Added sha1 and sha256 (not working)

1 files changed, 79 insertions, 0 deletions

diff --git a/src/sha256.c b/src/sha256.c
new file mode 100644
index 0000000..29e2cde
--- /dev/null
+++ b/src/sha256.c
@@ -0,0 +1,79 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   sha256.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <me@cacharle.xyz>                  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/08/02 16:36:43 by charles           #+#    #+#             */
+/*   Updated: 2020/08/02 16:46:32 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_ssl.h"
+
+static const uint32_t	g_cube_roots[64] = {
+   0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+   0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+   0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+   0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+   0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+   0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+   0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+   0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+};
+
+void	*sha256_compression_func(void *v_state, uint8_t *chunk)
+{
+	uint32_t	buf[64] = {0};
+	uint32_t	*state = v_state;
+	uint32_t	a, b, c, d, e, f, g, h, s0, s1, ch, temp1, temp2, maj;
+	size_t		i;
+
+	ft_memcpy(buf, chunk, 64);
+
+	for (i = 16; i < 64; i++)
+	{
+		s0 = rotate_right(buf[i - 15], 7) ^ rotate_right(buf[i - 15], 18) ^ rotate_right(buf[i - 15], 3);
+		s1 = rotate_right(buf[i - 2], 17) ^ rotate_right(buf[i - 2], 19) ^ rotate_right(buf[i - 2], 10);
+		buf[i] = buf[i - 16] + s0 + buf[i - 7] + s1;
+	}
+
+	a = state[0];
+	b = state[1];
+	c = state[2];
+	d = state[3];
+	e = state[4];
+	f = state[5];
+	g = state[6];
+	h = state[7];
+
+	for (i = 0; i < 64; i++)
+	{
+		s1 = rotate_right(e, 6) ^ rotate_right(e, 11) ^ rotate_right(e, 25);
+		ch = (e & f) ^ (~e & g);
+		temp1 = h + s1 + ch + g_cube_roots[i] + buf[i];
+		s0 = rotate_right(a, 2) ^ rotate_right(a, 13) ^ rotate_right(a, 22);
+		maj = (a & b) ^ (a & c) ^ (b & c);
+		temp2 = s0 + maj;
+
+		h = g;
+		g = f;
+		f = e;
+		e = d + temp1;
+		d = c;
+		c = b;
+		b = a;
+		a = temp1 + temp2;
+	}
+
+	state[0] += a;
+	state[1] += b;
+	state[2] += c;
+	state[3] += d;
+	state[4] += e;
+	state[5] += f;
+	state[6] += g;
+	state[7] += h;
+	return (state);
+}