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https://github.com/trezor/trezor-firmware.git
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adopt ripemd160 from mbedtls
This commit is contained in:
Pavol Rusnak
parent
bb52cb4ac9
commit
86d6a0b782
604
ripemd160.c
604
ripemd160.c
@ -1,303 +1,339 @@
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#include <string.h>
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/*
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* RIPE MD-160 implementation
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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/*
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* The RIPEMD-160 algorithm was designed by RIPE in 1996
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* http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
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* http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
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*/
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#include "ripemd160.h"
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#include <string.h>
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#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/*
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* 32-bit integer manipulation macros (little endian)
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*/
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#ifndef GET_UINT32_LE
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#define GET_UINT32_LE(n,b,i) \
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{ \
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(n) = ( (uint32_t) (b)[(i) ] ) \
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| ( (uint32_t) (b)[(i) + 1] << 8 ) \
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| ( (uint32_t) (b)[(i) + 2] << 16 ) \
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| ( (uint32_t) (b)[(i) + 3] << 24 ); \
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}
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#endif
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#define F(x, y, z) ((x) ^ (y) ^ (z))
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#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
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#define H(x, y, z) (((x) | ~(y)) ^ (z))
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#define IQ(x, y, z) (((x) & (z)) | ((y) & ~(z)))
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#define J(x, y, z) ((x) ^ ((y) | ~(z)))
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#ifndef PUT_UINT32_LE
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#define PUT_UINT32_LE(n,b,i) \
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{ \
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(b)[(i) ] = (uint8_t) ( ( (n) ) & 0xFF ); \
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(b)[(i) + 1] = (uint8_t) ( ( (n) >> 8 ) & 0xFF ); \
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(b)[(i) + 2] = (uint8_t) ( ( (n) >> 16 ) & 0xFF ); \
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(b)[(i) + 3] = (uint8_t) ( ( (n) >> 24 ) & 0xFF ); \
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}
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#endif
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#define FF(a, b, c, d, e, x, s) {\
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(a) += F((b), (c), (d)) + (x);\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define GG(a, b, c, d, e, x, s) {\
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(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define HH(a, b, c, d, e, x, s) {\
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(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define II(a, b, c, d, e, x, s) {\
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(a) += IQ((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define JJ(a, b, c, d, e, x, s) {\
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(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define FFF(a, b, c, d, e, x, s) {\
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(a) += F((b), (c), (d)) + (x);\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define GGG(a, b, c, d, e, x, s) {\
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(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define HHH(a, b, c, d, e, x, s) {\
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(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define III(a, b, c, d, e, x, s) {\
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(a) += IQ((b), (c), (d)) + (x) + 0x5c4dd124UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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#define JJJ(a, b, c, d, e, x, s) {\
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(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);\
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}
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static void compress(uint32_t *MDbuf, uint32_t *X)
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/*
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* RIPEMD-160 context setup
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*/
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void ripemd160_init(RIPEMD160_CTX *ctx)
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{
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uint32_t aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2], dd = MDbuf[3], ee = MDbuf[4];
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uint32_t aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2], ddd = MDbuf[3], eee = MDbuf[4];
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/* round 1 */
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FF(aa, bb, cc, dd, ee, X[ 0], 11);
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FF(ee, aa, bb, cc, dd, X[ 1], 14);
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FF(dd, ee, aa, bb, cc, X[ 2], 15);
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FF(cc, dd, ee, aa, bb, X[ 3], 12);
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FF(bb, cc, dd, ee, aa, X[ 4], 5);
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FF(aa, bb, cc, dd, ee, X[ 5], 8);
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FF(ee, aa, bb, cc, dd, X[ 6], 7);
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FF(dd, ee, aa, bb, cc, X[ 7], 9);
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FF(cc, dd, ee, aa, bb, X[ 8], 11);
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FF(bb, cc, dd, ee, aa, X[ 9], 13);
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FF(aa, bb, cc, dd, ee, X[10], 14);
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FF(ee, aa, bb, cc, dd, X[11], 15);
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FF(dd, ee, aa, bb, cc, X[12], 6);
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FF(cc, dd, ee, aa, bb, X[13], 7);
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FF(bb, cc, dd, ee, aa, X[14], 9);
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FF(aa, bb, cc, dd, ee, X[15], 8);
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/* round 2 */
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GG(ee, aa, bb, cc, dd, X[ 7], 7);
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GG(dd, ee, aa, bb, cc, X[ 4], 6);
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GG(cc, dd, ee, aa, bb, X[13], 8);
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GG(bb, cc, dd, ee, aa, X[ 1], 13);
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GG(aa, bb, cc, dd, ee, X[10], 11);
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GG(ee, aa, bb, cc, dd, X[ 6], 9);
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GG(dd, ee, aa, bb, cc, X[15], 7);
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GG(cc, dd, ee, aa, bb, X[ 3], 15);
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GG(bb, cc, dd, ee, aa, X[12], 7);
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GG(aa, bb, cc, dd, ee, X[ 0], 12);
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GG(ee, aa, bb, cc, dd, X[ 9], 15);
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GG(dd, ee, aa, bb, cc, X[ 5], 9);
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GG(cc, dd, ee, aa, bb, X[ 2], 11);
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GG(bb, cc, dd, ee, aa, X[14], 7);
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GG(aa, bb, cc, dd, ee, X[11], 13);
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GG(ee, aa, bb, cc, dd, X[ 8], 12);
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/* round 3 */
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HH(dd, ee, aa, bb, cc, X[ 3], 11);
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HH(cc, dd, ee, aa, bb, X[10], 13);
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HH(bb, cc, dd, ee, aa, X[14], 6);
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HH(aa, bb, cc, dd, ee, X[ 4], 7);
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HH(ee, aa, bb, cc, dd, X[ 9], 14);
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HH(dd, ee, aa, bb, cc, X[15], 9);
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HH(cc, dd, ee, aa, bb, X[ 8], 13);
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HH(bb, cc, dd, ee, aa, X[ 1], 15);
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HH(aa, bb, cc, dd, ee, X[ 2], 14);
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HH(ee, aa, bb, cc, dd, X[ 7], 8);
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HH(dd, ee, aa, bb, cc, X[ 0], 13);
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HH(cc, dd, ee, aa, bb, X[ 6], 6);
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HH(bb, cc, dd, ee, aa, X[13], 5);
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HH(aa, bb, cc, dd, ee, X[11], 12);
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HH(ee, aa, bb, cc, dd, X[ 5], 7);
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HH(dd, ee, aa, bb, cc, X[12], 5);
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/* round 4 */
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II(cc, dd, ee, aa, bb, X[ 1], 11);
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II(bb, cc, dd, ee, aa, X[ 9], 12);
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II(aa, bb, cc, dd, ee, X[11], 14);
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II(ee, aa, bb, cc, dd, X[10], 15);
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II(dd, ee, aa, bb, cc, X[ 0], 14);
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II(cc, dd, ee, aa, bb, X[ 8], 15);
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II(bb, cc, dd, ee, aa, X[12], 9);
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II(aa, bb, cc, dd, ee, X[ 4], 8);
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II(ee, aa, bb, cc, dd, X[13], 9);
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II(dd, ee, aa, bb, cc, X[ 3], 14);
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II(cc, dd, ee, aa, bb, X[ 7], 5);
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II(bb, cc, dd, ee, aa, X[15], 6);
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II(aa, bb, cc, dd, ee, X[14], 8);
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II(ee, aa, bb, cc, dd, X[ 5], 6);
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II(dd, ee, aa, bb, cc, X[ 6], 5);
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II(cc, dd, ee, aa, bb, X[ 2], 12);
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/* round 5 */
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JJ(bb, cc, dd, ee, aa, X[ 4], 9);
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JJ(aa, bb, cc, dd, ee, X[ 0], 15);
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JJ(ee, aa, bb, cc, dd, X[ 5], 5);
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JJ(dd, ee, aa, bb, cc, X[ 9], 11);
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JJ(cc, dd, ee, aa, bb, X[ 7], 6);
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JJ(bb, cc, dd, ee, aa, X[12], 8);
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JJ(aa, bb, cc, dd, ee, X[ 2], 13);
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JJ(ee, aa, bb, cc, dd, X[10], 12);
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JJ(dd, ee, aa, bb, cc, X[14], 5);
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JJ(cc, dd, ee, aa, bb, X[ 1], 12);
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JJ(bb, cc, dd, ee, aa, X[ 3], 13);
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JJ(aa, bb, cc, dd, ee, X[ 8], 14);
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JJ(ee, aa, bb, cc, dd, X[11], 11);
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JJ(dd, ee, aa, bb, cc, X[ 6], 8);
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JJ(cc, dd, ee, aa, bb, X[15], 5);
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JJ(bb, cc, dd, ee, aa, X[13], 6);
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/* parallel round 1 */
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
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JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
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JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
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JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
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JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
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JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
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JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
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/* parallel round 2 */
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III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
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III(ddd, eee, aaa, bbb, ccc, X[11], 13);
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III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
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III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
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III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
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III(eee, aaa, bbb, ccc, ddd, X[13], 8);
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III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
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III(ccc, ddd, eee, aaa, bbb, X[10], 11);
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III(bbb, ccc, ddd, eee, aaa, X[14], 7);
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III(aaa, bbb, ccc, ddd, eee, X[15], 7);
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III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
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III(ddd, eee, aaa, bbb, ccc, X[12], 7);
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III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
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III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
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III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
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III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
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/* parallel round 3 */
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HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
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HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
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HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
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HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
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HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
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HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
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/* parallel round 4 */
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GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
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GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
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GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
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GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
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GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
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GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
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GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
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GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
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GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
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GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
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/* parallel round 5 */
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FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
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FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
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FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
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FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
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FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
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FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
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FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
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/* combine results */
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ddd += cc + MDbuf[1];
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MDbuf[1] = MDbuf[2] + dd + eee;
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MDbuf[2] = MDbuf[3] + ee + aaa;
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MDbuf[3] = MDbuf[4] + aa + bbb;
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MDbuf[4] = MDbuf[0] + bb + ccc;
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MDbuf[0] = ddd;
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memset(ctx, 0, sizeof(RIPEMD160_CTX));
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ctx->total[0] = 0;
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ctx->total[1] = 0;
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ctx->state[0] = 0x67452301;
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ctx->state[1] = 0xEFCDAB89;
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ctx->state[2] = 0x98BADCFE;
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ctx->state[3] = 0x10325476;
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ctx->state[4] = 0xC3D2E1F0;
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}
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void ripemd160(const uint8_t *msg, uint32_t msg_len, uint8_t *hash)
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#if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
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/*
|
||||
* Process one block
|
||||
*/
|
||||
void ripemd160_process( RIPEMD160_CTX *ctx, const uint8_t data[64] )
|
||||
{
|
||||
uint32_t i;
|
||||
int j;
|
||||
uint32_t digest[5] = {0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0UL};
|
||||
uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
|
||||
|
||||
for (i = 0; i < (msg_len >> 6); ++i) {
|
||||
uint32_t chunk[16];
|
||||
GET_UINT32_LE( X[ 0], data, 0 );
|
||||
GET_UINT32_LE( X[ 1], data, 4 );
|
||||
GET_UINT32_LE( X[ 2], data, 8 );
|
||||
GET_UINT32_LE( X[ 3], data, 12 );
|
||||
GET_UINT32_LE( X[ 4], data, 16 );
|
||||
GET_UINT32_LE( X[ 5], data, 20 );
|
||||
GET_UINT32_LE( X[ 6], data, 24 );
|
||||
GET_UINT32_LE( X[ 7], data, 28 );
|
||||
GET_UINT32_LE( X[ 8], data, 32 );
|
||||
GET_UINT32_LE( X[ 9], data, 36 );
|
||||
GET_UINT32_LE( X[10], data, 40 );
|
||||
GET_UINT32_LE( X[11], data, 44 );
|
||||
GET_UINT32_LE( X[12], data, 48 );
|
||||
GET_UINT32_LE( X[13], data, 52 );
|
||||
GET_UINT32_LE( X[14], data, 56 );
|
||||
GET_UINT32_LE( X[15], data, 60 );
|
||||
|
||||
for (j = 0; j < 16; ++j) {
|
||||
chunk[j] = (uint32_t)(*(msg++));
|
||||
chunk[j] |= (uint32_t)(*(msg++)) << 8;
|
||||
chunk[j] |= (uint32_t)(*(msg++)) << 16;
|
||||
chunk[j] |= (uint32_t)(*(msg++)) << 24;
|
||||
}
|
||||
A = Ap = ctx->state[0];
|
||||
B = Bp = ctx->state[1];
|
||||
C = Cp = ctx->state[2];
|
||||
D = Dp = ctx->state[3];
|
||||
E = Ep = ctx->state[4];
|
||||
|
||||
compress (digest, chunk);
|
||||
}
|
||||
#define F1( x, y, z ) ( x ^ y ^ z )
|
||||
#define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
|
||||
#define F3( x, y, z ) ( ( x | ~y ) ^ z )
|
||||
#define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
|
||||
#define F5( x, y, z ) ( x ^ ( y | ~z ) )
|
||||
|
||||
// Last chunk
|
||||
{
|
||||
uint32_t chunk[16] = {0};
|
||||
#define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
|
||||
|
||||
for (i = 0; i < (msg_len & 63); ++i) {
|
||||
chunk[i >> 2] ^= (uint32_t) *msg++ << ((i&3) << 3);
|
||||
}
|
||||
#define P( a, b, c, d, e, r, s, f, k ) \
|
||||
a += f( b, c, d ) + X[r] + k; \
|
||||
a = S( a, s ) + e; \
|
||||
c = S( c, 10 );
|
||||
|
||||
chunk[(msg_len >> 2)&15] ^= (uint32_t)1 << (8*(msg_len&3) + 7);
|
||||
#define P2( a, b, c, d, e, r, s, rp, sp ) \
|
||||
P( a, b, c, d, e, r, s, F, K ); \
|
||||
P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
|
||||
|
||||
if ((msg_len & 63) > 55) {
|
||||
compress (digest, chunk);
|
||||
memset (chunk, 0, 64);
|
||||
}
|
||||
#define F F1
|
||||
#define K 0x00000000
|
||||
#define Fp F5
|
||||
#define Kp 0x50A28BE6
|
||||
P2( A, B, C, D, E, 0, 11, 5, 8 );
|
||||
P2( E, A, B, C, D, 1, 14, 14, 9 );
|
||||
P2( D, E, A, B, C, 2, 15, 7, 9 );
|
||||
P2( C, D, E, A, B, 3, 12, 0, 11 );
|
||||
P2( B, C, D, E, A, 4, 5, 9, 13 );
|
||||
P2( A, B, C, D, E, 5, 8, 2, 15 );
|
||||
P2( E, A, B, C, D, 6, 7, 11, 15 );
|
||||
P2( D, E, A, B, C, 7, 9, 4, 5 );
|
||||
P2( C, D, E, A, B, 8, 11, 13, 7 );
|
||||
P2( B, C, D, E, A, 9, 13, 6, 7 );
|
||||
P2( A, B, C, D, E, 10, 14, 15, 8 );
|
||||
P2( E, A, B, C, D, 11, 15, 8, 11 );
|
||||
P2( D, E, A, B, C, 12, 6, 1, 14 );
|
||||
P2( C, D, E, A, B, 13, 7, 10, 14 );
|
||||
P2( B, C, D, E, A, 14, 9, 3, 12 );
|
||||
P2( A, B, C, D, E, 15, 8, 12, 6 );
|
||||
#undef F
|
||||
#undef K
|
||||
#undef Fp
|
||||
#undef Kp
|
||||
|
||||
chunk[14] = msg_len << 3;
|
||||
chunk[15] = (msg_len >> 29);
|
||||
compress (digest, chunk);
|
||||
}
|
||||
#define F F2
|
||||
#define K 0x5A827999
|
||||
#define Fp F4
|
||||
#define Kp 0x5C4DD124
|
||||
P2( E, A, B, C, D, 7, 7, 6, 9 );
|
||||
P2( D, E, A, B, C, 4, 6, 11, 13 );
|
||||
P2( C, D, E, A, B, 13, 8, 3, 15 );
|
||||
P2( B, C, D, E, A, 1, 13, 7, 7 );
|
||||
P2( A, B, C, D, E, 10, 11, 0, 12 );
|
||||
P2( E, A, B, C, D, 6, 9, 13, 8 );
|
||||
P2( D, E, A, B, C, 15, 7, 5, 9 );
|
||||
P2( C, D, E, A, B, 3, 15, 10, 11 );
|
||||
P2( B, C, D, E, A, 12, 7, 14, 7 );
|
||||
P2( A, B, C, D, E, 0, 12, 15, 7 );
|
||||
P2( E, A, B, C, D, 9, 15, 8, 12 );
|
||||
P2( D, E, A, B, C, 5, 9, 12, 7 );
|
||||
P2( C, D, E, A, B, 2, 11, 4, 6 );
|
||||
P2( B, C, D, E, A, 14, 7, 9, 15 );
|
||||
P2( A, B, C, D, E, 11, 13, 1, 13 );
|
||||
P2( E, A, B, C, D, 8, 12, 2, 11 );
|
||||
#undef F
|
||||
#undef K
|
||||
#undef Fp
|
||||
#undef Kp
|
||||
|
||||
for (i = 0; i < 5; ++i) {
|
||||
*(hash++) = digest[i];
|
||||
*(hash++) = digest[i] >> 8;
|
||||
*(hash++) = digest[i] >> 16;
|
||||
*(hash++) = digest[i] >> 24;
|
||||
}
|
||||
#define F F3
|
||||
#define K 0x6ED9EBA1
|
||||
#define Fp F3
|
||||
#define Kp 0x6D703EF3
|
||||
P2( D, E, A, B, C, 3, 11, 15, 9 );
|
||||
P2( C, D, E, A, B, 10, 13, 5, 7 );
|
||||
P2( B, C, D, E, A, 14, 6, 1, 15 );
|
||||
P2( A, B, C, D, E, 4, 7, 3, 11 );
|
||||
P2( E, A, B, C, D, 9, 14, 7, 8 );
|
||||
P2( D, E, A, B, C, 15, 9, 14, 6 );
|
||||
P2( C, D, E, A, B, 8, 13, 6, 6 );
|
||||
P2( B, C, D, E, A, 1, 15, 9, 14 );
|
||||
P2( A, B, C, D, E, 2, 14, 11, 12 );
|
||||
P2( E, A, B, C, D, 7, 8, 8, 13 );
|
||||
P2( D, E, A, B, C, 0, 13, 12, 5 );
|
||||
P2( C, D, E, A, B, 6, 6, 2, 14 );
|
||||
P2( B, C, D, E, A, 13, 5, 10, 13 );
|
||||
P2( A, B, C, D, E, 11, 12, 0, 13 );
|
||||
P2( E, A, B, C, D, 5, 7, 4, 7 );
|
||||
P2( D, E, A, B, C, 12, 5, 13, 5 );
|
||||
#undef F
|
||||
#undef K
|
||||
#undef Fp
|
||||
#undef Kp
|
||||
|
||||
#define F F4
|
||||
#define K 0x8F1BBCDC
|
||||
#define Fp F2
|
||||
#define Kp 0x7A6D76E9
|
||||
P2( C, D, E, A, B, 1, 11, 8, 15 );
|
||||
P2( B, C, D, E, A, 9, 12, 6, 5 );
|
||||
P2( A, B, C, D, E, 11, 14, 4, 8 );
|
||||
P2( E, A, B, C, D, 10, 15, 1, 11 );
|
||||
P2( D, E, A, B, C, 0, 14, 3, 14 );
|
||||
P2( C, D, E, A, B, 8, 15, 11, 14 );
|
||||
P2( B, C, D, E, A, 12, 9, 15, 6 );
|
||||
P2( A, B, C, D, E, 4, 8, 0, 14 );
|
||||
P2( E, A, B, C, D, 13, 9, 5, 6 );
|
||||
P2( D, E, A, B, C, 3, 14, 12, 9 );
|
||||
P2( C, D, E, A, B, 7, 5, 2, 12 );
|
||||
P2( B, C, D, E, A, 15, 6, 13, 9 );
|
||||
P2( A, B, C, D, E, 14, 8, 9, 12 );
|
||||
P2( E, A, B, C, D, 5, 6, 7, 5 );
|
||||
P2( D, E, A, B, C, 6, 5, 10, 15 );
|
||||
P2( C, D, E, A, B, 2, 12, 14, 8 );
|
||||
#undef F
|
||||
#undef K
|
||||
#undef Fp
|
||||
#undef Kp
|
||||
|
||||
#define F F5
|
||||
#define K 0xA953FD4E
|
||||
#define Fp F1
|
||||
#define Kp 0x00000000
|
||||
P2( B, C, D, E, A, 4, 9, 12, 8 );
|
||||
P2( A, B, C, D, E, 0, 15, 15, 5 );
|
||||
P2( E, A, B, C, D, 5, 5, 10, 12 );
|
||||
P2( D, E, A, B, C, 9, 11, 4, 9 );
|
||||
P2( C, D, E, A, B, 7, 6, 1, 12 );
|
||||
P2( B, C, D, E, A, 12, 8, 5, 5 );
|
||||
P2( A, B, C, D, E, 2, 13, 8, 14 );
|
||||
P2( E, A, B, C, D, 10, 12, 7, 6 );
|
||||
P2( D, E, A, B, C, 14, 5, 6, 8 );
|
||||
P2( C, D, E, A, B, 1, 12, 2, 13 );
|
||||
P2( B, C, D, E, A, 3, 13, 13, 6 );
|
||||
P2( A, B, C, D, E, 8, 14, 14, 5 );
|
||||
P2( E, A, B, C, D, 11, 11, 0, 15 );
|
||||
P2( D, E, A, B, C, 6, 8, 3, 13 );
|
||||
P2( C, D, E, A, B, 15, 5, 9, 11 );
|
||||
P2( B, C, D, E, A, 13, 6, 11, 11 );
|
||||
#undef F
|
||||
#undef K
|
||||
#undef Fp
|
||||
#undef Kp
|
||||
|
||||
C = ctx->state[1] + C + Dp;
|
||||
ctx->state[1] = ctx->state[2] + D + Ep;
|
||||
ctx->state[2] = ctx->state[3] + E + Ap;
|
||||
ctx->state[3] = ctx->state[4] + A + Bp;
|
||||
ctx->state[4] = ctx->state[0] + B + Cp;
|
||||
ctx->state[0] = C;
|
||||
}
|
||||
#endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
|
||||
|
||||
/*
|
||||
* RIPEMD-160 process buffer
|
||||
*/
|
||||
void ripemd160_update( RIPEMD160_CTX *ctx, const uint8_t *input, uint32_t ilen )
|
||||
{
|
||||
uint32_t fill;
|
||||
uint32_t left;
|
||||
|
||||
if( ilen == 0 )
|
||||
return;
|
||||
|
||||
left = ctx->total[0] & 0x3F;
|
||||
fill = 64 - left;
|
||||
|
||||
ctx->total[0] += (uint32_t) ilen;
|
||||
ctx->total[0] &= 0xFFFFFFFF;
|
||||
|
||||
if( ctx->total[0] < (uint32_t) ilen )
|
||||
ctx->total[1]++;
|
||||
|
||||
if( left && ilen >= fill )
|
||||
{
|
||||
memcpy( (void *) (ctx->buffer + left), input, fill );
|
||||
ripemd160_process( ctx, ctx->buffer );
|
||||
input += fill;
|
||||
ilen -= fill;
|
||||
left = 0;
|
||||
}
|
||||
|
||||
while( ilen >= 64 )
|
||||
{
|
||||
ripemd160_process( ctx, input );
|
||||
input += 64;
|
||||
ilen -= 64;
|
||||
}
|
||||
|
||||
if( ilen > 0 )
|
||||
{
|
||||
memcpy( (void *) (ctx->buffer + left), input, ilen );
|
||||
}
|
||||
}
|
||||
|
||||
static const uint8_t ripemd160_padding[64] =
|
||||
{
|
||||
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||||
};
|
||||
|
||||
/*
|
||||
* RIPEMD-160 final digest
|
||||
*/
|
||||
void ripemd160_finish( RIPEMD160_CTX *ctx, uint8_t output[20] )
|
||||
{
|
||||
uint32_t last, padn;
|
||||
uint32_t high, low;
|
||||
uint8_t msglen[8];
|
||||
|
||||
high = ( ctx->total[0] >> 29 )
|
||||
| ( ctx->total[1] << 3 );
|
||||
low = ( ctx->total[0] << 3 );
|
||||
|
||||
PUT_UINT32_LE( low, msglen, 0 );
|
||||
PUT_UINT32_LE( high, msglen, 4 );
|
||||
|
||||
last = ctx->total[0] & 0x3F;
|
||||
padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
|
||||
|
||||
ripemd160_update( ctx, ripemd160_padding, padn );
|
||||
ripemd160_update( ctx, msglen, 8 );
|
||||
|
||||
PUT_UINT32_LE( ctx->state[0], output, 0 );
|
||||
PUT_UINT32_LE( ctx->state[1], output, 4 );
|
||||
PUT_UINT32_LE( ctx->state[2], output, 8 );
|
||||
PUT_UINT32_LE( ctx->state[3], output, 12 );
|
||||
PUT_UINT32_LE( ctx->state[4], output, 16 );
|
||||
}
|
||||
|
||||
/*
|
||||
* output = RIPEMD-160( input buffer )
|
||||
*/
|
||||
void ripemd160(const uint8_t *msg, uint32_t msg_len, uint8_t hash[20])
|
||||
{
|
||||
RIPEMD160_CTX ctx;
|
||||
ripemd160_init( &ctx );
|
||||
ripemd160_update( &ctx, msg, msg_len );
|
||||
ripemd160_finish( &ctx, hash );
|
||||
}
|
||||
|
||||
11
ripemd160.h
11
ripemd160.h
@ -3,6 +3,15 @@
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
void ripemd160(const uint8_t *msg, uint32_t msg_len, uint8_t *hash);
|
||||
typedef struct _RIPEMD160_CTX {
|
||||
uint32_t total[2]; /*!< number of bytes processed */
|
||||
uint32_t state[5]; /*!< intermediate digest state */
|
||||
uint8_t buffer[64]; /*!< data block being processed */
|
||||
} RIPEMD160_CTX;
|
||||
|
||||
void ripemd160_init(RIPEMD160_CTX *ctx);
|
||||
void ripemd160_update(RIPEMD160_CTX *ctx, const uint8_t *input, uint32_t ilen);
|
||||
void ripemd160_finish(RIPEMD160_CTX *ctx, uint8_t output[20]);
|
||||
void ripemd160(const uint8_t *msg, uint32_t msg_len, uint8_t hash[20]);
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user