diff options
Diffstat (limited to 'release/src/router/cyassl/ctaocrypt/src/ripemd.c')
| -rw-r--r-- | release/src/router/cyassl/ctaocrypt/src/ripemd.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/release/src/router/cyassl/ctaocrypt/src/ripemd.c b/release/src/router/cyassl/ctaocrypt/src/ripemd.c new file mode 100644 index 00000000..ae0fab32 --- /dev/null +++ b/release/src/router/cyassl/ctaocrypt/src/ripemd.c @@ -0,0 +1,347 @@ +/* ripemd.c + * + * Copyright (C) 2006-2011 Sawtooth Consulting Ltd. + * + * This file is part of CyaSSL. + * + * CyaSSL 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. + * + * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + + +#ifdef CYASSL_RIPEMD + +#include "ctc_ripemd.h" +#ifdef NO_INLINE + #include "misc.h" +#else + #include "misc.c" +#endif + + +#ifndef min + + static INLINE word32 min(word32 a, word32 b) + { + return a > b ? b : a; + } + +#endif /* min */ + + +void 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 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 + ByteReverseBytes(local, local, RIPEMD_BLOCK_SIZE); + #endif + Transform(ripemd); + AddLength(ripemd, RIPEMD_BLOCK_SIZE); + ripemd->buffLen = 0; + } + } +} + + +void 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 + ByteReverseBytes(local, local, 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 + ByteReverseBytes(local, local, 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); + + InitRipeMd(ripemd); /* reset state */ +} + + +#endif /* CYASSL_RIPEMD */ |