diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php')
| -rw-r--r-- | srcs/phpmyadmin/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/srcs/phpmyadmin/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php b/srcs/phpmyadmin/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php deleted file mode 100644 index 1a41075..0000000 --- a/srcs/phpmyadmin/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php +++ /dev/null @@ -1,95 +0,0 @@ -<?php -declare(strict_types=1); -namespace ParagonIE\ConstantTime; - -/** - * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises. - * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com) - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -/** - * Class Base64UrlSafe - * [A-Z][a-z][0-9]\-_ - * - * @package ParagonIE\ConstantTime - */ -abstract class Base64UrlSafe extends Base64 -{ - - /** - * 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, 0x2d, 0x5f - * - * @param int $src - * @return int - */ - protected static function decode6Bits(int $src): int - { - $ret = -1; - - // if ($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(int $src): string - { - $diff = 0x41; - - // if ($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); - } -} |
