EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

features/mbedtls/src/ripemd160.c@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /*
be_bryan 0:b74591d5ab33 2 * RIPE MD-160 implementation
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
be_bryan 0:b74591d5ab33 5 * SPDX-License-Identifier: Apache-2.0
be_bryan 0:b74591d5ab33 6 *
be_bryan 0:b74591d5ab33 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
be_bryan 0:b74591d5ab33 8 * not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 9 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 10 *
be_bryan 0:b74591d5ab33 11 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 12 *
be_bryan 0:b74591d5ab33 13 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
be_bryan 0:b74591d5ab33 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 16 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 17 * limitations under the License.
be_bryan 0:b74591d5ab33 18 *
be_bryan 0:b74591d5ab33 19 * This file is part of mbed TLS (https://tls.mbed.org)
be_bryan 0:b74591d5ab33 20 */
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 /*
be_bryan 0:b74591d5ab33 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
be_bryan 0:b74591d5ab33 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
be_bryan 0:b74591d5ab33 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
be_bryan 0:b74591d5ab33 26 */
be_bryan 0:b74591d5ab33 27
be_bryan 0:b74591d5ab33 28 #if !defined(MBEDTLS_CONFIG_FILE)
be_bryan 0:b74591d5ab33 29 #include "mbedtls/config.h"
be_bryan 0:b74591d5ab33 30 #else
be_bryan 0:b74591d5ab33 31 #include MBEDTLS_CONFIG_FILE
be_bryan 0:b74591d5ab33 32 #endif
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 #if defined(MBEDTLS_RIPEMD160_C)
be_bryan 0:b74591d5ab33 35
be_bryan 0:b74591d5ab33 36 #include "mbedtls/ripemd160.h"
be_bryan 0:b74591d5ab33 37
be_bryan 0:b74591d5ab33 38 #include <string.h>
be_bryan 0:b74591d5ab33 39
be_bryan 0:b74591d5ab33 40 #if defined(MBEDTLS_SELF_TEST)
be_bryan 0:b74591d5ab33 41 #if defined(MBEDTLS_PLATFORM_C)
be_bryan 0:b74591d5ab33 42 #include "mbedtls/platform.h"
be_bryan 0:b74591d5ab33 43 #else
be_bryan 0:b74591d5ab33 44 #include <stdio.h>
be_bryan 0:b74591d5ab33 45 #define mbedtls_printf printf
be_bryan 0:b74591d5ab33 46 #endif /* MBEDTLS_PLATFORM_C */
be_bryan 0:b74591d5ab33 47 #endif /* MBEDTLS_SELF_TEST */
be_bryan 0:b74591d5ab33 48
be_bryan 0:b74591d5ab33 49 /*
be_bryan 0:b74591d5ab33 50 * 32-bit integer manipulation macros (little endian)
be_bryan 0:b74591d5ab33 51 */
be_bryan 0:b74591d5ab33 52 #ifndef GET_UINT32_LE
be_bryan 0:b74591d5ab33 53 #define GET_UINT32_LE(n,b,i) \
be_bryan 0:b74591d5ab33 54 { \
be_bryan 0:b74591d5ab33 55 (n) = ( (uint32_t) (b)[(i) ] ) \
be_bryan 0:b74591d5ab33 56 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
be_bryan 0:b74591d5ab33 57 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
be_bryan 0:b74591d5ab33 58 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
be_bryan 0:b74591d5ab33 59 }
be_bryan 0:b74591d5ab33 60 #endif
be_bryan 0:b74591d5ab33 61
be_bryan 0:b74591d5ab33 62 #ifndef PUT_UINT32_LE
be_bryan 0:b74591d5ab33 63 #define PUT_UINT32_LE(n,b,i) \
be_bryan 0:b74591d5ab33 64 { \
be_bryan 0:b74591d5ab33 65 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
be_bryan 0:b74591d5ab33 66 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 67 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 68 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 69 }
be_bryan 0:b74591d5ab33 70 #endif
be_bryan 0:b74591d5ab33 71
be_bryan 0:b74591d5ab33 72 /* Implementation that should never be optimized out by the compiler */
be_bryan 0:b74591d5ab33 73 static void mbedtls_zeroize( void *v, size_t n ) {
be_bryan 0:b74591d5ab33 74 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
be_bryan 0:b74591d5ab33 75 }
be_bryan 0:b74591d5ab33 76
be_bryan 0:b74591d5ab33 77 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
be_bryan 0:b74591d5ab33 78 {
be_bryan 0:b74591d5ab33 79 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
be_bryan 0:b74591d5ab33 80 }
be_bryan 0:b74591d5ab33 81
be_bryan 0:b74591d5ab33 82 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
be_bryan 0:b74591d5ab33 83 {
be_bryan 0:b74591d5ab33 84 if( ctx == NULL )
be_bryan 0:b74591d5ab33 85 return;
be_bryan 0:b74591d5ab33 86
be_bryan 0:b74591d5ab33 87 mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
be_bryan 0:b74591d5ab33 88 }
be_bryan 0:b74591d5ab33 89
be_bryan 0:b74591d5ab33 90 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
be_bryan 0:b74591d5ab33 91 const mbedtls_ripemd160_context *src )
be_bryan 0:b74591d5ab33 92 {
be_bryan 0:b74591d5ab33 93 *dst = *src;
be_bryan 0:b74591d5ab33 94 }
be_bryan 0:b74591d5ab33 95
be_bryan 0:b74591d5ab33 96 /*
be_bryan 0:b74591d5ab33 97 * RIPEMD-160 context setup
be_bryan 0:b74591d5ab33 98 */
be_bryan 0:b74591d5ab33 99 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
be_bryan 0:b74591d5ab33 100 {
be_bryan 0:b74591d5ab33 101 ctx->total[0] = 0;
be_bryan 0:b74591d5ab33 102 ctx->total[1] = 0;
be_bryan 0:b74591d5ab33 103
be_bryan 0:b74591d5ab33 104 ctx->state[0] = 0x67452301;
be_bryan 0:b74591d5ab33 105 ctx->state[1] = 0xEFCDAB89;
be_bryan 0:b74591d5ab33 106 ctx->state[2] = 0x98BADCFE;
be_bryan 0:b74591d5ab33 107 ctx->state[3] = 0x10325476;
be_bryan 0:b74591d5ab33 108 ctx->state[4] = 0xC3D2E1F0;
be_bryan 0:b74591d5ab33 109 }
be_bryan 0:b74591d5ab33 110
be_bryan 0:b74591d5ab33 111 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
be_bryan 0:b74591d5ab33 112 /*
be_bryan 0:b74591d5ab33 113 * Process one block
be_bryan 0:b74591d5ab33 114 */
be_bryan 0:b74591d5ab33 115 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
be_bryan 0:b74591d5ab33 116 {
be_bryan 0:b74591d5ab33 117 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
be_bryan 0:b74591d5ab33 118
be_bryan 0:b74591d5ab33 119 GET_UINT32_LE( X[ 0], data, 0 );
be_bryan 0:b74591d5ab33 120 GET_UINT32_LE( X[ 1], data, 4 );
be_bryan 0:b74591d5ab33 121 GET_UINT32_LE( X[ 2], data, 8 );
be_bryan 0:b74591d5ab33 122 GET_UINT32_LE( X[ 3], data, 12 );
be_bryan 0:b74591d5ab33 123 GET_UINT32_LE( X[ 4], data, 16 );
be_bryan 0:b74591d5ab33 124 GET_UINT32_LE( X[ 5], data, 20 );
be_bryan 0:b74591d5ab33 125 GET_UINT32_LE( X[ 6], data, 24 );
be_bryan 0:b74591d5ab33 126 GET_UINT32_LE( X[ 7], data, 28 );
be_bryan 0:b74591d5ab33 127 GET_UINT32_LE( X[ 8], data, 32 );
be_bryan 0:b74591d5ab33 128 GET_UINT32_LE( X[ 9], data, 36 );
be_bryan 0:b74591d5ab33 129 GET_UINT32_LE( X[10], data, 40 );
be_bryan 0:b74591d5ab33 130 GET_UINT32_LE( X[11], data, 44 );
be_bryan 0:b74591d5ab33 131 GET_UINT32_LE( X[12], data, 48 );
be_bryan 0:b74591d5ab33 132 GET_UINT32_LE( X[13], data, 52 );
be_bryan 0:b74591d5ab33 133 GET_UINT32_LE( X[14], data, 56 );
be_bryan 0:b74591d5ab33 134 GET_UINT32_LE( X[15], data, 60 );
be_bryan 0:b74591d5ab33 135
be_bryan 0:b74591d5ab33 136 A = Ap = ctx->state[0];
be_bryan 0:b74591d5ab33 137 B = Bp = ctx->state[1];
be_bryan 0:b74591d5ab33 138 C = Cp = ctx->state[2];
be_bryan 0:b74591d5ab33 139 D = Dp = ctx->state[3];
be_bryan 0:b74591d5ab33 140 E = Ep = ctx->state[4];
be_bryan 0:b74591d5ab33 141
be_bryan 0:b74591d5ab33 142 #define F1( x, y, z ) ( x ^ y ^ z )
be_bryan 0:b74591d5ab33 143 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
be_bryan 0:b74591d5ab33 144 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
be_bryan 0:b74591d5ab33 145 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
be_bryan 0:b74591d5ab33 146 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
be_bryan 0:b74591d5ab33 147
be_bryan 0:b74591d5ab33 148 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
be_bryan 0:b74591d5ab33 149
be_bryan 0:b74591d5ab33 150 #define P( a, b, c, d, e, r, s, f, k ) \
be_bryan 0:b74591d5ab33 151 a += f( b, c, d ) + X[r] + k; \
be_bryan 0:b74591d5ab33 152 a = S( a, s ) + e; \
be_bryan 0:b74591d5ab33 153 c = S( c, 10 );
be_bryan 0:b74591d5ab33 154
be_bryan 0:b74591d5ab33 155 #define P2( a, b, c, d, e, r, s, rp, sp ) \
be_bryan 0:b74591d5ab33 156 P( a, b, c, d, e, r, s, F, K ); \
be_bryan 0:b74591d5ab33 157 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
be_bryan 0:b74591d5ab33 158
be_bryan 0:b74591d5ab33 159 #define F F1
be_bryan 0:b74591d5ab33 160 #define K 0x00000000
be_bryan 0:b74591d5ab33 161 #define Fp F5
be_bryan 0:b74591d5ab33 162 #define Kp 0x50A28BE6
be_bryan 0:b74591d5ab33 163 P2( A, B, C, D, E, 0, 11, 5, 8 );
be_bryan 0:b74591d5ab33 164 P2( E, A, B, C, D, 1, 14, 14, 9 );
be_bryan 0:b74591d5ab33 165 P2( D, E, A, B, C, 2, 15, 7, 9 );
be_bryan 0:b74591d5ab33 166 P2( C, D, E, A, B, 3, 12, 0, 11 );
be_bryan 0:b74591d5ab33 167 P2( B, C, D, E, A, 4, 5, 9, 13 );
be_bryan 0:b74591d5ab33 168 P2( A, B, C, D, E, 5, 8, 2, 15 );
be_bryan 0:b74591d5ab33 169 P2( E, A, B, C, D, 6, 7, 11, 15 );
be_bryan 0:b74591d5ab33 170 P2( D, E, A, B, C, 7, 9, 4, 5 );
be_bryan 0:b74591d5ab33 171 P2( C, D, E, A, B, 8, 11, 13, 7 );
be_bryan 0:b74591d5ab33 172 P2( B, C, D, E, A, 9, 13, 6, 7 );
be_bryan 0:b74591d5ab33 173 P2( A, B, C, D, E, 10, 14, 15, 8 );
be_bryan 0:b74591d5ab33 174 P2( E, A, B, C, D, 11, 15, 8, 11 );
be_bryan 0:b74591d5ab33 175 P2( D, E, A, B, C, 12, 6, 1, 14 );
be_bryan 0:b74591d5ab33 176 P2( C, D, E, A, B, 13, 7, 10, 14 );
be_bryan 0:b74591d5ab33 177 P2( B, C, D, E, A, 14, 9, 3, 12 );
be_bryan 0:b74591d5ab33 178 P2( A, B, C, D, E, 15, 8, 12, 6 );
be_bryan 0:b74591d5ab33 179 #undef F
be_bryan 0:b74591d5ab33 180 #undef K
be_bryan 0:b74591d5ab33 181 #undef Fp
be_bryan 0:b74591d5ab33 182 #undef Kp
be_bryan 0:b74591d5ab33 183
be_bryan 0:b74591d5ab33 184 #define F F2
be_bryan 0:b74591d5ab33 185 #define K 0x5A827999
be_bryan 0:b74591d5ab33 186 #define Fp F4
be_bryan 0:b74591d5ab33 187 #define Kp 0x5C4DD124
be_bryan 0:b74591d5ab33 188 P2( E, A, B, C, D, 7, 7, 6, 9 );
be_bryan 0:b74591d5ab33 189 P2( D, E, A, B, C, 4, 6, 11, 13 );
be_bryan 0:b74591d5ab33 190 P2( C, D, E, A, B, 13, 8, 3, 15 );
be_bryan 0:b74591d5ab33 191 P2( B, C, D, E, A, 1, 13, 7, 7 );
be_bryan 0:b74591d5ab33 192 P2( A, B, C, D, E, 10, 11, 0, 12 );
be_bryan 0:b74591d5ab33 193 P2( E, A, B, C, D, 6, 9, 13, 8 );
be_bryan 0:b74591d5ab33 194 P2( D, E, A, B, C, 15, 7, 5, 9 );
be_bryan 0:b74591d5ab33 195 P2( C, D, E, A, B, 3, 15, 10, 11 );
be_bryan 0:b74591d5ab33 196 P2( B, C, D, E, A, 12, 7, 14, 7 );
be_bryan 0:b74591d5ab33 197 P2( A, B, C, D, E, 0, 12, 15, 7 );
be_bryan 0:b74591d5ab33 198 P2( E, A, B, C, D, 9, 15, 8, 12 );
be_bryan 0:b74591d5ab33 199 P2( D, E, A, B, C, 5, 9, 12, 7 );
be_bryan 0:b74591d5ab33 200 P2( C, D, E, A, B, 2, 11, 4, 6 );
be_bryan 0:b74591d5ab33 201 P2( B, C, D, E, A, 14, 7, 9, 15 );
be_bryan 0:b74591d5ab33 202 P2( A, B, C, D, E, 11, 13, 1, 13 );
be_bryan 0:b74591d5ab33 203 P2( E, A, B, C, D, 8, 12, 2, 11 );
be_bryan 0:b74591d5ab33 204 #undef F
be_bryan 0:b74591d5ab33 205 #undef K
be_bryan 0:b74591d5ab33 206 #undef Fp
be_bryan 0:b74591d5ab33 207 #undef Kp
be_bryan 0:b74591d5ab33 208
be_bryan 0:b74591d5ab33 209 #define F F3
be_bryan 0:b74591d5ab33 210 #define K 0x6ED9EBA1
be_bryan 0:b74591d5ab33 211 #define Fp F3
be_bryan 0:b74591d5ab33 212 #define Kp 0x6D703EF3
be_bryan 0:b74591d5ab33 213 P2( D, E, A, B, C, 3, 11, 15, 9 );
be_bryan 0:b74591d5ab33 214 P2( C, D, E, A, B, 10, 13, 5, 7 );
be_bryan 0:b74591d5ab33 215 P2( B, C, D, E, A, 14, 6, 1, 15 );
be_bryan 0:b74591d5ab33 216 P2( A, B, C, D, E, 4, 7, 3, 11 );
be_bryan 0:b74591d5ab33 217 P2( E, A, B, C, D, 9, 14, 7, 8 );
be_bryan 0:b74591d5ab33 218 P2( D, E, A, B, C, 15, 9, 14, 6 );
be_bryan 0:b74591d5ab33 219 P2( C, D, E, A, B, 8, 13, 6, 6 );
be_bryan 0:b74591d5ab33 220 P2( B, C, D, E, A, 1, 15, 9, 14 );
be_bryan 0:b74591d5ab33 221 P2( A, B, C, D, E, 2, 14, 11, 12 );
be_bryan 0:b74591d5ab33 222 P2( E, A, B, C, D, 7, 8, 8, 13 );
be_bryan 0:b74591d5ab33 223 P2( D, E, A, B, C, 0, 13, 12, 5 );
be_bryan 0:b74591d5ab33 224 P2( C, D, E, A, B, 6, 6, 2, 14 );
be_bryan 0:b74591d5ab33 225 P2( B, C, D, E, A, 13, 5, 10, 13 );
be_bryan 0:b74591d5ab33 226 P2( A, B, C, D, E, 11, 12, 0, 13 );
be_bryan 0:b74591d5ab33 227 P2( E, A, B, C, D, 5, 7, 4, 7 );
be_bryan 0:b74591d5ab33 228 P2( D, E, A, B, C, 12, 5, 13, 5 );
be_bryan 0:b74591d5ab33 229 #undef F
be_bryan 0:b74591d5ab33 230 #undef K
be_bryan 0:b74591d5ab33 231 #undef Fp
be_bryan 0:b74591d5ab33 232 #undef Kp
be_bryan 0:b74591d5ab33 233
be_bryan 0:b74591d5ab33 234 #define F F4
be_bryan 0:b74591d5ab33 235 #define K 0x8F1BBCDC
be_bryan 0:b74591d5ab33 236 #define Fp F2
be_bryan 0:b74591d5ab33 237 #define Kp 0x7A6D76E9
be_bryan 0:b74591d5ab33 238 P2( C, D, E, A, B, 1, 11, 8, 15 );
be_bryan 0:b74591d5ab33 239 P2( B, C, D, E, A, 9, 12, 6, 5 );
be_bryan 0:b74591d5ab33 240 P2( A, B, C, D, E, 11, 14, 4, 8 );
be_bryan 0:b74591d5ab33 241 P2( E, A, B, C, D, 10, 15, 1, 11 );
be_bryan 0:b74591d5ab33 242 P2( D, E, A, B, C, 0, 14, 3, 14 );
be_bryan 0:b74591d5ab33 243 P2( C, D, E, A, B, 8, 15, 11, 14 );
be_bryan 0:b74591d5ab33 244 P2( B, C, D, E, A, 12, 9, 15, 6 );
be_bryan 0:b74591d5ab33 245 P2( A, B, C, D, E, 4, 8, 0, 14 );
be_bryan 0:b74591d5ab33 246 P2( E, A, B, C, D, 13, 9, 5, 6 );
be_bryan 0:b74591d5ab33 247 P2( D, E, A, B, C, 3, 14, 12, 9 );
be_bryan 0:b74591d5ab33 248 P2( C, D, E, A, B, 7, 5, 2, 12 );
be_bryan 0:b74591d5ab33 249 P2( B, C, D, E, A, 15, 6, 13, 9 );
be_bryan 0:b74591d5ab33 250 P2( A, B, C, D, E, 14, 8, 9, 12 );
be_bryan 0:b74591d5ab33 251 P2( E, A, B, C, D, 5, 6, 7, 5 );
be_bryan 0:b74591d5ab33 252 P2( D, E, A, B, C, 6, 5, 10, 15 );
be_bryan 0:b74591d5ab33 253 P2( C, D, E, A, B, 2, 12, 14, 8 );
be_bryan 0:b74591d5ab33 254 #undef F
be_bryan 0:b74591d5ab33 255 #undef K
be_bryan 0:b74591d5ab33 256 #undef Fp
be_bryan 0:b74591d5ab33 257 #undef Kp
be_bryan 0:b74591d5ab33 258
be_bryan 0:b74591d5ab33 259 #define F F5
be_bryan 0:b74591d5ab33 260 #define K 0xA953FD4E
be_bryan 0:b74591d5ab33 261 #define Fp F1
be_bryan 0:b74591d5ab33 262 #define Kp 0x00000000
be_bryan 0:b74591d5ab33 263 P2( B, C, D, E, A, 4, 9, 12, 8 );
be_bryan 0:b74591d5ab33 264 P2( A, B, C, D, E, 0, 15, 15, 5 );
be_bryan 0:b74591d5ab33 265 P2( E, A, B, C, D, 5, 5, 10, 12 );
be_bryan 0:b74591d5ab33 266 P2( D, E, A, B, C, 9, 11, 4, 9 );
be_bryan 0:b74591d5ab33 267 P2( C, D, E, A, B, 7, 6, 1, 12 );
be_bryan 0:b74591d5ab33 268 P2( B, C, D, E, A, 12, 8, 5, 5 );
be_bryan 0:b74591d5ab33 269 P2( A, B, C, D, E, 2, 13, 8, 14 );
be_bryan 0:b74591d5ab33 270 P2( E, A, B, C, D, 10, 12, 7, 6 );
be_bryan 0:b74591d5ab33 271 P2( D, E, A, B, C, 14, 5, 6, 8 );
be_bryan 0:b74591d5ab33 272 P2( C, D, E, A, B, 1, 12, 2, 13 );
be_bryan 0:b74591d5ab33 273 P2( B, C, D, E, A, 3, 13, 13, 6 );
be_bryan 0:b74591d5ab33 274 P2( A, B, C, D, E, 8, 14, 14, 5 );
be_bryan 0:b74591d5ab33 275 P2( E, A, B, C, D, 11, 11, 0, 15 );
be_bryan 0:b74591d5ab33 276 P2( D, E, A, B, C, 6, 8, 3, 13 );
be_bryan 0:b74591d5ab33 277 P2( C, D, E, A, B, 15, 5, 9, 11 );
be_bryan 0:b74591d5ab33 278 P2( B, C, D, E, A, 13, 6, 11, 11 );
be_bryan 0:b74591d5ab33 279 #undef F
be_bryan 0:b74591d5ab33 280 #undef K
be_bryan 0:b74591d5ab33 281 #undef Fp
be_bryan 0:b74591d5ab33 282 #undef Kp
be_bryan 0:b74591d5ab33 283
be_bryan 0:b74591d5ab33 284 C = ctx->state[1] + C + Dp;
be_bryan 0:b74591d5ab33 285 ctx->state[1] = ctx->state[2] + D + Ep;
be_bryan 0:b74591d5ab33 286 ctx->state[2] = ctx->state[3] + E + Ap;
be_bryan 0:b74591d5ab33 287 ctx->state[3] = ctx->state[4] + A + Bp;
be_bryan 0:b74591d5ab33 288 ctx->state[4] = ctx->state[0] + B + Cp;
be_bryan 0:b74591d5ab33 289 ctx->state[0] = C;
be_bryan 0:b74591d5ab33 290 }
be_bryan 0:b74591d5ab33 291 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
be_bryan 0:b74591d5ab33 292
be_bryan 0:b74591d5ab33 293 /*
be_bryan 0:b74591d5ab33 294 * RIPEMD-160 process buffer
be_bryan 0:b74591d5ab33 295 */
be_bryan 0:b74591d5ab33 296 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
be_bryan 0:b74591d5ab33 297 const unsigned char *input, size_t ilen )
be_bryan 0:b74591d5ab33 298 {
be_bryan 0:b74591d5ab33 299 size_t fill;
be_bryan 0:b74591d5ab33 300 uint32_t left;
be_bryan 0:b74591d5ab33 301
be_bryan 0:b74591d5ab33 302 if( ilen == 0 )
be_bryan 0:b74591d5ab33 303 return;
be_bryan 0:b74591d5ab33 304
be_bryan 0:b74591d5ab33 305 left = ctx->total[0] & 0x3F;
be_bryan 0:b74591d5ab33 306 fill = 64 - left;
be_bryan 0:b74591d5ab33 307
be_bryan 0:b74591d5ab33 308 ctx->total[0] += (uint32_t) ilen;
be_bryan 0:b74591d5ab33 309 ctx->total[0] &= 0xFFFFFFFF;
be_bryan 0:b74591d5ab33 310
be_bryan 0:b74591d5ab33 311 if( ctx->total[0] < (uint32_t) ilen )
be_bryan 0:b74591d5ab33 312 ctx->total[1]++;
be_bryan 0:b74591d5ab33 313
be_bryan 0:b74591d5ab33 314 if( left && ilen >= fill )
be_bryan 0:b74591d5ab33 315 {
be_bryan 0:b74591d5ab33 316 memcpy( (void *) (ctx->buffer + left), input, fill );
be_bryan 0:b74591d5ab33 317 mbedtls_ripemd160_process( ctx, ctx->buffer );
be_bryan 0:b74591d5ab33 318 input += fill;
be_bryan 0:b74591d5ab33 319 ilen -= fill;
be_bryan 0:b74591d5ab33 320 left = 0;
be_bryan 0:b74591d5ab33 321 }
be_bryan 0:b74591d5ab33 322
be_bryan 0:b74591d5ab33 323 while( ilen >= 64 )
be_bryan 0:b74591d5ab33 324 {
be_bryan 0:b74591d5ab33 325 mbedtls_ripemd160_process( ctx, input );
be_bryan 0:b74591d5ab33 326 input += 64;
be_bryan 0:b74591d5ab33 327 ilen -= 64;
be_bryan 0:b74591d5ab33 328 }
be_bryan 0:b74591d5ab33 329
be_bryan 0:b74591d5ab33 330 if( ilen > 0 )
be_bryan 0:b74591d5ab33 331 {
be_bryan 0:b74591d5ab33 332 memcpy( (void *) (ctx->buffer + left), input, ilen );
be_bryan 0:b74591d5ab33 333 }
be_bryan 0:b74591d5ab33 334 }
be_bryan 0:b74591d5ab33 335
be_bryan 0:b74591d5ab33 336 static const unsigned char ripemd160_padding[64] =
be_bryan 0:b74591d5ab33 337 {
be_bryan 0:b74591d5ab33 338 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 340 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
be_bryan 0:b74591d5ab33 342 };
be_bryan 0:b74591d5ab33 343
be_bryan 0:b74591d5ab33 344 /*
be_bryan 0:b74591d5ab33 345 * RIPEMD-160 final digest
be_bryan 0:b74591d5ab33 346 */
be_bryan 0:b74591d5ab33 347 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
be_bryan 0:b74591d5ab33 348 {
be_bryan 0:b74591d5ab33 349 uint32_t last, padn;
be_bryan 0:b74591d5ab33 350 uint32_t high, low;
be_bryan 0:b74591d5ab33 351 unsigned char msglen[8];
be_bryan 0:b74591d5ab33 352
be_bryan 0:b74591d5ab33 353 high = ( ctx->total[0] >> 29 )
be_bryan 0:b74591d5ab33 354 | ( ctx->total[1] << 3 );
be_bryan 0:b74591d5ab33 355 low = ( ctx->total[0] << 3 );
be_bryan 0:b74591d5ab33 356
be_bryan 0:b74591d5ab33 357 PUT_UINT32_LE( low, msglen, 0 );
be_bryan 0:b74591d5ab33 358 PUT_UINT32_LE( high, msglen, 4 );
be_bryan 0:b74591d5ab33 359
be_bryan 0:b74591d5ab33 360 last = ctx->total[0] & 0x3F;
be_bryan 0:b74591d5ab33 361 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
be_bryan 0:b74591d5ab33 362
be_bryan 0:b74591d5ab33 363 mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
be_bryan 0:b74591d5ab33 364 mbedtls_ripemd160_update( ctx, msglen, 8 );
be_bryan 0:b74591d5ab33 365
be_bryan 0:b74591d5ab33 366 PUT_UINT32_LE( ctx->state[0], output, 0 );
be_bryan 0:b74591d5ab33 367 PUT_UINT32_LE( ctx->state[1], output, 4 );
be_bryan 0:b74591d5ab33 368 PUT_UINT32_LE( ctx->state[2], output, 8 );
be_bryan 0:b74591d5ab33 369 PUT_UINT32_LE( ctx->state[3], output, 12 );
be_bryan 0:b74591d5ab33 370 PUT_UINT32_LE( ctx->state[4], output, 16 );
be_bryan 0:b74591d5ab33 371 }
be_bryan 0:b74591d5ab33 372
be_bryan 0:b74591d5ab33 373 /*
be_bryan 0:b74591d5ab33 374 * output = RIPEMD-160( input buffer )
be_bryan 0:b74591d5ab33 375 */
be_bryan 0:b74591d5ab33 376 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
be_bryan 0:b74591d5ab33 377 unsigned char output[20] )
be_bryan 0:b74591d5ab33 378 {
be_bryan 0:b74591d5ab33 379 mbedtls_ripemd160_context ctx;
be_bryan 0:b74591d5ab33 380
be_bryan 0:b74591d5ab33 381 mbedtls_ripemd160_init( &ctx );
be_bryan 0:b74591d5ab33 382 mbedtls_ripemd160_starts( &ctx );
be_bryan 0:b74591d5ab33 383 mbedtls_ripemd160_update( &ctx, input, ilen );
be_bryan 0:b74591d5ab33 384 mbedtls_ripemd160_finish( &ctx, output );
be_bryan 0:b74591d5ab33 385 mbedtls_ripemd160_free( &ctx );
be_bryan 0:b74591d5ab33 386 }
be_bryan 0:b74591d5ab33 387
be_bryan 0:b74591d5ab33 388 #if defined(MBEDTLS_SELF_TEST)
be_bryan 0:b74591d5ab33 389 /*
be_bryan 0:b74591d5ab33 390 * Test vectors from the RIPEMD-160 paper and
be_bryan 0:b74591d5ab33 391 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
be_bryan 0:b74591d5ab33 392 */
be_bryan 0:b74591d5ab33 393 #define TESTS 8
be_bryan 0:b74591d5ab33 394 #define KEYS 2
be_bryan 0:b74591d5ab33 395 static const char *ripemd160_test_input[TESTS] =
be_bryan 0:b74591d5ab33 396 {
be_bryan 0:b74591d5ab33 397 "",
be_bryan 0:b74591d5ab33 398 "a",
be_bryan 0:b74591d5ab33 399 "abc",
be_bryan 0:b74591d5ab33 400 "message digest",
be_bryan 0:b74591d5ab33 401 "abcdefghijklmnopqrstuvwxyz",
be_bryan 0:b74591d5ab33 402 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
be_bryan 0:b74591d5ab33 403 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
be_bryan 0:b74591d5ab33 404 "1234567890123456789012345678901234567890"
be_bryan 0:b74591d5ab33 405 "1234567890123456789012345678901234567890",
be_bryan 0:b74591d5ab33 406 };
be_bryan 0:b74591d5ab33 407
be_bryan 0:b74591d5ab33 408 static const unsigned char ripemd160_test_md[TESTS][20] =
be_bryan 0:b74591d5ab33 409 {
be_bryan 0:b74591d5ab33 410 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
be_bryan 0:b74591d5ab33 411 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
be_bryan 0:b74591d5ab33 412 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
be_bryan 0:b74591d5ab33 413 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
be_bryan 0:b74591d5ab33 414 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
be_bryan 0:b74591d5ab33 415 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
be_bryan 0:b74591d5ab33 416 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
be_bryan 0:b74591d5ab33 417 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
be_bryan 0:b74591d5ab33 418 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
be_bryan 0:b74591d5ab33 419 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
be_bryan 0:b74591d5ab33 420 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
be_bryan 0:b74591d5ab33 421 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
be_bryan 0:b74591d5ab33 422 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
be_bryan 0:b74591d5ab33 423 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
be_bryan 0:b74591d5ab33 424 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
be_bryan 0:b74591d5ab33 425 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
be_bryan 0:b74591d5ab33 426 };
be_bryan 0:b74591d5ab33 427
be_bryan 0:b74591d5ab33 428 /*
be_bryan 0:b74591d5ab33 429 * Checkup routine
be_bryan 0:b74591d5ab33 430 */
be_bryan 0:b74591d5ab33 431 int mbedtls_ripemd160_self_test( int verbose )
be_bryan 0:b74591d5ab33 432 {
be_bryan 0:b74591d5ab33 433 int i;
be_bryan 0:b74591d5ab33 434 unsigned char output[20];
be_bryan 0:b74591d5ab33 435
be_bryan 0:b74591d5ab33 436 memset( output, 0, sizeof output );
be_bryan 0:b74591d5ab33 437
be_bryan 0:b74591d5ab33 438 for( i = 0; i < TESTS; i++ )
be_bryan 0:b74591d5ab33 439 {
be_bryan 0:b74591d5ab33 440 if( verbose != 0 )
be_bryan 0:b74591d5ab33 441 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
be_bryan 0:b74591d5ab33 442
be_bryan 0:b74591d5ab33 443 mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
be_bryan 0:b74591d5ab33 444 strlen( ripemd160_test_input[i] ),
be_bryan 0:b74591d5ab33 445 output );
be_bryan 0:b74591d5ab33 446
be_bryan 0:b74591d5ab33 447 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
be_bryan 0:b74591d5ab33 448 {
be_bryan 0:b74591d5ab33 449 if( verbose != 0 )
be_bryan 0:b74591d5ab33 450 mbedtls_printf( "failed\n" );
be_bryan 0:b74591d5ab33 451
be_bryan 0:b74591d5ab33 452 return( 1 );
be_bryan 0:b74591d5ab33 453 }
be_bryan 0:b74591d5ab33 454
be_bryan 0:b74591d5ab33 455 if( verbose != 0 )
be_bryan 0:b74591d5ab33 456 mbedtls_printf( "passed\n" );
be_bryan 0:b74591d5ab33 457 }
be_bryan 0:b74591d5ab33 458
be_bryan 0:b74591d5ab33 459 if( verbose != 0 )
be_bryan 0:b74591d5ab33 460 mbedtls_printf( "\n" );
be_bryan 0:b74591d5ab33 461
be_bryan 0:b74591d5ab33 462 return( 0 );
be_bryan 0:b74591d5ab33 463 }
be_bryan 0:b74591d5ab33 464
be_bryan 0:b74591d5ab33 465 #endif /* MBEDTLS_SELF_TEST */
be_bryan 0:b74591d5ab33 466
be_bryan 0:b74591d5ab33 467 #endif /* MBEDTLS_RIPEMD160_C */