Greg Steiert / pegasus_dev

Dependents:   blinky_max32630fthr

features/mbedtls/src/ripemd160.c@3:1198227e6421, 2016-12-16 (annotated)

Committer:
switches
Date:
Fri Dec 16 16:27:57 2016 +0000
Revision:
3:1198227e6421
Parent:
0:5c4d7b2438d3 
Changed ADC scale for MAX32625 platforms to 1.2V full scale to match MAX32630 platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /*
switches 0:5c4d7b2438d3 2 * RIPE MD-160 implementation
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
switches 0:5c4d7b2438d3 5 * SPDX-License-Identifier: Apache-2.0
switches 0:5c4d7b2438d3 6 *
switches 0:5c4d7b2438d3 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
switches 0:5c4d7b2438d3 8 * not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 9 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 10 *
switches 0:5c4d7b2438d3 11 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 12 *
switches 0:5c4d7b2438d3 13 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
switches 0:5c4d7b2438d3 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 16 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 17 * limitations under the License.
switches 0:5c4d7b2438d3 18 *
switches 0:5c4d7b2438d3 19 * This file is part of mbed TLS (https://tls.mbed.org)
switches 0:5c4d7b2438d3 20 */
switches 0:5c4d7b2438d3 21
switches 0:5c4d7b2438d3 22 /*
switches 0:5c4d7b2438d3 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
switches 0:5c4d7b2438d3 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
switches 0:5c4d7b2438d3 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
switches 0:5c4d7b2438d3 26 */
switches 0:5c4d7b2438d3 27
switches 0:5c4d7b2438d3 28 #if !defined(MBEDTLS_CONFIG_FILE)
switches 0:5c4d7b2438d3 29 #include "mbedtls/config.h"
switches 0:5c4d7b2438d3 30 #else
switches 0:5c4d7b2438d3 31 #include MBEDTLS_CONFIG_FILE
switches 0:5c4d7b2438d3 32 #endif
switches 0:5c4d7b2438d3 33
switches 0:5c4d7b2438d3 34 #if defined(MBEDTLS_RIPEMD160_C)
switches 0:5c4d7b2438d3 35
switches 0:5c4d7b2438d3 36 #include "mbedtls/ripemd160.h"
switches 0:5c4d7b2438d3 37
switches 0:5c4d7b2438d3 38 #include <string.h>
switches 0:5c4d7b2438d3 39
switches 0:5c4d7b2438d3 40 #if defined(MBEDTLS_SELF_TEST)
switches 0:5c4d7b2438d3 41 #if defined(MBEDTLS_PLATFORM_C)
switches 0:5c4d7b2438d3 42 #include "mbedtls/platform.h"
switches 0:5c4d7b2438d3 43 #else
switches 0:5c4d7b2438d3 44 #include <stdio.h>
switches 0:5c4d7b2438d3 45 #define mbedtls_printf printf
switches 0:5c4d7b2438d3 46 #endif /* MBEDTLS_PLATFORM_C */
switches 0:5c4d7b2438d3 47 #endif /* MBEDTLS_SELF_TEST */
switches 0:5c4d7b2438d3 48
switches 0:5c4d7b2438d3 49 /*
switches 0:5c4d7b2438d3 50 * 32-bit integer manipulation macros (little endian)
switches 0:5c4d7b2438d3 51 */
switches 0:5c4d7b2438d3 52 #ifndef GET_UINT32_LE
switches 0:5c4d7b2438d3 53 #define GET_UINT32_LE(n,b,i) \
switches 0:5c4d7b2438d3 54 { \
switches 0:5c4d7b2438d3 55 (n) = ( (uint32_t) (b)[(i) ] ) \
switches 0:5c4d7b2438d3 56 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
switches 0:5c4d7b2438d3 57 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
switches 0:5c4d7b2438d3 58 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
switches 0:5c4d7b2438d3 59 }
switches 0:5c4d7b2438d3 60 #endif
switches 0:5c4d7b2438d3 61
switches 0:5c4d7b2438d3 62 #ifndef PUT_UINT32_LE
switches 0:5c4d7b2438d3 63 #define PUT_UINT32_LE(n,b,i) \
switches 0:5c4d7b2438d3 64 { \
switches 0:5c4d7b2438d3 65 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
switches 0:5c4d7b2438d3 66 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
switches 0:5c4d7b2438d3 67 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
switches 0:5c4d7b2438d3 68 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
switches 0:5c4d7b2438d3 69 }
switches 0:5c4d7b2438d3 70 #endif
switches 0:5c4d7b2438d3 71
switches 0:5c4d7b2438d3 72 /* Implementation that should never be optimized out by the compiler */
switches 0:5c4d7b2438d3 73 static void mbedtls_zeroize( void *v, size_t n ) {
switches 0:5c4d7b2438d3 74 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
switches 0:5c4d7b2438d3 75 }
switches 0:5c4d7b2438d3 76
switches 0:5c4d7b2438d3 77 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
switches 0:5c4d7b2438d3 78 {
switches 0:5c4d7b2438d3 79 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
switches 0:5c4d7b2438d3 80 }
switches 0:5c4d7b2438d3 81
switches 0:5c4d7b2438d3 82 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
switches 0:5c4d7b2438d3 83 {
switches 0:5c4d7b2438d3 84 if( ctx == NULL )
switches 0:5c4d7b2438d3 85 return;
switches 0:5c4d7b2438d3 86
switches 0:5c4d7b2438d3 87 mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
switches 0:5c4d7b2438d3 88 }
switches 0:5c4d7b2438d3 89
switches 0:5c4d7b2438d3 90 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
switches 0:5c4d7b2438d3 91 const mbedtls_ripemd160_context *src )
switches 0:5c4d7b2438d3 92 {
switches 0:5c4d7b2438d3 93 *dst = *src;
switches 0:5c4d7b2438d3 94 }
switches 0:5c4d7b2438d3 95
switches 0:5c4d7b2438d3 96 /*
switches 0:5c4d7b2438d3 97 * RIPEMD-160 context setup
switches 0:5c4d7b2438d3 98 */
switches 0:5c4d7b2438d3 99 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
switches 0:5c4d7b2438d3 100 {
switches 0:5c4d7b2438d3 101 ctx->total[0] = 0;
switches 0:5c4d7b2438d3 102 ctx->total[1] = 0;
switches 0:5c4d7b2438d3 103
switches 0:5c4d7b2438d3 104 ctx->state[0] = 0x67452301;
switches 0:5c4d7b2438d3 105 ctx->state[1] = 0xEFCDAB89;
switches 0:5c4d7b2438d3 106 ctx->state[2] = 0x98BADCFE;
switches 0:5c4d7b2438d3 107 ctx->state[3] = 0x10325476;
switches 0:5c4d7b2438d3 108 ctx->state[4] = 0xC3D2E1F0;
switches 0:5c4d7b2438d3 109 }
switches 0:5c4d7b2438d3 110
switches 0:5c4d7b2438d3 111 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
switches 0:5c4d7b2438d3 112 /*
switches 0:5c4d7b2438d3 113 * Process one block
switches 0:5c4d7b2438d3 114 */
switches 0:5c4d7b2438d3 115 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
switches 0:5c4d7b2438d3 116 {
switches 0:5c4d7b2438d3 117 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
switches 0:5c4d7b2438d3 118
switches 0:5c4d7b2438d3 119 GET_UINT32_LE( X[ 0], data, 0 );
switches 0:5c4d7b2438d3 120 GET_UINT32_LE( X[ 1], data, 4 );
switches 0:5c4d7b2438d3 121 GET_UINT32_LE( X[ 2], data, 8 );
switches 0:5c4d7b2438d3 122 GET_UINT32_LE( X[ 3], data, 12 );
switches 0:5c4d7b2438d3 123 GET_UINT32_LE( X[ 4], data, 16 );
switches 0:5c4d7b2438d3 124 GET_UINT32_LE( X[ 5], data, 20 );
switches 0:5c4d7b2438d3 125 GET_UINT32_LE( X[ 6], data, 24 );
switches 0:5c4d7b2438d3 126 GET_UINT32_LE( X[ 7], data, 28 );
switches 0:5c4d7b2438d3 127 GET_UINT32_LE( X[ 8], data, 32 );
switches 0:5c4d7b2438d3 128 GET_UINT32_LE( X[ 9], data, 36 );
switches 0:5c4d7b2438d3 129 GET_UINT32_LE( X[10], data, 40 );
switches 0:5c4d7b2438d3 130 GET_UINT32_LE( X[11], data, 44 );
switches 0:5c4d7b2438d3 131 GET_UINT32_LE( X[12], data, 48 );
switches 0:5c4d7b2438d3 132 GET_UINT32_LE( X[13], data, 52 );
switches 0:5c4d7b2438d3 133 GET_UINT32_LE( X[14], data, 56 );
switches 0:5c4d7b2438d3 134 GET_UINT32_LE( X[15], data, 60 );
switches 0:5c4d7b2438d3 135
switches 0:5c4d7b2438d3 136 A = Ap = ctx->state[0];
switches 0:5c4d7b2438d3 137 B = Bp = ctx->state[1];
switches 0:5c4d7b2438d3 138 C = Cp = ctx->state[2];
switches 0:5c4d7b2438d3 139 D = Dp = ctx->state[3];
switches 0:5c4d7b2438d3 140 E = Ep = ctx->state[4];
switches 0:5c4d7b2438d3 141
switches 0:5c4d7b2438d3 142 #define F1( x, y, z ) ( x ^ y ^ z )
switches 0:5c4d7b2438d3 143 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
switches 0:5c4d7b2438d3 144 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
switches 0:5c4d7b2438d3 145 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
switches 0:5c4d7b2438d3 146 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
switches 0:5c4d7b2438d3 147
switches 0:5c4d7b2438d3 148 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
switches 0:5c4d7b2438d3 149
switches 0:5c4d7b2438d3 150 #define P( a, b, c, d, e, r, s, f, k ) \
switches 0:5c4d7b2438d3 151 a += f( b, c, d ) + X[r] + k; \
switches 0:5c4d7b2438d3 152 a = S( a, s ) + e; \
switches 0:5c4d7b2438d3 153 c = S( c, 10 );
switches 0:5c4d7b2438d3 154
switches 0:5c4d7b2438d3 155 #define P2( a, b, c, d, e, r, s, rp, sp ) \
switches 0:5c4d7b2438d3 156 P( a, b, c, d, e, r, s, F, K ); \
switches 0:5c4d7b2438d3 157 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
switches 0:5c4d7b2438d3 158
switches 0:5c4d7b2438d3 159 #define F F1
switches 0:5c4d7b2438d3 160 #define K 0x00000000
switches 0:5c4d7b2438d3 161 #define Fp F5
switches 0:5c4d7b2438d3 162 #define Kp 0x50A28BE6
switches 0:5c4d7b2438d3 163 P2( A, B, C, D, E, 0, 11, 5, 8 );
switches 0:5c4d7b2438d3 164 P2( E, A, B, C, D, 1, 14, 14, 9 );
switches 0:5c4d7b2438d3 165 P2( D, E, A, B, C, 2, 15, 7, 9 );
switches 0:5c4d7b2438d3 166 P2( C, D, E, A, B, 3, 12, 0, 11 );
switches 0:5c4d7b2438d3 167 P2( B, C, D, E, A, 4, 5, 9, 13 );
switches 0:5c4d7b2438d3 168 P2( A, B, C, D, E, 5, 8, 2, 15 );
switches 0:5c4d7b2438d3 169 P2( E, A, B, C, D, 6, 7, 11, 15 );
switches 0:5c4d7b2438d3 170 P2( D, E, A, B, C, 7, 9, 4, 5 );
switches 0:5c4d7b2438d3 171 P2( C, D, E, A, B, 8, 11, 13, 7 );
switches 0:5c4d7b2438d3 172 P2( B, C, D, E, A, 9, 13, 6, 7 );
switches 0:5c4d7b2438d3 173 P2( A, B, C, D, E, 10, 14, 15, 8 );
switches 0:5c4d7b2438d3 174 P2( E, A, B, C, D, 11, 15, 8, 11 );
switches 0:5c4d7b2438d3 175 P2( D, E, A, B, C, 12, 6, 1, 14 );
switches 0:5c4d7b2438d3 176 P2( C, D, E, A, B, 13, 7, 10, 14 );
switches 0:5c4d7b2438d3 177 P2( B, C, D, E, A, 14, 9, 3, 12 );
switches 0:5c4d7b2438d3 178 P2( A, B, C, D, E, 15, 8, 12, 6 );
switches 0:5c4d7b2438d3 179 #undef F
switches 0:5c4d7b2438d3 180 #undef K
switches 0:5c4d7b2438d3 181 #undef Fp
switches 0:5c4d7b2438d3 182 #undef Kp
switches 0:5c4d7b2438d3 183
switches 0:5c4d7b2438d3 184 #define F F2
switches 0:5c4d7b2438d3 185 #define K 0x5A827999
switches 0:5c4d7b2438d3 186 #define Fp F4
switches 0:5c4d7b2438d3 187 #define Kp 0x5C4DD124
switches 0:5c4d7b2438d3 188 P2( E, A, B, C, D, 7, 7, 6, 9 );
switches 0:5c4d7b2438d3 189 P2( D, E, A, B, C, 4, 6, 11, 13 );
switches 0:5c4d7b2438d3 190 P2( C, D, E, A, B, 13, 8, 3, 15 );
switches 0:5c4d7b2438d3 191 P2( B, C, D, E, A, 1, 13, 7, 7 );
switches 0:5c4d7b2438d3 192 P2( A, B, C, D, E, 10, 11, 0, 12 );
switches 0:5c4d7b2438d3 193 P2( E, A, B, C, D, 6, 9, 13, 8 );
switches 0:5c4d7b2438d3 194 P2( D, E, A, B, C, 15, 7, 5, 9 );
switches 0:5c4d7b2438d3 195 P2( C, D, E, A, B, 3, 15, 10, 11 );
switches 0:5c4d7b2438d3 196 P2( B, C, D, E, A, 12, 7, 14, 7 );
switches 0:5c4d7b2438d3 197 P2( A, B, C, D, E, 0, 12, 15, 7 );
switches 0:5c4d7b2438d3 198 P2( E, A, B, C, D, 9, 15, 8, 12 );
switches 0:5c4d7b2438d3 199 P2( D, E, A, B, C, 5, 9, 12, 7 );
switches 0:5c4d7b2438d3 200 P2( C, D, E, A, B, 2, 11, 4, 6 );
switches 0:5c4d7b2438d3 201 P2( B, C, D, E, A, 14, 7, 9, 15 );
switches 0:5c4d7b2438d3 202 P2( A, B, C, D, E, 11, 13, 1, 13 );
switches 0:5c4d7b2438d3 203 P2( E, A, B, C, D, 8, 12, 2, 11 );
switches 0:5c4d7b2438d3 204 #undef F
switches 0:5c4d7b2438d3 205 #undef K
switches 0:5c4d7b2438d3 206 #undef Fp
switches 0:5c4d7b2438d3 207 #undef Kp
switches 0:5c4d7b2438d3 208
switches 0:5c4d7b2438d3 209 #define F F3
switches 0:5c4d7b2438d3 210 #define K 0x6ED9EBA1
switches 0:5c4d7b2438d3 211 #define Fp F3
switches 0:5c4d7b2438d3 212 #define Kp 0x6D703EF3
switches 0:5c4d7b2438d3 213 P2( D, E, A, B, C, 3, 11, 15, 9 );
switches 0:5c4d7b2438d3 214 P2( C, D, E, A, B, 10, 13, 5, 7 );
switches 0:5c4d7b2438d3 215 P2( B, C, D, E, A, 14, 6, 1, 15 );
switches 0:5c4d7b2438d3 216 P2( A, B, C, D, E, 4, 7, 3, 11 );
switches 0:5c4d7b2438d3 217 P2( E, A, B, C, D, 9, 14, 7, 8 );
switches 0:5c4d7b2438d3 218 P2( D, E, A, B, C, 15, 9, 14, 6 );
switches 0:5c4d7b2438d3 219 P2( C, D, E, A, B, 8, 13, 6, 6 );
switches 0:5c4d7b2438d3 220 P2( B, C, D, E, A, 1, 15, 9, 14 );
switches 0:5c4d7b2438d3 221 P2( A, B, C, D, E, 2, 14, 11, 12 );
switches 0:5c4d7b2438d3 222 P2( E, A, B, C, D, 7, 8, 8, 13 );
switches 0:5c4d7b2438d3 223 P2( D, E, A, B, C, 0, 13, 12, 5 );
switches 0:5c4d7b2438d3 224 P2( C, D, E, A, B, 6, 6, 2, 14 );
switches 0:5c4d7b2438d3 225 P2( B, C, D, E, A, 13, 5, 10, 13 );
switches 0:5c4d7b2438d3 226 P2( A, B, C, D, E, 11, 12, 0, 13 );
switches 0:5c4d7b2438d3 227 P2( E, A, B, C, D, 5, 7, 4, 7 );
switches 0:5c4d7b2438d3 228 P2( D, E, A, B, C, 12, 5, 13, 5 );
switches 0:5c4d7b2438d3 229 #undef F
switches 0:5c4d7b2438d3 230 #undef K
switches 0:5c4d7b2438d3 231 #undef Fp
switches 0:5c4d7b2438d3 232 #undef Kp
switches 0:5c4d7b2438d3 233
switches 0:5c4d7b2438d3 234 #define F F4
switches 0:5c4d7b2438d3 235 #define K 0x8F1BBCDC
switches 0:5c4d7b2438d3 236 #define Fp F2
switches 0:5c4d7b2438d3 237 #define Kp 0x7A6D76E9
switches 0:5c4d7b2438d3 238 P2( C, D, E, A, B, 1, 11, 8, 15 );
switches 0:5c4d7b2438d3 239 P2( B, C, D, E, A, 9, 12, 6, 5 );
switches 0:5c4d7b2438d3 240 P2( A, B, C, D, E, 11, 14, 4, 8 );
switches 0:5c4d7b2438d3 241 P2( E, A, B, C, D, 10, 15, 1, 11 );
switches 0:5c4d7b2438d3 242 P2( D, E, A, B, C, 0, 14, 3, 14 );
switches 0:5c4d7b2438d3 243 P2( C, D, E, A, B, 8, 15, 11, 14 );
switches 0:5c4d7b2438d3 244 P2( B, C, D, E, A, 12, 9, 15, 6 );
switches 0:5c4d7b2438d3 245 P2( A, B, C, D, E, 4, 8, 0, 14 );
switches 0:5c4d7b2438d3 246 P2( E, A, B, C, D, 13, 9, 5, 6 );
switches 0:5c4d7b2438d3 247 P2( D, E, A, B, C, 3, 14, 12, 9 );
switches 0:5c4d7b2438d3 248 P2( C, D, E, A, B, 7, 5, 2, 12 );
switches 0:5c4d7b2438d3 249 P2( B, C, D, E, A, 15, 6, 13, 9 );
switches 0:5c4d7b2438d3 250 P2( A, B, C, D, E, 14, 8, 9, 12 );
switches 0:5c4d7b2438d3 251 P2( E, A, B, C, D, 5, 6, 7, 5 );
switches 0:5c4d7b2438d3 252 P2( D, E, A, B, C, 6, 5, 10, 15 );
switches 0:5c4d7b2438d3 253 P2( C, D, E, A, B, 2, 12, 14, 8 );
switches 0:5c4d7b2438d3 254 #undef F
switches 0:5c4d7b2438d3 255 #undef K
switches 0:5c4d7b2438d3 256 #undef Fp
switches 0:5c4d7b2438d3 257 #undef Kp
switches 0:5c4d7b2438d3 258
switches 0:5c4d7b2438d3 259 #define F F5
switches 0:5c4d7b2438d3 260 #define K 0xA953FD4E
switches 0:5c4d7b2438d3 261 #define Fp F1
switches 0:5c4d7b2438d3 262 #define Kp 0x00000000
switches 0:5c4d7b2438d3 263 P2( B, C, D, E, A, 4, 9, 12, 8 );
switches 0:5c4d7b2438d3 264 P2( A, B, C, D, E, 0, 15, 15, 5 );
switches 0:5c4d7b2438d3 265 P2( E, A, B, C, D, 5, 5, 10, 12 );
switches 0:5c4d7b2438d3 266 P2( D, E, A, B, C, 9, 11, 4, 9 );
switches 0:5c4d7b2438d3 267 P2( C, D, E, A, B, 7, 6, 1, 12 );
switches 0:5c4d7b2438d3 268 P2( B, C, D, E, A, 12, 8, 5, 5 );
switches 0:5c4d7b2438d3 269 P2( A, B, C, D, E, 2, 13, 8, 14 );
switches 0:5c4d7b2438d3 270 P2( E, A, B, C, D, 10, 12, 7, 6 );
switches 0:5c4d7b2438d3 271 P2( D, E, A, B, C, 14, 5, 6, 8 );
switches 0:5c4d7b2438d3 272 P2( C, D, E, A, B, 1, 12, 2, 13 );
switches 0:5c4d7b2438d3 273 P2( B, C, D, E, A, 3, 13, 13, 6 );
switches 0:5c4d7b2438d3 274 P2( A, B, C, D, E, 8, 14, 14, 5 );
switches 0:5c4d7b2438d3 275 P2( E, A, B, C, D, 11, 11, 0, 15 );
switches 0:5c4d7b2438d3 276 P2( D, E, A, B, C, 6, 8, 3, 13 );
switches 0:5c4d7b2438d3 277 P2( C, D, E, A, B, 15, 5, 9, 11 );
switches 0:5c4d7b2438d3 278 P2( B, C, D, E, A, 13, 6, 11, 11 );
switches 0:5c4d7b2438d3 279 #undef F
switches 0:5c4d7b2438d3 280 #undef K
switches 0:5c4d7b2438d3 281 #undef Fp
switches 0:5c4d7b2438d3 282 #undef Kp
switches 0:5c4d7b2438d3 283
switches 0:5c4d7b2438d3 284 C = ctx->state[1] + C + Dp;
switches 0:5c4d7b2438d3 285 ctx->state[1] = ctx->state[2] + D + Ep;
switches 0:5c4d7b2438d3 286 ctx->state[2] = ctx->state[3] + E + Ap;
switches 0:5c4d7b2438d3 287 ctx->state[3] = ctx->state[4] + A + Bp;
switches 0:5c4d7b2438d3 288 ctx->state[4] = ctx->state[0] + B + Cp;
switches 0:5c4d7b2438d3 289 ctx->state[0] = C;
switches 0:5c4d7b2438d3 290 }
switches 0:5c4d7b2438d3 291 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
switches 0:5c4d7b2438d3 292
switches 0:5c4d7b2438d3 293 /*
switches 0:5c4d7b2438d3 294 * RIPEMD-160 process buffer
switches 0:5c4d7b2438d3 295 */
switches 0:5c4d7b2438d3 296 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
switches 0:5c4d7b2438d3 297 const unsigned char *input, size_t ilen )
switches 0:5c4d7b2438d3 298 {
switches 0:5c4d7b2438d3 299 size_t fill;
switches 0:5c4d7b2438d3 300 uint32_t left;
switches 0:5c4d7b2438d3 301
switches 0:5c4d7b2438d3 302 if( ilen == 0 )
switches 0:5c4d7b2438d3 303 return;
switches 0:5c4d7b2438d3 304
switches 0:5c4d7b2438d3 305 left = ctx->total[0] & 0x3F;
switches 0:5c4d7b2438d3 306 fill = 64 - left;
switches 0:5c4d7b2438d3 307
switches 0:5c4d7b2438d3 308 ctx->total[0] += (uint32_t) ilen;
switches 0:5c4d7b2438d3 309 ctx->total[0] &= 0xFFFFFFFF;
switches 0:5c4d7b2438d3 310
switches 0:5c4d7b2438d3 311 if( ctx->total[0] < (uint32_t) ilen )
switches 0:5c4d7b2438d3 312 ctx->total[1]++;
switches 0:5c4d7b2438d3 313
switches 0:5c4d7b2438d3 314 if( left && ilen >= fill )
switches 0:5c4d7b2438d3 315 {
switches 0:5c4d7b2438d3 316 memcpy( (void *) (ctx->buffer + left), input, fill );
switches 0:5c4d7b2438d3 317 mbedtls_ripemd160_process( ctx, ctx->buffer );
switches 0:5c4d7b2438d3 318 input += fill;
switches 0:5c4d7b2438d3 319 ilen -= fill;
switches 0:5c4d7b2438d3 320 left = 0;
switches 0:5c4d7b2438d3 321 }
switches 0:5c4d7b2438d3 322
switches 0:5c4d7b2438d3 323 while( ilen >= 64 )
switches 0:5c4d7b2438d3 324 {
switches 0:5c4d7b2438d3 325 mbedtls_ripemd160_process( ctx, input );
switches 0:5c4d7b2438d3 326 input += 64;
switches 0:5c4d7b2438d3 327 ilen -= 64;
switches 0:5c4d7b2438d3 328 }
switches 0:5c4d7b2438d3 329
switches 0:5c4d7b2438d3 330 if( ilen > 0 )
switches 0:5c4d7b2438d3 331 {
switches 0:5c4d7b2438d3 332 memcpy( (void *) (ctx->buffer + left), input, ilen );
switches 0:5c4d7b2438d3 333 }
switches 0:5c4d7b2438d3 334 }
switches 0:5c4d7b2438d3 335
switches 0:5c4d7b2438d3 336 static const unsigned char ripemd160_padding[64] =
switches 0:5c4d7b2438d3 337 {
switches 0:5c4d7b2438d3 338 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
switches 0:5c4d7b2438d3 339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
switches 0:5c4d7b2438d3 340 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
switches 0:5c4d7b2438d3 341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
switches 0:5c4d7b2438d3 342 };
switches 0:5c4d7b2438d3 343
switches 0:5c4d7b2438d3 344 /*
switches 0:5c4d7b2438d3 345 * RIPEMD-160 final digest
switches 0:5c4d7b2438d3 346 */
switches 0:5c4d7b2438d3 347 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
switches 0:5c4d7b2438d3 348 {
switches 0:5c4d7b2438d3 349 uint32_t last, padn;
switches 0:5c4d7b2438d3 350 uint32_t high, low;
switches 0:5c4d7b2438d3 351 unsigned char msglen[8];
switches 0:5c4d7b2438d3 352
switches 0:5c4d7b2438d3 353 high = ( ctx->total[0] >> 29 )
switches 0:5c4d7b2438d3 354 | ( ctx->total[1] << 3 );
switches 0:5c4d7b2438d3 355 low = ( ctx->total[0] << 3 );
switches 0:5c4d7b2438d3 356
switches 0:5c4d7b2438d3 357 PUT_UINT32_LE( low, msglen, 0 );
switches 0:5c4d7b2438d3 358 PUT_UINT32_LE( high, msglen, 4 );
switches 0:5c4d7b2438d3 359
switches 0:5c4d7b2438d3 360 last = ctx->total[0] & 0x3F;
switches 0:5c4d7b2438d3 361 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
switches 0:5c4d7b2438d3 362
switches 0:5c4d7b2438d3 363 mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
switches 0:5c4d7b2438d3 364 mbedtls_ripemd160_update( ctx, msglen, 8 );
switches 0:5c4d7b2438d3 365
switches 0:5c4d7b2438d3 366 PUT_UINT32_LE( ctx->state[0], output, 0 );
switches 0:5c4d7b2438d3 367 PUT_UINT32_LE( ctx->state[1], output, 4 );
switches 0:5c4d7b2438d3 368 PUT_UINT32_LE( ctx->state[2], output, 8 );
switches 0:5c4d7b2438d3 369 PUT_UINT32_LE( ctx->state[3], output, 12 );
switches 0:5c4d7b2438d3 370 PUT_UINT32_LE( ctx->state[4], output, 16 );
switches 0:5c4d7b2438d3 371 }
switches 0:5c4d7b2438d3 372
switches 0:5c4d7b2438d3 373 /*
switches 0:5c4d7b2438d3 374 * output = RIPEMD-160( input buffer )
switches 0:5c4d7b2438d3 375 */
switches 0:5c4d7b2438d3 376 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
switches 0:5c4d7b2438d3 377 unsigned char output[20] )
switches 0:5c4d7b2438d3 378 {
switches 0:5c4d7b2438d3 379 mbedtls_ripemd160_context ctx;
switches 0:5c4d7b2438d3 380
switches 0:5c4d7b2438d3 381 mbedtls_ripemd160_init( &ctx );
switches 0:5c4d7b2438d3 382 mbedtls_ripemd160_starts( &ctx );
switches 0:5c4d7b2438d3 383 mbedtls_ripemd160_update( &ctx, input, ilen );
switches 0:5c4d7b2438d3 384 mbedtls_ripemd160_finish( &ctx, output );
switches 0:5c4d7b2438d3 385 mbedtls_ripemd160_free( &ctx );
switches 0:5c4d7b2438d3 386 }
switches 0:5c4d7b2438d3 387
switches 0:5c4d7b2438d3 388 #if defined(MBEDTLS_SELF_TEST)
switches 0:5c4d7b2438d3 389 /*
switches 0:5c4d7b2438d3 390 * Test vectors from the RIPEMD-160 paper and
switches 0:5c4d7b2438d3 391 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
switches 0:5c4d7b2438d3 392 */
switches 0:5c4d7b2438d3 393 #define TESTS 8
switches 0:5c4d7b2438d3 394 #define KEYS 2
switches 0:5c4d7b2438d3 395 static const char *ripemd160_test_input[TESTS] =
switches 0:5c4d7b2438d3 396 {
switches 0:5c4d7b2438d3 397 "",
switches 0:5c4d7b2438d3 398 "a",
switches 0:5c4d7b2438d3 399 "abc",
switches 0:5c4d7b2438d3 400 "message digest",
switches 0:5c4d7b2438d3 401 "abcdefghijklmnopqrstuvwxyz",
switches 0:5c4d7b2438d3 402 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
switches 0:5c4d7b2438d3 403 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
switches 0:5c4d7b2438d3 404 "1234567890123456789012345678901234567890"
switches 0:5c4d7b2438d3 405 "1234567890123456789012345678901234567890",
switches 0:5c4d7b2438d3 406 };
switches 0:5c4d7b2438d3 407
switches 0:5c4d7b2438d3 408 static const unsigned char ripemd160_test_md[TESTS][20] =
switches 0:5c4d7b2438d3 409 {
switches 0:5c4d7b2438d3 410 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
switches 0:5c4d7b2438d3 411 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
switches 0:5c4d7b2438d3 412 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
switches 0:5c4d7b2438d3 413 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
switches 0:5c4d7b2438d3 414 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
switches 0:5c4d7b2438d3 415 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
switches 0:5c4d7b2438d3 416 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
switches 0:5c4d7b2438d3 417 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
switches 0:5c4d7b2438d3 418 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
switches 0:5c4d7b2438d3 419 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
switches 0:5c4d7b2438d3 420 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
switches 0:5c4d7b2438d3 421 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
switches 0:5c4d7b2438d3 422 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
switches 0:5c4d7b2438d3 423 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
switches 0:5c4d7b2438d3 424 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
switches 0:5c4d7b2438d3 425 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
switches 0:5c4d7b2438d3 426 };
switches 0:5c4d7b2438d3 427
switches 0:5c4d7b2438d3 428 /*
switches 0:5c4d7b2438d3 429 * Checkup routine
switches 0:5c4d7b2438d3 430 */
switches 0:5c4d7b2438d3 431 int mbedtls_ripemd160_self_test( int verbose )
switches 0:5c4d7b2438d3 432 {
switches 0:5c4d7b2438d3 433 int i;
switches 0:5c4d7b2438d3 434 unsigned char output[20];
switches 0:5c4d7b2438d3 435
switches 0:5c4d7b2438d3 436 memset( output, 0, sizeof output );
switches 0:5c4d7b2438d3 437
switches 0:5c4d7b2438d3 438 for( i = 0; i < TESTS; i++ )
switches 0:5c4d7b2438d3 439 {
switches 0:5c4d7b2438d3 440 if( verbose != 0 )
switches 0:5c4d7b2438d3 441 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
switches 0:5c4d7b2438d3 442
switches 0:5c4d7b2438d3 443 mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
switches 0:5c4d7b2438d3 444 strlen( ripemd160_test_input[i] ),
switches 0:5c4d7b2438d3 445 output );
switches 0:5c4d7b2438d3 446
switches 0:5c4d7b2438d3 447 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
switches 0:5c4d7b2438d3 448 {
switches 0:5c4d7b2438d3 449 if( verbose != 0 )
switches 0:5c4d7b2438d3 450 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 451
switches 0:5c4d7b2438d3 452 return( 1 );
switches 0:5c4d7b2438d3 453 }
switches 0:5c4d7b2438d3 454
switches 0:5c4d7b2438d3 455 if( verbose != 0 )
switches 0:5c4d7b2438d3 456 mbedtls_printf( "passed\n" );
switches 0:5c4d7b2438d3 457 }
switches 0:5c4d7b2438d3 458
switches 0:5c4d7b2438d3 459 if( verbose != 0 )
switches 0:5c4d7b2438d3 460 mbedtls_printf( "\n" );
switches 0:5c4d7b2438d3 461
switches 0:5c4d7b2438d3 462 return( 0 );
switches 0:5c4d7b2438d3 463 }
switches 0:5c4d7b2438d3 464
switches 0:5c4d7b2438d3 465 #endif /* MBEDTLS_SELF_TEST */
switches 0:5c4d7b2438d3 466
switches 0:5c4d7b2438d3 467 #endif /* MBEDTLS_RIPEMD160_C */