Nitin Shukla / LED_Demo

nkjnm

Dependencies:   MAX44000 nexpaq_mdk

Fork of LED_Demo by Maxim nexpaq

mbd_os/features/mbedtls/src/ripemd160.c@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
checking in for sharing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /*
nexpaq 1:55a6170b404f 2 * RIPE MD-160 implementation
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
nexpaq 1:55a6170b404f 5 * SPDX-License-Identifier: Apache-2.0
nexpaq 1:55a6170b404f 6 *
nexpaq 1:55a6170b404f 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
nexpaq 1:55a6170b404f 8 * not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 9 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 10 *
nexpaq 1:55a6170b404f 11 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 12 *
nexpaq 1:55a6170b404f 13 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
nexpaq 1:55a6170b404f 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 16 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 17 * limitations under the License.
nexpaq 1:55a6170b404f 18 *
nexpaq 1:55a6170b404f 19 * This file is part of mbed TLS (https://tls.mbed.org)
nexpaq 1:55a6170b404f 20 */
nexpaq 1:55a6170b404f 21
nexpaq 1:55a6170b404f 22 /*
nexpaq 1:55a6170b404f 23 * The RIPEMD-160 algorithm was designed by RIPE in 1996
nexpaq 1:55a6170b404f 24 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
nexpaq 1:55a6170b404f 25 * http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
nexpaq 1:55a6170b404f 26 */
nexpaq 1:55a6170b404f 27
nexpaq 1:55a6170b404f 28 #if !defined(MBEDTLS_CONFIG_FILE)
nexpaq 1:55a6170b404f 29 #include "mbedtls/config.h"
nexpaq 1:55a6170b404f 30 #else
nexpaq 1:55a6170b404f 31 #include MBEDTLS_CONFIG_FILE
nexpaq 1:55a6170b404f 32 #endif
nexpaq 1:55a6170b404f 33
nexpaq 1:55a6170b404f 34 #if defined(MBEDTLS_RIPEMD160_C)
nexpaq 1:55a6170b404f 35
nexpaq 1:55a6170b404f 36 #include "mbedtls/ripemd160.h"
nexpaq 1:55a6170b404f 37
nexpaq 1:55a6170b404f 38 #include <string.h>
nexpaq 1:55a6170b404f 39
nexpaq 1:55a6170b404f 40 #if defined(MBEDTLS_SELF_TEST)
nexpaq 1:55a6170b404f 41 #if defined(MBEDTLS_PLATFORM_C)
nexpaq 1:55a6170b404f 42 #include "mbedtls/platform.h"
nexpaq 1:55a6170b404f 43 #else
nexpaq 1:55a6170b404f 44 #include <stdio.h>
nexpaq 1:55a6170b404f 45 #define mbedtls_printf printf
nexpaq 1:55a6170b404f 46 #endif /* MBEDTLS_PLATFORM_C */
nexpaq 1:55a6170b404f 47 #endif /* MBEDTLS_SELF_TEST */
nexpaq 1:55a6170b404f 48
nexpaq 1:55a6170b404f 49 /*
nexpaq 1:55a6170b404f 50 * 32-bit integer manipulation macros (little endian)
nexpaq 1:55a6170b404f 51 */
nexpaq 1:55a6170b404f 52 #ifndef GET_UINT32_LE
nexpaq 1:55a6170b404f 53 #define GET_UINT32_LE(n,b,i) \
nexpaq 1:55a6170b404f 54 { \
nexpaq 1:55a6170b404f 55 (n) = ( (uint32_t) (b)[(i) ] ) \
nexpaq 1:55a6170b404f 56 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
nexpaq 1:55a6170b404f 57 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
nexpaq 1:55a6170b404f 58 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
nexpaq 1:55a6170b404f 59 }
nexpaq 1:55a6170b404f 60 #endif
nexpaq 1:55a6170b404f 61
nexpaq 1:55a6170b404f 62 #ifndef PUT_UINT32_LE
nexpaq 1:55a6170b404f 63 #define PUT_UINT32_LE(n,b,i) \
nexpaq 1:55a6170b404f 64 { \
nexpaq 1:55a6170b404f 65 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
nexpaq 1:55a6170b404f 66 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
nexpaq 1:55a6170b404f 67 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
nexpaq 1:55a6170b404f 68 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
nexpaq 1:55a6170b404f 69 }
nexpaq 1:55a6170b404f 70 #endif
nexpaq 1:55a6170b404f 71
nexpaq 1:55a6170b404f 72 /* Implementation that should never be optimized out by the compiler */
nexpaq 1:55a6170b404f 73 static void mbedtls_zeroize( void *v, size_t n ) {
nexpaq 1:55a6170b404f 74 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
nexpaq 1:55a6170b404f 75 }
nexpaq 1:55a6170b404f 76
nexpaq 1:55a6170b404f 77 void mbedtls_ripemd160_init( mbedtls_ripemd160_context *ctx )
nexpaq 1:55a6170b404f 78 {
nexpaq 1:55a6170b404f 79 memset( ctx, 0, sizeof( mbedtls_ripemd160_context ) );
nexpaq 1:55a6170b404f 80 }
nexpaq 1:55a6170b404f 81
nexpaq 1:55a6170b404f 82 void mbedtls_ripemd160_free( mbedtls_ripemd160_context *ctx )
nexpaq 1:55a6170b404f 83 {
nexpaq 1:55a6170b404f 84 if( ctx == NULL )
nexpaq 1:55a6170b404f 85 return;
nexpaq 1:55a6170b404f 86
nexpaq 1:55a6170b404f 87 mbedtls_zeroize( ctx, sizeof( mbedtls_ripemd160_context ) );
nexpaq 1:55a6170b404f 88 }
nexpaq 1:55a6170b404f 89
nexpaq 1:55a6170b404f 90 void mbedtls_ripemd160_clone( mbedtls_ripemd160_context *dst,
nexpaq 1:55a6170b404f 91 const mbedtls_ripemd160_context *src )
nexpaq 1:55a6170b404f 92 {
nexpaq 1:55a6170b404f 93 *dst = *src;
nexpaq 1:55a6170b404f 94 }
nexpaq 1:55a6170b404f 95
nexpaq 1:55a6170b404f 96 /*
nexpaq 1:55a6170b404f 97 * RIPEMD-160 context setup
nexpaq 1:55a6170b404f 98 */
nexpaq 1:55a6170b404f 99 void mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx )
nexpaq 1:55a6170b404f 100 {
nexpaq 1:55a6170b404f 101 ctx->total[0] = 0;
nexpaq 1:55a6170b404f 102 ctx->total[1] = 0;
nexpaq 1:55a6170b404f 103
nexpaq 1:55a6170b404f 104 ctx->state[0] = 0x67452301;
nexpaq 1:55a6170b404f 105 ctx->state[1] = 0xEFCDAB89;
nexpaq 1:55a6170b404f 106 ctx->state[2] = 0x98BADCFE;
nexpaq 1:55a6170b404f 107 ctx->state[3] = 0x10325476;
nexpaq 1:55a6170b404f 108 ctx->state[4] = 0xC3D2E1F0;
nexpaq 1:55a6170b404f 109 }
nexpaq 1:55a6170b404f 110
nexpaq 1:55a6170b404f 111 #if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
nexpaq 1:55a6170b404f 112 /*
nexpaq 1:55a6170b404f 113 * Process one block
nexpaq 1:55a6170b404f 114 */
nexpaq 1:55a6170b404f 115 void mbedtls_ripemd160_process( mbedtls_ripemd160_context *ctx, const unsigned char data[64] )
nexpaq 1:55a6170b404f 116 {
nexpaq 1:55a6170b404f 117 uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
nexpaq 1:55a6170b404f 118
nexpaq 1:55a6170b404f 119 GET_UINT32_LE( X[ 0], data, 0 );
nexpaq 1:55a6170b404f 120 GET_UINT32_LE( X[ 1], data, 4 );
nexpaq 1:55a6170b404f 121 GET_UINT32_LE( X[ 2], data, 8 );
nexpaq 1:55a6170b404f 122 GET_UINT32_LE( X[ 3], data, 12 );
nexpaq 1:55a6170b404f 123 GET_UINT32_LE( X[ 4], data, 16 );
nexpaq 1:55a6170b404f 124 GET_UINT32_LE( X[ 5], data, 20 );
nexpaq 1:55a6170b404f 125 GET_UINT32_LE( X[ 6], data, 24 );
nexpaq 1:55a6170b404f 126 GET_UINT32_LE( X[ 7], data, 28 );
nexpaq 1:55a6170b404f 127 GET_UINT32_LE( X[ 8], data, 32 );
nexpaq 1:55a6170b404f 128 GET_UINT32_LE( X[ 9], data, 36 );
nexpaq 1:55a6170b404f 129 GET_UINT32_LE( X[10], data, 40 );
nexpaq 1:55a6170b404f 130 GET_UINT32_LE( X[11], data, 44 );
nexpaq 1:55a6170b404f 131 GET_UINT32_LE( X[12], data, 48 );
nexpaq 1:55a6170b404f 132 GET_UINT32_LE( X[13], data, 52 );
nexpaq 1:55a6170b404f 133 GET_UINT32_LE( X[14], data, 56 );
nexpaq 1:55a6170b404f 134 GET_UINT32_LE( X[15], data, 60 );
nexpaq 1:55a6170b404f 135
nexpaq 1:55a6170b404f 136 A = Ap = ctx->state[0];
nexpaq 1:55a6170b404f 137 B = Bp = ctx->state[1];
nexpaq 1:55a6170b404f 138 C = Cp = ctx->state[2];
nexpaq 1:55a6170b404f 139 D = Dp = ctx->state[3];
nexpaq 1:55a6170b404f 140 E = Ep = ctx->state[4];
nexpaq 1:55a6170b404f 141
nexpaq 1:55a6170b404f 142 #define F1( x, y, z ) ( x ^ y ^ z )
nexpaq 1:55a6170b404f 143 #define F2( x, y, z ) ( ( x & y ) | ( ~x & z ) )
nexpaq 1:55a6170b404f 144 #define F3( x, y, z ) ( ( x | ~y ) ^ z )
nexpaq 1:55a6170b404f 145 #define F4( x, y, z ) ( ( x & z ) | ( y & ~z ) )
nexpaq 1:55a6170b404f 146 #define F5( x, y, z ) ( x ^ ( y | ~z ) )
nexpaq 1:55a6170b404f 147
nexpaq 1:55a6170b404f 148 #define S( x, n ) ( ( x << n ) | ( x >> (32 - n) ) )
nexpaq 1:55a6170b404f 149
nexpaq 1:55a6170b404f 150 #define P( a, b, c, d, e, r, s, f, k ) \
nexpaq 1:55a6170b404f 151 a += f( b, c, d ) + X[r] + k; \
nexpaq 1:55a6170b404f 152 a = S( a, s ) + e; \
nexpaq 1:55a6170b404f 153 c = S( c, 10 );
nexpaq 1:55a6170b404f 154
nexpaq 1:55a6170b404f 155 #define P2( a, b, c, d, e, r, s, rp, sp ) \
nexpaq 1:55a6170b404f 156 P( a, b, c, d, e, r, s, F, K ); \
nexpaq 1:55a6170b404f 157 P( a ## p, b ## p, c ## p, d ## p, e ## p, rp, sp, Fp, Kp );
nexpaq 1:55a6170b404f 158
nexpaq 1:55a6170b404f 159 #define F F1
nexpaq 1:55a6170b404f 160 #define K 0x00000000
nexpaq 1:55a6170b404f 161 #define Fp F5
nexpaq 1:55a6170b404f 162 #define Kp 0x50A28BE6
nexpaq 1:55a6170b404f 163 P2( A, B, C, D, E, 0, 11, 5, 8 );
nexpaq 1:55a6170b404f 164 P2( E, A, B, C, D, 1, 14, 14, 9 );
nexpaq 1:55a6170b404f 165 P2( D, E, A, B, C, 2, 15, 7, 9 );
nexpaq 1:55a6170b404f 166 P2( C, D, E, A, B, 3, 12, 0, 11 );
nexpaq 1:55a6170b404f 167 P2( B, C, D, E, A, 4, 5, 9, 13 );
nexpaq 1:55a6170b404f 168 P2( A, B, C, D, E, 5, 8, 2, 15 );
nexpaq 1:55a6170b404f 169 P2( E, A, B, C, D, 6, 7, 11, 15 );
nexpaq 1:55a6170b404f 170 P2( D, E, A, B, C, 7, 9, 4, 5 );
nexpaq 1:55a6170b404f 171 P2( C, D, E, A, B, 8, 11, 13, 7 );
nexpaq 1:55a6170b404f 172 P2( B, C, D, E, A, 9, 13, 6, 7 );
nexpaq 1:55a6170b404f 173 P2( A, B, C, D, E, 10, 14, 15, 8 );
nexpaq 1:55a6170b404f 174 P2( E, A, B, C, D, 11, 15, 8, 11 );
nexpaq 1:55a6170b404f 175 P2( D, E, A, B, C, 12, 6, 1, 14 );
nexpaq 1:55a6170b404f 176 P2( C, D, E, A, B, 13, 7, 10, 14 );
nexpaq 1:55a6170b404f 177 P2( B, C, D, E, A, 14, 9, 3, 12 );
nexpaq 1:55a6170b404f 178 P2( A, B, C, D, E, 15, 8, 12, 6 );
nexpaq 1:55a6170b404f 179 #undef F
nexpaq 1:55a6170b404f 180 #undef K
nexpaq 1:55a6170b404f 181 #undef Fp
nexpaq 1:55a6170b404f 182 #undef Kp
nexpaq 1:55a6170b404f 183
nexpaq 1:55a6170b404f 184 #define F F2
nexpaq 1:55a6170b404f 185 #define K 0x5A827999
nexpaq 1:55a6170b404f 186 #define Fp F4
nexpaq 1:55a6170b404f 187 #define Kp 0x5C4DD124
nexpaq 1:55a6170b404f 188 P2( E, A, B, C, D, 7, 7, 6, 9 );
nexpaq 1:55a6170b404f 189 P2( D, E, A, B, C, 4, 6, 11, 13 );
nexpaq 1:55a6170b404f 190 P2( C, D, E, A, B, 13, 8, 3, 15 );
nexpaq 1:55a6170b404f 191 P2( B, C, D, E, A, 1, 13, 7, 7 );
nexpaq 1:55a6170b404f 192 P2( A, B, C, D, E, 10, 11, 0, 12 );
nexpaq 1:55a6170b404f 193 P2( E, A, B, C, D, 6, 9, 13, 8 );
nexpaq 1:55a6170b404f 194 P2( D, E, A, B, C, 15, 7, 5, 9 );
nexpaq 1:55a6170b404f 195 P2( C, D, E, A, B, 3, 15, 10, 11 );
nexpaq 1:55a6170b404f 196 P2( B, C, D, E, A, 12, 7, 14, 7 );
nexpaq 1:55a6170b404f 197 P2( A, B, C, D, E, 0, 12, 15, 7 );
nexpaq 1:55a6170b404f 198 P2( E, A, B, C, D, 9, 15, 8, 12 );
nexpaq 1:55a6170b404f 199 P2( D, E, A, B, C, 5, 9, 12, 7 );
nexpaq 1:55a6170b404f 200 P2( C, D, E, A, B, 2, 11, 4, 6 );
nexpaq 1:55a6170b404f 201 P2( B, C, D, E, A, 14, 7, 9, 15 );
nexpaq 1:55a6170b404f 202 P2( A, B, C, D, E, 11, 13, 1, 13 );
nexpaq 1:55a6170b404f 203 P2( E, A, B, C, D, 8, 12, 2, 11 );
nexpaq 1:55a6170b404f 204 #undef F
nexpaq 1:55a6170b404f 205 #undef K
nexpaq 1:55a6170b404f 206 #undef Fp
nexpaq 1:55a6170b404f 207 #undef Kp
nexpaq 1:55a6170b404f 208
nexpaq 1:55a6170b404f 209 #define F F3
nexpaq 1:55a6170b404f 210 #define K 0x6ED9EBA1
nexpaq 1:55a6170b404f 211 #define Fp F3
nexpaq 1:55a6170b404f 212 #define Kp 0x6D703EF3
nexpaq 1:55a6170b404f 213 P2( D, E, A, B, C, 3, 11, 15, 9 );
nexpaq 1:55a6170b404f 214 P2( C, D, E, A, B, 10, 13, 5, 7 );
nexpaq 1:55a6170b404f 215 P2( B, C, D, E, A, 14, 6, 1, 15 );
nexpaq 1:55a6170b404f 216 P2( A, B, C, D, E, 4, 7, 3, 11 );
nexpaq 1:55a6170b404f 217 P2( E, A, B, C, D, 9, 14, 7, 8 );
nexpaq 1:55a6170b404f 218 P2( D, E, A, B, C, 15, 9, 14, 6 );
nexpaq 1:55a6170b404f 219 P2( C, D, E, A, B, 8, 13, 6, 6 );
nexpaq 1:55a6170b404f 220 P2( B, C, D, E, A, 1, 15, 9, 14 );
nexpaq 1:55a6170b404f 221 P2( A, B, C, D, E, 2, 14, 11, 12 );
nexpaq 1:55a6170b404f 222 P2( E, A, B, C, D, 7, 8, 8, 13 );
nexpaq 1:55a6170b404f 223 P2( D, E, A, B, C, 0, 13, 12, 5 );
nexpaq 1:55a6170b404f 224 P2( C, D, E, A, B, 6, 6, 2, 14 );
nexpaq 1:55a6170b404f 225 P2( B, C, D, E, A, 13, 5, 10, 13 );
nexpaq 1:55a6170b404f 226 P2( A, B, C, D, E, 11, 12, 0, 13 );
nexpaq 1:55a6170b404f 227 P2( E, A, B, C, D, 5, 7, 4, 7 );
nexpaq 1:55a6170b404f 228 P2( D, E, A, B, C, 12, 5, 13, 5 );
nexpaq 1:55a6170b404f 229 #undef F
nexpaq 1:55a6170b404f 230 #undef K
nexpaq 1:55a6170b404f 231 #undef Fp
nexpaq 1:55a6170b404f 232 #undef Kp
nexpaq 1:55a6170b404f 233
nexpaq 1:55a6170b404f 234 #define F F4
nexpaq 1:55a6170b404f 235 #define K 0x8F1BBCDC
nexpaq 1:55a6170b404f 236 #define Fp F2
nexpaq 1:55a6170b404f 237 #define Kp 0x7A6D76E9
nexpaq 1:55a6170b404f 238 P2( C, D, E, A, B, 1, 11, 8, 15 );
nexpaq 1:55a6170b404f 239 P2( B, C, D, E, A, 9, 12, 6, 5 );
nexpaq 1:55a6170b404f 240 P2( A, B, C, D, E, 11, 14, 4, 8 );
nexpaq 1:55a6170b404f 241 P2( E, A, B, C, D, 10, 15, 1, 11 );
nexpaq 1:55a6170b404f 242 P2( D, E, A, B, C, 0, 14, 3, 14 );
nexpaq 1:55a6170b404f 243 P2( C, D, E, A, B, 8, 15, 11, 14 );
nexpaq 1:55a6170b404f 244 P2( B, C, D, E, A, 12, 9, 15, 6 );
nexpaq 1:55a6170b404f 245 P2( A, B, C, D, E, 4, 8, 0, 14 );
nexpaq 1:55a6170b404f 246 P2( E, A, B, C, D, 13, 9, 5, 6 );
nexpaq 1:55a6170b404f 247 P2( D, E, A, B, C, 3, 14, 12, 9 );
nexpaq 1:55a6170b404f 248 P2( C, D, E, A, B, 7, 5, 2, 12 );
nexpaq 1:55a6170b404f 249 P2( B, C, D, E, A, 15, 6, 13, 9 );
nexpaq 1:55a6170b404f 250 P2( A, B, C, D, E, 14, 8, 9, 12 );
nexpaq 1:55a6170b404f 251 P2( E, A, B, C, D, 5, 6, 7, 5 );
nexpaq 1:55a6170b404f 252 P2( D, E, A, B, C, 6, 5, 10, 15 );
nexpaq 1:55a6170b404f 253 P2( C, D, E, A, B, 2, 12, 14, 8 );
nexpaq 1:55a6170b404f 254 #undef F
nexpaq 1:55a6170b404f 255 #undef K
nexpaq 1:55a6170b404f 256 #undef Fp
nexpaq 1:55a6170b404f 257 #undef Kp
nexpaq 1:55a6170b404f 258
nexpaq 1:55a6170b404f 259 #define F F5
nexpaq 1:55a6170b404f 260 #define K 0xA953FD4E
nexpaq 1:55a6170b404f 261 #define Fp F1
nexpaq 1:55a6170b404f 262 #define Kp 0x00000000
nexpaq 1:55a6170b404f 263 P2( B, C, D, E, A, 4, 9, 12, 8 );
nexpaq 1:55a6170b404f 264 P2( A, B, C, D, E, 0, 15, 15, 5 );
nexpaq 1:55a6170b404f 265 P2( E, A, B, C, D, 5, 5, 10, 12 );
nexpaq 1:55a6170b404f 266 P2( D, E, A, B, C, 9, 11, 4, 9 );
nexpaq 1:55a6170b404f 267 P2( C, D, E, A, B, 7, 6, 1, 12 );
nexpaq 1:55a6170b404f 268 P2( B, C, D, E, A, 12, 8, 5, 5 );
nexpaq 1:55a6170b404f 269 P2( A, B, C, D, E, 2, 13, 8, 14 );
nexpaq 1:55a6170b404f 270 P2( E, A, B, C, D, 10, 12, 7, 6 );
nexpaq 1:55a6170b404f 271 P2( D, E, A, B, C, 14, 5, 6, 8 );
nexpaq 1:55a6170b404f 272 P2( C, D, E, A, B, 1, 12, 2, 13 );
nexpaq 1:55a6170b404f 273 P2( B, C, D, E, A, 3, 13, 13, 6 );
nexpaq 1:55a6170b404f 274 P2( A, B, C, D, E, 8, 14, 14, 5 );
nexpaq 1:55a6170b404f 275 P2( E, A, B, C, D, 11, 11, 0, 15 );
nexpaq 1:55a6170b404f 276 P2( D, E, A, B, C, 6, 8, 3, 13 );
nexpaq 1:55a6170b404f 277 P2( C, D, E, A, B, 15, 5, 9, 11 );
nexpaq 1:55a6170b404f 278 P2( B, C, D, E, A, 13, 6, 11, 11 );
nexpaq 1:55a6170b404f 279 #undef F
nexpaq 1:55a6170b404f 280 #undef K
nexpaq 1:55a6170b404f 281 #undef Fp
nexpaq 1:55a6170b404f 282 #undef Kp
nexpaq 1:55a6170b404f 283
nexpaq 1:55a6170b404f 284 C = ctx->state[1] + C + Dp;
nexpaq 1:55a6170b404f 285 ctx->state[1] = ctx->state[2] + D + Ep;
nexpaq 1:55a6170b404f 286 ctx->state[2] = ctx->state[3] + E + Ap;
nexpaq 1:55a6170b404f 287 ctx->state[3] = ctx->state[4] + A + Bp;
nexpaq 1:55a6170b404f 288 ctx->state[4] = ctx->state[0] + B + Cp;
nexpaq 1:55a6170b404f 289 ctx->state[0] = C;
nexpaq 1:55a6170b404f 290 }
nexpaq 1:55a6170b404f 291 #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
nexpaq 1:55a6170b404f 292
nexpaq 1:55a6170b404f 293 /*
nexpaq 1:55a6170b404f 294 * RIPEMD-160 process buffer
nexpaq 1:55a6170b404f 295 */
nexpaq 1:55a6170b404f 296 void mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
nexpaq 1:55a6170b404f 297 const unsigned char *input, size_t ilen )
nexpaq 1:55a6170b404f 298 {
nexpaq 1:55a6170b404f 299 size_t fill;
nexpaq 1:55a6170b404f 300 uint32_t left;
nexpaq 1:55a6170b404f 301
nexpaq 1:55a6170b404f 302 if( ilen == 0 )
nexpaq 1:55a6170b404f 303 return;
nexpaq 1:55a6170b404f 304
nexpaq 1:55a6170b404f 305 left = ctx->total[0] & 0x3F;
nexpaq 1:55a6170b404f 306 fill = 64 - left;
nexpaq 1:55a6170b404f 307
nexpaq 1:55a6170b404f 308 ctx->total[0] += (uint32_t) ilen;
nexpaq 1:55a6170b404f 309 ctx->total[0] &= 0xFFFFFFFF;
nexpaq 1:55a6170b404f 310
nexpaq 1:55a6170b404f 311 if( ctx->total[0] < (uint32_t) ilen )
nexpaq 1:55a6170b404f 312 ctx->total[1]++;
nexpaq 1:55a6170b404f 313
nexpaq 1:55a6170b404f 314 if( left && ilen >= fill )
nexpaq 1:55a6170b404f 315 {
nexpaq 1:55a6170b404f 316 memcpy( (void *) (ctx->buffer + left), input, fill );
nexpaq 1:55a6170b404f 317 mbedtls_ripemd160_process( ctx, ctx->buffer );
nexpaq 1:55a6170b404f 318 input += fill;
nexpaq 1:55a6170b404f 319 ilen -= fill;
nexpaq 1:55a6170b404f 320 left = 0;
nexpaq 1:55a6170b404f 321 }
nexpaq 1:55a6170b404f 322
nexpaq 1:55a6170b404f 323 while( ilen >= 64 )
nexpaq 1:55a6170b404f 324 {
nexpaq 1:55a6170b404f 325 mbedtls_ripemd160_process( ctx, input );
nexpaq 1:55a6170b404f 326 input += 64;
nexpaq 1:55a6170b404f 327 ilen -= 64;
nexpaq 1:55a6170b404f 328 }
nexpaq 1:55a6170b404f 329
nexpaq 1:55a6170b404f 330 if( ilen > 0 )
nexpaq 1:55a6170b404f 331 {
nexpaq 1:55a6170b404f 332 memcpy( (void *) (ctx->buffer + left), input, ilen );
nexpaq 1:55a6170b404f 333 }
nexpaq 1:55a6170b404f 334 }
nexpaq 1:55a6170b404f 335
nexpaq 1:55a6170b404f 336 static const unsigned char ripemd160_padding[64] =
nexpaq 1:55a6170b404f 337 {
nexpaq 1:55a6170b404f 338 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 340 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
nexpaq 1:55a6170b404f 342 };
nexpaq 1:55a6170b404f 343
nexpaq 1:55a6170b404f 344 /*
nexpaq 1:55a6170b404f 345 * RIPEMD-160 final digest
nexpaq 1:55a6170b404f 346 */
nexpaq 1:55a6170b404f 347 void mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx, unsigned char output[20] )
nexpaq 1:55a6170b404f 348 {
nexpaq 1:55a6170b404f 349 uint32_t last, padn;
nexpaq 1:55a6170b404f 350 uint32_t high, low;
nexpaq 1:55a6170b404f 351 unsigned char msglen[8];
nexpaq 1:55a6170b404f 352
nexpaq 1:55a6170b404f 353 high = ( ctx->total[0] >> 29 )
nexpaq 1:55a6170b404f 354 | ( ctx->total[1] << 3 );
nexpaq 1:55a6170b404f 355 low = ( ctx->total[0] << 3 );
nexpaq 1:55a6170b404f 356
nexpaq 1:55a6170b404f 357 PUT_UINT32_LE( low, msglen, 0 );
nexpaq 1:55a6170b404f 358 PUT_UINT32_LE( high, msglen, 4 );
nexpaq 1:55a6170b404f 359
nexpaq 1:55a6170b404f 360 last = ctx->total[0] & 0x3F;
nexpaq 1:55a6170b404f 361 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
nexpaq 1:55a6170b404f 362
nexpaq 1:55a6170b404f 363 mbedtls_ripemd160_update( ctx, ripemd160_padding, padn );
nexpaq 1:55a6170b404f 364 mbedtls_ripemd160_update( ctx, msglen, 8 );
nexpaq 1:55a6170b404f 365
nexpaq 1:55a6170b404f 366 PUT_UINT32_LE( ctx->state[0], output, 0 );
nexpaq 1:55a6170b404f 367 PUT_UINT32_LE( ctx->state[1], output, 4 );
nexpaq 1:55a6170b404f 368 PUT_UINT32_LE( ctx->state[2], output, 8 );
nexpaq 1:55a6170b404f 369 PUT_UINT32_LE( ctx->state[3], output, 12 );
nexpaq 1:55a6170b404f 370 PUT_UINT32_LE( ctx->state[4], output, 16 );
nexpaq 1:55a6170b404f 371 }
nexpaq 1:55a6170b404f 372
nexpaq 1:55a6170b404f 373 /*
nexpaq 1:55a6170b404f 374 * output = RIPEMD-160( input buffer )
nexpaq 1:55a6170b404f 375 */
nexpaq 1:55a6170b404f 376 void mbedtls_ripemd160( const unsigned char *input, size_t ilen,
nexpaq 1:55a6170b404f 377 unsigned char output[20] )
nexpaq 1:55a6170b404f 378 {
nexpaq 1:55a6170b404f 379 mbedtls_ripemd160_context ctx;
nexpaq 1:55a6170b404f 380
nexpaq 1:55a6170b404f 381 mbedtls_ripemd160_init( &ctx );
nexpaq 1:55a6170b404f 382 mbedtls_ripemd160_starts( &ctx );
nexpaq 1:55a6170b404f 383 mbedtls_ripemd160_update( &ctx, input, ilen );
nexpaq 1:55a6170b404f 384 mbedtls_ripemd160_finish( &ctx, output );
nexpaq 1:55a6170b404f 385 mbedtls_ripemd160_free( &ctx );
nexpaq 1:55a6170b404f 386 }
nexpaq 1:55a6170b404f 387
nexpaq 1:55a6170b404f 388 #if defined(MBEDTLS_SELF_TEST)
nexpaq 1:55a6170b404f 389 /*
nexpaq 1:55a6170b404f 390 * Test vectors from the RIPEMD-160 paper and
nexpaq 1:55a6170b404f 391 * http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
nexpaq 1:55a6170b404f 392 */
nexpaq 1:55a6170b404f 393 #define TESTS 8
nexpaq 1:55a6170b404f 394 #define KEYS 2
nexpaq 1:55a6170b404f 395 static const char *ripemd160_test_input[TESTS] =
nexpaq 1:55a6170b404f 396 {
nexpaq 1:55a6170b404f 397 "",
nexpaq 1:55a6170b404f 398 "a",
nexpaq 1:55a6170b404f 399 "abc",
nexpaq 1:55a6170b404f 400 "message digest",
nexpaq 1:55a6170b404f 401 "abcdefghijklmnopqrstuvwxyz",
nexpaq 1:55a6170b404f 402 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
nexpaq 1:55a6170b404f 403 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
nexpaq 1:55a6170b404f 404 "1234567890123456789012345678901234567890"
nexpaq 1:55a6170b404f 405 "1234567890123456789012345678901234567890",
nexpaq 1:55a6170b404f 406 };
nexpaq 1:55a6170b404f 407
nexpaq 1:55a6170b404f 408 static const unsigned char ripemd160_test_md[TESTS][20] =
nexpaq 1:55a6170b404f 409 {
nexpaq 1:55a6170b404f 410 { 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
nexpaq 1:55a6170b404f 411 0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
nexpaq 1:55a6170b404f 412 { 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
nexpaq 1:55a6170b404f 413 0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe },
nexpaq 1:55a6170b404f 414 { 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
nexpaq 1:55a6170b404f 415 0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc },
nexpaq 1:55a6170b404f 416 { 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
nexpaq 1:55a6170b404f 417 0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 },
nexpaq 1:55a6170b404f 418 { 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
nexpaq 1:55a6170b404f 419 0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc },
nexpaq 1:55a6170b404f 420 { 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
nexpaq 1:55a6170b404f 421 0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b },
nexpaq 1:55a6170b404f 422 { 0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
nexpaq 1:55a6170b404f 423 0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89 },
nexpaq 1:55a6170b404f 424 { 0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
nexpaq 1:55a6170b404f 425 0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
nexpaq 1:55a6170b404f 426 };
nexpaq 1:55a6170b404f 427
nexpaq 1:55a6170b404f 428 /*
nexpaq 1:55a6170b404f 429 * Checkup routine
nexpaq 1:55a6170b404f 430 */
nexpaq 1:55a6170b404f 431 int mbedtls_ripemd160_self_test( int verbose )
nexpaq 1:55a6170b404f 432 {
nexpaq 1:55a6170b404f 433 int i;
nexpaq 1:55a6170b404f 434 unsigned char output[20];
nexpaq 1:55a6170b404f 435
nexpaq 1:55a6170b404f 436 memset( output, 0, sizeof output );
nexpaq 1:55a6170b404f 437
nexpaq 1:55a6170b404f 438 for( i = 0; i < TESTS; i++ )
nexpaq 1:55a6170b404f 439 {
nexpaq 1:55a6170b404f 440 if( verbose != 0 )
nexpaq 1:55a6170b404f 441 mbedtls_printf( " RIPEMD-160 test #%d: ", i + 1 );
nexpaq 1:55a6170b404f 442
nexpaq 1:55a6170b404f 443 mbedtls_ripemd160( (const unsigned char *) ripemd160_test_input[i],
nexpaq 1:55a6170b404f 444 strlen( ripemd160_test_input[i] ),
nexpaq 1:55a6170b404f 445 output );
nexpaq 1:55a6170b404f 446
nexpaq 1:55a6170b404f 447 if( memcmp( output, ripemd160_test_md[i], 20 ) != 0 )
nexpaq 1:55a6170b404f 448 {
nexpaq 1:55a6170b404f 449 if( verbose != 0 )
nexpaq 1:55a6170b404f 450 mbedtls_printf( "failed\n" );
nexpaq 1:55a6170b404f 451
nexpaq 1:55a6170b404f 452 return( 1 );
nexpaq 1:55a6170b404f 453 }
nexpaq 1:55a6170b404f 454
nexpaq 1:55a6170b404f 455 if( verbose != 0 )
nexpaq 1:55a6170b404f 456 mbedtls_printf( "passed\n" );
nexpaq 1:55a6170b404f 457 }
nexpaq 1:55a6170b404f 458
nexpaq 1:55a6170b404f 459 return( 0 );
nexpaq 1:55a6170b404f 460 }
nexpaq 1:55a6170b404f 461
nexpaq 1:55a6170b404f 462 #endif /* MBEDTLS_SELF_TEST */
nexpaq 1:55a6170b404f 463
nexpaq 1:55a6170b404f 464 #endif /* MBEDTLS_RIPEMD160_C */