Simon Cooksey / mbed-os

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features/mbedtls/src/ripemd160.c@0:fb7af294d5d9, 2016-11-17 (annotated)

Committer:
Simon Cooksey
Date:
Thu Nov 17 16:43:53 2016 +0000
Revision:
0:fb7af294d5d9
Initial commit

Who changed what in which revision?

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Simon Cooksey 0:fb7af294d5d9 1 /*
Simon Cooksey 0:fb7af294d5d9 2 * RIPE MD-160 implementation
Simon Cooksey 0:fb7af294d5d9 3 *
Simon Cooksey 0:fb7af294d5d9 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Simon Cooksey 0:fb7af294d5d9 5 * SPDX-License-Identifier: Apache-2.0
Simon Cooksey 0:fb7af294d5d9 6 *
Simon Cooksey 0:fb7af294d5d9 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Simon Cooksey 0:fb7af294d5d9 8 * not use this file except in compliance with the License.
Simon Cooksey 0:fb7af294d5d9 9 * You may obtain a copy of the License at
Simon Cooksey 0:fb7af294d5d9 10 *
Simon Cooksey 0:fb7af294d5d9 11 * http://www.apache.org/licenses/LICENSE-2.0
Simon Cooksey 0:fb7af294d5d9 12 *
Simon Cooksey 0:fb7af294d5d9 13 * Unless required by applicable law or agreed to in writing, software
Simon Cooksey 0:fb7af294d5d9 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Simon Cooksey 0:fb7af294d5d9 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Simon Cooksey 0:fb7af294d5d9 16 * See the License for the specific language governing permissions and
Simon Cooksey 0:fb7af294d5d9 17 * limitations under the License.
Simon Cooksey 0:fb7af294d5d9 18 *
Simon Cooksey 0:fb7af294d5d9 19 * This file is part of mbed TLS (https://tls.mbed.org)
Simon Cooksey 0:fb7af294d5d9 20 */
Simon Cooksey 0:fb7af294d5d9 21
Simon Cooksey 0:fb7af294d5d9 22 /*
Simon Cooksey 0:fb7af294d5d9 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
Simon Cooksey 0:fb7af294d5d9 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
Simon Cooksey 0:fb7af294d5d9 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
Simon Cooksey 0:fb7af294d5d9 26 */
Simon Cooksey 0:fb7af294d5d9 27
Simon Cooksey 0:fb7af294d5d9 28 #if !defined(MBEDTLS_CONFIG_FILE)
Simon Cooksey 0:fb7af294d5d9 29 #include "mbedtls/config.h"
Simon Cooksey 0:fb7af294d5d9 30 #else
Simon Cooksey 0:fb7af294d5d9 31 #include MBEDTLS_CONFIG_FILE
Simon Cooksey 0:fb7af294d5d9 32 #endif
Simon Cooksey 0:fb7af294d5d9 33
Simon Cooksey 0:fb7af294d5d9 34 #if defined(MBEDTLS_RIPEMD160_C)
Simon Cooksey 0:fb7af294d5d9 35
Simon Cooksey 0:fb7af294d5d9 36 #include "mbedtls/ripemd160.h"
Simon Cooksey 0:fb7af294d5d9 37
Simon Cooksey 0:fb7af294d5d9 38 #include <string.h>
Simon Cooksey 0:fb7af294d5d9 39
Simon Cooksey 0:fb7af294d5d9 40 #if defined(MBEDTLS_SELF_TEST)
Simon Cooksey 0:fb7af294d5d9 41 #if defined(MBEDTLS_PLATFORM_C)
Simon Cooksey 0:fb7af294d5d9 42 #include "mbedtls/platform.h"
Simon Cooksey 0:fb7af294d5d9 43 #else
Simon Cooksey 0:fb7af294d5d9 44 #include <stdio.h>
Simon Cooksey 0:fb7af294d5d9 45 #define mbedtls_printf printf
Simon Cooksey 0:fb7af294d5d9 46 #endif /* MBEDTLS_PLATFORM_C */
Simon Cooksey 0:fb7af294d5d9 47 #endif /* MBEDTLS_SELF_TEST */
Simon Cooksey 0:fb7af294d5d9 48
Simon Cooksey 0:fb7af294d5d9 49 /*
Simon Cooksey 0:fb7af294d5d9 50 * 32-bit integer manipulation macros (little endian)
Simon Cooksey 0:fb7af294d5d9 51 */
Simon Cooksey 0:fb7af294d5d9 52 #ifndef GET_UINT32_LE
Simon Cooksey 0:fb7af294d5d9 53 #define GET_UINT32_LE(n,b,i) \
Simon Cooksey 0:fb7af294d5d9 54 { \
Simon Cooksey 0:fb7af294d5d9 55 (n) = ( (uint32_t) (b)[(i) ] ) \
Simon Cooksey 0:fb7af294d5d9 56 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
Simon Cooksey 0:fb7af294d5d9 57 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
Simon Cooksey 0:fb7af294d5d9 58 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
Simon Cooksey 0:fb7af294d5d9 59 }
Simon Cooksey 0:fb7af294d5d9 60 #endif
Simon Cooksey 0:fb7af294d5d9 61
Simon Cooksey 0:fb7af294d5d9 62 #ifndef PUT_UINT32_LE
Simon Cooksey 0:fb7af294d5d9 63 #define PUT_UINT32_LE(n,b,i) \
Simon Cooksey 0:fb7af294d5d9 64 { \
Simon Cooksey 0:fb7af294d5d9 65 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
Simon Cooksey 0:fb7af294d5d9 66 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
Simon Cooksey 0:fb7af294d5d9 67 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
Simon Cooksey 0:fb7af294d5d9 68 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
Simon Cooksey 0:fb7af294d5d9 69 }
Simon Cooksey 0:fb7af294d5d9 70 #endif
Simon Cooksey 0:fb7af294d5d9 71
Simon Cooksey 0:fb7af294d5d9 72 /* Implementation that should never be optimized out by the compiler */
Simon Cooksey 0:fb7af294d5d9 73 static void mbedtls_zeroize( void *v, size_t n ) {
Simon Cooksey 0:fb7af294d5d9 74 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
Simon Cooksey 0:fb7af294d5d9 75 }
Simon Cooksey 0:fb7af294d5d9 76
Simon Cooksey 0:fb7af294d5d9 77 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
Simon Cooksey 0:fb7af294d5d9 78 {
Simon Cooksey 0:fb7af294d5d9 79 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
Simon Cooksey 0:fb7af294d5d9 80 }
Simon Cooksey 0:fb7af294d5d9 81
Simon Cooksey 0:fb7af294d5d9 82 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
Simon Cooksey 0:fb7af294d5d9 83 {
Simon Cooksey 0:fb7af294d5d9 84 if( ctx == NULL )
Simon Cooksey 0:fb7af294d5d9 85 return;
Simon Cooksey 0:fb7af294d5d9 86
Simon Cooksey 0:fb7af294d5d9 87 mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
Simon Cooksey 0:fb7af294d5d9 88 }
Simon Cooksey 0:fb7af294d5d9 89
Simon Cooksey 0:fb7af294d5d9 90 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
Simon Cooksey 0:fb7af294d5d9 91 const mbedtls_ripemd160_context *src )
Simon Cooksey 0:fb7af294d5d9 92 {
Simon Cooksey 0:fb7af294d5d9 93 *dst = *src;
Simon Cooksey 0:fb7af294d5d9 94 }
Simon Cooksey 0:fb7af294d5d9 95
Simon Cooksey 0:fb7af294d5d9 96 /*
Simon Cooksey 0:fb7af294d5d9 97 * RIPEMD-160 context setup
Simon Cooksey 0:fb7af294d5d9 98 */
Simon Cooksey 0:fb7af294d5d9 99 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
Simon Cooksey 0:fb7af294d5d9 100 {
Simon Cooksey 0:fb7af294d5d9 101 ctx->total[0] = 0;
Simon Cooksey 0:fb7af294d5d9 102 ctx->total[1] = 0;
Simon Cooksey 0:fb7af294d5d9 103
Simon Cooksey 0:fb7af294d5d9 104 ctx->state[0] = 0x67452301;
Simon Cooksey 0:fb7af294d5d9 105 ctx->state[1] = 0xEFCDAB89;
Simon Cooksey 0:fb7af294d5d9 106 ctx->state[2] = 0x98BADCFE;
Simon Cooksey 0:fb7af294d5d9 107 ctx->state[3] = 0x10325476;
Simon Cooksey 0:fb7af294d5d9 108 ctx->state[4] = 0xC3D2E1F0;
Simon Cooksey 0:fb7af294d5d9 109 }
Simon Cooksey 0:fb7af294d5d9 110
Simon Cooksey 0:fb7af294d5d9 111 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
Simon Cooksey 0:fb7af294d5d9 112 /*
Simon Cooksey 0:fb7af294d5d9 113 * Process one block
Simon Cooksey 0:fb7af294d5d9 114 */
Simon Cooksey 0:fb7af294d5d9 115 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
Simon Cooksey 0:fb7af294d5d9 116 {
Simon Cooksey 0:fb7af294d5d9 117 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
Simon Cooksey 0:fb7af294d5d9 118
Simon Cooksey 0:fb7af294d5d9 119 GET_UINT32_LE( X[ 0], data, 0 );
Simon Cooksey 0:fb7af294d5d9 120 GET_UINT32_LE( X[ 1], data, 4 );
Simon Cooksey 0:fb7af294d5d9 121 GET_UINT32_LE( X[ 2], data, 8 );
Simon Cooksey 0:fb7af294d5d9 122 GET_UINT32_LE( X[ 3], data, 12 );
Simon Cooksey 0:fb7af294d5d9 123 GET_UINT32_LE( X[ 4], data, 16 );
Simon Cooksey 0:fb7af294d5d9 124 GET_UINT32_LE( X[ 5], data, 20 );
Simon Cooksey 0:fb7af294d5d9 125 GET_UINT32_LE( X[ 6], data, 24 );
Simon Cooksey 0:fb7af294d5d9 126 GET_UINT32_LE( X[ 7], data, 28 );
Simon Cooksey 0:fb7af294d5d9 127 GET_UINT32_LE( X[ 8], data, 32 );
Simon Cooksey 0:fb7af294d5d9 128 GET_UINT32_LE( X[ 9], data, 36 );
Simon Cooksey 0:fb7af294d5d9 129 GET_UINT32_LE( X[10], data, 40 );
Simon Cooksey 0:fb7af294d5d9 130 GET_UINT32_LE( X[11], data, 44 );
Simon Cooksey 0:fb7af294d5d9 131 GET_UINT32_LE( X[12], data, 48 );
Simon Cooksey 0:fb7af294d5d9 132 GET_UINT32_LE( X[13], data, 52 );
Simon Cooksey 0:fb7af294d5d9 133 GET_UINT32_LE( X[14], data, 56 );
Simon Cooksey 0:fb7af294d5d9 134 GET_UINT32_LE( X[15], data, 60 );
Simon Cooksey 0:fb7af294d5d9 135
Simon Cooksey 0:fb7af294d5d9 136 A = Ap = ctx->state[0];
Simon Cooksey 0:fb7af294d5d9 137 B = Bp = ctx->state[1];
Simon Cooksey 0:fb7af294d5d9 138 C = Cp = ctx->state[2];
Simon Cooksey 0:fb7af294d5d9 139 D = Dp = ctx->state[3];
Simon Cooksey 0:fb7af294d5d9 140 E = Ep = ctx->state[4];
Simon Cooksey 0:fb7af294d5d9 141
Simon Cooksey 0:fb7af294d5d9 142 #define F1( x, y, z ) ( x ^ y ^ z )
Simon Cooksey 0:fb7af294d5d9 143 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
Simon Cooksey 0:fb7af294d5d9 144 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
Simon Cooksey 0:fb7af294d5d9 145 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
Simon Cooksey 0:fb7af294d5d9 146 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
Simon Cooksey 0:fb7af294d5d9 147
Simon Cooksey 0:fb7af294d5d9 148 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
Simon Cooksey 0:fb7af294d5d9 149
Simon Cooksey 0:fb7af294d5d9 150 #define P( a, b, c, d, e, r, s, f, k ) \
Simon Cooksey 0:fb7af294d5d9 151 a += f( b, c, d ) + X[r] + k; \
Simon Cooksey 0:fb7af294d5d9 152 a = S( a, s ) + e; \
Simon Cooksey 0:fb7af294d5d9 153 c = S( c, 10 );
Simon Cooksey 0:fb7af294d5d9 154
Simon Cooksey 0:fb7af294d5d9 155 #define P2( a, b, c, d, e, r, s, rp, sp ) \
Simon Cooksey 0:fb7af294d5d9 156 P( a, b, c, d, e, r, s, F, K ); \
Simon Cooksey 0:fb7af294d5d9 157 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
Simon Cooksey 0:fb7af294d5d9 158
Simon Cooksey 0:fb7af294d5d9 159 #define F F1
Simon Cooksey 0:fb7af294d5d9 160 #define K 0x00000000
Simon Cooksey 0:fb7af294d5d9 161 #define Fp F5
Simon Cooksey 0:fb7af294d5d9 162 #define Kp 0x50A28BE6
Simon Cooksey 0:fb7af294d5d9 163 P2( A, B, C, D, E, 0, 11, 5, 8 );
Simon Cooksey 0:fb7af294d5d9 164 P2( E, A, B, C, D, 1, 14, 14, 9 );
Simon Cooksey 0:fb7af294d5d9 165 P2( D, E, A, B, C, 2, 15, 7, 9 );
Simon Cooksey 0:fb7af294d5d9 166 P2( C, D, E, A, B, 3, 12, 0, 11 );
Simon Cooksey 0:fb7af294d5d9 167 P2( B, C, D, E, A, 4, 5, 9, 13 );
Simon Cooksey 0:fb7af294d5d9 168 P2( A, B, C, D, E, 5, 8, 2, 15 );
Simon Cooksey 0:fb7af294d5d9 169 P2( E, A, B, C, D, 6, 7, 11, 15 );
Simon Cooksey 0:fb7af294d5d9 170 P2( D, E, A, B, C, 7, 9, 4, 5 );
Simon Cooksey 0:fb7af294d5d9 171 P2( C, D, E, A, B, 8, 11, 13, 7 );
Simon Cooksey 0:fb7af294d5d9 172 P2( B, C, D, E, A, 9, 13, 6, 7 );
Simon Cooksey 0:fb7af294d5d9 173 P2( A, B, C, D, E, 10, 14, 15, 8 );
Simon Cooksey 0:fb7af294d5d9 174 P2( E, A, B, C, D, 11, 15, 8, 11 );
Simon Cooksey 0:fb7af294d5d9 175 P2( D, E, A, B, C, 12, 6, 1, 14 );
Simon Cooksey 0:fb7af294d5d9 176 P2( C, D, E, A, B, 13, 7, 10, 14 );
Simon Cooksey 0:fb7af294d5d9 177 P2( B, C, D, E, A, 14, 9, 3, 12 );
Simon Cooksey 0:fb7af294d5d9 178 P2( A, B, C, D, E, 15, 8, 12, 6 );
Simon Cooksey 0:fb7af294d5d9 179 #undef F
Simon Cooksey 0:fb7af294d5d9 180 #undef K
Simon Cooksey 0:fb7af294d5d9 181 #undef Fp
Simon Cooksey 0:fb7af294d5d9 182 #undef Kp
Simon Cooksey 0:fb7af294d5d9 183
Simon Cooksey 0:fb7af294d5d9 184 #define F F2
Simon Cooksey 0:fb7af294d5d9 185 #define K 0x5A827999
Simon Cooksey 0:fb7af294d5d9 186 #define Fp F4
Simon Cooksey 0:fb7af294d5d9 187 #define Kp 0x5C4DD124
Simon Cooksey 0:fb7af294d5d9 188 P2( E, A, B, C, D, 7, 7, 6, 9 );
Simon Cooksey 0:fb7af294d5d9 189 P2( D, E, A, B, C, 4, 6, 11, 13 );
Simon Cooksey 0:fb7af294d5d9 190 P2( C, D, E, A, B, 13, 8, 3, 15 );
Simon Cooksey 0:fb7af294d5d9 191 P2( B, C, D, E, A, 1, 13, 7, 7 );
Simon Cooksey 0:fb7af294d5d9 192 P2( A, B, C, D, E, 10, 11, 0, 12 );
Simon Cooksey 0:fb7af294d5d9 193 P2( E, A, B, C, D, 6, 9, 13, 8 );
Simon Cooksey 0:fb7af294d5d9 194 P2( D, E, A, B, C, 15, 7, 5, 9 );
Simon Cooksey 0:fb7af294d5d9 195 P2( C, D, E, A, B, 3, 15, 10, 11 );
Simon Cooksey 0:fb7af294d5d9 196 P2( B, C, D, E, A, 12, 7, 14, 7 );
Simon Cooksey 0:fb7af294d5d9 197 P2( A, B, C, D, E, 0, 12, 15, 7 );
Simon Cooksey 0:fb7af294d5d9 198 P2( E, A, B, C, D, 9, 15, 8, 12 );
Simon Cooksey 0:fb7af294d5d9 199 P2( D, E, A, B, C, 5, 9, 12, 7 );
Simon Cooksey 0:fb7af294d5d9 200 P2( C, D, E, A, B, 2, 11, 4, 6 );
Simon Cooksey 0:fb7af294d5d9 201 P2( B, C, D, E, A, 14, 7, 9, 15 );
Simon Cooksey 0:fb7af294d5d9 202 P2( A, B, C, D, E, 11, 13, 1, 13 );
Simon Cooksey 0:fb7af294d5d9 203 P2( E, A, B, C, D, 8, 12, 2, 11 );
Simon Cooksey 0:fb7af294d5d9 204 #undef F
Simon Cooksey 0:fb7af294d5d9 205 #undef K
Simon Cooksey 0:fb7af294d5d9 206 #undef Fp
Simon Cooksey 0:fb7af294d5d9 207 #undef Kp
Simon Cooksey 0:fb7af294d5d9 208
Simon Cooksey 0:fb7af294d5d9 209 #define F F3
Simon Cooksey 0:fb7af294d5d9 210 #define K 0x6ED9EBA1
Simon Cooksey 0:fb7af294d5d9 211 #define Fp F3
Simon Cooksey 0:fb7af294d5d9 212 #define Kp 0x6D703EF3
Simon Cooksey 0:fb7af294d5d9 213 P2( D, E, A, B, C, 3, 11, 15, 9 );
Simon Cooksey 0:fb7af294d5d9 214 P2( C, D, E, A, B, 10, 13, 5, 7 );
Simon Cooksey 0:fb7af294d5d9 215 P2( B, C, D, E, A, 14, 6, 1, 15 );
Simon Cooksey 0:fb7af294d5d9 216 P2( A, B, C, D, E, 4, 7, 3, 11 );
Simon Cooksey 0:fb7af294d5d9 217 P2( E, A, B, C, D, 9, 14, 7, 8 );
Simon Cooksey 0:fb7af294d5d9 218 P2( D, E, A, B, C, 15, 9, 14, 6 );
Simon Cooksey 0:fb7af294d5d9 219 P2( C, D, E, A, B, 8, 13, 6, 6 );
Simon Cooksey 0:fb7af294d5d9 220 P2( B, C, D, E, A, 1, 15, 9, 14 );
Simon Cooksey 0:fb7af294d5d9 221 P2( A, B, C, D, E, 2, 14, 11, 12 );
Simon Cooksey 0:fb7af294d5d9 222 P2( E, A, B, C, D, 7, 8, 8, 13 );
Simon Cooksey 0:fb7af294d5d9 223 P2( D, E, A, B, C, 0, 13, 12, 5 );
Simon Cooksey 0:fb7af294d5d9 224 P2( C, D, E, A, B, 6, 6, 2, 14 );
Simon Cooksey 0:fb7af294d5d9 225 P2( B, C, D, E, A, 13, 5, 10, 13 );
Simon Cooksey 0:fb7af294d5d9 226 P2( A, B, C, D, E, 11, 12, 0, 13 );
Simon Cooksey 0:fb7af294d5d9 227 P2( E, A, B, C, D, 5, 7, 4, 7 );
Simon Cooksey 0:fb7af294d5d9 228 P2( D, E, A, B, C, 12, 5, 13, 5 );
Simon Cooksey 0:fb7af294d5d9 229 #undef F
Simon Cooksey 0:fb7af294d5d9 230 #undef K
Simon Cooksey 0:fb7af294d5d9 231 #undef Fp
Simon Cooksey 0:fb7af294d5d9 232 #undef Kp
Simon Cooksey 0:fb7af294d5d9 233
Simon Cooksey 0:fb7af294d5d9 234 #define F F4
Simon Cooksey 0:fb7af294d5d9 235 #define K 0x8F1BBCDC
Simon Cooksey 0:fb7af294d5d9 236 #define Fp F2
Simon Cooksey 0:fb7af294d5d9 237 #define Kp 0x7A6D76E9
Simon Cooksey 0:fb7af294d5d9 238 P2( C, D, E, A, B, 1, 11, 8, 15 );
Simon Cooksey 0:fb7af294d5d9 239 P2( B, C, D, E, A, 9, 12, 6, 5 );
Simon Cooksey 0:fb7af294d5d9 240 P2( A, B, C, D, E, 11, 14, 4, 8 );
Simon Cooksey 0:fb7af294d5d9 241 P2( E, A, B, C, D, 10, 15, 1, 11 );
Simon Cooksey 0:fb7af294d5d9 242 P2( D, E, A, B, C, 0, 14, 3, 14 );
Simon Cooksey 0:fb7af294d5d9 243 P2( C, D, E, A, B, 8, 15, 11, 14 );
Simon Cooksey 0:fb7af294d5d9 244 P2( B, C, D, E, A, 12, 9, 15, 6 );
Simon Cooksey 0:fb7af294d5d9 245 P2( A, B, C, D, E, 4, 8, 0, 14 );
Simon Cooksey 0:fb7af294d5d9 246 P2( E, A, B, C, D, 13, 9, 5, 6 );
Simon Cooksey 0:fb7af294d5d9 247 P2( D, E, A, B, C, 3, 14, 12, 9 );
Simon Cooksey 0:fb7af294d5d9 248 P2( C, D, E, A, B, 7, 5, 2, 12 );
Simon Cooksey 0:fb7af294d5d9 249 P2( B, C, D, E, A, 15, 6, 13, 9 );
Simon Cooksey 0:fb7af294d5d9 250 P2( A, B, C, D, E, 14, 8, 9, 12 );
Simon Cooksey 0:fb7af294d5d9 251 P2( E, A, B, C, D, 5, 6, 7, 5 );
Simon Cooksey 0:fb7af294d5d9 252 P2( D, E, A, B, C, 6, 5, 10, 15 );
Simon Cooksey 0:fb7af294d5d9 253 P2( C, D, E, A, B, 2, 12, 14, 8 );
Simon Cooksey 0:fb7af294d5d9 254 #undef F
Simon Cooksey 0:fb7af294d5d9 255 #undef K
Simon Cooksey 0:fb7af294d5d9 256 #undef Fp
Simon Cooksey 0:fb7af294d5d9 257 #undef Kp
Simon Cooksey 0:fb7af294d5d9 258
Simon Cooksey 0:fb7af294d5d9 259 #define F F5
Simon Cooksey 0:fb7af294d5d9 260 #define K 0xA953FD4E
Simon Cooksey 0:fb7af294d5d9 261 #define Fp F1
Simon Cooksey 0:fb7af294d5d9 262 #define Kp 0x00000000
Simon Cooksey 0:fb7af294d5d9 263 P2( B, C, D, E, A, 4, 9, 12, 8 );
Simon Cooksey 0:fb7af294d5d9 264 P2( A, B, C, D, E, 0, 15, 15, 5 );
Simon Cooksey 0:fb7af294d5d9 265 P2( E, A, B, C, D, 5, 5, 10, 12 );
Simon Cooksey 0:fb7af294d5d9 266 P2( D, E, A, B, C, 9, 11, 4, 9 );
Simon Cooksey 0:fb7af294d5d9 267 P2( C, D, E, A, B, 7, 6, 1, 12 );
Simon Cooksey 0:fb7af294d5d9 268 P2( B, C, D, E, A, 12, 8, 5, 5 );
Simon Cooksey 0:fb7af294d5d9 269 P2( A, B, C, D, E, 2, 13, 8, 14 );
Simon Cooksey 0:fb7af294d5d9 270 P2( E, A, B, C, D, 10, 12, 7, 6 );
Simon Cooksey 0:fb7af294d5d9 271 P2( D, E, A, B, C, 14, 5, 6, 8 );
Simon Cooksey 0:fb7af294d5d9 272 P2( C, D, E, A, B, 1, 12, 2, 13 );
Simon Cooksey 0:fb7af294d5d9 273 P2( B, C, D, E, A, 3, 13, 13, 6 );
Simon Cooksey 0:fb7af294d5d9 274 P2( A, B, C, D, E, 8, 14, 14, 5 );
Simon Cooksey 0:fb7af294d5d9 275 P2( E, A, B, C, D, 11, 11, 0, 15 );
Simon Cooksey 0:fb7af294d5d9 276 P2( D, E, A, B, C, 6, 8, 3, 13 );
Simon Cooksey 0:fb7af294d5d9 277 P2( C, D, E, A, B, 15, 5, 9, 11 );
Simon Cooksey 0:fb7af294d5d9 278 P2( B, C, D, E, A, 13, 6, 11, 11 );
Simon Cooksey 0:fb7af294d5d9 279 #undef F
Simon Cooksey 0:fb7af294d5d9 280 #undef K
Simon Cooksey 0:fb7af294d5d9 281 #undef Fp
Simon Cooksey 0:fb7af294d5d9 282 #undef Kp
Simon Cooksey 0:fb7af294d5d9 283
Simon Cooksey 0:fb7af294d5d9 284 C = ctx->state[1] + C + Dp;
Simon Cooksey 0:fb7af294d5d9 285 ctx->state[1] = ctx->state[2] + D + Ep;
Simon Cooksey 0:fb7af294d5d9 286 ctx->state[2] = ctx->state[3] + E + Ap;
Simon Cooksey 0:fb7af294d5d9 287 ctx->state[3] = ctx->state[4] + A + Bp;
Simon Cooksey 0:fb7af294d5d9 288 ctx->state[4] = ctx->state[0] + B + Cp;
Simon Cooksey 0:fb7af294d5d9 289 ctx->state[0] = C;
Simon Cooksey 0:fb7af294d5d9 290 }
Simon Cooksey 0:fb7af294d5d9 291 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
Simon Cooksey 0:fb7af294d5d9 292
Simon Cooksey 0:fb7af294d5d9 293 /*
Simon Cooksey 0:fb7af294d5d9 294 * RIPEMD-160 process buffer
Simon Cooksey 0:fb7af294d5d9 295 */
Simon Cooksey 0:fb7af294d5d9 296 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
Simon Cooksey 0:fb7af294d5d9 297 const unsigned char *input, size_t ilen )
Simon Cooksey 0:fb7af294d5d9 298 {
Simon Cooksey 0:fb7af294d5d9 299 size_t fill;
Simon Cooksey 0:fb7af294d5d9 300 uint32_t left;
Simon Cooksey 0:fb7af294d5d9 301
Simon Cooksey 0:fb7af294d5d9 302 if( ilen == 0 )
Simon Cooksey 0:fb7af294d5d9 303 return;
Simon Cooksey 0:fb7af294d5d9 304
Simon Cooksey 0:fb7af294d5d9 305 left = ctx->total[0] & 0x3F;
Simon Cooksey 0:fb7af294d5d9 306 fill = 64 - left;
Simon Cooksey 0:fb7af294d5d9 307
Simon Cooksey 0:fb7af294d5d9 308 ctx->total[0] += (uint32_t) ilen;
Simon Cooksey 0:fb7af294d5d9 309 ctx->total[0] &= 0xFFFFFFFF;
Simon Cooksey 0:fb7af294d5d9 310
Simon Cooksey 0:fb7af294d5d9 311 if( ctx->total[0] < (uint32_t) ilen )
Simon Cooksey 0:fb7af294d5d9 312 ctx->total[1]++;
Simon Cooksey 0:fb7af294d5d9 313
Simon Cooksey 0:fb7af294d5d9 314 if( left && ilen >= fill )
Simon Cooksey 0:fb7af294d5d9 315 {
Simon Cooksey 0:fb7af294d5d9 316 memcpy( (void *) (ctx->buffer + left), input, fill );
Simon Cooksey 0:fb7af294d5d9 317 mbedtls_ripemd160_process( ctx, ctx->buffer );
Simon Cooksey 0:fb7af294d5d9 318 input += fill;
Simon Cooksey 0:fb7af294d5d9 319 ilen -= fill;
Simon Cooksey 0:fb7af294d5d9 320 left = 0;
Simon Cooksey 0:fb7af294d5d9 321 }
Simon Cooksey 0:fb7af294d5d9 322
Simon Cooksey 0:fb7af294d5d9 323 while( ilen >= 64 )
Simon Cooksey 0:fb7af294d5d9 324 {
Simon Cooksey 0:fb7af294d5d9 325 mbedtls_ripemd160_process( ctx, input );
Simon Cooksey 0:fb7af294d5d9 326 input += 64;
Simon Cooksey 0:fb7af294d5d9 327 ilen -= 64;
Simon Cooksey 0:fb7af294d5d9 328 }
Simon Cooksey 0:fb7af294d5d9 329
Simon Cooksey 0:fb7af294d5d9 330 if( ilen > 0 )
Simon Cooksey 0:fb7af294d5d9 331 {
Simon Cooksey 0:fb7af294d5d9 332 memcpy( (void *) (ctx->buffer + left), input, ilen );
Simon Cooksey 0:fb7af294d5d9 333 }
Simon Cooksey 0:fb7af294d5d9 334 }
Simon Cooksey 0:fb7af294d5d9 335
Simon Cooksey 0:fb7af294d5d9 336 static const unsigned char ripemd160_padding[64] =
Simon Cooksey 0:fb7af294d5d9 337 {
Simon Cooksey 0:fb7af294d5d9 338 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Simon Cooksey 0:fb7af294d5d9 339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Simon Cooksey 0:fb7af294d5d9 340 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Simon Cooksey 0:fb7af294d5d9 341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Simon Cooksey 0:fb7af294d5d9 342 };
Simon Cooksey 0:fb7af294d5d9 343
Simon Cooksey 0:fb7af294d5d9 344 /*
Simon Cooksey 0:fb7af294d5d9 345 * RIPEMD-160 final digest
Simon Cooksey 0:fb7af294d5d9 346 */
Simon Cooksey 0:fb7af294d5d9 347 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
Simon Cooksey 0:fb7af294d5d9 348 {
Simon Cooksey 0:fb7af294d5d9 349 uint32_t last, padn;
Simon Cooksey 0:fb7af294d5d9 350 uint32_t high, low;
Simon Cooksey 0:fb7af294d5d9 351 unsigned char msglen[8];
Simon Cooksey 0:fb7af294d5d9 352
Simon Cooksey 0:fb7af294d5d9 353 high = ( ctx->total[0] >> 29 )
Simon Cooksey 0:fb7af294d5d9 354 | ( ctx->total[1] << 3 );
Simon Cooksey 0:fb7af294d5d9 355 low = ( ctx->total[0] << 3 );
Simon Cooksey 0:fb7af294d5d9 356
Simon Cooksey 0:fb7af294d5d9 357 PUT_UINT32_LE( low, msglen, 0 );
Simon Cooksey 0:fb7af294d5d9 358 PUT_UINT32_LE( high, msglen, 4 );
Simon Cooksey 0:fb7af294d5d9 359
Simon Cooksey 0:fb7af294d5d9 360 last = ctx->total[0] & 0x3F;
Simon Cooksey 0:fb7af294d5d9 361 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
Simon Cooksey 0:fb7af294d5d9 362
Simon Cooksey 0:fb7af294d5d9 363 mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
Simon Cooksey 0:fb7af294d5d9 364 mbedtls_ripemd160_update( ctx, msglen, 8 );
Simon Cooksey 0:fb7af294d5d9 365
Simon Cooksey 0:fb7af294d5d9 366 PUT_UINT32_LE( ctx->state[0], output, 0 );
Simon Cooksey 0:fb7af294d5d9 367 PUT_UINT32_LE( ctx->state[1], output, 4 );
Simon Cooksey 0:fb7af294d5d9 368 PUT_UINT32_LE( ctx->state[2], output, 8 );
Simon Cooksey 0:fb7af294d5d9 369 PUT_UINT32_LE( ctx->state[3], output, 12 );
Simon Cooksey 0:fb7af294d5d9 370 PUT_UINT32_LE( ctx->state[4], output, 16 );
Simon Cooksey 0:fb7af294d5d9 371 }
Simon Cooksey 0:fb7af294d5d9 372
Simon Cooksey 0:fb7af294d5d9 373 /*
Simon Cooksey 0:fb7af294d5d9 374 * output = RIPEMD-160( input buffer )
Simon Cooksey 0:fb7af294d5d9 375 */
Simon Cooksey 0:fb7af294d5d9 376 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
Simon Cooksey 0:fb7af294d5d9 377 unsigned char output[20] )
Simon Cooksey 0:fb7af294d5d9 378 {
Simon Cooksey 0:fb7af294d5d9 379 mbedtls_ripemd160_context ctx;
Simon Cooksey 0:fb7af294d5d9 380
Simon Cooksey 0:fb7af294d5d9 381 mbedtls_ripemd160_init( &ctx );
Simon Cooksey 0:fb7af294d5d9 382 mbedtls_ripemd160_starts( &ctx );
Simon Cooksey 0:fb7af294d5d9 383 mbedtls_ripemd160_update( &ctx, input, ilen );
Simon Cooksey 0:fb7af294d5d9 384 mbedtls_ripemd160_finish( &ctx, output );
Simon Cooksey 0:fb7af294d5d9 385 mbedtls_ripemd160_free( &ctx );
Simon Cooksey 0:fb7af294d5d9 386 }
Simon Cooksey 0:fb7af294d5d9 387
Simon Cooksey 0:fb7af294d5d9 388 #if defined(MBEDTLS_SELF_TEST)
Simon Cooksey 0:fb7af294d5d9 389 /*
Simon Cooksey 0:fb7af294d5d9 390 * Test vectors from the RIPEMD-160 paper and
Simon Cooksey 0:fb7af294d5d9 391 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
Simon Cooksey 0:fb7af294d5d9 392 */
Simon Cooksey 0:fb7af294d5d9 393 #define TESTS 8
Simon Cooksey 0:fb7af294d5d9 394 #define KEYS 2
Simon Cooksey 0:fb7af294d5d9 395 static const char *ripemd160_test_input[TESTS] =
Simon Cooksey 0:fb7af294d5d9 396 {
Simon Cooksey 0:fb7af294d5d9 397 "",
Simon Cooksey 0:fb7af294d5d9 398 "a",
Simon Cooksey 0:fb7af294d5d9 399 "abc",
Simon Cooksey 0:fb7af294d5d9 400 "message digest",
Simon Cooksey 0:fb7af294d5d9 401 "abcdefghijklmnopqrstuvwxyz",
Simon Cooksey 0:fb7af294d5d9 402 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
Simon Cooksey 0:fb7af294d5d9 403 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
Simon Cooksey 0:fb7af294d5d9 404 "1234567890123456789012345678901234567890"
Simon Cooksey 0:fb7af294d5d9 405 "1234567890123456789012345678901234567890",
Simon Cooksey 0:fb7af294d5d9 406 };
Simon Cooksey 0:fb7af294d5d9 407
Simon Cooksey 0:fb7af294d5d9 408 static const unsigned char ripemd160_test_md[TESTS][20] =
Simon Cooksey 0:fb7af294d5d9 409 {
Simon Cooksey 0:fb7af294d5d9 410 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
Simon Cooksey 0:fb7af294d5d9 411 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
Simon Cooksey 0:fb7af294d5d9 412 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
Simon Cooksey 0:fb7af294d5d9 413 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
Simon Cooksey 0:fb7af294d5d9 414 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
Simon Cooksey 0:fb7af294d5d9 415 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
Simon Cooksey 0:fb7af294d5d9 416 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
Simon Cooksey 0:fb7af294d5d9 417 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
Simon Cooksey 0:fb7af294d5d9 418 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
Simon Cooksey 0:fb7af294d5d9 419 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
Simon Cooksey 0:fb7af294d5d9 420 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
Simon Cooksey 0:fb7af294d5d9 421 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
Simon Cooksey 0:fb7af294d5d9 422 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
Simon Cooksey 0:fb7af294d5d9 423 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
Simon Cooksey 0:fb7af294d5d9 424 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
Simon Cooksey 0:fb7af294d5d9 425 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
Simon Cooksey 0:fb7af294d5d9 426 };
Simon Cooksey 0:fb7af294d5d9 427
Simon Cooksey 0:fb7af294d5d9 428 /*
Simon Cooksey 0:fb7af294d5d9 429 * Checkup routine
Simon Cooksey 0:fb7af294d5d9 430 */
Simon Cooksey 0:fb7af294d5d9 431 int mbedtls_ripemd160_self_test( int verbose )
Simon Cooksey 0:fb7af294d5d9 432 {
Simon Cooksey 0:fb7af294d5d9 433 int i;
Simon Cooksey 0:fb7af294d5d9 434 unsigned char output[20];
Simon Cooksey 0:fb7af294d5d9 435
Simon Cooksey 0:fb7af294d5d9 436 memset( output, 0, sizeof output );
Simon Cooksey 0:fb7af294d5d9 437
Simon Cooksey 0:fb7af294d5d9 438 for( i = 0; i < TESTS; i++ )
Simon Cooksey 0:fb7af294d5d9 439 {
Simon Cooksey 0:fb7af294d5d9 440 if( verbose != 0 )
Simon Cooksey 0:fb7af294d5d9 441 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
Simon Cooksey 0:fb7af294d5d9 442
Simon Cooksey 0:fb7af294d5d9 443 mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
Simon Cooksey 0:fb7af294d5d9 444 strlen( ripemd160_test_input[i] ),
Simon Cooksey 0:fb7af294d5d9 445 output );
Simon Cooksey 0:fb7af294d5d9 446
Simon Cooksey 0:fb7af294d5d9 447 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
Simon Cooksey 0:fb7af294d5d9 448 {
Simon Cooksey 0:fb7af294d5d9 449 if( verbose != 0 )
Simon Cooksey 0:fb7af294d5d9 450 mbedtls_printf( "failed\n" );
Simon Cooksey 0:fb7af294d5d9 451
Simon Cooksey 0:fb7af294d5d9 452 return( 1 );
Simon Cooksey 0:fb7af294d5d9 453 }
Simon Cooksey 0:fb7af294d5d9 454
Simon Cooksey 0:fb7af294d5d9 455 if( verbose != 0 )
Simon Cooksey 0:fb7af294d5d9 456 mbedtls_printf( "passed\n" );
Simon Cooksey 0:fb7af294d5d9 457 }
Simon Cooksey 0:fb7af294d5d9 458
Simon Cooksey 0:fb7af294d5d9 459 if( verbose != 0 )
Simon Cooksey 0:fb7af294d5d9 460 mbedtls_printf( "\n" );
Simon Cooksey 0:fb7af294d5d9 461
Simon Cooksey 0:fb7af294d5d9 462 return( 0 );
Simon Cooksey 0:fb7af294d5d9 463 }
Simon Cooksey 0:fb7af294d5d9 464
Simon Cooksey 0:fb7af294d5d9 465 #endif /* MBEDTLS_SELF_TEST */
Simon Cooksey 0:fb7af294d5d9 466
Simon Cooksey 0:fb7af294d5d9 467 #endif /* MBEDTLS_RIPEMD160_C */