Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/features/mbedtls/src/ripemd160.c@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 /*
marcozecchini 0:9fca2b23d0ba 2 * RIPE MD-160 implementation
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
marcozecchini 0:9fca2b23d0ba 5 * SPDX-License-Identifier: Apache-2.0
marcozecchini 0:9fca2b23d0ba 6 *
marcozecchini 0:9fca2b23d0ba 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
marcozecchini 0:9fca2b23d0ba 8 * not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 9 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 10 *
marcozecchini 0:9fca2b23d0ba 11 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 12 *
marcozecchini 0:9fca2b23d0ba 13 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
marcozecchini 0:9fca2b23d0ba 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 16 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 17 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 18 *
marcozecchini 0:9fca2b23d0ba 19 * This file is part of mbed TLS (https://tls.mbed.org)
marcozecchini 0:9fca2b23d0ba 20 */
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 /*
marcozecchini 0:9fca2b23d0ba 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
marcozecchini 0:9fca2b23d0ba 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
marcozecchini 0:9fca2b23d0ba 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
marcozecchini 0:9fca2b23d0ba 26 */
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28 #if !defined(MBEDTLS_CONFIG_FILE)
marcozecchini 0:9fca2b23d0ba 29 #include "mbedtls/config.h"
marcozecchini 0:9fca2b23d0ba 30 #else
marcozecchini 0:9fca2b23d0ba 31 #include MBEDTLS_CONFIG_FILE
marcozecchini 0:9fca2b23d0ba 32 #endif
marcozecchini 0:9fca2b23d0ba 33
marcozecchini 0:9fca2b23d0ba 34 #if defined(MBEDTLS_RIPEMD160_C)
marcozecchini 0:9fca2b23d0ba 35
marcozecchini 0:9fca2b23d0ba 36 #include "mbedtls/ripemd160.h"
marcozecchini 0:9fca2b23d0ba 37
marcozecchini 0:9fca2b23d0ba 38 #include <string.h>
marcozecchini 0:9fca2b23d0ba 39
marcozecchini 0:9fca2b23d0ba 40 #if defined(MBEDTLS_SELF_TEST)
marcozecchini 0:9fca2b23d0ba 41 #if defined(MBEDTLS_PLATFORM_C)
marcozecchini 0:9fca2b23d0ba 42 #include "mbedtls/platform.h"
marcozecchini 0:9fca2b23d0ba 43 #else
marcozecchini 0:9fca2b23d0ba 44 #include <stdio.h>
marcozecchini 0:9fca2b23d0ba 45 #define mbedtls_printf printf
marcozecchini 0:9fca2b23d0ba 46 #endif /* MBEDTLS_PLATFORM_C */
marcozecchini 0:9fca2b23d0ba 47 #endif /* MBEDTLS_SELF_TEST */
marcozecchini 0:9fca2b23d0ba 48
marcozecchini 0:9fca2b23d0ba 49 /*
marcozecchini 0:9fca2b23d0ba 50 * 32-bit integer manipulation macros (little endian)
marcozecchini 0:9fca2b23d0ba 51 */
marcozecchini 0:9fca2b23d0ba 52 #ifndef GET_UINT32_LE
marcozecchini 0:9fca2b23d0ba 53 #define GET_UINT32_LE(n,b,i) \
marcozecchini 0:9fca2b23d0ba 54 { \
marcozecchini 0:9fca2b23d0ba 55 (n) = ( (uint32_t) (b)[(i) ] ) \
marcozecchini 0:9fca2b23d0ba 56 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
marcozecchini 0:9fca2b23d0ba 57 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
marcozecchini 0:9fca2b23d0ba 58 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
marcozecchini 0:9fca2b23d0ba 59 }
marcozecchini 0:9fca2b23d0ba 60 #endif
marcozecchini 0:9fca2b23d0ba 61
marcozecchini 0:9fca2b23d0ba 62 #ifndef PUT_UINT32_LE
marcozecchini 0:9fca2b23d0ba 63 #define PUT_UINT32_LE(n,b,i) \
marcozecchini 0:9fca2b23d0ba 64 { \
marcozecchini 0:9fca2b23d0ba 65 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
marcozecchini 0:9fca2b23d0ba 66 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
marcozecchini 0:9fca2b23d0ba 67 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
marcozecchini 0:9fca2b23d0ba 68 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
marcozecchini 0:9fca2b23d0ba 69 }
marcozecchini 0:9fca2b23d0ba 70 #endif
marcozecchini 0:9fca2b23d0ba 71
marcozecchini 0:9fca2b23d0ba 72 /* Implementation that should never be optimized out by the compiler */
marcozecchini 0:9fca2b23d0ba 73 static void mbedtls_zeroize( void *v, size_t n ) {
marcozecchini 0:9fca2b23d0ba 74 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
marcozecchini 0:9fca2b23d0ba 75 }
marcozecchini 0:9fca2b23d0ba 76
marcozecchini 0:9fca2b23d0ba 77 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
marcozecchini 0:9fca2b23d0ba 78 {
marcozecchini 0:9fca2b23d0ba 79 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
marcozecchini 0:9fca2b23d0ba 80 }
marcozecchini 0:9fca2b23d0ba 81
marcozecchini 0:9fca2b23d0ba 82 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
marcozecchini 0:9fca2b23d0ba 83 {
marcozecchini 0:9fca2b23d0ba 84 if( ctx == NULL )
marcozecchini 0:9fca2b23d0ba 85 return;
marcozecchini 0:9fca2b23d0ba 86
marcozecchini 0:9fca2b23d0ba 87 mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
marcozecchini 0:9fca2b23d0ba 88 }
marcozecchini 0:9fca2b23d0ba 89
marcozecchini 0:9fca2b23d0ba 90 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
marcozecchini 0:9fca2b23d0ba 91 const mbedtls_ripemd160_context *src )
marcozecchini 0:9fca2b23d0ba 92 {
marcozecchini 0:9fca2b23d0ba 93 *dst = *src;
marcozecchini 0:9fca2b23d0ba 94 }
marcozecchini 0:9fca2b23d0ba 95
marcozecchini 0:9fca2b23d0ba 96 /*
marcozecchini 0:9fca2b23d0ba 97 * RIPEMD-160 context setup
marcozecchini 0:9fca2b23d0ba 98 */
marcozecchini 0:9fca2b23d0ba 99 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
marcozecchini 0:9fca2b23d0ba 100 {
marcozecchini 0:9fca2b23d0ba 101 ctx->total[0] = 0;
marcozecchini 0:9fca2b23d0ba 102 ctx->total[1] = 0;
marcozecchini 0:9fca2b23d0ba 103
marcozecchini 0:9fca2b23d0ba 104 ctx->state[0] = 0x67452301;
marcozecchini 0:9fca2b23d0ba 105 ctx->state[1] = 0xEFCDAB89;
marcozecchini 0:9fca2b23d0ba 106 ctx->state[2] = 0x98BADCFE;
marcozecchini 0:9fca2b23d0ba 107 ctx->state[3] = 0x10325476;
marcozecchini 0:9fca2b23d0ba 108 ctx->state[4] = 0xC3D2E1F0;
marcozecchini 0:9fca2b23d0ba 109 }
marcozecchini 0:9fca2b23d0ba 110
marcozecchini 0:9fca2b23d0ba 111 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
marcozecchini 0:9fca2b23d0ba 112 /*
marcozecchini 0:9fca2b23d0ba 113 * Process one block
marcozecchini 0:9fca2b23d0ba 114 */
marcozecchini 0:9fca2b23d0ba 115 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
marcozecchini 0:9fca2b23d0ba 116 {
marcozecchini 0:9fca2b23d0ba 117 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
marcozecchini 0:9fca2b23d0ba 118
marcozecchini 0:9fca2b23d0ba 119 GET_UINT32_LE( X[ 0], data, 0 );
marcozecchini 0:9fca2b23d0ba 120 GET_UINT32_LE( X[ 1], data, 4 );
marcozecchini 0:9fca2b23d0ba 121 GET_UINT32_LE( X[ 2], data, 8 );
marcozecchini 0:9fca2b23d0ba 122 GET_UINT32_LE( X[ 3], data, 12 );
marcozecchini 0:9fca2b23d0ba 123 GET_UINT32_LE( X[ 4], data, 16 );
marcozecchini 0:9fca2b23d0ba 124 GET_UINT32_LE( X[ 5], data, 20 );
marcozecchini 0:9fca2b23d0ba 125 GET_UINT32_LE( X[ 6], data, 24 );
marcozecchini 0:9fca2b23d0ba 126 GET_UINT32_LE( X[ 7], data, 28 );
marcozecchini 0:9fca2b23d0ba 127 GET_UINT32_LE( X[ 8], data, 32 );
marcozecchini 0:9fca2b23d0ba 128 GET_UINT32_LE( X[ 9], data, 36 );
marcozecchini 0:9fca2b23d0ba 129 GET_UINT32_LE( X[10], data, 40 );
marcozecchini 0:9fca2b23d0ba 130 GET_UINT32_LE( X[11], data, 44 );
marcozecchini 0:9fca2b23d0ba 131 GET_UINT32_LE( X[12], data, 48 );
marcozecchini 0:9fca2b23d0ba 132 GET_UINT32_LE( X[13], data, 52 );
marcozecchini 0:9fca2b23d0ba 133 GET_UINT32_LE( X[14], data, 56 );
marcozecchini 0:9fca2b23d0ba 134 GET_UINT32_LE( X[15], data, 60 );
marcozecchini 0:9fca2b23d0ba 135
marcozecchini 0:9fca2b23d0ba 136 A = Ap = ctx->state[0];
marcozecchini 0:9fca2b23d0ba 137 B = Bp = ctx->state[1];
marcozecchini 0:9fca2b23d0ba 138 C = Cp = ctx->state[2];
marcozecchini 0:9fca2b23d0ba 139 D = Dp = ctx->state[3];
marcozecchini 0:9fca2b23d0ba 140 E = Ep = ctx->state[4];
marcozecchini 0:9fca2b23d0ba 141
marcozecchini 0:9fca2b23d0ba 142 #define F1( x, y, z ) ( x ^ y ^ z )
marcozecchini 0:9fca2b23d0ba 143 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
marcozecchini 0:9fca2b23d0ba 144 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
marcozecchini 0:9fca2b23d0ba 145 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
marcozecchini 0:9fca2b23d0ba 146 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
marcozecchini 0:9fca2b23d0ba 147
marcozecchini 0:9fca2b23d0ba 148 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
marcozecchini 0:9fca2b23d0ba 149
marcozecchini 0:9fca2b23d0ba 150 #define P( a, b, c, d, e, r, s, f, k ) \
marcozecchini 0:9fca2b23d0ba 151 a += f( b, c, d ) + X[r] + k; \
marcozecchini 0:9fca2b23d0ba 152 a = S( a, s ) + e; \
marcozecchini 0:9fca2b23d0ba 153 c = S( c, 10 );
marcozecchini 0:9fca2b23d0ba 154
marcozecchini 0:9fca2b23d0ba 155 #define P2( a, b, c, d, e, r, s, rp, sp ) \
marcozecchini 0:9fca2b23d0ba 156 P( a, b, c, d, e, r, s, F, K ); \
marcozecchini 0:9fca2b23d0ba 157 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
marcozecchini 0:9fca2b23d0ba 158
marcozecchini 0:9fca2b23d0ba 159 #define F F1
marcozecchini 0:9fca2b23d0ba 160 #define K 0x00000000
marcozecchini 0:9fca2b23d0ba 161 #define Fp F5
marcozecchini 0:9fca2b23d0ba 162 #define Kp 0x50A28BE6
marcozecchini 0:9fca2b23d0ba 163 P2( A, B, C, D, E, 0, 11, 5, 8 );
marcozecchini 0:9fca2b23d0ba 164 P2( E, A, B, C, D, 1, 14, 14, 9 );
marcozecchini 0:9fca2b23d0ba 165 P2( D, E, A, B, C, 2, 15, 7, 9 );
marcozecchini 0:9fca2b23d0ba 166 P2( C, D, E, A, B, 3, 12, 0, 11 );
marcozecchini 0:9fca2b23d0ba 167 P2( B, C, D, E, A, 4, 5, 9, 13 );
marcozecchini 0:9fca2b23d0ba 168 P2( A, B, C, D, E, 5, 8, 2, 15 );
marcozecchini 0:9fca2b23d0ba 169 P2( E, A, B, C, D, 6, 7, 11, 15 );
marcozecchini 0:9fca2b23d0ba 170 P2( D, E, A, B, C, 7, 9, 4, 5 );
marcozecchini 0:9fca2b23d0ba 171 P2( C, D, E, A, B, 8, 11, 13, 7 );
marcozecchini 0:9fca2b23d0ba 172 P2( B, C, D, E, A, 9, 13, 6, 7 );
marcozecchini 0:9fca2b23d0ba 173 P2( A, B, C, D, E, 10, 14, 15, 8 );
marcozecchini 0:9fca2b23d0ba 174 P2( E, A, B, C, D, 11, 15, 8, 11 );
marcozecchini 0:9fca2b23d0ba 175 P2( D, E, A, B, C, 12, 6, 1, 14 );
marcozecchini 0:9fca2b23d0ba 176 P2( C, D, E, A, B, 13, 7, 10, 14 );
marcozecchini 0:9fca2b23d0ba 177 P2( B, C, D, E, A, 14, 9, 3, 12 );
marcozecchini 0:9fca2b23d0ba 178 P2( A, B, C, D, E, 15, 8, 12, 6 );
marcozecchini 0:9fca2b23d0ba 179 #undef F
marcozecchini 0:9fca2b23d0ba 180 #undef K
marcozecchini 0:9fca2b23d0ba 181 #undef Fp
marcozecchini 0:9fca2b23d0ba 182 #undef Kp
marcozecchini 0:9fca2b23d0ba 183
marcozecchini 0:9fca2b23d0ba 184 #define F F2
marcozecchini 0:9fca2b23d0ba 185 #define K 0x5A827999
marcozecchini 0:9fca2b23d0ba 186 #define Fp F4
marcozecchini 0:9fca2b23d0ba 187 #define Kp 0x5C4DD124
marcozecchini 0:9fca2b23d0ba 188 P2( E, A, B, C, D, 7, 7, 6, 9 );
marcozecchini 0:9fca2b23d0ba 189 P2( D, E, A, B, C, 4, 6, 11, 13 );
marcozecchini 0:9fca2b23d0ba 190 P2( C, D, E, A, B, 13, 8, 3, 15 );
marcozecchini 0:9fca2b23d0ba 191 P2( B, C, D, E, A, 1, 13, 7, 7 );
marcozecchini 0:9fca2b23d0ba 192 P2( A, B, C, D, E, 10, 11, 0, 12 );
marcozecchini 0:9fca2b23d0ba 193 P2( E, A, B, C, D, 6, 9, 13, 8 );
marcozecchini 0:9fca2b23d0ba 194 P2( D, E, A, B, C, 15, 7, 5, 9 );
marcozecchini 0:9fca2b23d0ba 195 P2( C, D, E, A, B, 3, 15, 10, 11 );
marcozecchini 0:9fca2b23d0ba 196 P2( B, C, D, E, A, 12, 7, 14, 7 );
marcozecchini 0:9fca2b23d0ba 197 P2( A, B, C, D, E, 0, 12, 15, 7 );
marcozecchini 0:9fca2b23d0ba 198 P2( E, A, B, C, D, 9, 15, 8, 12 );
marcozecchini 0:9fca2b23d0ba 199 P2( D, E, A, B, C, 5, 9, 12, 7 );
marcozecchini 0:9fca2b23d0ba 200 P2( C, D, E, A, B, 2, 11, 4, 6 );
marcozecchini 0:9fca2b23d0ba 201 P2( B, C, D, E, A, 14, 7, 9, 15 );
marcozecchini 0:9fca2b23d0ba 202 P2( A, B, C, D, E, 11, 13, 1, 13 );
marcozecchini 0:9fca2b23d0ba 203 P2( E, A, B, C, D, 8, 12, 2, 11 );
marcozecchini 0:9fca2b23d0ba 204 #undef F
marcozecchini 0:9fca2b23d0ba 205 #undef K
marcozecchini 0:9fca2b23d0ba 206 #undef Fp
marcozecchini 0:9fca2b23d0ba 207 #undef Kp
marcozecchini 0:9fca2b23d0ba 208
marcozecchini 0:9fca2b23d0ba 209 #define F F3
marcozecchini 0:9fca2b23d0ba 210 #define K 0x6ED9EBA1
marcozecchini 0:9fca2b23d0ba 211 #define Fp F3
marcozecchini 0:9fca2b23d0ba 212 #define Kp 0x6D703EF3
marcozecchini 0:9fca2b23d0ba 213 P2( D, E, A, B, C, 3, 11, 15, 9 );
marcozecchini 0:9fca2b23d0ba 214 P2( C, D, E, A, B, 10, 13, 5, 7 );
marcozecchini 0:9fca2b23d0ba 215 P2( B, C, D, E, A, 14, 6, 1, 15 );
marcozecchini 0:9fca2b23d0ba 216 P2( A, B, C, D, E, 4, 7, 3, 11 );
marcozecchini 0:9fca2b23d0ba 217 P2( E, A, B, C, D, 9, 14, 7, 8 );
marcozecchini 0:9fca2b23d0ba 218 P2( D, E, A, B, C, 15, 9, 14, 6 );
marcozecchini 0:9fca2b23d0ba 219 P2( C, D, E, A, B, 8, 13, 6, 6 );
marcozecchini 0:9fca2b23d0ba 220 P2( B, C, D, E, A, 1, 15, 9, 14 );
marcozecchini 0:9fca2b23d0ba 221 P2( A, B, C, D, E, 2, 14, 11, 12 );
marcozecchini 0:9fca2b23d0ba 222 P2( E, A, B, C, D, 7, 8, 8, 13 );
marcozecchini 0:9fca2b23d0ba 223 P2( D, E, A, B, C, 0, 13, 12, 5 );
marcozecchini 0:9fca2b23d0ba 224 P2( C, D, E, A, B, 6, 6, 2, 14 );
marcozecchini 0:9fca2b23d0ba 225 P2( B, C, D, E, A, 13, 5, 10, 13 );
marcozecchini 0:9fca2b23d0ba 226 P2( A, B, C, D, E, 11, 12, 0, 13 );
marcozecchini 0:9fca2b23d0ba 227 P2( E, A, B, C, D, 5, 7, 4, 7 );
marcozecchini 0:9fca2b23d0ba 228 P2( D, E, A, B, C, 12, 5, 13, 5 );
marcozecchini 0:9fca2b23d0ba 229 #undef F
marcozecchini 0:9fca2b23d0ba 230 #undef K
marcozecchini 0:9fca2b23d0ba 231 #undef Fp
marcozecchini 0:9fca2b23d0ba 232 #undef Kp
marcozecchini 0:9fca2b23d0ba 233
marcozecchini 0:9fca2b23d0ba 234 #define F F4
marcozecchini 0:9fca2b23d0ba 235 #define K 0x8F1BBCDC
marcozecchini 0:9fca2b23d0ba 236 #define Fp F2
marcozecchini 0:9fca2b23d0ba 237 #define Kp 0x7A6D76E9
marcozecchini 0:9fca2b23d0ba 238 P2( C, D, E, A, B, 1, 11, 8, 15 );
marcozecchini 0:9fca2b23d0ba 239 P2( B, C, D, E, A, 9, 12, 6, 5 );
marcozecchini 0:9fca2b23d0ba 240 P2( A, B, C, D, E, 11, 14, 4, 8 );
marcozecchini 0:9fca2b23d0ba 241 P2( E, A, B, C, D, 10, 15, 1, 11 );
marcozecchini 0:9fca2b23d0ba 242 P2( D, E, A, B, C, 0, 14, 3, 14 );
marcozecchini 0:9fca2b23d0ba 243 P2( C, D, E, A, B, 8, 15, 11, 14 );
marcozecchini 0:9fca2b23d0ba 244 P2( B, C, D, E, A, 12, 9, 15, 6 );
marcozecchini 0:9fca2b23d0ba 245 P2( A, B, C, D, E, 4, 8, 0, 14 );
marcozecchini 0:9fca2b23d0ba 246 P2( E, A, B, C, D, 13, 9, 5, 6 );
marcozecchini 0:9fca2b23d0ba 247 P2( D, E, A, B, C, 3, 14, 12, 9 );
marcozecchini 0:9fca2b23d0ba 248 P2( C, D, E, A, B, 7, 5, 2, 12 );
marcozecchini 0:9fca2b23d0ba 249 P2( B, C, D, E, A, 15, 6, 13, 9 );
marcozecchini 0:9fca2b23d0ba 250 P2( A, B, C, D, E, 14, 8, 9, 12 );
marcozecchini 0:9fca2b23d0ba 251 P2( E, A, B, C, D, 5, 6, 7, 5 );
marcozecchini 0:9fca2b23d0ba 252 P2( D, E, A, B, C, 6, 5, 10, 15 );
marcozecchini 0:9fca2b23d0ba 253 P2( C, D, E, A, B, 2, 12, 14, 8 );
marcozecchini 0:9fca2b23d0ba 254 #undef F
marcozecchini 0:9fca2b23d0ba 255 #undef K
marcozecchini 0:9fca2b23d0ba 256 #undef Fp
marcozecchini 0:9fca2b23d0ba 257 #undef Kp
marcozecchini 0:9fca2b23d0ba 258
marcozecchini 0:9fca2b23d0ba 259 #define F F5
marcozecchini 0:9fca2b23d0ba 260 #define K 0xA953FD4E
marcozecchini 0:9fca2b23d0ba 261 #define Fp F1
marcozecchini 0:9fca2b23d0ba 262 #define Kp 0x00000000
marcozecchini 0:9fca2b23d0ba 263 P2( B, C, D, E, A, 4, 9, 12, 8 );
marcozecchini 0:9fca2b23d0ba 264 P2( A, B, C, D, E, 0, 15, 15, 5 );
marcozecchini 0:9fca2b23d0ba 265 P2( E, A, B, C, D, 5, 5, 10, 12 );
marcozecchini 0:9fca2b23d0ba 266 P2( D, E, A, B, C, 9, 11, 4, 9 );
marcozecchini 0:9fca2b23d0ba 267 P2( C, D, E, A, B, 7, 6, 1, 12 );
marcozecchini 0:9fca2b23d0ba 268 P2( B, C, D, E, A, 12, 8, 5, 5 );
marcozecchini 0:9fca2b23d0ba 269 P2( A, B, C, D, E, 2, 13, 8, 14 );
marcozecchini 0:9fca2b23d0ba 270 P2( E, A, B, C, D, 10, 12, 7, 6 );
marcozecchini 0:9fca2b23d0ba 271 P2( D, E, A, B, C, 14, 5, 6, 8 );
marcozecchini 0:9fca2b23d0ba 272 P2( C, D, E, A, B, 1, 12, 2, 13 );
marcozecchini 0:9fca2b23d0ba 273 P2( B, C, D, E, A, 3, 13, 13, 6 );
marcozecchini 0:9fca2b23d0ba 274 P2( A, B, C, D, E, 8, 14, 14, 5 );
marcozecchini 0:9fca2b23d0ba 275 P2( E, A, B, C, D, 11, 11, 0, 15 );
marcozecchini 0:9fca2b23d0ba 276 P2( D, E, A, B, C, 6, 8, 3, 13 );
marcozecchini 0:9fca2b23d0ba 277 P2( C, D, E, A, B, 15, 5, 9, 11 );
marcozecchini 0:9fca2b23d0ba 278 P2( B, C, D, E, A, 13, 6, 11, 11 );
marcozecchini 0:9fca2b23d0ba 279 #undef F
marcozecchini 0:9fca2b23d0ba 280 #undef K
marcozecchini 0:9fca2b23d0ba 281 #undef Fp
marcozecchini 0:9fca2b23d0ba 282 #undef Kp
marcozecchini 0:9fca2b23d0ba 283
marcozecchini 0:9fca2b23d0ba 284 C = ctx->state[1] + C + Dp;
marcozecchini 0:9fca2b23d0ba 285 ctx->state[1] = ctx->state[2] + D + Ep;
marcozecchini 0:9fca2b23d0ba 286 ctx->state[2] = ctx->state[3] + E + Ap;
marcozecchini 0:9fca2b23d0ba 287 ctx->state[3] = ctx->state[4] + A + Bp;
marcozecchini 0:9fca2b23d0ba 288 ctx->state[4] = ctx->state[0] + B + Cp;
marcozecchini 0:9fca2b23d0ba 289 ctx->state[0] = C;
marcozecchini 0:9fca2b23d0ba 290 }
marcozecchini 0:9fca2b23d0ba 291 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
marcozecchini 0:9fca2b23d0ba 292
marcozecchini 0:9fca2b23d0ba 293 /*
marcozecchini 0:9fca2b23d0ba 294 * RIPEMD-160 process buffer
marcozecchini 0:9fca2b23d0ba 295 */
marcozecchini 0:9fca2b23d0ba 296 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
marcozecchini 0:9fca2b23d0ba 297 const unsigned char *input, size_t ilen )
marcozecchini 0:9fca2b23d0ba 298 {
marcozecchini 0:9fca2b23d0ba 299 size_t fill;
marcozecchini 0:9fca2b23d0ba 300 uint32_t left;
marcozecchini 0:9fca2b23d0ba 301
marcozecchini 0:9fca2b23d0ba 302 if( ilen == 0 )
marcozecchini 0:9fca2b23d0ba 303 return;
marcozecchini 0:9fca2b23d0ba 304
marcozecchini 0:9fca2b23d0ba 305 left = ctx->total[0] & 0x3F;
marcozecchini 0:9fca2b23d0ba 306 fill = 64 - left;
marcozecchini 0:9fca2b23d0ba 307
marcozecchini 0:9fca2b23d0ba 308 ctx->total[0] += (uint32_t) ilen;
marcozecchini 0:9fca2b23d0ba 309 ctx->total[0] &= 0xFFFFFFFF;
marcozecchini 0:9fca2b23d0ba 310
marcozecchini 0:9fca2b23d0ba 311 if( ctx->total[0] < (uint32_t) ilen )
marcozecchini 0:9fca2b23d0ba 312 ctx->total[1]++;
marcozecchini 0:9fca2b23d0ba 313
marcozecchini 0:9fca2b23d0ba 314 if( left && ilen >= fill )
marcozecchini 0:9fca2b23d0ba 315 {
marcozecchini 0:9fca2b23d0ba 316 memcpy( (void *) (ctx->buffer + left), input, fill );
marcozecchini 0:9fca2b23d0ba 317 mbedtls_ripemd160_process( ctx, ctx->buffer );
marcozecchini 0:9fca2b23d0ba 318 input += fill;
marcozecchini 0:9fca2b23d0ba 319 ilen -= fill;
marcozecchini 0:9fca2b23d0ba 320 left = 0;
marcozecchini 0:9fca2b23d0ba 321 }
marcozecchini 0:9fca2b23d0ba 322
marcozecchini 0:9fca2b23d0ba 323 while( ilen >= 64 )
marcozecchini 0:9fca2b23d0ba 324 {
marcozecchini 0:9fca2b23d0ba 325 mbedtls_ripemd160_process( ctx, input );
marcozecchini 0:9fca2b23d0ba 326 input += 64;
marcozecchini 0:9fca2b23d0ba 327 ilen -= 64;
marcozecchini 0:9fca2b23d0ba 328 }
marcozecchini 0:9fca2b23d0ba 329
marcozecchini 0:9fca2b23d0ba 330 if( ilen > 0 )
marcozecchini 0:9fca2b23d0ba 331 {
marcozecchini 0:9fca2b23d0ba 332 memcpy( (void *) (ctx->buffer + left), input, ilen );
marcozecchini 0:9fca2b23d0ba 333 }
marcozecchini 0:9fca2b23d0ba 334 }
marcozecchini 0:9fca2b23d0ba 335
marcozecchini 0:9fca2b23d0ba 336 static const unsigned char ripemd160_padding[64] =
marcozecchini 0:9fca2b23d0ba 337 {
marcozecchini 0:9fca2b23d0ba 338 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
marcozecchini 0:9fca2b23d0ba 339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
marcozecchini 0:9fca2b23d0ba 340 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
marcozecchini 0:9fca2b23d0ba 341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
marcozecchini 0:9fca2b23d0ba 342 };
marcozecchini 0:9fca2b23d0ba 343
marcozecchini 0:9fca2b23d0ba 344 /*
marcozecchini 0:9fca2b23d0ba 345 * RIPEMD-160 final digest
marcozecchini 0:9fca2b23d0ba 346 */
marcozecchini 0:9fca2b23d0ba 347 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
marcozecchini 0:9fca2b23d0ba 348 {
marcozecchini 0:9fca2b23d0ba 349 uint32_t last, padn;
marcozecchini 0:9fca2b23d0ba 350 uint32_t high, low;
marcozecchini 0:9fca2b23d0ba 351 unsigned char msglen[8];
marcozecchini 0:9fca2b23d0ba 352
marcozecchini 0:9fca2b23d0ba 353 high = ( ctx->total[0] >> 29 )
marcozecchini 0:9fca2b23d0ba 354 | ( ctx->total[1] << 3 );
marcozecchini 0:9fca2b23d0ba 355 low = ( ctx->total[0] << 3 );
marcozecchini 0:9fca2b23d0ba 356
marcozecchini 0:9fca2b23d0ba 357 PUT_UINT32_LE( low, msglen, 0 );
marcozecchini 0:9fca2b23d0ba 358 PUT_UINT32_LE( high, msglen, 4 );
marcozecchini 0:9fca2b23d0ba 359
marcozecchini 0:9fca2b23d0ba 360 last = ctx->total[0] & 0x3F;
marcozecchini 0:9fca2b23d0ba 361 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
marcozecchini 0:9fca2b23d0ba 362
marcozecchini 0:9fca2b23d0ba 363 mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
marcozecchini 0:9fca2b23d0ba 364 mbedtls_ripemd160_update( ctx, msglen, 8 );
marcozecchini 0:9fca2b23d0ba 365
marcozecchini 0:9fca2b23d0ba 366 PUT_UINT32_LE( ctx->state[0], output, 0 );
marcozecchini 0:9fca2b23d0ba 367 PUT_UINT32_LE( ctx->state[1], output, 4 );
marcozecchini 0:9fca2b23d0ba 368 PUT_UINT32_LE( ctx->state[2], output, 8 );
marcozecchini 0:9fca2b23d0ba 369 PUT_UINT32_LE( ctx->state[3], output, 12 );
marcozecchini 0:9fca2b23d0ba 370 PUT_UINT32_LE( ctx->state[4], output, 16 );
marcozecchini 0:9fca2b23d0ba 371 }
marcozecchini 0:9fca2b23d0ba 372
marcozecchini 0:9fca2b23d0ba 373 /*
marcozecchini 0:9fca2b23d0ba 374 * output = RIPEMD-160( input buffer )
marcozecchini 0:9fca2b23d0ba 375 */
marcozecchini 0:9fca2b23d0ba 376 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
marcozecchini 0:9fca2b23d0ba 377 unsigned char output[20] )
marcozecchini 0:9fca2b23d0ba 378 {
marcozecchini 0:9fca2b23d0ba 379 mbedtls_ripemd160_context ctx;
marcozecchini 0:9fca2b23d0ba 380
marcozecchini 0:9fca2b23d0ba 381 mbedtls_ripemd160_init( &ctx );
marcozecchini 0:9fca2b23d0ba 382 mbedtls_ripemd160_starts( &ctx );
marcozecchini 0:9fca2b23d0ba 383 mbedtls_ripemd160_update( &ctx, input, ilen );
marcozecchini 0:9fca2b23d0ba 384 mbedtls_ripemd160_finish( &ctx, output );
marcozecchini 0:9fca2b23d0ba 385 mbedtls_ripemd160_free( &ctx );
marcozecchini 0:9fca2b23d0ba 386 }
marcozecchini 0:9fca2b23d0ba 387
marcozecchini 0:9fca2b23d0ba 388 #if defined(MBEDTLS_SELF_TEST)
marcozecchini 0:9fca2b23d0ba 389 /*
marcozecchini 0:9fca2b23d0ba 390 * Test vectors from the RIPEMD-160 paper and
marcozecchini 0:9fca2b23d0ba 391 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
marcozecchini 0:9fca2b23d0ba 392 */
marcozecchini 0:9fca2b23d0ba 393 #define TESTS 8
marcozecchini 0:9fca2b23d0ba 394 #define KEYS 2
marcozecchini 0:9fca2b23d0ba 395 static const char *ripemd160_test_input[TESTS] =
marcozecchini 0:9fca2b23d0ba 396 {
marcozecchini 0:9fca2b23d0ba 397 "",
marcozecchini 0:9fca2b23d0ba 398 "a",
marcozecchini 0:9fca2b23d0ba 399 "abc",
marcozecchini 0:9fca2b23d0ba 400 "message digest",
marcozecchini 0:9fca2b23d0ba 401 "abcdefghijklmnopqrstuvwxyz",
marcozecchini 0:9fca2b23d0ba 402 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
marcozecchini 0:9fca2b23d0ba 403 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
marcozecchini 0:9fca2b23d0ba 404 "1234567890123456789012345678901234567890"
marcozecchini 0:9fca2b23d0ba 405 "1234567890123456789012345678901234567890",
marcozecchini 0:9fca2b23d0ba 406 };
marcozecchini 0:9fca2b23d0ba 407
marcozecchini 0:9fca2b23d0ba 408 static const unsigned char ripemd160_test_md[TESTS][20] =
marcozecchini 0:9fca2b23d0ba 409 {
marcozecchini 0:9fca2b23d0ba 410 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
marcozecchini 0:9fca2b23d0ba 411 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
marcozecchini 0:9fca2b23d0ba 412 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
marcozecchini 0:9fca2b23d0ba 413 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
marcozecchini 0:9fca2b23d0ba 414 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
marcozecchini 0:9fca2b23d0ba 415 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
marcozecchini 0:9fca2b23d0ba 416 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
marcozecchini 0:9fca2b23d0ba 417 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
marcozecchini 0:9fca2b23d0ba 418 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
marcozecchini 0:9fca2b23d0ba 419 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
marcozecchini 0:9fca2b23d0ba 420 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
marcozecchini 0:9fca2b23d0ba 421 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
marcozecchini 0:9fca2b23d0ba 422 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
marcozecchini 0:9fca2b23d0ba 423 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
marcozecchini 0:9fca2b23d0ba 424 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
marcozecchini 0:9fca2b23d0ba 425 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
marcozecchini 0:9fca2b23d0ba 426 };
marcozecchini 0:9fca2b23d0ba 427
marcozecchini 0:9fca2b23d0ba 428 /*
marcozecchini 0:9fca2b23d0ba 429 * Checkup routine
marcozecchini 0:9fca2b23d0ba 430 */
marcozecchini 0:9fca2b23d0ba 431 int mbedtls_ripemd160_self_test( int verbose )
marcozecchini 0:9fca2b23d0ba 432 {
marcozecchini 0:9fca2b23d0ba 433 int i;
marcozecchini 0:9fca2b23d0ba 434 unsigned char output[20];
marcozecchini 0:9fca2b23d0ba 435
marcozecchini 0:9fca2b23d0ba 436 memset( output, 0, sizeof output );
marcozecchini 0:9fca2b23d0ba 437
marcozecchini 0:9fca2b23d0ba 438 for( i = 0; i < TESTS; i++ )
marcozecchini 0:9fca2b23d0ba 439 {
marcozecchini 0:9fca2b23d0ba 440 if( verbose != 0 )
marcozecchini 0:9fca2b23d0ba 441 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
marcozecchini 0:9fca2b23d0ba 442
marcozecchini 0:9fca2b23d0ba 443 mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
marcozecchini 0:9fca2b23d0ba 444 strlen( ripemd160_test_input[i] ),
marcozecchini 0:9fca2b23d0ba 445 output );
marcozecchini 0:9fca2b23d0ba 446
marcozecchini 0:9fca2b23d0ba 447 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
marcozecchini 0:9fca2b23d0ba 448 {
marcozecchini 0:9fca2b23d0ba 449 if( verbose != 0 )
marcozecchini 0:9fca2b23d0ba 450 mbedtls_printf( "failed\n" );
marcozecchini 0:9fca2b23d0ba 451
marcozecchini 0:9fca2b23d0ba 452 return( 1 );
marcozecchini 0:9fca2b23d0ba 453 }
marcozecchini 0:9fca2b23d0ba 454
marcozecchini 0:9fca2b23d0ba 455 if( verbose != 0 )
marcozecchini 0:9fca2b23d0ba 456 mbedtls_printf( "passed\n" );
marcozecchini 0:9fca2b23d0ba 457 }
marcozecchini 0:9fca2b23d0ba 458
marcozecchini 0:9fca2b23d0ba 459 if( verbose != 0 )
marcozecchini 0:9fca2b23d0ba 460 mbedtls_printf( "\n" );
marcozecchini 0:9fca2b23d0ba 461
marcozecchini 0:9fca2b23d0ba 462 return( 0 );
marcozecchini 0:9fca2b23d0ba 463 }
marcozecchini 0:9fca2b23d0ba 464
marcozecchini 0:9fca2b23d0ba 465 #endif /* MBEDTLS_SELF_TEST */
marcozecchini 0:9fca2b23d0ba 466
marcozecchini 0:9fca2b23d0ba 467 #endif /* MBEDTLS_RIPEMD160_C */