/* | |
* RIPE MD-160 implementation | |
* | |
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved | |
* SPDX-License-Identifier: Apache-2.0 | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); you may | |
* not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | |
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
* | |
* This file is part of mbed TLS (https://tls.mbed.org) | |
*/ | |
/* | |
* The RIPEMD-160 algorithm was designed by RIPE in 1996 | |
* http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html | |
* http://ehash.iaik.tugraz.at/wiki/RIPEMD-160 | |
*/ | |
#if !defined(MBEDTLS_CONFIG_FILE) | |
#include "mbedtls/config.h" | |
#else | |
#include MBEDTLS_CONFIG_FILE | |
#endif | |
#if defined(MBEDTLS_RIPEMD160_C) | |
#include "mbedtls/ripemd160.h" | |
#include "mbedtls/platform_util.h" | |
#include <string.h> | |
#if defined(MBEDTLS_SELF_TEST) | |
#if defined(MBEDTLS_PLATFORM_C) | |
#include "mbedtls/platform.h" | |
#else | |
#include <stdio.h> | |
#define mbedtls_printf printf | |
#endif /* MBEDTLS_PLATFORM_C */ | |
#endif /* MBEDTLS_SELF_TEST */ | |
#if !defined(MBEDTLS_RIPEMD160_ALT) | |
/* | |
* 32-bit integer manipulation macros (little endian) | |
*/ | |
#ifndef GET_UINT32_LE | |
#define GET_UINT32_LE(n,b,i) \ | |
{ \ | |
(n) = ( (uint32_t) (b)[(i) ] ) \ | |
| ( (uint32_t) (b)[(i) + 1] << 8 ) \ | |
| ( (uint32_t) (b)[(i) + 2] << 16 ) \ | |
| ( (uint32_t) (b)[(i) + 3] << 24 ); \ | |
} | |
#endif | |
#ifndef PUT_UINT32_LE | |
#define PUT_UINT32_LE(n,b,i) \ | |
{ \ | |
(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \ | |
(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \ | |
(b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \ | |
(b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \ | |
} | |
#endif | |
void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx ) | |
{ | |
memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) ); | |
} | |
void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx ) | |
{ | |
if( ctx == NULL ) | |
return; | |
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) ); | |
} | |
void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst, | |
const mbedtls_ripemd160_context *src ) | |
{ | |
*dst = *src; | |
} | |
/* | |
* RIPEMD-160 context setup | |
*/ | |
int mbedtls_ripemd160_starts_ret( mbedtls_ripemd160_context *ctx ) | |
{ | |
ctx->total[0] = 0; | |
ctx->total[1] = 0; | |
ctx->state[0] = 0x67452301; | |
ctx->state[1] = 0xEFCDAB89; | |
ctx->state[2] = 0x98BADCFE; | |
ctx->state[3] = 0x10325476; | |
ctx->state[4] = 0xC3D2E1F0; | |
return( 0 ); | |
} | |
#if !defined(MBEDTLS_DEPRECATED_REMOVED) | |
void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx ) | |
{ | |
mbedtls_ripemd160_starts_ret( ctx ); | |
} | |
#endif | |
#if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT) | |
/* | |
* Process one block | |
*/ | |
int mbedtls_internal_ripemd160_process( mbedtls_ripemd160_context *ctx, | |
const unsigned char data[64] ) | |
{ | |
uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[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 ); | |
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]; | |
#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) ) ) | |
#define S( x, n ) ( ( (x) << (n) ) | ( (x) >> (32 - (n)) ) ) | |
#define P( a, b, c, d, e, r, s, f, k ) \ | |
do \ | |
{ \ | |
(a) += f( (b), (c), (d) ) + X[r] + (k); \ | |
(a) = S( (a), (s) ) + (e); \ | |
(c) = S( (c), 10 ); \ | |
} while( 0 ) | |
#define P2( a, b, c, d, e, r, s, rp, sp ) \ | |
do \ | |
{ \ | |
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 ); \ | |
} while( 0 ) | |
#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 | |
#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 | |
#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; | |
return( 0 ); | |
} | |
#if !defined(MBEDTLS_DEPRECATED_REMOVED) | |
void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, | |
const unsigned char data[64] ) | |
{ | |
mbedtls_internal_ripemd160_process( ctx, data ); | |
} | |
#endif | |
#endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */ | |
/* | |
* RIPEMD-160 process buffer | |
*/ | |
int mbedtls_ripemd160_update_ret( mbedtls_ripemd160_context *ctx, | |
const unsigned char *input, | |
size_t ilen ) | |
{ | |
int ret; | |
size_t fill; | |
uint32_t left; | |
if( ilen == 0 ) | |
return( 0 ); | |
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 ); | |
if( ( ret = mbedtls_internal_ripemd160_process( ctx, ctx->buffer ) ) != 0 ) | |
return( ret ); | |
input += fill; | |
ilen -= fill; | |
left = 0; | |
} | |
while( ilen >= 64 ) | |
{ | |
if( ( ret = mbedtls_internal_ripemd160_process( ctx, input ) ) != 0 ) | |
return( ret ); | |
input += 64; | |
ilen -= 64; | |
} | |
if( ilen > 0 ) | |
{ | |
memcpy( (void *) (ctx->buffer + left), input, ilen ); | |
} | |
return( 0 ); | |
} | |
#if !defined(MBEDTLS_DEPRECATED_REMOVED) | |
void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx, | |
const unsigned char *input, | |
size_t ilen ) | |
{ | |
mbedtls_ripemd160_update_ret( ctx, input, ilen ); | |
} | |
#endif | |
static const unsigned char 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 | |
*/ | |
int mbedtls_ripemd160_finish_ret( mbedtls_ripemd160_context *ctx, | |
unsigned char output[20] ) | |
{ | |
int ret; | |
uint32_t last, padn; | |
uint32_t high, low; | |
unsigned char 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 ); | |
ret = mbedtls_ripemd160_update_ret( ctx, ripemd160_padding, padn ); | |
if( ret != 0 ) | |
return( ret ); | |
ret = mbedtls_ripemd160_update_ret( ctx, msglen, 8 ); | |
if( ret != 0 ) | |
return( ret ); | |
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 ); | |
return( 0 ); | |
} | |
#if !defined(MBEDTLS_DEPRECATED_REMOVED) | |
void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, | |
unsigned char output[20] ) | |
{ | |
mbedtls_ripemd160_finish_ret( ctx, output ); | |
} | |
#endif | |
#endif /* ! MBEDTLS_RIPEMD160_ALT */ | |
/* | |
* output = RIPEMD-160( input buffer ) | |
*/ | |
int mbedtls_ripemd160_ret( const unsigned char *input, | |
size_t ilen, | |
unsigned char output[20] ) | |
{ | |
int ret; | |
mbedtls_ripemd160_context ctx; | |
mbedtls_ripemd160_init( &ctx ); | |
if( ( ret = mbedtls_ripemd160_starts_ret( &ctx ) ) != 0 ) | |
goto exit; | |
if( ( ret = mbedtls_ripemd160_update_ret( &ctx, input, ilen ) ) != 0 ) | |
goto exit; | |
if( ( ret = mbedtls_ripemd160_finish_ret( &ctx, output ) ) != 0 ) | |
goto exit; | |
exit: | |
mbedtls_ripemd160_free( &ctx ); | |
return( ret ); | |
} | |
#if !defined(MBEDTLS_DEPRECATED_REMOVED) | |
void mbedtls_ripemd160( const unsigned char *input, | |
size_t ilen, | |
unsigned char output[20] ) | |
{ | |
mbedtls_ripemd160_ret( input, ilen, output ); | |
} | |
#endif | |
#if defined(MBEDTLS_SELF_TEST) | |
/* | |
* Test vectors from the RIPEMD-160 paper and | |
* http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC | |
*/ | |
#define TESTS 8 | |
static const unsigned char ripemd160_test_str[TESTS][81] = | |
{ | |
{ "" }, | |
{ "a" }, | |
{ "abc" }, | |
{ "message digest" }, | |
{ "abcdefghijklmnopqrstuvwxyz" }, | |
{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, | |
{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" }, | |
{ "12345678901234567890123456789012345678901234567890123456789012" | |
"345678901234567890" }, | |
}; | |
static const size_t ripemd160_test_strlen[TESTS] = | |
{ | |
0, 1, 3, 14, 26, 56, 62, 80 | |
}; | |
static const unsigned char ripemd160_test_md[TESTS][20] = | |
{ | |
{ 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28, | |
0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 }, | |
{ 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae, | |
0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe }, | |
{ 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04, | |
0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc }, | |
{ 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8, | |
0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 }, | |
{ 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb, | |
0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc }, | |
{ 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05, | |
0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b }, | |
{ 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed, | |
0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 }, | |
{ 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb, | |
0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb }, | |
}; | |
/* | |
* Checkup routine | |
*/ | |
int mbedtls_ripemd160_self_test( int verbose ) | |
{ | |
int i, ret = 0; | |
unsigned char output[20]; | |
memset( output, 0, sizeof output ); | |
for( i = 0; i < TESTS; i++ ) | |
{ | |
if( verbose != 0 ) | |
mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 ); | |
ret = mbedtls_ripemd160_ret( ripemd160_test_str[i], | |
ripemd160_test_strlen[i], output ); | |
if( ret != 0 ) | |
goto fail; | |
if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 ) | |
{ | |
ret = 1; | |
goto fail; | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "passed\n" ); | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "\n" ); | |
return( 0 ); | |
fail: | |
if( verbose != 0 ) | |
mbedtls_printf( "failed\n" ); | |
return( ret ); | |
} | |
#endif /* MBEDTLS_SELF_TEST */ | |
#endif /* MBEDTLS_RIPEMD160_C */ |