function. - * - * @param string $q - * @return void - * @throws SodiumException - * @throws TypeError - */ - protected static function scalarmult_throw_if_zero($q) - { - $d = 0; - for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) { - $d |= ParagonIE_Sodium_Core32_Util::chrToInt($q[$i]); - } - - /* branch-free variant of === 0 */ - if (-(1 & (($d - 1) >> 8))) { - throw new SodiumException('Zero public key is not allowed'); - } - } - - /** - * XSalsa20-Poly1305 authenticated symmetric-key encryption. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox($plaintext, $nonce, $key) - { - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext); - $mlen0 = $mlen; - if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) { - $mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor( - $block0, - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - $subkey - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core32_Util::substr( - $block0, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ); - if ($mlen > $mlen0) { - $c .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( - ParagonIE_Sodium_Core32_Util::substr( - $plaintext, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - 1, - $subkey - ); - } - $state = new ParagonIE_Sodium_Core32_Poly1305_State( - ParagonIE_Sodium_Core32_Util::substr( - $block0, - 0, - self::onetimeauth_poly1305_KEYBYTES - ) - ); - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - - $state->update($c); - - /** @var string $c - MAC || ciphertext */ - $c = $state->finish() . $c; - unset($state); - - return $c; - } - - /** - * Decrypt a ciphertext generated via secretbox(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_open($ciphertext, $nonce, $key) - { - /** @var string $mac */ - $mac = ParagonIE_Sodium_Core32_Util::substr( - $ciphertext, - 0, - self::secretbox_xsalsa20poly1305_MACBYTES - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core32_Util::substr( - $ciphertext, - self::secretbox_xsalsa20poly1305_MACBYTES - ); - - /** @var int $clen */ - $clen = ParagonIE_Sodium_Core32_Util::strlen($c); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20( - 64, - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - $subkey - ); - $verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify( - $mac, - $c, - ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32) - ); - if (!$verified) { - try { - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $subkey = null; - } - throw new SodiumException('Invalid MAC'); - } - - /** @var string $m - Decrypted message */ - $m = ParagonIE_Sodium_Core32_Util::xorStrings( - ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES), - ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES) - ); - if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) { - // We had more than 1 block, so let's continue to decrypt the rest. - $m .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( - ParagonIE_Sodium_Core32_Util::substr( - $c, - self::secretbox_xsalsa20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - 1, - (string) $subkey - ); - } - return $m; - } - - /** - * XChaCha20-Poly1305 authenticated symmetric-key encryption. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $plaintext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key) - { - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16), - $key - ); - $nonceLast = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext); - $mlen0 = $mlen; - if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) { - $mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( - $block0, - $nonceLast, - $subkey - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core32_Util::substr( - $block0, - self::secretbox_xchacha20poly1305_ZEROBYTES - ); - if ($mlen > $mlen0) { - $c .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( - ParagonIE_Sodium_Core32_Util::substr( - $plaintext, - self::secretbox_xchacha20poly1305_ZEROBYTES - ), - $nonceLast, - $subkey, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - } - $state = new ParagonIE_Sodium_Core32_Poly1305_State( - ParagonIE_Sodium_Core32_Util::substr( - $block0, - 0, - self::onetimeauth_poly1305_KEYBYTES - ) - ); - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - - $state->update($c); - - /** @var string $c - MAC || ciphertext */ - $c = $state->finish() . $c; - unset($state); - - return $c; - } - - /** - * Decrypt a ciphertext generated via secretbox_xchacha20poly1305(). - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $ciphertext - * @param string $nonce - * @param string $key - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) - { - /** @var string $mac */ - $mac = ParagonIE_Sodium_Core32_Util::substr( - $ciphertext, - 0, - self::secretbox_xchacha20poly1305_MACBYTES - ); - - /** @var string $c */ - $c = ParagonIE_Sodium_Core32_Util::substr( - $ciphertext, - self::secretbox_xchacha20poly1305_MACBYTES - ); - - /** @var int $clen */ - $clen = ParagonIE_Sodium_Core32_Util::strlen($c); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hchacha20($nonce, $key); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_ChaCha20::stream( - 64, - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - $subkey - ); - $verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify( - $mac, - $c, - ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32) - ); - - if (!$verified) { - try { - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $subkey = null; - } - throw new SodiumException('Invalid MAC'); - } - - /** @var string $m - Decrypted message */ - $m = ParagonIE_Sodium_Core32_Util::xorStrings( - ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES), - ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES) - ); - - if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) { - // We had more than 1 block, so let's continue to decrypt the rest. - $m .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc( - ParagonIE_Sodium_Core32_Util::substr( - $c, - self::secretbox_xchacha20poly1305_ZEROBYTES - ), - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - (string) $subkey, - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - } - return $m; - } - - /** - * @param string $key - * @return array<int, string> Returns a state and a header. - * @throws Exception - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_init_push($key) - { - # randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES); - $out = random_bytes(24); - - # crypto_core_hchacha20(state->k, out, k, NULL); - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20($out, $key); - $state = new ParagonIE_Sodium_Core32_SecretStream_State( - $subkey, - ParagonIE_Sodium_Core32_Util::substr($out, 16, 8) . str_repeat("\0", 4) - ); - - # _crypto_secretstream_xchacha20poly1305_counter_reset(state); - $state->counterReset(); - - # memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - # memset(state->_pad, 0, sizeof state->_pad); - return array( - $state->toString(), - $out - ); - } - - /** - * @param string $key - * @param string $header - * @return string Returns a state. - * @throws Exception - */ - public static function secretstream_xchacha20poly1305_init_pull($key, $header) - { - # crypto_core_hchacha20(state->k, in, k, NULL); - $subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20( - ParagonIE_Sodium_Core32_Util::substr($header, 0, 16), - $key - ); - $state = new ParagonIE_Sodium_Core32_SecretStream_State( - $subkey, - ParagonIE_Sodium_Core32_Util::substr($header, 16) - ); - $state->counterReset(); - # memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - # memset(state->_pad, 0, sizeof state->_pad); - # return 0; - return $state->toString(); - } - - /** - * @param string $state - * @param string $msg - * @param string $aad - * @param int $tag - * @return string - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0) - { - $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); - # crypto_onetimeauth_poly1305_state poly1305_state; - # unsigned char block[64U]; - # unsigned char slen[8U]; - # unsigned char *c; - # unsigned char *mac; - - $msglen = ParagonIE_Sodium_Core32_Util::strlen($msg); - $aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad); - - if ((($msglen + 63) >> 6) > 0xfffffffe) { - throw new SodiumException( - 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' - ); - } - - # if (outlen_p != NULL) { - # *outlen_p = 0U; - # } - # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { - # sodium_misuse(); - # } - - # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); - # crypto_onetimeauth_poly1305_init(&poly1305_state, block); - # sodium_memzero(block, sizeof block); - $auth = new ParagonIE_Sodium_Core32_Poly1305_State( - ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); - $auth->update($aad); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, - # (0x10 - adlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); - - # memset(block, 0, sizeof block); - # block[0] = tag; - # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, - # state->nonce, 1U, state->k); - $block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - ParagonIE_Sodium_Core32_Util::intToChr($tag) . str_repeat("\0", 63), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); - $auth->update($block); - - # out[0] = block[0]; - $out = $block[0]; - # c = out + (sizeof tag); - # crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k); - $cipher = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - $msg, - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core32_Util::store64_le(2) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); - $auth->update($cipher); - - $out .= $cipher; - unset($cipher); - - # crypto_onetimeauth_poly1305_update - # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); - - # STORE64_LE(slen, (uint64_t) adlen); - $slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $auth->update($slen); - - # STORE64_LE(slen, (sizeof block) + mlen); - $slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $auth->update($slen); - - # mac = c + mlen; - # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); - $mac = $auth->finish(); - $out .= $mac; - - # sodium_memzero(&poly1305_state, sizeof poly1305_state); - unset($auth); - - - # XOR_BUF(STATE_INONCE(state), mac, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - $st->xorNonce($mac); - - # sodium_increment(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); - $st->incrementCounter(); - // Overwrite by reference: - $state = $st->toString(); - - /** @var bool $rekey */ - $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; - # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || - # sodium_is_zero(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { - # crypto_secretstream_xchacha20poly1305_rekey(state); - # } - if ($rekey || $st->needsRekey()) { - // DO REKEY - self::secretstream_xchacha20poly1305_rekey($state); - } - # if (outlen_p != NULL) { - # *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen; - # } - return $out; - } - - /** - * @param string $state - * @param string $cipher - * @param string $aad - * @return bool|array{0: string, 1: int} - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '') - { - $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); - - $cipherlen = ParagonIE_Sodium_Core32_Util::strlen($cipher); - # mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES; - $msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES; - $aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad); - - # if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) { - # sodium_misuse(); - # } - if ((($msglen + 63) >> 6) > 0xfffffffe) { - throw new SodiumException( - 'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes' - ); - } - - # crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k); - # crypto_onetimeauth_poly1305_init(&poly1305_state, block); - # sodium_memzero(block, sizeof block); - $auth = new ParagonIE_Sodium_Core32_Poly1305_State( - ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey()) - ); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen); - $auth->update($aad); - - # crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0, - # (0x10 - adlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf))); - - - # memset(block, 0, sizeof block); - # block[0] = in[0]; - # crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block, - # state->nonce, 1U, state->k); - $block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - $cipher[0] . str_repeat("\0", 63), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core32_Util::store64_le(1) - ); - # tag = block[0]; - # block[0] = in[0]; - # crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block); - $tag = ParagonIE_Sodium_Core32_Util::chrToInt($block[0]); - $block[0] = $cipher[0]; - $auth->update($block); - - - # c = in + (sizeof tag); - # crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen); - $auth->update(ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen)); - - # crypto_onetimeauth_poly1305_update - # (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf); - $auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf))); - - # STORE64_LE(slen, (uint64_t) adlen); - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen); - $auth->update($slen); - - # STORE64_LE(slen, (sizeof block) + mlen); - # crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen); - $slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen); - $auth->update($slen); - - # crypto_onetimeauth_poly1305_final(&poly1305_state, mac); - # sodium_memzero(&poly1305_state, sizeof poly1305_state); - $mac = $auth->finish(); - - # stored_mac = c + mlen; - # if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) { - # sodium_memzero(mac, sizeof mac); - # return -1; - # } - - $stored = ParagonIE_Sodium_Core32_Util::substr($cipher, $msglen + 1, 16); - if (!ParagonIE_Sodium_Core32_Util::hashEquals($mac, $stored)) { - return false; - } - - # crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k); - $out = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen), - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core32_Util::store64_le(2) - ); - - # XOR_BUF(STATE_INONCE(state), mac, - # crypto_secretstream_xchacha20poly1305_INONCEBYTES); - $st->xorNonce($mac); - - # sodium_increment(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES); - $st->incrementCounter(); - - # if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 || - # sodium_is_zero(STATE_COUNTER(state), - # crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) { - # crypto_secretstream_xchacha20poly1305_rekey(state); - # } - - // Overwrite by reference: - $state = $st->toString(); - - /** @var bool $rekey */ - $rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0; - if ($rekey || $st->needsRekey()) { - // DO REKEY - self::secretstream_xchacha20poly1305_rekey($state); - } - return array($out, $tag); - } - - /** - * @param string $state - * @return void - * @throws SodiumException - */ - public static function secretstream_xchacha20poly1305_rekey(&$state) - { - $st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state); - # unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + - # crypto_secretstream_xchacha20poly1305_INONCEBYTES]; - # size_t i; - # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { - # new_key_and_inonce[i] = state->k[i]; - # } - $new_key_and_inonce = $st->getKey(); - - # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { - # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] = - # STATE_INONCE(state)[i]; - # } - $new_key_and_inonce .= ParagonIE_Sodium_Core32_Util::substR($st->getNonce(), 0, 8); - - # crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce, - # sizeof new_key_and_inonce, - # state->nonce, state->k); - - $st->rekey(ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc( - $new_key_and_inonce, - $st->getCombinedNonce(), - $st->getKey(), - ParagonIE_Sodium_Core32_Util::store64_le(0) - )); - - # for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) { - # state->k[i] = new_key_and_inonce[i]; - # } - # for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) { - # STATE_INONCE(state)[i] = - # new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i]; - # } - # _crypto_secretstream_xchacha20poly1305_counter_reset(state); - $st->counterReset(); - - $state = $st->toString(); - } - - /** - * Detached Ed25519 signature. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_detached($message, $sk) - { - return ParagonIE_Sodium_Core32_Ed25519::sign_detached($message, $sk); - } - - /** - * Attached Ed25519 signature. (Returns a signed message.) - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $message - * @param string $sk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign($message, $sk) - { - return ParagonIE_Sodium_Core32_Ed25519::sign($message, $sk); - } - - /** - * Opens a signed message. If valid, returns the message. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $signedMessage - * @param string $pk - * @return string - * @throws SodiumException - * @throws TypeError - */ - public static function sign_open($signedMessage, $pk) - { - return ParagonIE_Sodium_Core32_Ed25519::sign_open($signedMessage, $pk); - } - - /** - * Verify a detached signature of a given message and public key. - * - * @internal Do not use this directly. Use ParagonIE_Sodium_Compat. - * - * @param string $signature - * @param string $message - * @param string $pk - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function sign_verify_detached($signature, $message, $pk) - { - return ParagonIE_Sodium_Core32_Ed25519::verify_detached($signature, $message, $pk); - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/File.php b/srcs/wordpress/wp-includes/sodium_compat/src/File.php deleted file mode 100644 index a28df9f..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/File.php +++ /dev/null @@ -1,1561 +0,0 @@ -<?php - -if (class_exists('ParagonIE_Sodium_File', false)) { - return; -} -/** - * Class ParagonIE_Sodium_File - */ -class ParagonIE_Sodium_File extends ParagonIE_Sodium_Core_Util -{ - /* PHP's default buffer size is 8192 for fread()/fwrite(). */ - const BUFFER_SIZE = 8192; - - /** - * Box a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_box(), but produces - * the same result. - * - * @param string $inputFile Absolute path to a file on the filesystem - * @param string $outputFile Absolute path to a file on the filesystem - * @param string $nonce Number to be used only once - * @param string $keyPair ECDH secret key and ECDH public key concatenated - * - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function box($inputFile, $outputFile, $nonce, $keyPair) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($nonce)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); - } - - /* Input validation: */ - if (!is_string($keyPair)) { - throw new TypeError('Argument 4 must be a string, ' . gettype($keyPair) . ' given.'); - } - if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_NONCEBYTES) { - throw new TypeError('Argument 3 must be CRYPTO_BOX_NONCEBYTES bytes'); - } - if (self::strlen($keyPair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_BOX_KEYPAIRBYTES bytes'); - } - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - $res = self::box_encrypt($ifp, $ofp, $size, $nonce, $keyPair); - fclose($ifp); - fclose($ofp); - return $res; - } - - /** - * Open a boxed file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_box_open(), but produces - * the same result. - * - * Warning: Does not protect against TOCTOU attacks. You should - * just load the file into memory and use crypto_box_open() if - * you are worried about those. - * - * @param string $inputFile - * @param string $outputFile - * @param string $nonce - * @param string $keypair - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function box_open($inputFile, $outputFile, $nonce, $keypair) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($nonce)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); - } - if (!is_string($keypair)) { - throw new TypeError('Argument 4 must be a string, ' . gettype($keypair) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_NONCEBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_BOX_NONCEBYTES bytes'); - } - if (self::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_BOX_KEYPAIRBYTES bytes'); - } - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - $res = self::box_decrypt($ifp, $ofp, $size, $nonce, $keypair); - fclose($ifp); - fclose($ofp); - try { - ParagonIE_Sodium_Compat::memzero($nonce); - ParagonIE_Sodium_Compat::memzero($ephKeypair); - } catch (SodiumException $ex) { - unset($ephKeypair); - } - return $res; - } - - /** - * Seal a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_box_seal(), but produces - * the same result. - * - * @param string $inputFile Absolute path to a file on the filesystem - * @param string $outputFile Absolute path to a file on the filesystem - * @param string $publicKey ECDH public key - * - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal($inputFile, $outputFile, $publicKey) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($publicKey)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($publicKey) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($publicKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES) { - throw new TypeError('Argument 3 must be CRYPTO_BOX_PUBLICKEYBYTES bytes'); - } - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - /** @var string $ephKeypair */ - $ephKeypair = ParagonIE_Sodium_Compat::crypto_box_keypair(); - - /** @var string $msgKeypair */ - $msgKeypair = ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey( - ParagonIE_Sodium_Compat::crypto_box_secretkey($ephKeypair), - $publicKey - ); - - /** @var string $ephemeralPK */ - $ephemeralPK = ParagonIE_Sodium_Compat::crypto_box_publickey($ephKeypair); - - /** @var string $nonce */ - $nonce = ParagonIE_Sodium_Compat::crypto_generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - - /** @var int $firstWrite */ - $firstWrite = fwrite( - $ofp, - $ephemeralPK, - ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES - ); - if (!is_int($firstWrite)) { - fclose($ifp); - fclose($ofp); - ParagonIE_Sodium_Compat::memzero($ephKeypair); - throw new SodiumException('Could not write to output file'); - } - if ($firstWrite !== ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES) { - ParagonIE_Sodium_Compat::memzero($ephKeypair); - fclose($ifp); - fclose($ofp); - throw new SodiumException('Error writing public key to output file'); - } - - $res = self::box_encrypt($ifp, $ofp, $size, $nonce, $msgKeypair); - fclose($ifp); - fclose($ofp); - try { - ParagonIE_Sodium_Compat::memzero($nonce); - ParagonIE_Sodium_Compat::memzero($ephKeypair); - } catch (SodiumException $ex) { - unset($ephKeypair); - } - return $res; - } - - /** - * Open a sealed file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_box_seal_open(), but produces - * the same result. - * - * Warning: Does not protect against TOCTOU attacks. You should - * just load the file into memory and use crypto_box_seal_open() if - * you are worried about those. - * - * @param string $inputFile - * @param string $outputFile - * @param string $ecdhKeypair - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function box_seal_open($inputFile, $outputFile, $ecdhKeypair) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($ecdhKeypair)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($ecdhKeypair) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($ecdhKeypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { - throw new TypeError('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES bytes'); - } - - $publicKey = ParagonIE_Sodium_Compat::crypto_box_publickey($ecdhKeypair); - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - $ephemeralPK = fread($ifp, ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES); - if (!is_string($ephemeralPK)) { - throw new SodiumException('Could not read input file'); - } - if (self::strlen($ephemeralPK) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_PUBLICKEYBYTES) { - fclose($ifp); - fclose($ofp); - throw new SodiumException('Could not read public key from sealed file'); - } - - $nonce = ParagonIE_Sodium_Compat::crypto_generichash( - $ephemeralPK . $publicKey, - '', - 24 - ); - $msgKeypair = ParagonIE_Sodium_Compat::crypto_box_keypair_from_secretkey_and_publickey( - ParagonIE_Sodium_Compat::crypto_box_secretkey($ecdhKeypair), - $ephemeralPK - ); - - $res = self::box_decrypt($ifp, $ofp, $size, $nonce, $msgKeypair); - fclose($ifp); - fclose($ofp); - try { - ParagonIE_Sodium_Compat::memzero($nonce); - ParagonIE_Sodium_Compat::memzero($ephKeypair); - } catch (SodiumException $ex) { - unset($ephKeypair); - } - return $res; - } - - /** - * Calculate the BLAKE2b hash of a file. - * - * @param string $filePath Absolute path to a file on the filesystem - * @param string|null $key BLAKE2b key - * @param int $outputLength Length of hash output - * - * @return string BLAKE2b hash - * @throws SodiumException - * @throws TypeError - * @psalm-suppress FailedTypeResolution - */ - public static function generichash($filePath, $key = '', $outputLength = 32) - { - /* Type checks: */ - if (!is_string($filePath)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($filePath) . ' given.'); - } - if (!is_string($key)) { - if (is_null($key)) { - $key = ''; - } else { - throw new TypeError('Argument 2 must be a string, ' . gettype($key) . ' given.'); - } - } - if (!is_int($outputLength)) { - if (!is_numeric($outputLength)) { - throw new TypeError('Argument 3 must be an integer, ' . gettype($outputLength) . ' given.'); - } - $outputLength = (int) $outputLength; - } - - /* Input validation: */ - if (!empty($key)) { - if (self::strlen($key) < ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES_MIN) { - throw new TypeError('Argument 2 must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes'); - } - if (self::strlen($key) > ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES_MAX) { - throw new TypeError('Argument 2 must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes'); - } - } - if ($outputLength < ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MIN) { - throw new SodiumException('Argument 3 must be at least CRYPTO_GENERICHASH_BYTES_MIN'); - } - if ($outputLength > ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MAX) { - throw new SodiumException('Argument 3 must be at least CRYPTO_GENERICHASH_BYTES_MAX'); - } - - /** @var int $size */ - $size = filesize($filePath); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $fp */ - $fp = fopen($filePath, 'rb'); - if (!is_resource($fp)) { - throw new SodiumException('Could not open input file for reading'); - } - $ctx = ParagonIE_Sodium_Compat::crypto_generichash_init($key, $outputLength); - while ($size > 0) { - $blockSize = $size > 64 - ? 64 - : $size; - $read = fread($fp, $blockSize); - if (!is_string($read)) { - throw new SodiumException('Could not read input file'); - } - ParagonIE_Sodium_Compat::crypto_generichash_update($ctx, $read); - $size -= $blockSize; - } - - fclose($fp); - return ParagonIE_Sodium_Compat::crypto_generichash_final($ctx, $outputLength); - } - - /** - * Encrypt a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_secretbox(), but produces - * the same result. - * - * @param string $inputFile Absolute path to a file on the filesystem - * @param string $outputFile Absolute path to a file on the filesystem - * @param string $nonce Number to be used only once - * @param string $key Encryption key - * - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox($inputFile, $outputFile, $nonce, $key) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given..'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($nonce)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new TypeError('Argument 3 must be CRYPTO_SECRETBOX_NONCEBYTES bytes'); - } - if (!is_string($key)) { - throw new TypeError('Argument 4 must be a string, ' . gettype($key) . ' given.'); - } - if (self::strlen($key) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_SECRETBOX_KEYBYTES bytes'); - } - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - $res = self::secretbox_encrypt($ifp, $ofp, $size, $nonce, $key); - fclose($ifp); - fclose($ofp); - return $res; - } - /** - * Seal a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_secretbox_open(), but produces - * the same result. - * - * Warning: Does not protect against TOCTOU attacks. You should - * just load the file into memory and use crypto_secretbox_open() if - * you are worried about those. - * - * @param string $inputFile - * @param string $outputFile - * @param string $nonce - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - public static function secretbox_open($inputFile, $outputFile, $nonce, $key) - { - /* Type checks: */ - if (!is_string($inputFile)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); - } - if (!is_string($outputFile)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); - } - if (!is_string($nonce)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); - } - if (!is_string($key)) { - throw new TypeError('Argument 4 must be a string, ' . gettype($key) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_SECRETBOX_NONCEBYTES bytes'); - } - if (self::strlen($key) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES) { - throw new TypeError('Argument 4 must be CRYPTO_SECRETBOXBOX_KEYBYTES bytes'); - } - - /** @var int $size */ - $size = filesize($inputFile); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $ifp */ - $ifp = fopen($inputFile, 'rb'); - if (!is_resource($ifp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var resource $ofp */ - $ofp = fopen($outputFile, 'wb'); - if (!is_resource($ofp)) { - fclose($ifp); - throw new SodiumException('Could not open output file for writing'); - } - - $res = self::secretbox_decrypt($ifp, $ofp, $size, $nonce, $key); - fclose($ifp); - fclose($ofp); - try { - ParagonIE_Sodium_Compat::memzero($key); - } catch (SodiumException $ex) { - unset($key); - } - return $res; - } - - /** - * Sign a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_sign_detached(), but produces - * the same result. - * - * @param string $filePath Absolute path to a file on the filesystem - * @param string $secretKey Secret signing key - * - * @return string Ed25519 signature - * @throws SodiumException - * @throws TypeError - */ - public static function sign($filePath, $secretKey) - { - /* Type checks: */ - if (!is_string($filePath)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($filePath) . ' given.'); - } - if (!is_string($secretKey)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($secretKey) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($secretKey) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_SECRETKEYBYTES) { - throw new TypeError('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES bytes'); - } - if (PHP_INT_SIZE === 4) { - return self::sign_core32($filePath, $secretKey); - } - - /** @var int $size */ - $size = filesize($filePath); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $fp */ - $fp = fopen($filePath, 'rb'); - if (!is_resource($fp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var string $az */ - $az = hash('sha512', self::substr($secretKey, 0, 32), true); - - $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); - $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($az, 32, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - - /** @var string $nonceHash */ - $nonceHash = hash_final($hs, true); - - /** @var string $pk */ - $pk = self::substr($secretKey, 32, 32); - - /** @var string $nonce */ - $nonce = ParagonIE_Sodium_Core_Ed25519::sc_reduce($nonceHash) . self::substr($nonceHash, 32); - - /** @var string $sig */ - $sig = ParagonIE_Sodium_Core_Ed25519::ge_p3_tobytes( - ParagonIE_Sodium_Core_Ed25519::ge_scalarmult_base($nonce) - ); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($pk, 0, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - - /** @var string $hramHash */ - $hramHash = hash_final($hs, true); - - /** @var string $hram */ - $hram = ParagonIE_Sodium_Core_Ed25519::sc_reduce($hramHash); - - /** @var string $sigAfter */ - $sigAfter = ParagonIE_Sodium_Core_Ed25519::sc_muladd($hram, $az, $nonce); - - /** @var string $sig */ - $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); - - try { - ParagonIE_Sodium_Compat::memzero($az); - } catch (SodiumException $ex) { - $az = null; - } - fclose($fp); - return $sig; - } - - /** - * Verify a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but - * produces the same result. - * - * @param string $sig Ed25519 signature - * @param string $filePath Absolute path to a file on the filesystem - * @param string $publicKey Signing public key - * - * @return bool - * @throws SodiumException - * @throws TypeError - * @throws Exception - */ - public static function verify($sig, $filePath, $publicKey) - { - /* Type checks: */ - if (!is_string($sig)) { - throw new TypeError('Argument 1 must be a string, ' . gettype($sig) . ' given.'); - } - if (!is_string($filePath)) { - throw new TypeError('Argument 2 must be a string, ' . gettype($filePath) . ' given.'); - } - if (!is_string($publicKey)) { - throw new TypeError('Argument 3 must be a string, ' . gettype($publicKey) . ' given.'); - } - - /* Input validation: */ - if (self::strlen($sig) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_BYTES) { - throw new TypeError('Argument 1 must be CRYPTO_SIGN_BYTES bytes'); - } - if (self::strlen($publicKey) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_PUBLICKEYBYTES) { - throw new TypeError('Argument 3 must be CRYPTO_SIGN_PUBLICKEYBYTES bytes'); - } - if (self::strlen($sig) < 64) { - throw new SodiumException('Signature is too short'); - } - - if (PHP_INT_SIZE === 4) { - return self::verify_core32($sig, $filePath, $publicKey); - } - - /* Security checks */ - if ( - (ParagonIE_Sodium_Core_Ed25519::chrToInt($sig[63]) & 240) - && - ParagonIE_Sodium_Core_Ed25519::check_S_lt_L(self::substr($sig, 32, 32)) - ) { - throw new SodiumException('S < L - Invalid signature'); - } - if (ParagonIE_Sodium_Core_Ed25519::small_order($sig)) { - throw new SodiumException('Signature is on too small of an order'); - } - if ((self::chrToInt($sig[63]) & 224) !== 0) { - throw new SodiumException('Invalid signature'); - } - $d = 0; - for ($i = 0; $i < 32; ++$i) { - $d |= self::chrToInt($publicKey[$i]); - } - if ($d === 0) { - throw new SodiumException('All zero public key'); - } - - /** @var int $size */ - $size = filesize($filePath); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - - /** @var resource $fp */ - $fp = fopen($filePath, 'rb'); - if (!is_resource($fp)) { - throw new SodiumException('Could not open input file for reading'); - } - - /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ - $orig = ParagonIE_Sodium_Compat::$fastMult; - - // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. - ParagonIE_Sodium_Compat::$fastMult = true; - - /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A */ - $A = ParagonIE_Sodium_Core_Ed25519::ge_frombytes_negate_vartime($publicKey); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($publicKey, 0, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - /** @var string $hDigest */ - $hDigest = hash_final($hs, true); - - /** @var string $h */ - $h = ParagonIE_Sodium_Core_Ed25519::sc_reduce($hDigest) . self::substr($hDigest, 32); - - /** @var ParagonIE_Sodium_Core_Curve25519_Ge_P2 $R */ - $R = ParagonIE_Sodium_Core_Ed25519::ge_double_scalarmult_vartime( - $h, - $A, - self::substr($sig, 32) - ); - - /** @var string $rcheck */ - $rcheck = ParagonIE_Sodium_Core_Ed25519::ge_tobytes($R); - - // Close the file handle - fclose($fp); - - // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. - ParagonIE_Sodium_Compat::$fastMult = $orig; - return self::verify_32($rcheck, self::substr($sig, 0, 32)); - } - - /** - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $boxKeypair - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function box_encrypt($ifp, $ofp, $mlen, $nonce, $boxKeypair) - { - if (PHP_INT_SIZE === 4) { - return self::secretbox_encrypt( - $ifp, - $ofp, - $mlen, - $nonce, - ParagonIE_Sodium_Crypto32::box_beforenm( - ParagonIE_Sodium_Crypto32::box_secretkey($boxKeypair), - ParagonIE_Sodium_Crypto32::box_publickey($boxKeypair) - ) - ); - } - return self::secretbox_encrypt( - $ifp, - $ofp, - $mlen, - $nonce, - ParagonIE_Sodium_Crypto::box_beforenm( - ParagonIE_Sodium_Crypto::box_secretkey($boxKeypair), - ParagonIE_Sodium_Crypto::box_publickey($boxKeypair) - ) - ); - } - - - /** - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $boxKeypair - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function box_decrypt($ifp, $ofp, $mlen, $nonce, $boxKeypair) - { - if (PHP_INT_SIZE === 4) { - return self::secretbox_decrypt( - $ifp, - $ofp, - $mlen, - $nonce, - ParagonIE_Sodium_Crypto32::box_beforenm( - ParagonIE_Sodium_Crypto32::box_secretkey($boxKeypair), - ParagonIE_Sodium_Crypto32::box_publickey($boxKeypair) - ) - ); - } - return self::secretbox_decrypt( - $ifp, - $ofp, - $mlen, - $nonce, - ParagonIE_Sodium_Crypto::box_beforenm( - ParagonIE_Sodium_Crypto::box_secretkey($boxKeypair), - ParagonIE_Sodium_Crypto::box_publickey($boxKeypair) - ) - ); - } - - /** - * Encrypt a file - * - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function secretbox_encrypt($ifp, $ofp, $mlen, $nonce, $key) - { - if (PHP_INT_SIZE === 4) { - return self::secretbox_encrypt_core32($ifp, $ofp, $mlen, $nonce, $key); - } - - $plaintext = fread($ifp, 32); - if (!is_string($plaintext)) { - throw new SodiumException('Could not read input file'); - } - $first32 = self::ftell($ifp); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $realNonce */ - $realNonce = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen0 = $mlen; - if ($mlen0 > 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES) { - $mlen0 = 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20_xor( - $block0, - $realNonce, - $subkey - ); - - $state = new ParagonIE_Sodium_Core_Poly1305_State( - ParagonIE_Sodium_Core_Util::substr( - $block0, - 0, - ParagonIE_Sodium_Crypto::onetimeauth_poly1305_KEYBYTES - ) - ); - - // Pre-write 16 blank bytes for the Poly1305 tag - $start = self::ftell($ofp); - fwrite($ofp, str_repeat("\x00", 16)); - - /** @var string $c */ - $cBlock = ParagonIE_Sodium_Core_Util::substr( - $block0, - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES - ); - $state->update($cBlock); - fwrite($ofp, $cBlock); - $mlen -= 32; - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - /* - * Set the cursor to the end of the first half-block. All future bytes will - * generated from salsa20_xor_ic, starting from 1 (second block). - */ - fseek($ifp, $first32, SEEK_SET); - - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $plaintext = fread($ifp, $blockSize); - if (!is_string($plaintext)) { - throw new SodiumException('Could not read input file'); - } - $cBlock = ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( - $plaintext, - $realNonce, - $iter, - $subkey - ); - fwrite($ofp, $cBlock, $blockSize); - $state->update($cBlock); - - $mlen -= $blockSize; - $iter += $incr; - } - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - $end = self::ftell($ofp); - - /* - * Write the Poly1305 authentication tag that provides integrity - * over the ciphertext (encrypt-then-MAC) - */ - fseek($ofp, $start, SEEK_SET); - fwrite($ofp, $state->finish(), ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_MACBYTES); - fseek($ofp, $end, SEEK_SET); - unset($state); - - return true; - } - - /** - * Decrypt a file - * - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function secretbox_decrypt($ifp, $ofp, $mlen, $nonce, $key) - { - if (PHP_INT_SIZE === 4) { - return self::secretbox_decrypt_core32($ifp, $ofp, $mlen, $nonce, $key); - } - $tag = fread($ifp, 16); - if (!is_string($tag)) { - throw new SodiumException('Could not read input file'); - } - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $realNonce */ - $realNonce = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core_Salsa20::salsa20( - 64, - ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8), - $subkey - ); - - /* Verify the Poly1305 MAC -before- attempting to decrypt! */ - $state = new ParagonIE_Sodium_Core_Poly1305_State(self::substr($block0, 0, 32)); - if (!self::onetimeauth_verify($state, $ifp, $tag, $mlen)) { - throw new SodiumException('Invalid MAC'); - } - - /* - * Set the cursor to the end of the first half-block. All future bytes will - * generated from salsa20_xor_ic, starting from 1 (second block). - */ - $first32 = fread($ifp, 32); - if (!is_string($first32)) { - throw new SodiumException('Could not read input file'); - } - $first32len = self::strlen($first32); - fwrite( - $ofp, - self::xorStrings( - self::substr($block0, 32, $first32len), - self::substr($first32, 0, $first32len) - ) - ); - $mlen -= 32; - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - /* Decrypts ciphertext, writes to output file. */ - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $ciphertext = fread($ifp, $blockSize); - if (!is_string($ciphertext)) { - throw new SodiumException('Could not read input file'); - } - $pBlock = ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic( - $ciphertext, - $realNonce, - $iter, - $subkey - ); - fwrite($ofp, $pBlock, $blockSize); - $mlen -= $blockSize; - $iter += $incr; - } - return true; - } - - /** - * @param ParagonIE_Sodium_Core_Poly1305_State $state - * @param resource $ifp - * @param string $tag - * @param int $mlen - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function onetimeauth_verify( - ParagonIE_Sodium_Core_Poly1305_State $state, - $ifp, - $tag = '', - $mlen = 0 - ) { - /** @var int $pos */ - $pos = self::ftell($ifp); - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $ciphertext = fread($ifp, $blockSize); - if (!is_string($ciphertext)) { - throw new SodiumException('Could not read input file'); - } - $state->update($ciphertext); - $mlen -= $blockSize; - $iter += $incr; - } - $res = ParagonIE_Sodium_Core_Util::verify_16($tag, $state->finish()); - - fseek($ifp, $pos, SEEK_SET); - return $res; - } - - /** - * Update a hash context with the contents of a file, without - * loading the entire file into memory. - * - * @param resource|object $hash - * @param resource $fp - * @param int $size - * @return resource|object Resource on PHP < 7.2, HashContext object on PHP >= 7.2 - * @throws SodiumException - * @throws TypeError - * @psalm-suppress PossiblyInvalidArgument - * PHP 7.2 changes from a resource to an object, - * which causes Psalm to complain about an error. - * @psalm-suppress TypeCoercion - * Ditto. - */ - public static function updateHashWithFile($hash, $fp, $size = 0) - { - /* Type checks: */ - if (PHP_VERSION_ID < 70200) { - if (!is_resource($hash)) { - throw new TypeError('Argument 1 must be a resource, ' . gettype($hash) . ' given.'); - } - } else { - if (!is_object($hash)) { - throw new TypeError('Argument 1 must be an object (PHP 7.2+), ' . gettype($hash) . ' given.'); - } - } - - if (!is_resource($fp)) { - throw new TypeError('Argument 2 must be a resource, ' . gettype($fp) . ' given.'); - } - if (!is_int($size)) { - throw new TypeError('Argument 3 must be an integer, ' . gettype($size) . ' given.'); - } - - /** @var int $originalPosition */ - $originalPosition = self::ftell($fp); - - // Move file pointer to beginning of file - fseek($fp, 0, SEEK_SET); - for ($i = 0; $i < $size; $i += self::BUFFER_SIZE) { - /** @var string|bool $message */ - $message = fread( - $fp, - ($size - $i) > self::BUFFER_SIZE - ? $size - $i - : self::BUFFER_SIZE - ); - if (!is_string($message)) { - throw new SodiumException('Unexpected error reading from file.'); - } - /** @var string $message */ - /** @psalm-suppress InvalidArgument */ - hash_update($hash, $message); - } - // Reset file pointer's position - fseek($fp, $originalPosition, SEEK_SET); - return $hash; - } - - /** - * Sign a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_sign_detached(), but produces - * the same result. (32-bit) - * - * @param string $filePath Absolute path to a file on the filesystem - * @param string $secretKey Secret signing key - * - * @return string Ed25519 signature - * @throws SodiumException - * @throws TypeError - */ - private static function sign_core32($filePath, $secretKey) - { - /** @var int|bool $size */ - $size = filesize($filePath); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - /** @var int $size */ - - /** @var resource|bool $fp */ - $fp = fopen($filePath, 'rb'); - if (!is_resource($fp)) { - throw new SodiumException('Could not open input file for reading'); - } - /** @var resource $fp */ - - /** @var string $az */ - $az = hash('sha512', self::substr($secretKey, 0, 32), true); - - $az[0] = self::intToChr(self::chrToInt($az[0]) & 248); - $az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($az, 32, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - - /** @var string $nonceHash */ - $nonceHash = hash_final($hs, true); - - /** @var string $pk */ - $pk = self::substr($secretKey, 32, 32); - - /** @var string $nonce */ - $nonce = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($nonceHash) . self::substr($nonceHash, 32); - - /** @var string $sig */ - $sig = ParagonIE_Sodium_Core32_Ed25519::ge_p3_tobytes( - ParagonIE_Sodium_Core32_Ed25519::ge_scalarmult_base($nonce) - ); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($pk, 0, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - - /** @var string $hramHash */ - $hramHash = hash_final($hs, true); - - /** @var string $hram */ - $hram = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($hramHash); - - /** @var string $sigAfter */ - $sigAfter = ParagonIE_Sodium_Core32_Ed25519::sc_muladd($hram, $az, $nonce); - - /** @var string $sig */ - $sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32); - - try { - ParagonIE_Sodium_Compat::memzero($az); - } catch (SodiumException $ex) { - $az = null; - } - fclose($fp); - return $sig; - } - - /** - * - * Verify a file (rather than a string). Uses less memory than - * ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but - * produces the same result. (32-bit) - * - * @param string $sig Ed25519 signature - * @param string $filePath Absolute path to a file on the filesystem - * @param string $publicKey Signing public key - * - * @return bool - * @throws SodiumException - * @throws Exception - */ - public static function verify_core32($sig, $filePath, $publicKey) - { - /* Security checks */ - if (ParagonIE_Sodium_Core32_Ed25519::check_S_lt_L(self::substr($sig, 32, 32))) { - throw new SodiumException('S < L - Invalid signature'); - } - if (ParagonIE_Sodium_Core32_Ed25519::small_order($sig)) { - throw new SodiumException('Signature is on too small of an order'); - } - if ((self::chrToInt($sig[63]) & 224) !== 0) { - throw new SodiumException('Invalid signature'); - } - $d = 0; - for ($i = 0; $i < 32; ++$i) { - $d |= self::chrToInt($publicKey[$i]); - } - if ($d === 0) { - throw new SodiumException('All zero public key'); - } - - /** @var int|bool $size */ - $size = filesize($filePath); - if (!is_int($size)) { - throw new SodiumException('Could not obtain the file size'); - } - /** @var int $size */ - - /** @var resource|bool $fp */ - $fp = fopen($filePath, 'rb'); - if (!is_resource($fp)) { - throw new SodiumException('Could not open input file for reading'); - } - /** @var resource $fp */ - - /** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */ - $orig = ParagonIE_Sodium_Compat::$fastMult; - - // Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification. - ParagonIE_Sodium_Compat::$fastMult = true; - - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */ - $A = ParagonIE_Sodium_Core32_Ed25519::ge_frombytes_negate_vartime($publicKey); - - $hs = hash_init('sha512'); - hash_update($hs, self::substr($sig, 0, 32)); - hash_update($hs, self::substr($publicKey, 0, 32)); - /** @var resource $hs */ - $hs = self::updateHashWithFile($hs, $fp, $size); - /** @var string $hDigest */ - $hDigest = hash_final($hs, true); - - /** @var string $h */ - $h = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($hDigest) . self::substr($hDigest, 32); - - /** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */ - $R = ParagonIE_Sodium_Core32_Ed25519::ge_double_scalarmult_vartime( - $h, - $A, - self::substr($sig, 32) - ); - - /** @var string $rcheck */ - $rcheck = ParagonIE_Sodium_Core32_Ed25519::ge_tobytes($R); - - // Close the file handle - fclose($fp); - - // Reset ParagonIE_Sodium_Compat::$fastMult to what it was before. - ParagonIE_Sodium_Compat::$fastMult = $orig; - return self::verify_32($rcheck, self::substr($sig, 0, 32)); - } - - /** - * Encrypt a file (32-bit) - * - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function secretbox_encrypt_core32($ifp, $ofp, $mlen, $nonce, $key) - { - $plaintext = fread($ifp, 32); - if (!is_string($plaintext)) { - throw new SodiumException('Could not read input file'); - } - $first32 = self::ftell($ifp); - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $realNonce */ - $realNonce = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = str_repeat("\x00", 32); - - /** @var int $mlen - Length of the plaintext message */ - $mlen0 = $mlen; - if ($mlen0 > 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES) { - $mlen0 = 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES; - } - $block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor( - $block0, - $realNonce, - $subkey - ); - - $state = new ParagonIE_Sodium_Core32_Poly1305_State( - ParagonIE_Sodium_Core32_Util::substr( - $block0, - 0, - ParagonIE_Sodium_Crypto::onetimeauth_poly1305_KEYBYTES - ) - ); - - // Pre-write 16 blank bytes for the Poly1305 tag - $start = self::ftell($ofp); - fwrite($ofp, str_repeat("\x00", 16)); - - /** @var string $c */ - $cBlock = ParagonIE_Sodium_Core32_Util::substr( - $block0, - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES - ); - $state->update($cBlock); - fwrite($ofp, $cBlock); - $mlen -= 32; - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - /* - * Set the cursor to the end of the first half-block. All future bytes will - * generated from salsa20_xor_ic, starting from 1 (second block). - */ - fseek($ifp, $first32, SEEK_SET); - - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $plaintext = fread($ifp, $blockSize); - if (!is_string($plaintext)) { - throw new SodiumException('Could not read input file'); - } - $cBlock = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( - $plaintext, - $realNonce, - $iter, - $subkey - ); - fwrite($ofp, $cBlock, $blockSize); - $state->update($cBlock); - - $mlen -= $blockSize; - $iter += $incr; - } - try { - ParagonIE_Sodium_Compat::memzero($block0); - ParagonIE_Sodium_Compat::memzero($subkey); - } catch (SodiumException $ex) { - $block0 = null; - $subkey = null; - } - $end = self::ftell($ofp); - - /* - * Write the Poly1305 authentication tag that provides integrity - * over the ciphertext (encrypt-then-MAC) - */ - fseek($ofp, $start, SEEK_SET); - fwrite($ofp, $state->finish(), ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_MACBYTES); - fseek($ofp, $end, SEEK_SET); - unset($state); - - return true; - } - - /** - * Decrypt a file (32-bit) - * - * @param resource $ifp - * @param resource $ofp - * @param int $mlen - * @param string $nonce - * @param string $key - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function secretbox_decrypt_core32($ifp, $ofp, $mlen, $nonce, $key) - { - $tag = fread($ifp, 16); - if (!is_string($tag)) { - throw new SodiumException('Could not read input file'); - } - - /** @var string $subkey */ - $subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key); - - /** @var string $realNonce */ - $realNonce = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8); - - /** @var string $block0 */ - $block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20( - 64, - ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8), - $subkey - ); - - /* Verify the Poly1305 MAC -before- attempting to decrypt! */ - $state = new ParagonIE_Sodium_Core32_Poly1305_State(self::substr($block0, 0, 32)); - if (!self::onetimeauth_verify_core32($state, $ifp, $tag, $mlen)) { - throw new SodiumException('Invalid MAC'); - } - - /* - * Set the cursor to the end of the first half-block. All future bytes will - * generated from salsa20_xor_ic, starting from 1 (second block). - */ - $first32 = fread($ifp, 32); - if (!is_string($first32)) { - throw new SodiumException('Could not read input file'); - } - $first32len = self::strlen($first32); - fwrite( - $ofp, - self::xorStrings( - self::substr($block0, 32, $first32len), - self::substr($first32, 0, $first32len) - ) - ); - $mlen -= 32; - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - /* Decrypts ciphertext, writes to output file. */ - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $ciphertext = fread($ifp, $blockSize); - if (!is_string($ciphertext)) { - throw new SodiumException('Could not read input file'); - } - $pBlock = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic( - $ciphertext, - $realNonce, - $iter, - $subkey - ); - fwrite($ofp, $pBlock, $blockSize); - $mlen -= $blockSize; - $iter += $incr; - } - return true; - } - - /** - * One-time message authentication for 32-bit systems - * - * @param ParagonIE_Sodium_Core32_Poly1305_State $state - * @param resource $ifp - * @param string $tag - * @param int $mlen - * @return bool - * @throws SodiumException - * @throws TypeError - */ - protected static function onetimeauth_verify_core32( - ParagonIE_Sodium_Core32_Poly1305_State $state, - $ifp, - $tag = '', - $mlen = 0 - ) { - /** @var int $pos */ - $pos = self::ftell($ifp); - - /** @var int $iter */ - $iter = 1; - - /** @var int $incr */ - $incr = self::BUFFER_SIZE >> 6; - - while ($mlen > 0) { - $blockSize = $mlen > self::BUFFER_SIZE - ? self::BUFFER_SIZE - : $mlen; - $ciphertext = fread($ifp, $blockSize); - if (!is_string($ciphertext)) { - throw new SodiumException('Could not read input file'); - } - $state->update($ciphertext); - $mlen -= $blockSize; - $iter += $incr; - } - $res = ParagonIE_Sodium_Core32_Util::verify_16($tag, $state->finish()); - - fseek($ifp, $pos, SEEK_SET); - return $res; - } - - /** - * @param resource $resource - * @return int - * @throws SodiumException - */ - private static function ftell($resource) - { - $return = ftell($resource); - if (!is_int($return)) { - throw new SodiumException('ftell() returned false'); - } - return (int) $return; - } -} diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/PHP52/SplFixedArray.php b/srcs/wordpress/wp-includes/sodium_compat/src/PHP52/SplFixedArray.php deleted file mode 100644 index 9279f60..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/PHP52/SplFixedArray.php +++ /dev/null @@ -1,187 +0,0 @@ -<?php - -if (class_exists('SplFixedArray')) { - return; -} - -/** - * The SplFixedArray class provides the main functionalities of array. The - * main differences between a SplFixedArray and a normal PHP array is that - * the SplFixedArray is of fixed length and allows only integers within - * the range as indexes. The advantage is that it allows a faster array - * implementation. - */ -class SplFixedArray implements Iterator, ArrayAccess, Countable -{ - /** @var array<int, mixed> */ - private $internalArray = array(); - - /** @var int $size */ - private $size = 0; - - /** - * SplFixedArray constructor. - * @param int $size - */ - public function __construct($size = 0) - { - $this->size = $size; - $this->internalArray = array(); - } - - /** - * @return int - */ - public function count() - { - return count($this->internalArray); - } - - /** - * @return array - */ - public function toArray() - { - ksort($this->internalArray); - return (array) $this->internalArray; - } - - /** - * @param array $array - * @param bool $save_indexes - * @return SplFixedArray - * @psalm-suppress MixedAssignment - */ - public static function fromArray(array $array, $save_indexes = true) - { - $self = new SplFixedArray(count($array)); - if($save_indexes) { - foreach($array as $key => $value) { - $self[(int) $key] = $value; - } - } else { - $i = 0; - foreach (array_values($array) as $value) { - $self[$i] = $value; - $i++; - } - } - return $self; - } - - /** - * @return int - */ - public function getSize() - { - return $this->size; - } - - /** - * @param int $size - * @return bool - */ - public function setSize($size) - { - $this->size = $size; - return true; - } - - /** - * @param string|int $index - * @return bool - */ - public function offsetExists($index) - { - return array_key_exists((int) $index, $this->internalArray); - } - - /** - * @param string|int $index - * @return mixed - */ - public function offsetGet($index) - { - return $this->internalArray[(int) $index]; - } - - /** - * @param string|int $index - * @param mixed $newval - * @psalm-suppress MixedAssignment - */ - public function offsetSet($index, $newval) - { - $this->internalArray[(int) $index] = $newval; - } - - /** - * @param string|int $index - */ - public function offsetUnset($index) - { - unset($this->internalArray[(int) $index]); - } - - /** - * Rewind iterator back to the start - * @link https://php.net/manual/en/splfixedarray.rewind.php - * @return void - * @since 5.3.0 - */ - public function rewind() - { - reset($this->internalArray); - } - - /** - * Return current array entry - * @link https://php.net/manual/en/splfixedarray.current.php - * @return mixed The current element value. - * @since 5.3.0 - */ - public function current() - { - return current($this->internalArray); - } - - /** - * Return current array index - * @return int The current array index. - */ - public function key() - { - return key($this->internalArray); - } - - /** - * @return void - */ - public function next() - { - next($this->internalArray); - } - - /** - * Check whether the array contains more elements - * @link https://php.net/manual/en/splfixedarray.valid.php - * @return bool true if the array contains any more elements, false otherwise. - */ - public function valid() - { - if (empty($this->internalArray)) { - return false; - } - $result = next($this->internalArray) !== false; - prev($this->internalArray); - return $result; - } - - /** - * Do nothing. - */ - public function __wakeup() - { - // NOP - } -}
\ No newline at end of file diff --git a/srcs/wordpress/wp-includes/sodium_compat/src/SodiumException.php b/srcs/wordpress/wp-includes/sodium_compat/src/SodiumException.php deleted file mode 100644 index a3176d7..0000000 --- a/srcs/wordpress/wp-includes/sodium_compat/src/SodiumException.php +++ /dev/null @@ -1,11 +0,0 @@ -<?php - -if (!class_exists('SodiumException', false)) { - /** - * Class SodiumException - */ - class SodiumException extends Exception - { - - } -} |