Kev Mann / mbed-dev-OS5_10_4

RTC auf true

features/mbedtls/src/ripemd160.c@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /*
kevman 0:38ceb79fef03 2 * RIPE MD-160 implementation
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
kevman 0:38ceb79fef03 5 * SPDX-License-Identifier: Apache-2.0
kevman 0:38ceb79fef03 6 *
kevman 0:38ceb79fef03 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
kevman 0:38ceb79fef03 8 * not use this file except in compliance with the License.
kevman 0:38ceb79fef03 9 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 10 *
kevman 0:38ceb79fef03 11 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 12 *
kevman 0:38ceb79fef03 13 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
kevman 0:38ceb79fef03 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 16 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 17 * limitations under the License.
kevman 0:38ceb79fef03 18 *
kevman 0:38ceb79fef03 19 * This file is part of mbed TLS (https://tls.mbed.org)
kevman 0:38ceb79fef03 20 */
kevman 0:38ceb79fef03 21
kevman 0:38ceb79fef03 22 /*
kevman 0:38ceb79fef03 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
kevman 0:38ceb79fef03 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
kevman 0:38ceb79fef03 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
kevman 0:38ceb79fef03 26 */
kevman 0:38ceb79fef03 27
kevman 0:38ceb79fef03 28 #if !defined(MBEDTLS_CONFIG_FILE)
kevman 0:38ceb79fef03 29 #include "mbedtls/config.h"
kevman 0:38ceb79fef03 30 #else
kevman 0:38ceb79fef03 31 #include MBEDTLS_CONFIG_FILE
kevman 0:38ceb79fef03 32 #endif
kevman 0:38ceb79fef03 33
kevman 0:38ceb79fef03 34 #if defined(MBEDTLS_RIPEMD160_C)
kevman 0:38ceb79fef03 35
kevman 0:38ceb79fef03 36 #include "mbedtls/ripemd160.h"
kevman 0:38ceb79fef03 37 #include "mbedtls/platform_util.h"
kevman 0:38ceb79fef03 38
kevman 0:38ceb79fef03 39 #include <string.h>
kevman 0:38ceb79fef03 40
kevman 0:38ceb79fef03 41 #if defined(MBEDTLS_SELF_TEST)
kevman 0:38ceb79fef03 42 #if defined(MBEDTLS_PLATFORM_C)
kevman 0:38ceb79fef03 43 #include "mbedtls/platform.h"
kevman 0:38ceb79fef03 44 #else
kevman 0:38ceb79fef03 45 #include <stdio.h>
kevman 0:38ceb79fef03 46 #define mbedtls_printf printf
kevman 0:38ceb79fef03 47 #endif /* MBEDTLS_PLATFORM_C */
kevman 0:38ceb79fef03 48 #endif /* MBEDTLS_SELF_TEST */
kevman 0:38ceb79fef03 49
kevman 0:38ceb79fef03 50 #if !defined(MBEDTLS_RIPEMD160_ALT)
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 /*
kevman 0:38ceb79fef03 53 * 32-bit integer manipulation macros (little endian)
kevman 0:38ceb79fef03 54 */
kevman 0:38ceb79fef03 55 #ifndef GET_UINT32_LE
kevman 0:38ceb79fef03 56 #define GET_UINT32_LE(n,b,i) \
kevman 0:38ceb79fef03 57 { \
kevman 0:38ceb79fef03 58 (n) = ( (uint32_t) (b)[(i) ] ) \
kevman 0:38ceb79fef03 59 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
kevman 0:38ceb79fef03 60 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
kevman 0:38ceb79fef03 61 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
kevman 0:38ceb79fef03 62 }
kevman 0:38ceb79fef03 63 #endif
kevman 0:38ceb79fef03 64
kevman 0:38ceb79fef03 65 #ifndef PUT_UINT32_LE
kevman 0:38ceb79fef03 66 #define PUT_UINT32_LE(n,b,i) \
kevman 0:38ceb79fef03 67 { \
kevman 0:38ceb79fef03 68 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
kevman 0:38ceb79fef03 69 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
kevman 0:38ceb79fef03 70 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
kevman 0:38ceb79fef03 71 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
kevman 0:38ceb79fef03 72 }
kevman 0:38ceb79fef03 73 #endif
kevman 0:38ceb79fef03 74
kevman 0:38ceb79fef03 75 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
kevman 0:38ceb79fef03 76 {
kevman 0:38ceb79fef03 77 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
kevman 0:38ceb79fef03 78 }
kevman 0:38ceb79fef03 79
kevman 0:38ceb79fef03 80 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
kevman 0:38ceb79fef03 81 {
kevman 0:38ceb79fef03 82 if( ctx == NULL )
kevman 0:38ceb79fef03 83 return;
kevman 0:38ceb79fef03 84
kevman 0:38ceb79fef03 85 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
kevman 0:38ceb79fef03 86 }
kevman 0:38ceb79fef03 87
kevman 0:38ceb79fef03 88 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
kevman 0:38ceb79fef03 89 const mbedtls_ripemd160_context *src )
kevman 0:38ceb79fef03 90 {
kevman 0:38ceb79fef03 91 *dst = *src;
kevman 0:38ceb79fef03 92 }
kevman 0:38ceb79fef03 93
kevman 0:38ceb79fef03 94 /*
kevman 0:38ceb79fef03 95 * RIPEMD-160 context setup
kevman 0:38ceb79fef03 96 */
kevman 0:38ceb79fef03 97 int mbedtls_ripemd160_starts_ret( mbedtls_ripemd160_context *ctx )
kevman 0:38ceb79fef03 98 {
kevman 0:38ceb79fef03 99 ctx->total[0] = 0;
kevman 0:38ceb79fef03 100 ctx->total[1] = 0;
kevman 0:38ceb79fef03 101
kevman 0:38ceb79fef03 102 ctx->state[0] = 0x67452301;
kevman 0:38ceb79fef03 103 ctx->state[1] = 0xEFCDAB89;
kevman 0:38ceb79fef03 104 ctx->state[2] = 0x98BADCFE;
kevman 0:38ceb79fef03 105 ctx->state[3] = 0x10325476;
kevman 0:38ceb79fef03 106 ctx->state[4] = 0xC3D2E1F0;
kevman 0:38ceb79fef03 107
kevman 0:38ceb79fef03 108 return( 0 );
kevman 0:38ceb79fef03 109 }
kevman 0:38ceb79fef03 110
kevman 0:38ceb79fef03 111 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 112 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
kevman 0:38ceb79fef03 113 {
kevman 0:38ceb79fef03 114 mbedtls_ripemd160_starts_ret( ctx );
kevman 0:38ceb79fef03 115 }
kevman 0:38ceb79fef03 116 #endif
kevman 0:38ceb79fef03 117
kevman 0:38ceb79fef03 118 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
kevman 0:38ceb79fef03 119 /*
kevman 0:38ceb79fef03 120 * Process one block
kevman 0:38ceb79fef03 121 */
kevman 0:38ceb79fef03 122 int mbedtls_internal_ripemd160_process( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 123 const unsigned char data[64] )
kevman 0:38ceb79fef03 124 {
kevman 0:38ceb79fef03 125 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
kevman 0:38ceb79fef03 126
kevman 0:38ceb79fef03 127 GET_UINT32_LE( X[ 0], data, 0 );
kevman 0:38ceb79fef03 128 GET_UINT32_LE( X[ 1], data, 4 );
kevman 0:38ceb79fef03 129 GET_UINT32_LE( X[ 2], data, 8 );
kevman 0:38ceb79fef03 130 GET_UINT32_LE( X[ 3], data, 12 );
kevman 0:38ceb79fef03 131 GET_UINT32_LE( X[ 4], data, 16 );
kevman 0:38ceb79fef03 132 GET_UINT32_LE( X[ 5], data, 20 );
kevman 0:38ceb79fef03 133 GET_UINT32_LE( X[ 6], data, 24 );
kevman 0:38ceb79fef03 134 GET_UINT32_LE( X[ 7], data, 28 );
kevman 0:38ceb79fef03 135 GET_UINT32_LE( X[ 8], data, 32 );
kevman 0:38ceb79fef03 136 GET_UINT32_LE( X[ 9], data, 36 );
kevman 0:38ceb79fef03 137 GET_UINT32_LE( X[10], data, 40 );
kevman 0:38ceb79fef03 138 GET_UINT32_LE( X[11], data, 44 );
kevman 0:38ceb79fef03 139 GET_UINT32_LE( X[12], data, 48 );
kevman 0:38ceb79fef03 140 GET_UINT32_LE( X[13], data, 52 );
kevman 0:38ceb79fef03 141 GET_UINT32_LE( X[14], data, 56 );
kevman 0:38ceb79fef03 142 GET_UINT32_LE( X[15], data, 60 );
kevman 0:38ceb79fef03 143
kevman 0:38ceb79fef03 144 A = Ap = ctx->state[0];
kevman 0:38ceb79fef03 145 B = Bp = ctx->state[1];
kevman 0:38ceb79fef03 146 C = Cp = ctx->state[2];
kevman 0:38ceb79fef03 147 D = Dp = ctx->state[3];
kevman 0:38ceb79fef03 148 E = Ep = ctx->state[4];
kevman 0:38ceb79fef03 149
kevman 0:38ceb79fef03 150 #define F1( x, y, z ) ( x ^ y ^ z )
kevman 0:38ceb79fef03 151 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
kevman 0:38ceb79fef03 152 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
kevman 0:38ceb79fef03 153 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
kevman 0:38ceb79fef03 154 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
kevman 0:38ceb79fef03 155
kevman 0:38ceb79fef03 156 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
kevman 0:38ceb79fef03 157
kevman 0:38ceb79fef03 158 #define P( a, b, c, d, e, r, s, f, k ) \
kevman 0:38ceb79fef03 159 a += f( b, c, d ) + X[r] + k; \
kevman 0:38ceb79fef03 160 a = S( a, s ) + e; \
kevman 0:38ceb79fef03 161 c = S( c, 10 );
kevman 0:38ceb79fef03 162
kevman 0:38ceb79fef03 163 #define P2( a, b, c, d, e, r, s, rp, sp ) \
kevman 0:38ceb79fef03 164 P( a, b, c, d, e, r, s, F, K ); \
kevman 0:38ceb79fef03 165 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
kevman 0:38ceb79fef03 166
kevman 0:38ceb79fef03 167 #define F F1
kevman 0:38ceb79fef03 168 #define K 0x00000000
kevman 0:38ceb79fef03 169 #define Fp F5
kevman 0:38ceb79fef03 170 #define Kp 0x50A28BE6
kevman 0:38ceb79fef03 171 P2( A, B, C, D, E, 0, 11, 5, 8 );
kevman 0:38ceb79fef03 172 P2( E, A, B, C, D, 1, 14, 14, 9 );
kevman 0:38ceb79fef03 173 P2( D, E, A, B, C, 2, 15, 7, 9 );
kevman 0:38ceb79fef03 174 P2( C, D, E, A, B, 3, 12, 0, 11 );
kevman 0:38ceb79fef03 175 P2( B, C, D, E, A, 4, 5, 9, 13 );
kevman 0:38ceb79fef03 176 P2( A, B, C, D, E, 5, 8, 2, 15 );
kevman 0:38ceb79fef03 177 P2( E, A, B, C, D, 6, 7, 11, 15 );
kevman 0:38ceb79fef03 178 P2( D, E, A, B, C, 7, 9, 4, 5 );
kevman 0:38ceb79fef03 179 P2( C, D, E, A, B, 8, 11, 13, 7 );
kevman 0:38ceb79fef03 180 P2( B, C, D, E, A, 9, 13, 6, 7 );
kevman 0:38ceb79fef03 181 P2( A, B, C, D, E, 10, 14, 15, 8 );
kevman 0:38ceb79fef03 182 P2( E, A, B, C, D, 11, 15, 8, 11 );
kevman 0:38ceb79fef03 183 P2( D, E, A, B, C, 12, 6, 1, 14 );
kevman 0:38ceb79fef03 184 P2( C, D, E, A, B, 13, 7, 10, 14 );
kevman 0:38ceb79fef03 185 P2( B, C, D, E, A, 14, 9, 3, 12 );
kevman 0:38ceb79fef03 186 P2( A, B, C, D, E, 15, 8, 12, 6 );
kevman 0:38ceb79fef03 187 #undef F
kevman 0:38ceb79fef03 188 #undef K
kevman 0:38ceb79fef03 189 #undef Fp
kevman 0:38ceb79fef03 190 #undef Kp
kevman 0:38ceb79fef03 191
kevman 0:38ceb79fef03 192 #define F F2
kevman 0:38ceb79fef03 193 #define K 0x5A827999
kevman 0:38ceb79fef03 194 #define Fp F4
kevman 0:38ceb79fef03 195 #define Kp 0x5C4DD124
kevman 0:38ceb79fef03 196 P2( E, A, B, C, D, 7, 7, 6, 9 );
kevman 0:38ceb79fef03 197 P2( D, E, A, B, C, 4, 6, 11, 13 );
kevman 0:38ceb79fef03 198 P2( C, D, E, A, B, 13, 8, 3, 15 );
kevman 0:38ceb79fef03 199 P2( B, C, D, E, A, 1, 13, 7, 7 );
kevman 0:38ceb79fef03 200 P2( A, B, C, D, E, 10, 11, 0, 12 );
kevman 0:38ceb79fef03 201 P2( E, A, B, C, D, 6, 9, 13, 8 );
kevman 0:38ceb79fef03 202 P2( D, E, A, B, C, 15, 7, 5, 9 );
kevman 0:38ceb79fef03 203 P2( C, D, E, A, B, 3, 15, 10, 11 );
kevman 0:38ceb79fef03 204 P2( B, C, D, E, A, 12, 7, 14, 7 );
kevman 0:38ceb79fef03 205 P2( A, B, C, D, E, 0, 12, 15, 7 );
kevman 0:38ceb79fef03 206 P2( E, A, B, C, D, 9, 15, 8, 12 );
kevman 0:38ceb79fef03 207 P2( D, E, A, B, C, 5, 9, 12, 7 );
kevman 0:38ceb79fef03 208 P2( C, D, E, A, B, 2, 11, 4, 6 );
kevman 0:38ceb79fef03 209 P2( B, C, D, E, A, 14, 7, 9, 15 );
kevman 0:38ceb79fef03 210 P2( A, B, C, D, E, 11, 13, 1, 13 );
kevman 0:38ceb79fef03 211 P2( E, A, B, C, D, 8, 12, 2, 11 );
kevman 0:38ceb79fef03 212 #undef F
kevman 0:38ceb79fef03 213 #undef K
kevman 0:38ceb79fef03 214 #undef Fp
kevman 0:38ceb79fef03 215 #undef Kp
kevman 0:38ceb79fef03 216
kevman 0:38ceb79fef03 217 #define F F3
kevman 0:38ceb79fef03 218 #define K 0x6ED9EBA1
kevman 0:38ceb79fef03 219 #define Fp F3
kevman 0:38ceb79fef03 220 #define Kp 0x6D703EF3
kevman 0:38ceb79fef03 221 P2( D, E, A, B, C, 3, 11, 15, 9 );
kevman 0:38ceb79fef03 222 P2( C, D, E, A, B, 10, 13, 5, 7 );
kevman 0:38ceb79fef03 223 P2( B, C, D, E, A, 14, 6, 1, 15 );
kevman 0:38ceb79fef03 224 P2( A, B, C, D, E, 4, 7, 3, 11 );
kevman 0:38ceb79fef03 225 P2( E, A, B, C, D, 9, 14, 7, 8 );
kevman 0:38ceb79fef03 226 P2( D, E, A, B, C, 15, 9, 14, 6 );
kevman 0:38ceb79fef03 227 P2( C, D, E, A, B, 8, 13, 6, 6 );
kevman 0:38ceb79fef03 228 P2( B, C, D, E, A, 1, 15, 9, 14 );
kevman 0:38ceb79fef03 229 P2( A, B, C, D, E, 2, 14, 11, 12 );
kevman 0:38ceb79fef03 230 P2( E, A, B, C, D, 7, 8, 8, 13 );
kevman 0:38ceb79fef03 231 P2( D, E, A, B, C, 0, 13, 12, 5 );
kevman 0:38ceb79fef03 232 P2( C, D, E, A, B, 6, 6, 2, 14 );
kevman 0:38ceb79fef03 233 P2( B, C, D, E, A, 13, 5, 10, 13 );
kevman 0:38ceb79fef03 234 P2( A, B, C, D, E, 11, 12, 0, 13 );
kevman 0:38ceb79fef03 235 P2( E, A, B, C, D, 5, 7, 4, 7 );
kevman 0:38ceb79fef03 236 P2( D, E, A, B, C, 12, 5, 13, 5 );
kevman 0:38ceb79fef03 237 #undef F
kevman 0:38ceb79fef03 238 #undef K
kevman 0:38ceb79fef03 239 #undef Fp
kevman 0:38ceb79fef03 240 #undef Kp
kevman 0:38ceb79fef03 241
kevman 0:38ceb79fef03 242 #define F F4
kevman 0:38ceb79fef03 243 #define K 0x8F1BBCDC
kevman 0:38ceb79fef03 244 #define Fp F2
kevman 0:38ceb79fef03 245 #define Kp 0x7A6D76E9
kevman 0:38ceb79fef03 246 P2( C, D, E, A, B, 1, 11, 8, 15 );
kevman 0:38ceb79fef03 247 P2( B, C, D, E, A, 9, 12, 6, 5 );
kevman 0:38ceb79fef03 248 P2( A, B, C, D, E, 11, 14, 4, 8 );
kevman 0:38ceb79fef03 249 P2( E, A, B, C, D, 10, 15, 1, 11 );
kevman 0:38ceb79fef03 250 P2( D, E, A, B, C, 0, 14, 3, 14 );
kevman 0:38ceb79fef03 251 P2( C, D, E, A, B, 8, 15, 11, 14 );
kevman 0:38ceb79fef03 252 P2( B, C, D, E, A, 12, 9, 15, 6 );
kevman 0:38ceb79fef03 253 P2( A, B, C, D, E, 4, 8, 0, 14 );
kevman 0:38ceb79fef03 254 P2( E, A, B, C, D, 13, 9, 5, 6 );
kevman 0:38ceb79fef03 255 P2( D, E, A, B, C, 3, 14, 12, 9 );
kevman 0:38ceb79fef03 256 P2( C, D, E, A, B, 7, 5, 2, 12 );
kevman 0:38ceb79fef03 257 P2( B, C, D, E, A, 15, 6, 13, 9 );
kevman 0:38ceb79fef03 258 P2( A, B, C, D, E, 14, 8, 9, 12 );
kevman 0:38ceb79fef03 259 P2( E, A, B, C, D, 5, 6, 7, 5 );
kevman 0:38ceb79fef03 260 P2( D, E, A, B, C, 6, 5, 10, 15 );
kevman 0:38ceb79fef03 261 P2( C, D, E, A, B, 2, 12, 14, 8 );
kevman 0:38ceb79fef03 262 #undef F
kevman 0:38ceb79fef03 263 #undef K
kevman 0:38ceb79fef03 264 #undef Fp
kevman 0:38ceb79fef03 265 #undef Kp
kevman 0:38ceb79fef03 266
kevman 0:38ceb79fef03 267 #define F F5
kevman 0:38ceb79fef03 268 #define K 0xA953FD4E
kevman 0:38ceb79fef03 269 #define Fp F1
kevman 0:38ceb79fef03 270 #define Kp 0x00000000
kevman 0:38ceb79fef03 271 P2( B, C, D, E, A, 4, 9, 12, 8 );
kevman 0:38ceb79fef03 272 P2( A, B, C, D, E, 0, 15, 15, 5 );
kevman 0:38ceb79fef03 273 P2( E, A, B, C, D, 5, 5, 10, 12 );
kevman 0:38ceb79fef03 274 P2( D, E, A, B, C, 9, 11, 4, 9 );
kevman 0:38ceb79fef03 275 P2( C, D, E, A, B, 7, 6, 1, 12 );
kevman 0:38ceb79fef03 276 P2( B, C, D, E, A, 12, 8, 5, 5 );
kevman 0:38ceb79fef03 277 P2( A, B, C, D, E, 2, 13, 8, 14 );
kevman 0:38ceb79fef03 278 P2( E, A, B, C, D, 10, 12, 7, 6 );
kevman 0:38ceb79fef03 279 P2( D, E, A, B, C, 14, 5, 6, 8 );
kevman 0:38ceb79fef03 280 P2( C, D, E, A, B, 1, 12, 2, 13 );
kevman 0:38ceb79fef03 281 P2( B, C, D, E, A, 3, 13, 13, 6 );
kevman 0:38ceb79fef03 282 P2( A, B, C, D, E, 8, 14, 14, 5 );
kevman 0:38ceb79fef03 283 P2( E, A, B, C, D, 11, 11, 0, 15 );
kevman 0:38ceb79fef03 284 P2( D, E, A, B, C, 6, 8, 3, 13 );
kevman 0:38ceb79fef03 285 P2( C, D, E, A, B, 15, 5, 9, 11 );
kevman 0:38ceb79fef03 286 P2( B, C, D, E, A, 13, 6, 11, 11 );
kevman 0:38ceb79fef03 287 #undef F
kevman 0:38ceb79fef03 288 #undef K
kevman 0:38ceb79fef03 289 #undef Fp
kevman 0:38ceb79fef03 290 #undef Kp
kevman 0:38ceb79fef03 291
kevman 0:38ceb79fef03 292 C = ctx->state[1] + C + Dp;
kevman 0:38ceb79fef03 293 ctx->state[1] = ctx->state[2] + D + Ep;
kevman 0:38ceb79fef03 294 ctx->state[2] = ctx->state[3] + E + Ap;
kevman 0:38ceb79fef03 295 ctx->state[3] = ctx->state[4] + A + Bp;
kevman 0:38ceb79fef03 296 ctx->state[4] = ctx->state[0] + B + Cp;
kevman 0:38ceb79fef03 297 ctx->state[0] = C;
kevman 0:38ceb79fef03 298
kevman 0:38ceb79fef03 299 return( 0 );
kevman 0:38ceb79fef03 300 }
kevman 0:38ceb79fef03 301
kevman 0:38ceb79fef03 302 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 303 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 304 const unsigned char data[64] )
kevman 0:38ceb79fef03 305 {
kevman 0:38ceb79fef03 306 mbedtls_internal_ripemd160_process( ctx, data );
kevman 0:38ceb79fef03 307 }
kevman 0:38ceb79fef03 308 #endif
kevman 0:38ceb79fef03 309 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
kevman 0:38ceb79fef03 310
kevman 0:38ceb79fef03 311 /*
kevman 0:38ceb79fef03 312 * RIPEMD-160 process buffer
kevman 0:38ceb79fef03 313 */
kevman 0:38ceb79fef03 314 int mbedtls_ripemd160_update_ret( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 315 const unsigned char *input,
kevman 0:38ceb79fef03 316 size_t ilen )
kevman 0:38ceb79fef03 317 {
kevman 0:38ceb79fef03 318 int ret;
kevman 0:38ceb79fef03 319 size_t fill;
kevman 0:38ceb79fef03 320 uint32_t left;
kevman 0:38ceb79fef03 321
kevman 0:38ceb79fef03 322 if( ilen == 0 )
kevman 0:38ceb79fef03 323 return( 0 );
kevman 0:38ceb79fef03 324
kevman 0:38ceb79fef03 325 left = ctx->total[0] & 0x3F;
kevman 0:38ceb79fef03 326 fill = 64 - left;
kevman 0:38ceb79fef03 327
kevman 0:38ceb79fef03 328 ctx->total[0] += (uint32_t) ilen;
kevman 0:38ceb79fef03 329 ctx->total[0] &= 0xFFFFFFFF;
kevman 0:38ceb79fef03 330
kevman 0:38ceb79fef03 331 if( ctx->total[0] < (uint32_t) ilen )
kevman 0:38ceb79fef03 332 ctx->total[1]++;
kevman 0:38ceb79fef03 333
kevman 0:38ceb79fef03 334 if( left && ilen >= fill )
kevman 0:38ceb79fef03 335 {
kevman 0:38ceb79fef03 336 memcpy( (void *) (ctx->buffer + left), input, fill );
kevman 0:38ceb79fef03 337
kevman 0:38ceb79fef03 338 if( ( ret = mbedtls_internal_ripemd160_process( ctx, ctx->buffer ) ) != 0 )
kevman 0:38ceb79fef03 339 return( ret );
kevman 0:38ceb79fef03 340
kevman 0:38ceb79fef03 341 input += fill;
kevman 0:38ceb79fef03 342 ilen -= fill;
kevman 0:38ceb79fef03 343 left = 0;
kevman 0:38ceb79fef03 344 }
kevman 0:38ceb79fef03 345
kevman 0:38ceb79fef03 346 while( ilen >= 64 )
kevman 0:38ceb79fef03 347 {
kevman 0:38ceb79fef03 348 if( ( ret = mbedtls_internal_ripemd160_process( ctx, input ) ) != 0 )
kevman 0:38ceb79fef03 349 return( ret );
kevman 0:38ceb79fef03 350
kevman 0:38ceb79fef03 351 input += 64;
kevman 0:38ceb79fef03 352 ilen -= 64;
kevman 0:38ceb79fef03 353 }
kevman 0:38ceb79fef03 354
kevman 0:38ceb79fef03 355 if( ilen > 0 )
kevman 0:38ceb79fef03 356 {
kevman 0:38ceb79fef03 357 memcpy( (void *) (ctx->buffer + left), input, ilen );
kevman 0:38ceb79fef03 358 }
kevman 0:38ceb79fef03 359
kevman 0:38ceb79fef03 360 return( 0 );
kevman 0:38ceb79fef03 361 }
kevman 0:38ceb79fef03 362
kevman 0:38ceb79fef03 363 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 364 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 365 const unsigned char *input,
kevman 0:38ceb79fef03 366 size_t ilen )
kevman 0:38ceb79fef03 367 {
kevman 0:38ceb79fef03 368 mbedtls_ripemd160_update_ret( ctx, input, ilen );
kevman 0:38ceb79fef03 369 }
kevman 0:38ceb79fef03 370 #endif
kevman 0:38ceb79fef03 371
kevman 0:38ceb79fef03 372 static const unsigned char ripemd160_padding[64] =
kevman 0:38ceb79fef03 373 {
kevman 0:38ceb79fef03 374 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
kevman 0:38ceb79fef03 375 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
kevman 0:38ceb79fef03 376 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
kevman 0:38ceb79fef03 377 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
kevman 0:38ceb79fef03 378 };
kevman 0:38ceb79fef03 379
kevman 0:38ceb79fef03 380 /*
kevman 0:38ceb79fef03 381 * RIPEMD-160 final digest
kevman 0:38ceb79fef03 382 */
kevman 0:38ceb79fef03 383 int mbedtls_ripemd160_finish_ret( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 384 unsigned char output[20] )
kevman 0:38ceb79fef03 385 {
kevman 0:38ceb79fef03 386 int ret;
kevman 0:38ceb79fef03 387 uint32_t last, padn;
kevman 0:38ceb79fef03 388 uint32_t high, low;
kevman 0:38ceb79fef03 389 unsigned char msglen[8];
kevman 0:38ceb79fef03 390
kevman 0:38ceb79fef03 391 high = ( ctx->total[0] >> 29 )
kevman 0:38ceb79fef03 392 | ( ctx->total[1] << 3 );
kevman 0:38ceb79fef03 393 low = ( ctx->total[0] << 3 );
kevman 0:38ceb79fef03 394
kevman 0:38ceb79fef03 395 PUT_UINT32_LE( low, msglen, 0 );
kevman 0:38ceb79fef03 396 PUT_UINT32_LE( high, msglen, 4 );
kevman 0:38ceb79fef03 397
kevman 0:38ceb79fef03 398 last = ctx->total[0] & 0x3F;
kevman 0:38ceb79fef03 399 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
kevman 0:38ceb79fef03 400
kevman 0:38ceb79fef03 401 ret = mbedtls_ripemd160_update_ret( ctx, ripemd160_padding, padn );
kevman 0:38ceb79fef03 402 if( ret != 0 )
kevman 0:38ceb79fef03 403 return( ret );
kevman 0:38ceb79fef03 404
kevman 0:38ceb79fef03 405 ret = mbedtls_ripemd160_update_ret( ctx, msglen, 8 );
kevman 0:38ceb79fef03 406 if( ret != 0 )
kevman 0:38ceb79fef03 407 return( ret );
kevman 0:38ceb79fef03 408
kevman 0:38ceb79fef03 409 PUT_UINT32_LE( ctx->state[0], output, 0 );
kevman 0:38ceb79fef03 410 PUT_UINT32_LE( ctx->state[1], output, 4 );
kevman 0:38ceb79fef03 411 PUT_UINT32_LE( ctx->state[2], output, 8 );
kevman 0:38ceb79fef03 412 PUT_UINT32_LE( ctx->state[3], output, 12 );
kevman 0:38ceb79fef03 413 PUT_UINT32_LE( ctx->state[4], output, 16 );
kevman 0:38ceb79fef03 414
kevman 0:38ceb79fef03 415 return( 0 );
kevman 0:38ceb79fef03 416 }
kevman 0:38ceb79fef03 417
kevman 0:38ceb79fef03 418 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 419 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx,
kevman 0:38ceb79fef03 420 unsigned char output[20] )
kevman 0:38ceb79fef03 421 {
kevman 0:38ceb79fef03 422 mbedtls_ripemd160_finish_ret( ctx, output );
kevman 0:38ceb79fef03 423 }
kevman 0:38ceb79fef03 424 #endif
kevman 0:38ceb79fef03 425
kevman 0:38ceb79fef03 426 #endif /* ! MBEDTLS_RIPEMD160_ALT */
kevman 0:38ceb79fef03 427
kevman 0:38ceb79fef03 428 /*
kevman 0:38ceb79fef03 429 * output = RIPEMD-160( input buffer )
kevman 0:38ceb79fef03 430 */
kevman 0:38ceb79fef03 431 int mbedtls_ripemd160_ret( const unsigned char *input,
kevman 0:38ceb79fef03 432 size_t ilen,
kevman 0:38ceb79fef03 433 unsigned char output[20] )
kevman 0:38ceb79fef03 434 {
kevman 0:38ceb79fef03 435 int ret;
kevman 0:38ceb79fef03 436 mbedtls_ripemd160_context ctx;
kevman 0:38ceb79fef03 437
kevman 0:38ceb79fef03 438 mbedtls_ripemd160_init( &ctx );
kevman 0:38ceb79fef03 439
kevman 0:38ceb79fef03 440 if( ( ret = mbedtls_ripemd160_starts_ret( &ctx ) ) != 0 )
kevman 0:38ceb79fef03 441 goto exit;
kevman 0:38ceb79fef03 442
kevman 0:38ceb79fef03 443 if( ( ret = mbedtls_ripemd160_update_ret( &ctx, input, ilen ) ) != 0 )
kevman 0:38ceb79fef03 444 goto exit;
kevman 0:38ceb79fef03 445
kevman 0:38ceb79fef03 446 if( ( ret = mbedtls_ripemd160_finish_ret( &ctx, output ) ) != 0 )
kevman 0:38ceb79fef03 447 goto exit;
kevman 0:38ceb79fef03 448
kevman 0:38ceb79fef03 449 exit:
kevman 0:38ceb79fef03 450 mbedtls_ripemd160_free( &ctx );
kevman 0:38ceb79fef03 451
kevman 0:38ceb79fef03 452 return( ret );
kevman 0:38ceb79fef03 453 }
kevman 0:38ceb79fef03 454
kevman 0:38ceb79fef03 455 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 456 void mbedtls_ripemd160( const unsigned char *input,
kevman 0:38ceb79fef03 457 size_t ilen,
kevman 0:38ceb79fef03 458 unsigned char output[20] )
kevman 0:38ceb79fef03 459 {
kevman 0:38ceb79fef03 460 mbedtls_ripemd160_ret( input, ilen, output );
kevman 0:38ceb79fef03 461 }
kevman 0:38ceb79fef03 462 #endif
kevman 0:38ceb79fef03 463
kevman 0:38ceb79fef03 464 #if defined(MBEDTLS_SELF_TEST)
kevman 0:38ceb79fef03 465 /*
kevman 0:38ceb79fef03 466 * Test vectors from the RIPEMD-160 paper and
kevman 0:38ceb79fef03 467 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
kevman 0:38ceb79fef03 468 */
kevman 0:38ceb79fef03 469 #define TESTS 8
kevman 0:38ceb79fef03 470 static const unsigned char ripemd160_test_str[TESTS][81] =
kevman 0:38ceb79fef03 471 {
kevman 0:38ceb79fef03 472 { "" },
kevman 0:38ceb79fef03 473 { "a" },
kevman 0:38ceb79fef03 474 { "abc" },
kevman 0:38ceb79fef03 475 { "message digest" },
kevman 0:38ceb79fef03 476 { "abcdefghijklmnopqrstuvwxyz" },
kevman 0:38ceb79fef03 477 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
kevman 0:38ceb79fef03 478 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
kevman 0:38ceb79fef03 479 { "12345678901234567890123456789012345678901234567890123456789012"
kevman 0:38ceb79fef03 480 "345678901234567890" },
kevman 0:38ceb79fef03 481 };
kevman 0:38ceb79fef03 482
kevman 0:38ceb79fef03 483 static const size_t ripemd160_test_strlen[TESTS] =
kevman 0:38ceb79fef03 484 {
kevman 0:38ceb79fef03 485 0, 1, 3, 14, 26, 56, 62, 80
kevman 0:38ceb79fef03 486 };
kevman 0:38ceb79fef03 487
kevman 0:38ceb79fef03 488 static const unsigned char ripemd160_test_md[TESTS][20] =
kevman 0:38ceb79fef03 489 {
kevman 0:38ceb79fef03 490 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
kevman 0:38ceb79fef03 491 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
kevman 0:38ceb79fef03 492 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
kevman 0:38ceb79fef03 493 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
kevman 0:38ceb79fef03 494 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
kevman 0:38ceb79fef03 495 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
kevman 0:38ceb79fef03 496 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
kevman 0:38ceb79fef03 497 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
kevman 0:38ceb79fef03 498 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
kevman 0:38ceb79fef03 499 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
kevman 0:38ceb79fef03 500 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
kevman 0:38ceb79fef03 501 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
kevman 0:38ceb79fef03 502 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
kevman 0:38ceb79fef03 503 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
kevman 0:38ceb79fef03 504 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
kevman 0:38ceb79fef03 505 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
kevman 0:38ceb79fef03 506 };
kevman 0:38ceb79fef03 507
kevman 0:38ceb79fef03 508 /*
kevman 0:38ceb79fef03 509 * Checkup routine
kevman 0:38ceb79fef03 510 */
kevman 0:38ceb79fef03 511 int mbedtls_ripemd160_self_test( int verbose )
kevman 0:38ceb79fef03 512 {
kevman 0:38ceb79fef03 513 int i, ret = 0;
kevman 0:38ceb79fef03 514 unsigned char output[20];
kevman 0:38ceb79fef03 515
kevman 0:38ceb79fef03 516 memset( output, 0, sizeof output );
kevman 0:38ceb79fef03 517
kevman 0:38ceb79fef03 518 for( i = 0; i < TESTS; i++ )
kevman 0:38ceb79fef03 519 {
kevman 0:38ceb79fef03 520 if( verbose != 0 )
kevman 0:38ceb79fef03 521 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
kevman 0:38ceb79fef03 522
kevman 0:38ceb79fef03 523 ret = mbedtls_ripemd160_ret( ripemd160_test_str[i],
kevman 0:38ceb79fef03 524 ripemd160_test_strlen[i], output );
kevman 0:38ceb79fef03 525 if( ret != 0 )
kevman 0:38ceb79fef03 526 goto fail;
kevman 0:38ceb79fef03 527
kevman 0:38ceb79fef03 528 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
kevman 0:38ceb79fef03 529 {
kevman 0:38ceb79fef03 530 ret = 1;
kevman 0:38ceb79fef03 531 goto fail;
kevman 0:38ceb79fef03 532 }
kevman 0:38ceb79fef03 533
kevman 0:38ceb79fef03 534 if( verbose != 0 )
kevman 0:38ceb79fef03 535 mbedtls_printf( "passed\n" );
kevman 0:38ceb79fef03 536 }
kevman 0:38ceb79fef03 537
kevman 0:38ceb79fef03 538 if( verbose != 0 )
kevman 0:38ceb79fef03 539 mbedtls_printf( "\n" );
kevman 0:38ceb79fef03 540
kevman 0:38ceb79fef03 541 return( 0 );
kevman 0:38ceb79fef03 542
kevman 0:38ceb79fef03 543 fail:
kevman 0:38ceb79fef03 544 if( verbose != 0 )
kevman 0:38ceb79fef03 545 mbedtls_printf( "failed\n" );
kevman 0:38ceb79fef03 546
kevman 0:38ceb79fef03 547 return( ret );
kevman 0:38ceb79fef03 548 }
kevman 0:38ceb79fef03 549
kevman 0:38ceb79fef03 550 #endif /* MBEDTLS_SELF_TEST */
kevman 0:38ceb79fef03 551
kevman 0:38ceb79fef03 552 #endif /* MBEDTLS_RIPEMD160_C */