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mbedtls/library/ripemd160.c
Brian White 12895d15f8 Fix less-than-zero checks on unsigned numbers
2014-05-22 13:52:53 +02:00

635 lines
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/*
* RIPE MD-160 implementation
*
* Copyright (C) 2014-2014, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program 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.
*
* This program 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.
*/
/*
* The RIPEMD-160 algorithm was designed by RIPE in 1996
* http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
* http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
*/
#if !defined(POLARSSL_CONFIG_FILE)
#include "polarssl/config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#if defined(POLARSSL_RIPEMD160_C)
#include "polarssl/ripemd160.h"
#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST)
#include <stdio.h>
#endif
#if defined(POLARSSL_SELF_TEST)
#include <string.h>
#endif
#if defined(POLARSSL_PLATFORM_C)
#include "polarssl/platform.h"
#else
#define polarssl_printf printf
#endif
/*
* 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) ); \
(b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
(b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \
(b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \
}
#endif
/*
* RIPEMD-160 context setup
*/
void ripemd160_starts( 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;
}
/*
* Process one block
*/
void ripemd160_process( 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 ) \
a += f( b, c, d ) + X[r] + k; \
a = S( a, s ) + e; \
c = S( c, 10 );
#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 );
#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;
}
/*
* RIPEMD-160 process buffer
*/
void ripemd160_update( ripemd160_context *ctx,
const unsigned char *input, size_t ilen )
{
size_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 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
*/
void ripemd160_finish( ripemd160_context *ctx, unsigned char output[20] )
{
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 );
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 unsigned char *input, size_t ilen,
unsigned char output[20] )
{
ripemd160_context ctx;
ripemd160_starts( &ctx );
ripemd160_update( &ctx, input, ilen );
ripemd160_finish( &ctx, output );
memset( &ctx, 0, sizeof( ripemd160_context ) );
}
#if defined(POLARSSL_FS_IO)
/*
* output = RIPEMD-160( file contents )
*/
int ripemd160_file( const char *path, unsigned char output[20] )
{
FILE *f;
size_t n;
ripemd160_context ctx;
unsigned char buf[1024];
if( ( f = fopen( path, "rb" ) ) == NULL )
return( POLARSSL_ERR_RIPEMD160_FILE_IO_ERROR );
ripemd160_starts( &ctx );
while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 )
ripemd160_update( &ctx, buf, n );
ripemd160_finish( &ctx, output );
memset( &ctx, 0, sizeof( ripemd160_context ) );
if( ferror( f ) != 0 )
{
fclose( f );
return( POLARSSL_ERR_RIPEMD160_FILE_IO_ERROR );
}
fclose( f );
return( 0 );
}
#endif /* POLARSSL_FS_IO */
/*
* RIPEMD-160 HMAC context setup
*/
void ripemd160_hmac_starts( ripemd160_context *ctx,
const unsigned char *key, size_t keylen )
{
size_t i;
unsigned char sum[20];
if( keylen > 64 )
{
ripemd160( key, keylen, sum );
keylen = 20;
key = sum;
}
memset( ctx->ipad, 0x36, 64 );
memset( ctx->opad, 0x5C, 64 );
for( i = 0; i < keylen; i++ )
{
ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );
ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );
}
ripemd160_starts( ctx );
ripemd160_update( ctx, ctx->ipad, 64 );
memset( sum, 0, sizeof( sum ) );
}
/*
* RIPEMD-160 HMAC process buffer
*/
void ripemd160_hmac_update( ripemd160_context *ctx,
const unsigned char *input, size_t ilen )
{
ripemd160_update( ctx, input, ilen );
}
/*
* RIPEMD-160 HMAC final digest
*/
void ripemd160_hmac_finish( ripemd160_context *ctx, unsigned char output[20] )
{
unsigned char tmpbuf[20];
ripemd160_finish( ctx, tmpbuf );
ripemd160_starts( ctx );
ripemd160_update( ctx, ctx->opad, 64 );
ripemd160_update( ctx, tmpbuf, 20 );
ripemd160_finish( ctx, output );
memset( tmpbuf, 0, sizeof( tmpbuf ) );
}
/*
* RIPEMD-160 HMAC context reset
*/
void ripemd160_hmac_reset( ripemd160_context *ctx )
{
ripemd160_starts( ctx );
ripemd160_update( ctx, ctx->ipad, 64 );
}
/*
* output = HMAC-RIPEMD-160( hmac key, input buffer )
*/
void ripemd160_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[20] )
{
ripemd160_context ctx;
ripemd160_hmac_starts( &ctx, key, keylen );
ripemd160_hmac_update( &ctx, input, ilen );
ripemd160_hmac_finish( &ctx, output );
memset( &ctx, 0, sizeof( ripemd160_context ) );
}
#if defined(POLARSSL_SELF_TEST)
/*
* Test vectors from the RIPEMD-160 paper and
* http://homes.esat.kuleuven.be/~bosselae/ripemd160.html#HMAC
*/
#define TESTS 8
#define KEYS 2
static const char *ripemd160_test_input[TESTS] =
{
"",
"a",
"abc",
"message digest",
"abcdefghijklmnopqrstuvwxyz",
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
"1234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890",
};
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 },
};
static const unsigned char ripemd160_test_hmac[KEYS][TESTS][20] =
{
{
{ 0xcf, 0x38, 0x76, 0x77, 0xbf, 0xda, 0x84, 0x83, 0xe6, 0x3b,
0x57, 0xe0, 0x6c, 0x3b, 0x5e, 0xcd, 0x8b, 0x7f, 0xc0, 0x55 },
{ 0x0d, 0x35, 0x1d, 0x71, 0xb7, 0x8e, 0x36, 0xdb, 0xb7, 0x39,
0x1c, 0x81, 0x0a, 0x0d, 0x2b, 0x62, 0x40, 0xdd, 0xba, 0xfc },
{ 0xf7, 0xef, 0x28, 0x8c, 0xb1, 0xbb, 0xcc, 0x61, 0x60, 0xd7,
0x65, 0x07, 0xe0, 0xa3, 0xbb, 0xf7, 0x12, 0xfb, 0x67, 0xd6 },
{ 0xf8, 0x36, 0x62, 0xcc, 0x8d, 0x33, 0x9c, 0x22, 0x7e, 0x60,
0x0f, 0xcd, 0x63, 0x6c, 0x57, 0xd2, 0x57, 0x1b, 0x1c, 0x34 },
{ 0x84, 0x3d, 0x1c, 0x4e, 0xb8, 0x80, 0xac, 0x8a, 0xc0, 0xc9,
0xc9, 0x56, 0x96, 0x50, 0x79, 0x57, 0xd0, 0x15, 0x5d, 0xdb },
{ 0x60, 0xf5, 0xef, 0x19, 0x8a, 0x2d, 0xd5, 0x74, 0x55, 0x45,
0xc1, 0xf0, 0xc4, 0x7a, 0xa3, 0xfb, 0x57, 0x76, 0xf8, 0x81 },
{ 0xe4, 0x9c, 0x13, 0x6a, 0x9e, 0x56, 0x27, 0xe0, 0x68, 0x1b,
0x80, 0x8a, 0x3b, 0x97, 0xe6, 0xa6, 0xe6, 0x61, 0xae, 0x79 },
{ 0x31, 0xbe, 0x3c, 0xc9, 0x8c, 0xee, 0x37, 0xb7, 0x9b, 0x06,
0x19, 0xe3, 0xe1, 0xc2, 0xbe, 0x4f, 0x1a, 0xa5, 0x6e, 0x6c },
},
{
{ 0xfe, 0x69, 0xa6, 0x6c, 0x74, 0x23, 0xee, 0xa9, 0xc8, 0xfa,
0x2e, 0xff, 0x8d, 0x9d, 0xaf, 0xb4, 0xf1, 0x7a, 0x62, 0xf5 },
{ 0x85, 0x74, 0x3e, 0x89, 0x9b, 0xc8, 0x2d, 0xbf, 0xa3, 0x6f,
0xaa, 0xa7, 0xa2, 0x5b, 0x7c, 0xfd, 0x37, 0x24, 0x32, 0xcd },
{ 0x6e, 0x4a, 0xfd, 0x50, 0x1f, 0xa6, 0xb4, 0xa1, 0x82, 0x3c,
0xa3, 0xb1, 0x0b, 0xd9, 0xaa, 0x0b, 0xa9, 0x7b, 0xa1, 0x82 },
{ 0x2e, 0x06, 0x6e, 0x62, 0x4b, 0xad, 0xb7, 0x6a, 0x18, 0x4c,
0x8f, 0x90, 0xfb, 0xa0, 0x53, 0x33, 0x0e, 0x65, 0x0e, 0x92 },
{ 0x07, 0xe9, 0x42, 0xaa, 0x4e, 0x3c, 0xd7, 0xc0, 0x4d, 0xed,
0xc1, 0xd4, 0x6e, 0x2e, 0x8c, 0xc4, 0xc7, 0x41, 0xb3, 0xd9 },
{ 0xb6, 0x58, 0x23, 0x18, 0xdd, 0xcf, 0xb6, 0x7a, 0x53, 0xa6,
0x7d, 0x67, 0x6b, 0x8a, 0xd8, 0x69, 0xad, 0xed, 0x62, 0x9a },
{ 0xf1, 0xbe, 0x3e, 0xe8, 0x77, 0x70, 0x31, 0x40, 0xd3, 0x4f,
0x97, 0xea, 0x1a, 0xb3, 0xa0, 0x7c, 0x14, 0x13, 0x33, 0xe2 },
{ 0x85, 0xf1, 0x64, 0x70, 0x3e, 0x61, 0xa6, 0x31, 0x31, 0xbe,
0x7e, 0x45, 0x95, 0x8e, 0x07, 0x94, 0x12, 0x39, 0x04, 0xf9 },
},
};
static const unsigned char ripemd160_test_key[KEYS][20] =
{
{ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x01, 0x23, 0x45, 0x67 },
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc,
0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x11, 0x22, 0x33 },
};
/*
* Checkup routine
*/
int ripemd160_self_test( int verbose )
{
int i, j;
unsigned char output[20];
memset( output, 0, sizeof output );
for( i = 0; i < TESTS; i++ )
{
if( verbose != 0 )
polarssl_printf( " RIPEMD-160 test #%d: ", i + 1 );
ripemd160( (const unsigned char *) ripemd160_test_input[i],
strlen( ripemd160_test_input[i] ),
output );
if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
{
if( verbose != 0 )
polarssl_printf( "failed\n" );
return( 1 );
}
if( verbose != 0 )
polarssl_printf( "passed\n" );
for( j = 0; j < KEYS; j++ )
{
if( verbose != 0 )
polarssl_printf( " HMAC-RIPEMD-160 test #%d, key #%d: ",
i + 1, j + 1 );
ripemd160_hmac( ripemd160_test_key[j], 20,
(const unsigned char *) ripemd160_test_input[i],
strlen( ripemd160_test_input[i] ),
output );
if( memcmp( output, ripemd160_test_hmac[j][i], 20 ) != 0 )
{
if( verbose != 0 )
polarssl_printf( "failed\n" );
return( 1 );
}
if( verbose != 0 )
polarssl_printf( "passed\n" );
}
if( verbose != 0 )
polarssl_printf( "\n" );
}
return( 0 );
}
#endif /* POLARSSL_SELF_TEST */
#endif /* POLARSSL_RIPEMD160_C */
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