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FreeRTOS-Kernel/FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/ripemd.c
Richard Barry 5a6242fbd0 Update WolfSSL library to the latest version.
2015-08-28 13:46:22 +00:00

355 lines
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C
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/* ripemd.c
*
* Copyright (C) 2006-2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <wolfssl/wolfcrypt/settings.h>
#ifdef WOLFSSL_RIPEMD
#include <wolfssl/wolfcrypt/ripemd.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#include <wolfcrypt/src/misc.c>
#endif
#ifndef WOLFSSL_HAVE_MIN
#define WOLFSSL_HAVE_MIN
static INLINE word32 min(word32 a, word32 b)
{
return a > b ? b : a;
}
#endif /* WOLFSSL_HAVE_MIN */
void wc_InitRipeMd(RipeMd* ripemd)
{
ripemd->digest[0] = 0x67452301L;
ripemd->digest[1] = 0xEFCDAB89L;
ripemd->digest[2] = 0x98BADCFEL;
ripemd->digest[3] = 0x10325476L;
ripemd->digest[4] = 0xC3D2E1F0L;
ripemd->buffLen = 0;
ripemd->loLen = 0;
ripemd->hiLen = 0;
}
/* for all */
#define F(x, y, z) (x ^ y ^ z)
#define G(x, y, z) (z ^ (x & (y^z)))
#define H(x, y, z) (z ^ (x | ~y))
#define I(x, y, z) (y ^ (z & (x^y)))
#define J(x, y, z) (x ^ (y | ~z))
#define k0 0
#define k1 0x5a827999
#define k2 0x6ed9eba1
#define k3 0x8f1bbcdc
#define k4 0xa953fd4e
#define k5 0x50a28be6
#define k6 0x5c4dd124
#define k7 0x6d703ef3
#define k8 0x7a6d76e9
#define k9 0
/* for 160 and 320 */
#define Subround(f, a, b, c, d, e, x, s, k) \
a += f(b, c, d) + x + k;\
a = rotlFixed((word32)a, s) + e;\
c = rotlFixed((word32)c, 10U)
static void Transform(RipeMd* ripemd)
{
word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
a1 = a2 = ripemd->digest[0];
b1 = b2 = ripemd->digest[1];
c1 = c2 = ripemd->digest[2];
d1 = d2 = ripemd->digest[3];
e1 = e2 = ripemd->digest[4];
Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0);
Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0);
Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0);
Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0);
Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0);
Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0);
Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0);
Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0);
Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1);
Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1);
Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1);
Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1);
Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1);
Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1);
Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1);
Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1);
Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2);
Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2);
Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2);
Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2);
Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2);
Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2);
Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2);
Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2);
Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3);
Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3);
Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3);
Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3);
Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3);
Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3);
Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3);
Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3);
Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4);
Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4);
Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4);
Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4);
Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4);
Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4);
Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4);
Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4);
Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5);
Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5);
Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5);
Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5);
Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5);
Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5);
Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5);
Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5);
Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6);
Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6);
Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6);
Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6);
Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6);
Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6);
Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6);
Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6);
Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7);
Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7);
Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7);
Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7);
Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7);
Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7);
Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7);
Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7);
Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8);
Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8);
Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8);
Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8);
Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8);
Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8);
Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8);
Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8);
Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9);
Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9);
Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9);
Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9);
Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9);
Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9);
Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9);
Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9);
Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
c1 = ripemd->digest[1] + c1 + d2;
ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
ripemd->digest[0] = c1;
}
static INLINE void AddLength(RipeMd* ripemd, word32 len)
{
word32 tmp = ripemd->loLen;
if ( (ripemd->loLen += len) < tmp)
ripemd->hiLen++; /* carry low to high */
}
void wc_RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
{
/* do block size increments */
byte* local = (byte*)ripemd->buffer;
while (len) {
word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
XMEMCPY(&local[ripemd->buffLen], data, add);
ripemd->buffLen += add;
data += add;
len -= add;
if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
#ifdef BIG_ENDIAN_ORDER
ByteReverseWords(ripemd->buffer, ripemd->buffer,
RIPEMD_BLOCK_SIZE);
#endif
Transform(ripemd);
AddLength(ripemd, RIPEMD_BLOCK_SIZE);
ripemd->buffLen = 0;
}
}
}
void wc_RipeMdFinal(RipeMd* ripemd, byte* hash)
{
byte* local = (byte*)ripemd->buffer;
AddLength(ripemd, ripemd->buffLen); /* before adding pads */
local[ripemd->buffLen++] = 0x80; /* add 1 */
/* pad with zeros */
if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
#ifdef BIG_ENDIAN_ORDER
ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
#endif
Transform(ripemd);
ripemd->buffLen = 0;
}
XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
/* put lengths in bits */
ripemd->loLen = ripemd->loLen << 3;
ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) +
(ripemd->hiLen << 3);
/* store lengths */
#ifdef BIG_ENDIAN_ORDER
ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
#endif
/* ! length ordering dependent on digest endian type ! */
XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen,
sizeof(word32));
Transform(ripemd);
#ifdef BIG_ENDIAN_ORDER
ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
#endif
XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
wc_InitRipeMd(ripemd); /* reset state */
}
#endif /* WOLFSSL_RIPEMD */
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