369 lines
12 KiB
C
369 lines
12 KiB
C
/**
|
|
* @file sha512.c
|
|
* @version $Format:%h%d$
|
|
*
|
|
* SHA256 hash implementation.
|
|
*/
|
|
/*
|
|
* Copyright (c) 2013-2017 Rambus Inc.
|
|
* Copyright (c) PeerSec Networks, 2002-2011
|
|
* All Rights Reserved
|
|
*
|
|
* The latest version of this code is available at http://www.matrixssl.org
|
|
*
|
|
* This software is open source; 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.
|
|
*
|
|
* This General Public License does NOT permit incorporating this software
|
|
* into proprietary programs. If you are unable to comply with the GPL, a
|
|
* commercial license for this software may be purchased from Rambus at
|
|
* http://www.rambus.com/
|
|
*
|
|
* This program is distributed in 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
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*/
|
|
/******************************************************************************/
|
|
|
|
#include "../cryptoImpl.h"
|
|
|
|
#if defined(USE_MATRIX_SHA384) || defined(USE_MATRIX_SHA512)
|
|
|
|
# ifndef HAVE_NATIVE_INT64
|
|
# error Must have NATIVE_INT64 support
|
|
# endif
|
|
|
|
/******************************************************************************/
|
|
|
|
/* the K array */
|
|
static const uint64_t K[80] = {
|
|
CONST64(0x428a2f98d728ae22), CONST64(0x7137449123ef65cd),
|
|
CONST64(0xb5c0fbcfec4d3b2f), CONST64(0xe9b5dba58189dbbc),
|
|
CONST64(0x3956c25bf348b538), CONST64(0x59f111f1b605d019),
|
|
CONST64(0x923f82a4af194f9b), CONST64(0xab1c5ed5da6d8118),
|
|
CONST64(0xd807aa98a3030242), CONST64(0x12835b0145706fbe),
|
|
CONST64(0x243185be4ee4b28c), CONST64(0x550c7dc3d5ffb4e2),
|
|
CONST64(0x72be5d74f27b896f), CONST64(0x80deb1fe3b1696b1),
|
|
CONST64(0x9bdc06a725c71235), CONST64(0xc19bf174cf692694),
|
|
CONST64(0xe49b69c19ef14ad2), CONST64(0xefbe4786384f25e3),
|
|
CONST64(0x0fc19dc68b8cd5b5), CONST64(0x240ca1cc77ac9c65),
|
|
CONST64(0x2de92c6f592b0275), CONST64(0x4a7484aa6ea6e483),
|
|
CONST64(0x5cb0a9dcbd41fbd4), CONST64(0x76f988da831153b5),
|
|
CONST64(0x983e5152ee66dfab), CONST64(0xa831c66d2db43210),
|
|
CONST64(0xb00327c898fb213f), CONST64(0xbf597fc7beef0ee4),
|
|
CONST64(0xc6e00bf33da88fc2), CONST64(0xd5a79147930aa725),
|
|
CONST64(0x06ca6351e003826f), CONST64(0x142929670a0e6e70),
|
|
CONST64(0x27b70a8546d22ffc), CONST64(0x2e1b21385c26c926),
|
|
CONST64(0x4d2c6dfc5ac42aed), CONST64(0x53380d139d95b3df),
|
|
CONST64(0x650a73548baf63de), CONST64(0x766a0abb3c77b2a8),
|
|
CONST64(0x81c2c92e47edaee6), CONST64(0x92722c851482353b),
|
|
CONST64(0xa2bfe8a14cf10364), CONST64(0xa81a664bbc423001),
|
|
CONST64(0xc24b8b70d0f89791), CONST64(0xc76c51a30654be30),
|
|
CONST64(0xd192e819d6ef5218), CONST64(0xd69906245565a910),
|
|
CONST64(0xf40e35855771202a), CONST64(0x106aa07032bbd1b8),
|
|
CONST64(0x19a4c116b8d2d0c8), CONST64(0x1e376c085141ab53),
|
|
CONST64(0x2748774cdf8eeb99), CONST64(0x34b0bcb5e19b48a8),
|
|
CONST64(0x391c0cb3c5c95a63), CONST64(0x4ed8aa4ae3418acb),
|
|
CONST64(0x5b9cca4f7763e373), CONST64(0x682e6ff3d6b2b8a3),
|
|
CONST64(0x748f82ee5defb2fc), CONST64(0x78a5636f43172f60),
|
|
CONST64(0x84c87814a1f0ab72), CONST64(0x8cc702081a6439ec),
|
|
CONST64(0x90befffa23631e28), CONST64(0xa4506cebde82bde9),
|
|
CONST64(0xbef9a3f7b2c67915), CONST64(0xc67178f2e372532b),
|
|
CONST64(0xca273eceea26619c), CONST64(0xd186b8c721c0c207),
|
|
CONST64(0xeada7dd6cde0eb1e), CONST64(0xf57d4f7fee6ed178),
|
|
CONST64(0x06f067aa72176fba), CONST64(0x0a637dc5a2c898a6),
|
|
CONST64(0x113f9804bef90dae), CONST64(0x1b710b35131c471b),
|
|
CONST64(0x28db77f523047d84), CONST64(0x32caab7b40c72493),
|
|
CONST64(0x3c9ebe0a15c9bebc), CONST64(0x431d67c49c100d4c),
|
|
CONST64(0x4cc5d4becb3e42b6), CONST64(0x597f299cfc657e2a),
|
|
CONST64(0x5fcb6fab3ad6faec), CONST64(0x6c44198c4a475817)
|
|
};
|
|
|
|
/* Various logical functions */
|
|
# define Ch(x, y, z) (z ^ (x & (y ^ z)))
|
|
# define Maj(x, y, z) (((x | y) & z) | (x & y))
|
|
# define S(x, n) ROR64c(x, n)
|
|
# define R(x, n) (((x) & CONST64(0xFFFFFFFFFFFFFFFF)) >> ((uint64) n))
|
|
# define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39))
|
|
# define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41))
|
|
# define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7))
|
|
# define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6))
|
|
|
|
/* compress 1024-bits */
|
|
# ifdef USE_BURN_STACK
|
|
static void _sha512_compress(psSha512_t *sha512, const unsigned char *buf)
|
|
# else
|
|
static void sha512_compress(psSha512_t *sha512, const unsigned char *buf)
|
|
# endif
|
|
{
|
|
uint64 S[8], W[80], t0, t1;
|
|
int i;
|
|
|
|
/* copy state into S */
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
S[i] = sha512->state[i];
|
|
}
|
|
|
|
/* copy the state into 1024-bits into W[0..15] */
|
|
for (i = 0; i < 16; i++)
|
|
{
|
|
LOAD64H(W[i], buf + (8 * i));
|
|
}
|
|
|
|
/* fill W[16..79] */
|
|
for (i = 16; i < 80; i++)
|
|
{
|
|
W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
|
|
}
|
|
|
|
/* Compress */
|
|
# ifndef PS_SHA512_IMPROVE_PERF_INCREASE_CODESIZE
|
|
for (i = 0; i < 80; i++)
|
|
{
|
|
t0 = S[7] + Sigma1(S[4]) + Ch(S[4], S[5], S[6]) + K[i] + W[i];
|
|
t1 = Sigma0(S[0]) + Maj(S[0], S[1], S[2]);
|
|
S[7] = S[6];
|
|
S[6] = S[5];
|
|
S[5] = S[4];
|
|
S[4] = S[3] + t0;
|
|
S[3] = S[2];
|
|
S[2] = S[1];
|
|
S[1] = S[0];
|
|
S[0] = t0 + t1;
|
|
}
|
|
# else
|
|
# define RND(a, b, c, d, e, f, g, h, i) \
|
|
t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
|
|
t1 = Sigma0(a) + Maj(a, b, c); \
|
|
d += t0; \
|
|
h = t0 + t1;
|
|
|
|
for (i = 0; i < 80; i += 8)
|
|
{
|
|
RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i + 0);
|
|
RND(S[7], S[0], S[1], S[2], S[3], S[4], S[5], S[6], i + 1);
|
|
RND(S[6], S[7], S[0], S[1], S[2], S[3], S[4], S[5], i + 2);
|
|
RND(S[5], S[6], S[7], S[0], S[1], S[2], S[3], S[4], i + 3);
|
|
RND(S[4], S[5], S[6], S[7], S[0], S[1], S[2], S[3], i + 4);
|
|
RND(S[3], S[4], S[5], S[6], S[7], S[0], S[1], S[2], i + 5);
|
|
RND(S[2], S[3], S[4], S[5], S[6], S[7], S[0], S[1], i + 6);
|
|
RND(S[1], S[2], S[3], S[4], S[5], S[6], S[7], S[0], i + 7);
|
|
}
|
|
# endif /* PS_SHA512_IMPROVE_PERF_INCREASE_CODESIZE */
|
|
|
|
/* feedback */
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
sha512->state[i] = sha512->state[i] + S[i];
|
|
}
|
|
}
|
|
|
|
/* compress 1024-bits */
|
|
# ifdef USE_BURN_STACK
|
|
static void sha512_compress(psSha512_t *sha512, const unsigned char *buf)
|
|
{
|
|
_sha512_compress(sha512, buf);
|
|
psBurnStack(sizeof(uint64) * 90 + sizeof(int));
|
|
}
|
|
# endif
|
|
|
|
/******************************************************************************/
|
|
# ifdef USE_MATRIX_SHA512
|
|
/* Other 512 functions are used by 384 */
|
|
int32_t psSha512Init(psSha512_t *sha512)
|
|
{
|
|
# ifdef CRYPTO_ASSERT
|
|
psAssert(sha512 != NULL);
|
|
# endif
|
|
sha512->curlen = 0;
|
|
sha512->length = 0;
|
|
sha512->state[0] = CONST64(0x6a09e667f3bcc908);
|
|
sha512->state[1] = CONST64(0xbb67ae8584caa73b);
|
|
sha512->state[2] = CONST64(0x3c6ef372fe94f82b);
|
|
sha512->state[3] = CONST64(0xa54ff53a5f1d36f1);
|
|
sha512->state[4] = CONST64(0x510e527fade682d1);
|
|
sha512->state[5] = CONST64(0x9b05688c2b3e6c1f);
|
|
sha512->state[6] = CONST64(0x1f83d9abfb41bd6b);
|
|
sha512->state[7] = CONST64(0x5be0cd19137e2179);
|
|
return PS_SUCCESS;
|
|
}
|
|
# endif
|
|
/******************************************************************************/
|
|
|
|
# ifdef USE_MATRIX_SHA512
|
|
void psSha512Update(psSha512_t *sha512, const unsigned char *buf, uint32_t len)
|
|
# else
|
|
static void psSha512Update(psSha512_t *sha512, const unsigned char *buf, uint32_t len)
|
|
# endif
|
|
{
|
|
uint32_t n;
|
|
|
|
psAssert(sha512 != NULL);
|
|
psAssert(len == 0 || buf != NULL);
|
|
|
|
while (len > 0)
|
|
{
|
|
if (sha512->curlen == 0 && len >= 128)
|
|
{
|
|
sha512_compress(sha512, (unsigned char *) buf);
|
|
sha512->length += 1024;
|
|
buf += 128;
|
|
len -= 128;
|
|
}
|
|
else
|
|
{
|
|
n = min(len, (128 - sha512->curlen));
|
|
Memcpy(sha512->buf + sha512->curlen, buf, (size_t) n);
|
|
sha512->curlen += n;
|
|
buf += n;
|
|
len -= n;
|
|
|
|
if (sha512->curlen == 128)
|
|
{
|
|
sha512_compress(sha512, sha512->buf);
|
|
sha512->length += 1024;
|
|
sha512->curlen = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
# ifdef USE_MATRIX_SHA512
|
|
void psSha512Final(psSha512_t *sha512, unsigned char out[SHA512_HASHLEN])
|
|
# else
|
|
static void psSha512Final(psSha512_t *sha512, unsigned char out[SHA512_HASHLEN])
|
|
# endif
|
|
{
|
|
int i;
|
|
|
|
# ifdef CRYPTO_ASSERT
|
|
psAssert(sha512 != NULL);
|
|
psAssert(out != NULL);
|
|
if (sha512->curlen >= sizeof(sha512->buf))
|
|
{
|
|
return;
|
|
}
|
|
# endif
|
|
/* increase the length of the message */
|
|
sha512->length += sha512->curlen * CONST64(8);
|
|
|
|
/* append the '1' bit */
|
|
sha512->buf[sha512->curlen++] = (unsigned char) 0x80;
|
|
|
|
/* if the length is currently above 112 bytes we append zeros
|
|
* then compress. Then we can fall back to padding zeros and length
|
|
* encoding like normal.
|
|
*/
|
|
if (sha512->curlen > 112)
|
|
{
|
|
while (sha512->curlen < 128)
|
|
{
|
|
sha512->buf[sha512->curlen++] = (unsigned char) 0;
|
|
}
|
|
sha512_compress(sha512, sha512->buf);
|
|
sha512->curlen = 0;
|
|
}
|
|
|
|
/* pad upto 120 bytes of zeroes
|
|
@note from 112 to 120 is the 64 MSB of the length.
|
|
We assume that you won't hash > 2^64 bits of data... :-)
|
|
*/
|
|
while (sha512->curlen < 120)
|
|
{
|
|
sha512->buf[sha512->curlen++] = (unsigned char) 0;
|
|
}
|
|
|
|
/* store length */
|
|
STORE64H(sha512->length, sha512->buf + 120);
|
|
sha512_compress(sha512, sha512->buf);
|
|
|
|
/* copy output */
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
STORE64H(sha512->state[i], out + (8 * i));
|
|
}
|
|
# ifdef USE_BURN_STACK
|
|
psBurnStack(sizeof(psSha512_t));
|
|
# endif
|
|
}
|
|
|
|
# ifdef USE_MATRIX_SHA512
|
|
void psSha512Single(const unsigned char *in,
|
|
uint32_t inLen,
|
|
unsigned char out[SHA512_HASHLEN])
|
|
{
|
|
psSha512_t md;
|
|
|
|
psSha512PreInit(&md);
|
|
psSha512Init(&md);
|
|
psSha512Update(&md, in, inLen);
|
|
psSha512Final(&md, out);
|
|
}
|
|
# endif /* USE_MATRIX_SHA512 */
|
|
|
|
# ifdef USE_MATRIX_SHA384
|
|
/******************************************************************************/
|
|
|
|
int32_t psSha384Init(psSha384_t *sha384)
|
|
{
|
|
# ifdef CRYPTO_ASSERT
|
|
psAssert(sha384 != NULL);
|
|
# endif
|
|
sha384->curlen = 0;
|
|
sha384->length = 0;
|
|
sha384->state[0] = CONST64(0xcbbb9d5dc1059ed8);
|
|
sha384->state[1] = CONST64(0x629a292a367cd507);
|
|
sha384->state[2] = CONST64(0x9159015a3070dd17);
|
|
sha384->state[3] = CONST64(0x152fecd8f70e5939);
|
|
sha384->state[4] = CONST64(0x67332667ffc00b31);
|
|
sha384->state[5] = CONST64(0x8eb44a8768581511);
|
|
sha384->state[6] = CONST64(0xdb0c2e0d64f98fa7);
|
|
sha384->state[7] = CONST64(0x47b5481dbefa4fa4);
|
|
return PS_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
void psSha384Update(psSha384_t *sha384, const unsigned char *buf, uint32_t len)
|
|
{
|
|
psSha512Update(sha384, buf, len);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
void psSha384Final(psSha384_t *sha384, unsigned char out[SHA384_HASHLEN])
|
|
{
|
|
unsigned char buf[SHA512_HASHLEN];
|
|
|
|
# ifdef CRYPTO_ASSERT
|
|
psAssert(sha384 != NULL);
|
|
psAssert(out != NULL);
|
|
if (sha384->curlen >= sizeof(sha384->buf))
|
|
{
|
|
return;
|
|
}
|
|
# endif
|
|
psSha512Final(sha384, buf);
|
|
Memcpy(out, buf, SHA384_HASHLEN);
|
|
# ifdef USE_BURN_STACK
|
|
psBurnStack(sizeof(buf));
|
|
# endif
|
|
}
|
|
|
|
# endif /* USE_MATRIX_SHA384 */
|
|
|
|
#endif /* USE_MATRIX_SHA384 || USE_MATRIX_SHA512 */
|
|
|
|
/******************************************************************************/
|
|
|