190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* 2f71323e297a928af368937089d3ed71239786f86Andreas Huber * This code implements the MD5 message-digest algorithm. 3f71323e297a928af368937089d3ed71239786f86Andreas Huber * The algorithm is due to Ron Rivest. This code was 4f71323e297a928af368937089d3ed71239786f86Andreas Huber * written by Colin Plumb in 1993, no copyright is claimed. 5f71323e297a928af368937089d3ed71239786f86Andreas Huber * This code is in the public domain; do with it what you wish. 690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber * 7f71323e297a928af368937089d3ed71239786f86Andreas Huber * Equivalent code is available from RSA Data Security, Inc. 8f71323e297a928af368937089d3ed71239786f86Andreas Huber * This code has been tested against that, and is equivalent, 9f71323e297a928af368937089d3ed71239786f86Andreas Huber * except that you don't need to include two pages of legalese 10f71323e297a928af368937089d3ed71239786f86Andreas Huber * with every copy. 11f71323e297a928af368937089d3ed71239786f86Andreas Huber * 12f71323e297a928af368937089d3ed71239786f86Andreas Huber * To compute the message digest of a chunk of bytes, declare an 13f71323e297a928af368937089d3ed71239786f86Andreas Huber * MD5Context structure, pass it to MD5Init, call MD5Update as 14f71323e297a928af368937089d3ed71239786f86Andreas Huber * needed on buffers full of bytes, and then call MD5Final, which 15f71323e297a928af368937089d3ed71239786f86Andreas Huber * will fill a supplied 16-byte array with the digest. 16f71323e297a928af368937089d3ed71239786f86Andreas Huber * 17f71323e297a928af368937089d3ed71239786f86Andreas Huber * Changed so as no longer to depend on Colin Plumb's `usual.h' header 18f71323e297a928af368937089d3ed71239786f86Andreas Huber * definitions 19f71323e297a928af368937089d3ed71239786f86Andreas Huber * - Ian Jackson <ian@chiark.greenend.org.uk>. 20f71323e297a928af368937089d3ed71239786f86Andreas Huber * Still in the public domain. 2190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 2290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 23f71323e297a928af368937089d3ed71239786f86Andreas Huber#include <string.h> /* for memcpy() */ 2490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 2590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include "md5_utils.h" 2690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 27f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid 28f71323e297a928af368937089d3ed71239786f86Andreas HuberbyteSwap(UWORD32 *buf, unsigned words) 2990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{ 30f71323e297a928af368937089d3ed71239786f86Andreas Huber md5byte *p; 3190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 32f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Only swap bytes for big endian machines */ 33f71323e297a928af368937089d3ed71239786f86Andreas Huber int i = 1; 3490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 35f71323e297a928af368937089d3ed71239786f86Andreas Huber if (*(char *)&i == 1) 36f71323e297a928af368937089d3ed71239786f86Andreas Huber return; 3790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 38f71323e297a928af368937089d3ed71239786f86Andreas Huber p = (md5byte *)buf; 39f71323e297a928af368937089d3ed71239786f86Andreas Huber 40f71323e297a928af368937089d3ed71239786f86Andreas Huber do 41f71323e297a928af368937089d3ed71239786f86Andreas Huber { 42f71323e297a928af368937089d3ed71239786f86Andreas Huber *buf++ = (UWORD32)((unsigned)p[3] << 8 | p[2]) << 16 | 43f71323e297a928af368937089d3ed71239786f86Andreas Huber ((unsigned)p[1] << 8 | p[0]); 44f71323e297a928af368937089d3ed71239786f86Andreas Huber p += 4; 4590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber } 46f71323e297a928af368937089d3ed71239786f86Andreas Huber while (--words); 47f71323e297a928af368937089d3ed71239786f86Andreas Huber} 4890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 49f71323e297a928af368937089d3ed71239786f86Andreas Huber/* 50f71323e297a928af368937089d3ed71239786f86Andreas Huber * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious 51f71323e297a928af368937089d3ed71239786f86Andreas Huber * initialization constants. 5290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 53f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid 54f71323e297a928af368937089d3ed71239786f86Andreas HuberMD5Init(struct MD5Context *ctx) 5590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{ 56f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->buf[0] = 0x67452301; 57f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->buf[1] = 0xefcdab89; 58f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->buf[2] = 0x98badcfe; 59f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->buf[3] = 0x10325476; 60f71323e297a928af368937089d3ed71239786f86Andreas Huber 61f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->bytes[0] = 0; 62f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->bytes[1] = 0; 6390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber} 6490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 65f71323e297a928af368937089d3ed71239786f86Andreas Huber/* 66f71323e297a928af368937089d3ed71239786f86Andreas Huber * Update context to reflect the concatenation of another buffer full 67f71323e297a928af368937089d3ed71239786f86Andreas Huber * of bytes. 6890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 69f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid 70f71323e297a928af368937089d3ed71239786f86Andreas HuberMD5Update(struct MD5Context *ctx, md5byte const *buf, unsigned len) 7190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{ 72f71323e297a928af368937089d3ed71239786f86Andreas Huber UWORD32 t; 7390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 74f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Update byte count */ 7590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 76f71323e297a928af368937089d3ed71239786f86Andreas Huber t = ctx->bytes[0]; 7790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 78f71323e297a928af368937089d3ed71239786f86Andreas Huber if ((ctx->bytes[0] = t + len) < t) 79f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->bytes[1]++; /* Carry from low to high */ 8090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 81f71323e297a928af368937089d3ed71239786f86Andreas Huber t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */ 8290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 83f71323e297a928af368937089d3ed71239786f86Andreas Huber if (t > len) 8490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber { 85f71323e297a928af368937089d3ed71239786f86Andreas Huber memcpy((md5byte *)ctx->in + 64 - t, buf, len); 86f71323e297a928af368937089d3ed71239786f86Andreas Huber return; 87f71323e297a928af368937089d3ed71239786f86Andreas Huber } 8890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 89f71323e297a928af368937089d3ed71239786f86Andreas Huber /* First chunk is an odd size */ 90f71323e297a928af368937089d3ed71239786f86Andreas Huber memcpy((md5byte *)ctx->in + 64 - t, buf, t); 91f71323e297a928af368937089d3ed71239786f86Andreas Huber byteSwap(ctx->in, 16); 92f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5Transform(ctx->buf, ctx->in); 93f71323e297a928af368937089d3ed71239786f86Andreas Huber buf += t; 94f71323e297a928af368937089d3ed71239786f86Andreas Huber len -= t; 9590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 96f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Process data in 64-byte chunks */ 97f71323e297a928af368937089d3ed71239786f86Andreas Huber while (len >= 64) 98f71323e297a928af368937089d3ed71239786f86Andreas Huber { 99f71323e297a928af368937089d3ed71239786f86Andreas Huber memcpy(ctx->in, buf, 64); 100f71323e297a928af368937089d3ed71239786f86Andreas Huber byteSwap(ctx->in, 16); 101f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5Transform(ctx->buf, ctx->in); 102f71323e297a928af368937089d3ed71239786f86Andreas Huber buf += 64; 103f71323e297a928af368937089d3ed71239786f86Andreas Huber len -= 64; 10490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber } 10590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 106f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Handle any remaining bytes of data. */ 107f71323e297a928af368937089d3ed71239786f86Andreas Huber memcpy(ctx->in, buf, len); 10890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber} 10990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 110f71323e297a928af368937089d3ed71239786f86Andreas Huber/* 111f71323e297a928af368937089d3ed71239786f86Andreas Huber * Final wrapup - pad to 64-byte boundary with the bit pattern 112f71323e297a928af368937089d3ed71239786f86Andreas Huber * 1 0* (64-bit count of bits processed, MSB-first) 11390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 114f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid 115f71323e297a928af368937089d3ed71239786f86Andreas HuberMD5Final(md5byte digest[16], struct MD5Context *ctx) 11690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{ 117f71323e297a928af368937089d3ed71239786f86Andreas Huber int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */ 118f71323e297a928af368937089d3ed71239786f86Andreas Huber md5byte *p = (md5byte *)ctx->in + count; 11990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 120f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Set the first char of padding to 0x80. There is always room. */ 121f71323e297a928af368937089d3ed71239786f86Andreas Huber *p++ = 0x80; 12290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 123f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Bytes of padding needed to make 56 bytes (-8..55) */ 124f71323e297a928af368937089d3ed71239786f86Andreas Huber count = 56 - 1 - count; 12590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 126f71323e297a928af368937089d3ed71239786f86Andreas Huber if (count < 0) /* Padding forces an extra block */ 12790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber { 128f71323e297a928af368937089d3ed71239786f86Andreas Huber memset(p, 0, count + 8); 129f71323e297a928af368937089d3ed71239786f86Andreas Huber byteSwap(ctx->in, 16); 130f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5Transform(ctx->buf, ctx->in); 131f71323e297a928af368937089d3ed71239786f86Andreas Huber p = (md5byte *)ctx->in; 132f71323e297a928af368937089d3ed71239786f86Andreas Huber count = 56; 13390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber } 134f71323e297a928af368937089d3ed71239786f86Andreas Huber 135f71323e297a928af368937089d3ed71239786f86Andreas Huber memset(p, 0, count); 136f71323e297a928af368937089d3ed71239786f86Andreas Huber byteSwap(ctx->in, 14); 137f71323e297a928af368937089d3ed71239786f86Andreas Huber 138f71323e297a928af368937089d3ed71239786f86Andreas Huber /* Append length in bits and transform */ 139f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->in[14] = ctx->bytes[0] << 3; 140f71323e297a928af368937089d3ed71239786f86Andreas Huber ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29; 141f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5Transform(ctx->buf, ctx->in); 142f71323e297a928af368937089d3ed71239786f86Andreas Huber 143f71323e297a928af368937089d3ed71239786f86Andreas Huber byteSwap(ctx->buf, 4); 144f71323e297a928af368937089d3ed71239786f86Andreas Huber memcpy(digest, ctx->buf, 16); 145f71323e297a928af368937089d3ed71239786f86Andreas Huber memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */ 14690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber} 14790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 148f71323e297a928af368937089d3ed71239786f86Andreas Huber#ifndef ASM_MD5 149f71323e297a928af368937089d3ed71239786f86Andreas Huber 150f71323e297a928af368937089d3ed71239786f86Andreas Huber/* The four core functions - F1 is optimized somewhat */ 151f71323e297a928af368937089d3ed71239786f86Andreas Huber 152f71323e297a928af368937089d3ed71239786f86Andreas Huber/* #define F1(x, y, z) (x & y | ~x & z) */ 153f71323e297a928af368937089d3ed71239786f86Andreas Huber#define F1(x, y, z) (z ^ (x & (y ^ z))) 154f71323e297a928af368937089d3ed71239786f86Andreas Huber#define F2(x, y, z) F1(z, x, y) 155f71323e297a928af368937089d3ed71239786f86Andreas Huber#define F3(x, y, z) (x ^ y ^ z) 156f71323e297a928af368937089d3ed71239786f86Andreas Huber#define F4(x, y, z) (y ^ (x | ~z)) 157f71323e297a928af368937089d3ed71239786f86Andreas Huber 158f71323e297a928af368937089d3ed71239786f86Andreas Huber/* This is the central step in the MD5 algorithm. */ 159f71323e297a928af368937089d3ed71239786f86Andreas Huber#define MD5STEP(f,w,x,y,z,in,s) \ 160f71323e297a928af368937089d3ed71239786f86Andreas Huber (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x) 161f71323e297a928af368937089d3ed71239786f86Andreas Huber 162f71323e297a928af368937089d3ed71239786f86Andreas Huber/* 163f71323e297a928af368937089d3ed71239786f86Andreas Huber * The core of the MD5 algorithm, this alters an existing MD5 hash to 164f71323e297a928af368937089d3ed71239786f86Andreas Huber * reflect the addition of 16 longwords of new data. MD5Update blocks 165f71323e297a928af368937089d3ed71239786f86Andreas Huber * the data and converts bytes into longwords for this routine. 16690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 167f71323e297a928af368937089d3ed71239786f86Andreas Hubervoid 168f71323e297a928af368937089d3ed71239786f86Andreas HuberMD5Transform(UWORD32 buf[4], UWORD32 const in[16]) 16990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{ 170f71323e297a928af368937089d3ed71239786f86Andreas Huber register UWORD32 a, b, c, d; 171f71323e297a928af368937089d3ed71239786f86Andreas Huber 172f71323e297a928af368937089d3ed71239786f86Andreas Huber a = buf[0]; 173f71323e297a928af368937089d3ed71239786f86Andreas Huber b = buf[1]; 174f71323e297a928af368937089d3ed71239786f86Andreas Huber c = buf[2]; 175f71323e297a928af368937089d3ed71239786f86Andreas Huber d = buf[3]; 176f71323e297a928af368937089d3ed71239786f86Andreas Huber 177f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); 178f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); 179f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); 180f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); 181f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); 182f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); 183f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); 184f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); 185f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); 186f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); 187f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); 188f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); 189f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); 190f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); 191f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); 192f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); 193f71323e297a928af368937089d3ed71239786f86Andreas Huber 194f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); 195f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); 196f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); 197f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); 198f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); 199f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); 200f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); 201f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); 202f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); 203f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); 204f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); 205f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); 206f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); 207f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); 208f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); 209f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); 210f71323e297a928af368937089d3ed71239786f86Andreas Huber 211f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); 212f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); 213f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); 214f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); 215f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); 216f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); 217f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); 218f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); 219f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); 220f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); 221f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); 222f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); 223f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); 224f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); 225f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); 226f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); 227f71323e297a928af368937089d3ed71239786f86Andreas Huber 228f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); 229f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); 230f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); 231f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); 232f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); 233f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); 234f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); 235f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); 236f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); 237f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); 238f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); 239f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); 240f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); 241f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); 242f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); 243f71323e297a928af368937089d3ed71239786f86Andreas Huber MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); 244f71323e297a928af368937089d3ed71239786f86Andreas Huber 245f71323e297a928af368937089d3ed71239786f86Andreas Huber buf[0] += a; 246f71323e297a928af368937089d3ed71239786f86Andreas Huber buf[1] += b; 247f71323e297a928af368937089d3ed71239786f86Andreas Huber buf[2] += c; 248f71323e297a928af368937089d3ed71239786f86Andreas Huber buf[3] += d; 24990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber} 250f71323e297a928af368937089d3ed71239786f86Andreas Huber 251f71323e297a928af368937089d3ed71239786f86Andreas Huber#endif 252