Nitin Shukla / LED_Demo

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Dependencies:   MAX44000 nexpaq_mdk

Fork of LED_Demo by Maxim nexpaq

mbd_os/features/mbedtls/src/md4.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?

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nexpaq 1:55a6170b404f 1 /*
nexpaq 1:55a6170b404f 2 * RFC 1186/1320 compliant MD4 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 * The MD4 algorithm was designed by Ron Rivest in 1990.
nexpaq 1:55a6170b404f 23 *
nexpaq 1:55a6170b404f 24 * http://www.ietf.org/rfc/rfc1186.txt
nexpaq 1:55a6170b404f 25 * http://www.ietf.org/rfc/rfc1320.txt
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_MD4_C)
nexpaq 1:55a6170b404f 35
nexpaq 1:55a6170b404f 36 #include "mbedtls/md4.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 #if !defined(MBEDTLS_MD4_ALT)
nexpaq 1:55a6170b404f 50
nexpaq 1:55a6170b404f 51 /* Implementation that should never be optimized out by the compiler */
nexpaq 1:55a6170b404f 52 static void mbedtls_zeroize( void *v, size_t n ) {
nexpaq 1:55a6170b404f 53 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
nexpaq 1:55a6170b404f 54 }
nexpaq 1:55a6170b404f 55
nexpaq 1:55a6170b404f 56 /*
nexpaq 1:55a6170b404f 57 * 32-bit integer manipulation macros (little endian)
nexpaq 1:55a6170b404f 58 */
nexpaq 1:55a6170b404f 59 #ifndef GET_UINT32_LE
nexpaq 1:55a6170b404f 60 #define GET_UINT32_LE(n,b,i) \
nexpaq 1:55a6170b404f 61 { \
nexpaq 1:55a6170b404f 62 (n) = ( (uint32_t) (b)[(i) ] ) \
nexpaq 1:55a6170b404f 63 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
nexpaq 1:55a6170b404f 64 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
nexpaq 1:55a6170b404f 65 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
nexpaq 1:55a6170b404f 66 }
nexpaq 1:55a6170b404f 67 #endif
nexpaq 1:55a6170b404f 68
nexpaq 1:55a6170b404f 69 #ifndef PUT_UINT32_LE
nexpaq 1:55a6170b404f 70 #define PUT_UINT32_LE(n,b,i) \
nexpaq 1:55a6170b404f 71 { \
nexpaq 1:55a6170b404f 72 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
nexpaq 1:55a6170b404f 73 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
nexpaq 1:55a6170b404f 74 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
nexpaq 1:55a6170b404f 75 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
nexpaq 1:55a6170b404f 76 }
nexpaq 1:55a6170b404f 77 #endif
nexpaq 1:55a6170b404f 78
nexpaq 1:55a6170b404f 79 void mbedtls_md4_init( mbedtls_md4_context *ctx )
nexpaq 1:55a6170b404f 80 {
nexpaq 1:55a6170b404f 81 memset( ctx, 0, sizeof( mbedtls_md4_context ) );
nexpaq 1:55a6170b404f 82 }
nexpaq 1:55a6170b404f 83
nexpaq 1:55a6170b404f 84 void mbedtls_md4_free( mbedtls_md4_context *ctx )
nexpaq 1:55a6170b404f 85 {
nexpaq 1:55a6170b404f 86 if( ctx == NULL )
nexpaq 1:55a6170b404f 87 return;
nexpaq 1:55a6170b404f 88
nexpaq 1:55a6170b404f 89 mbedtls_zeroize( ctx, sizeof( mbedtls_md4_context ) );
nexpaq 1:55a6170b404f 90 }
nexpaq 1:55a6170b404f 91
nexpaq 1:55a6170b404f 92 void mbedtls_md4_clone( mbedtls_md4_context *dst,
nexpaq 1:55a6170b404f 93 const mbedtls_md4_context *src )
nexpaq 1:55a6170b404f 94 {
nexpaq 1:55a6170b404f 95 *dst = *src;
nexpaq 1:55a6170b404f 96 }
nexpaq 1:55a6170b404f 97
nexpaq 1:55a6170b404f 98 /*
nexpaq 1:55a6170b404f 99 * MD4 context setup
nexpaq 1:55a6170b404f 100 */
nexpaq 1:55a6170b404f 101 void mbedtls_md4_starts( mbedtls_md4_context *ctx )
nexpaq 1:55a6170b404f 102 {
nexpaq 1:55a6170b404f 103 ctx->total[0] = 0;
nexpaq 1:55a6170b404f 104 ctx->total[1] = 0;
nexpaq 1:55a6170b404f 105
nexpaq 1:55a6170b404f 106 ctx->state[0] = 0x67452301;
nexpaq 1:55a6170b404f 107 ctx->state[1] = 0xEFCDAB89;
nexpaq 1:55a6170b404f 108 ctx->state[2] = 0x98BADCFE;
nexpaq 1:55a6170b404f 109 ctx->state[3] = 0x10325476;
nexpaq 1:55a6170b404f 110 }
nexpaq 1:55a6170b404f 111
nexpaq 1:55a6170b404f 112 #if !defined(MBEDTLS_MD4_PROCESS_ALT)
nexpaq 1:55a6170b404f 113 void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] )
nexpaq 1:55a6170b404f 114 {
nexpaq 1:55a6170b404f 115 uint32_t X[16], A, B, C, D;
nexpaq 1:55a6170b404f 116
nexpaq 1:55a6170b404f 117 GET_UINT32_LE( X[ 0], data, 0 );
nexpaq 1:55a6170b404f 118 GET_UINT32_LE( X[ 1], data, 4 );
nexpaq 1:55a6170b404f 119 GET_UINT32_LE( X[ 2], data, 8 );
nexpaq 1:55a6170b404f 120 GET_UINT32_LE( X[ 3], data, 12 );
nexpaq 1:55a6170b404f 121 GET_UINT32_LE( X[ 4], data, 16 );
nexpaq 1:55a6170b404f 122 GET_UINT32_LE( X[ 5], data, 20 );
nexpaq 1:55a6170b404f 123 GET_UINT32_LE( X[ 6], data, 24 );
nexpaq 1:55a6170b404f 124 GET_UINT32_LE( X[ 7], data, 28 );
nexpaq 1:55a6170b404f 125 GET_UINT32_LE( X[ 8], data, 32 );
nexpaq 1:55a6170b404f 126 GET_UINT32_LE( X[ 9], data, 36 );
nexpaq 1:55a6170b404f 127 GET_UINT32_LE( X[10], data, 40 );
nexpaq 1:55a6170b404f 128 GET_UINT32_LE( X[11], data, 44 );
nexpaq 1:55a6170b404f 129 GET_UINT32_LE( X[12], data, 48 );
nexpaq 1:55a6170b404f 130 GET_UINT32_LE( X[13], data, 52 );
nexpaq 1:55a6170b404f 131 GET_UINT32_LE( X[14], data, 56 );
nexpaq 1:55a6170b404f 132 GET_UINT32_LE( X[15], data, 60 );
nexpaq 1:55a6170b404f 133
nexpaq 1:55a6170b404f 134 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
nexpaq 1:55a6170b404f 135
nexpaq 1:55a6170b404f 136 A = ctx->state[0];
nexpaq 1:55a6170b404f 137 B = ctx->state[1];
nexpaq 1:55a6170b404f 138 C = ctx->state[2];
nexpaq 1:55a6170b404f 139 D = ctx->state[3];
nexpaq 1:55a6170b404f 140
nexpaq 1:55a6170b404f 141 #define F(x, y, z) ((x & y) | ((~x) & z))
nexpaq 1:55a6170b404f 142 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x; a = S(a,s); }
nexpaq 1:55a6170b404f 143
nexpaq 1:55a6170b404f 144 P( A, B, C, D, X[ 0], 3 );
nexpaq 1:55a6170b404f 145 P( D, A, B, C, X[ 1], 7 );
nexpaq 1:55a6170b404f 146 P( C, D, A, B, X[ 2], 11 );
nexpaq 1:55a6170b404f 147 P( B, C, D, A, X[ 3], 19 );
nexpaq 1:55a6170b404f 148 P( A, B, C, D, X[ 4], 3 );
nexpaq 1:55a6170b404f 149 P( D, A, B, C, X[ 5], 7 );
nexpaq 1:55a6170b404f 150 P( C, D, A, B, X[ 6], 11 );
nexpaq 1:55a6170b404f 151 P( B, C, D, A, X[ 7], 19 );
nexpaq 1:55a6170b404f 152 P( A, B, C, D, X[ 8], 3 );
nexpaq 1:55a6170b404f 153 P( D, A, B, C, X[ 9], 7 );
nexpaq 1:55a6170b404f 154 P( C, D, A, B, X[10], 11 );
nexpaq 1:55a6170b404f 155 P( B, C, D, A, X[11], 19 );
nexpaq 1:55a6170b404f 156 P( A, B, C, D, X[12], 3 );
nexpaq 1:55a6170b404f 157 P( D, A, B, C, X[13], 7 );
nexpaq 1:55a6170b404f 158 P( C, D, A, B, X[14], 11 );
nexpaq 1:55a6170b404f 159 P( B, C, D, A, X[15], 19 );
nexpaq 1:55a6170b404f 160
nexpaq 1:55a6170b404f 161 #undef P
nexpaq 1:55a6170b404f 162 #undef F
nexpaq 1:55a6170b404f 163
nexpaq 1:55a6170b404f 164 #define F(x,y,z) ((x & y) | (x & z) | (y & z))
nexpaq 1:55a6170b404f 165 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x5A827999; a = S(a,s); }
nexpaq 1:55a6170b404f 166
nexpaq 1:55a6170b404f 167 P( A, B, C, D, X[ 0], 3 );
nexpaq 1:55a6170b404f 168 P( D, A, B, C, X[ 4], 5 );
nexpaq 1:55a6170b404f 169 P( C, D, A, B, X[ 8], 9 );
nexpaq 1:55a6170b404f 170 P( B, C, D, A, X[12], 13 );
nexpaq 1:55a6170b404f 171 P( A, B, C, D, X[ 1], 3 );
nexpaq 1:55a6170b404f 172 P( D, A, B, C, X[ 5], 5 );
nexpaq 1:55a6170b404f 173 P( C, D, A, B, X[ 9], 9 );
nexpaq 1:55a6170b404f 174 P( B, C, D, A, X[13], 13 );
nexpaq 1:55a6170b404f 175 P( A, B, C, D, X[ 2], 3 );
nexpaq 1:55a6170b404f 176 P( D, A, B, C, X[ 6], 5 );
nexpaq 1:55a6170b404f 177 P( C, D, A, B, X[10], 9 );
nexpaq 1:55a6170b404f 178 P( B, C, D, A, X[14], 13 );
nexpaq 1:55a6170b404f 179 P( A, B, C, D, X[ 3], 3 );
nexpaq 1:55a6170b404f 180 P( D, A, B, C, X[ 7], 5 );
nexpaq 1:55a6170b404f 181 P( C, D, A, B, X[11], 9 );
nexpaq 1:55a6170b404f 182 P( B, C, D, A, X[15], 13 );
nexpaq 1:55a6170b404f 183
nexpaq 1:55a6170b404f 184 #undef P
nexpaq 1:55a6170b404f 185 #undef F
nexpaq 1:55a6170b404f 186
nexpaq 1:55a6170b404f 187 #define F(x,y,z) (x ^ y ^ z)
nexpaq 1:55a6170b404f 188 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x6ED9EBA1; a = S(a,s); }
nexpaq 1:55a6170b404f 189
nexpaq 1:55a6170b404f 190 P( A, B, C, D, X[ 0], 3 );
nexpaq 1:55a6170b404f 191 P( D, A, B, C, X[ 8], 9 );
nexpaq 1:55a6170b404f 192 P( C, D, A, B, X[ 4], 11 );
nexpaq 1:55a6170b404f 193 P( B, C, D, A, X[12], 15 );
nexpaq 1:55a6170b404f 194 P( A, B, C, D, X[ 2], 3 );
nexpaq 1:55a6170b404f 195 P( D, A, B, C, X[10], 9 );
nexpaq 1:55a6170b404f 196 P( C, D, A, B, X[ 6], 11 );
nexpaq 1:55a6170b404f 197 P( B, C, D, A, X[14], 15 );
nexpaq 1:55a6170b404f 198 P( A, B, C, D, X[ 1], 3 );
nexpaq 1:55a6170b404f 199 P( D, A, B, C, X[ 9], 9 );
nexpaq 1:55a6170b404f 200 P( C, D, A, B, X[ 5], 11 );
nexpaq 1:55a6170b404f 201 P( B, C, D, A, X[13], 15 );
nexpaq 1:55a6170b404f 202 P( A, B, C, D, X[ 3], 3 );
nexpaq 1:55a6170b404f 203 P( D, A, B, C, X[11], 9 );
nexpaq 1:55a6170b404f 204 P( C, D, A, B, X[ 7], 11 );
nexpaq 1:55a6170b404f 205 P( B, C, D, A, X[15], 15 );
nexpaq 1:55a6170b404f 206
nexpaq 1:55a6170b404f 207 #undef F
nexpaq 1:55a6170b404f 208 #undef P
nexpaq 1:55a6170b404f 209
nexpaq 1:55a6170b404f 210 ctx->state[0] += A;
nexpaq 1:55a6170b404f 211 ctx->state[1] += B;
nexpaq 1:55a6170b404f 212 ctx->state[2] += C;
nexpaq 1:55a6170b404f 213 ctx->state[3] += D;
nexpaq 1:55a6170b404f 214 }
nexpaq 1:55a6170b404f 215 #endif /* !MBEDTLS_MD4_PROCESS_ALT */
nexpaq 1:55a6170b404f 216
nexpaq 1:55a6170b404f 217 /*
nexpaq 1:55a6170b404f 218 * MD4 process buffer
nexpaq 1:55a6170b404f 219 */
nexpaq 1:55a6170b404f 220 void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen )
nexpaq 1:55a6170b404f 221 {
nexpaq 1:55a6170b404f 222 size_t fill;
nexpaq 1:55a6170b404f 223 uint32_t left;
nexpaq 1:55a6170b404f 224
nexpaq 1:55a6170b404f 225 if( ilen == 0 )
nexpaq 1:55a6170b404f 226 return;
nexpaq 1:55a6170b404f 227
nexpaq 1:55a6170b404f 228 left = ctx->total[0] & 0x3F;
nexpaq 1:55a6170b404f 229 fill = 64 - left;
nexpaq 1:55a6170b404f 230
nexpaq 1:55a6170b404f 231 ctx->total[0] += (uint32_t) ilen;
nexpaq 1:55a6170b404f 232 ctx->total[0] &= 0xFFFFFFFF;
nexpaq 1:55a6170b404f 233
nexpaq 1:55a6170b404f 234 if( ctx->total[0] < (uint32_t) ilen )
nexpaq 1:55a6170b404f 235 ctx->total[1]++;
nexpaq 1:55a6170b404f 236
nexpaq 1:55a6170b404f 237 if( left && ilen >= fill )
nexpaq 1:55a6170b404f 238 {
nexpaq 1:55a6170b404f 239 memcpy( (void *) (ctx->buffer + left),
nexpaq 1:55a6170b404f 240 (void *) input, fill );
nexpaq 1:55a6170b404f 241 mbedtls_md4_process( ctx, ctx->buffer );
nexpaq 1:55a6170b404f 242 input += fill;
nexpaq 1:55a6170b404f 243 ilen -= fill;
nexpaq 1:55a6170b404f 244 left = 0;
nexpaq 1:55a6170b404f 245 }
nexpaq 1:55a6170b404f 246
nexpaq 1:55a6170b404f 247 while( ilen >= 64 )
nexpaq 1:55a6170b404f 248 {
nexpaq 1:55a6170b404f 249 mbedtls_md4_process( ctx, input );
nexpaq 1:55a6170b404f 250 input += 64;
nexpaq 1:55a6170b404f 251 ilen -= 64;
nexpaq 1:55a6170b404f 252 }
nexpaq 1:55a6170b404f 253
nexpaq 1:55a6170b404f 254 if( ilen > 0 )
nexpaq 1:55a6170b404f 255 {
nexpaq 1:55a6170b404f 256 memcpy( (void *) (ctx->buffer + left),
nexpaq 1:55a6170b404f 257 (void *) input, ilen );
nexpaq 1:55a6170b404f 258 }
nexpaq 1:55a6170b404f 259 }
nexpaq 1:55a6170b404f 260
nexpaq 1:55a6170b404f 261 static const unsigned char md4_padding[64] =
nexpaq 1:55a6170b404f 262 {
nexpaq 1:55a6170b404f 263 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 264 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 265 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
nexpaq 1:55a6170b404f 266 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
nexpaq 1:55a6170b404f 267 };
nexpaq 1:55a6170b404f 268
nexpaq 1:55a6170b404f 269 /*
nexpaq 1:55a6170b404f 270 * MD4 final digest
nexpaq 1:55a6170b404f 271 */
nexpaq 1:55a6170b404f 272 void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] )
nexpaq 1:55a6170b404f 273 {
nexpaq 1:55a6170b404f 274 uint32_t last, padn;
nexpaq 1:55a6170b404f 275 uint32_t high, low;
nexpaq 1:55a6170b404f 276 unsigned char msglen[8];
nexpaq 1:55a6170b404f 277
nexpaq 1:55a6170b404f 278 high = ( ctx->total[0] >> 29 )
nexpaq 1:55a6170b404f 279 | ( ctx->total[1] << 3 );
nexpaq 1:55a6170b404f 280 low = ( ctx->total[0] << 3 );
nexpaq 1:55a6170b404f 281
nexpaq 1:55a6170b404f 282 PUT_UINT32_LE( low, msglen, 0 );
nexpaq 1:55a6170b404f 283 PUT_UINT32_LE( high, msglen, 4 );
nexpaq 1:55a6170b404f 284
nexpaq 1:55a6170b404f 285 last = ctx->total[0] & 0x3F;
nexpaq 1:55a6170b404f 286 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
nexpaq 1:55a6170b404f 287
nexpaq 1:55a6170b404f 288 mbedtls_md4_update( ctx, (unsigned char *) md4_padding, padn );
nexpaq 1:55a6170b404f 289 mbedtls_md4_update( ctx, msglen, 8 );
nexpaq 1:55a6170b404f 290
nexpaq 1:55a6170b404f 291 PUT_UINT32_LE( ctx->state[0], output, 0 );
nexpaq 1:55a6170b404f 292 PUT_UINT32_LE( ctx->state[1], output, 4 );
nexpaq 1:55a6170b404f 293 PUT_UINT32_LE( ctx->state[2], output, 8 );
nexpaq 1:55a6170b404f 294 PUT_UINT32_LE( ctx->state[3], output, 12 );
nexpaq 1:55a6170b404f 295 }
nexpaq 1:55a6170b404f 296
nexpaq 1:55a6170b404f 297 #endif /* !MBEDTLS_MD4_ALT */
nexpaq 1:55a6170b404f 298
nexpaq 1:55a6170b404f 299 /*
nexpaq 1:55a6170b404f 300 * output = MD4( input buffer )
nexpaq 1:55a6170b404f 301 */
nexpaq 1:55a6170b404f 302 void mbedtls_md4( const unsigned char *input, size_t ilen, unsigned char output[16] )
nexpaq 1:55a6170b404f 303 {
nexpaq 1:55a6170b404f 304 mbedtls_md4_context ctx;
nexpaq 1:55a6170b404f 305
nexpaq 1:55a6170b404f 306 mbedtls_md4_init( &ctx );
nexpaq 1:55a6170b404f 307 mbedtls_md4_starts( &ctx );
nexpaq 1:55a6170b404f 308 mbedtls_md4_update( &ctx, input, ilen );
nexpaq 1:55a6170b404f 309 mbedtls_md4_finish( &ctx, output );
nexpaq 1:55a6170b404f 310 mbedtls_md4_free( &ctx );
nexpaq 1:55a6170b404f 311 }
nexpaq 1:55a6170b404f 312
nexpaq 1:55a6170b404f 313 #if defined(MBEDTLS_SELF_TEST)
nexpaq 1:55a6170b404f 314
nexpaq 1:55a6170b404f 315 /*
nexpaq 1:55a6170b404f 316 * RFC 1320 test vectors
nexpaq 1:55a6170b404f 317 */
nexpaq 1:55a6170b404f 318 static const char md4_test_str[7][81] =
nexpaq 1:55a6170b404f 319 {
nexpaq 1:55a6170b404f 320 { "" },
nexpaq 1:55a6170b404f 321 { "a" },
nexpaq 1:55a6170b404f 322 { "abc" },
nexpaq 1:55a6170b404f 323 { "message digest" },
nexpaq 1:55a6170b404f 324 { "abcdefghijklmnopqrstuvwxyz" },
nexpaq 1:55a6170b404f 325 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
nexpaq 1:55a6170b404f 326 { "12345678901234567890123456789012345678901234567890123456789012" \
nexpaq 1:55a6170b404f 327 "345678901234567890" }
nexpaq 1:55a6170b404f 328 };
nexpaq 1:55a6170b404f 329
nexpaq 1:55a6170b404f 330 static const unsigned char md4_test_sum[7][16] =
nexpaq 1:55a6170b404f 331 {
nexpaq 1:55a6170b404f 332 { 0x31, 0xD6, 0xCF, 0xE0, 0xD1, 0x6A, 0xE9, 0x31,
nexpaq 1:55a6170b404f 333 0xB7, 0x3C, 0x59, 0xD7, 0xE0, 0xC0, 0x89, 0xC0 },
nexpaq 1:55a6170b404f 334 { 0xBD, 0xE5, 0x2C, 0xB3, 0x1D, 0xE3, 0x3E, 0x46,
nexpaq 1:55a6170b404f 335 0x24, 0x5E, 0x05, 0xFB, 0xDB, 0xD6, 0xFB, 0x24 },
nexpaq 1:55a6170b404f 336 { 0xA4, 0x48, 0x01, 0x7A, 0xAF, 0x21, 0xD8, 0x52,
nexpaq 1:55a6170b404f 337 0x5F, 0xC1, 0x0A, 0xE8, 0x7A, 0xA6, 0x72, 0x9D },
nexpaq 1:55a6170b404f 338 { 0xD9, 0x13, 0x0A, 0x81, 0x64, 0x54, 0x9F, 0xE8,
nexpaq 1:55a6170b404f 339 0x18, 0x87, 0x48, 0x06, 0xE1, 0xC7, 0x01, 0x4B },
nexpaq 1:55a6170b404f 340 { 0xD7, 0x9E, 0x1C, 0x30, 0x8A, 0xA5, 0xBB, 0xCD,
nexpaq 1:55a6170b404f 341 0xEE, 0xA8, 0xED, 0x63, 0xDF, 0x41, 0x2D, 0xA9 },
nexpaq 1:55a6170b404f 342 { 0x04, 0x3F, 0x85, 0x82, 0xF2, 0x41, 0xDB, 0x35,
nexpaq 1:55a6170b404f 343 0x1C, 0xE6, 0x27, 0xE1, 0x53, 0xE7, 0xF0, 0xE4 },
nexpaq 1:55a6170b404f 344 { 0xE3, 0x3B, 0x4D, 0xDC, 0x9C, 0x38, 0xF2, 0x19,
nexpaq 1:55a6170b404f 345 0x9C, 0x3E, 0x7B, 0x16, 0x4F, 0xCC, 0x05, 0x36 }
nexpaq 1:55a6170b404f 346 };
nexpaq 1:55a6170b404f 347
nexpaq 1:55a6170b404f 348 /*
nexpaq 1:55a6170b404f 349 * Checkup routine
nexpaq 1:55a6170b404f 350 */
nexpaq 1:55a6170b404f 351 int mbedtls_md4_self_test( int verbose )
nexpaq 1:55a6170b404f 352 {
nexpaq 1:55a6170b404f 353 int i;
nexpaq 1:55a6170b404f 354 unsigned char md4sum[16];
nexpaq 1:55a6170b404f 355
nexpaq 1:55a6170b404f 356 for( i = 0; i < 7; i++ )
nexpaq 1:55a6170b404f 357 {
nexpaq 1:55a6170b404f 358 if( verbose != 0 )
nexpaq 1:55a6170b404f 359 mbedtls_printf( " MD4 test #%d: ", i + 1 );
nexpaq 1:55a6170b404f 360
nexpaq 1:55a6170b404f 361 mbedtls_md4( (unsigned char *) md4_test_str[i],
nexpaq 1:55a6170b404f 362 strlen( md4_test_str[i] ), md4sum );
nexpaq 1:55a6170b404f 363
nexpaq 1:55a6170b404f 364 if( memcmp( md4sum, md4_test_sum[i], 16 ) != 0 )
nexpaq 1:55a6170b404f 365 {
nexpaq 1:55a6170b404f 366 if( verbose != 0 )
nexpaq 1:55a6170b404f 367 mbedtls_printf( "failed\n" );
nexpaq 1:55a6170b404f 368
nexpaq 1:55a6170b404f 369 return( 1 );
nexpaq 1:55a6170b404f 370 }
nexpaq 1:55a6170b404f 371
nexpaq 1:55a6170b404f 372 if( verbose != 0 )
nexpaq 1:55a6170b404f 373 mbedtls_printf( "passed\n" );
nexpaq 1:55a6170b404f 374 }
nexpaq 1:55a6170b404f 375
nexpaq 1:55a6170b404f 376 if( verbose != 0 )
nexpaq 1:55a6170b404f 377 mbedtls_printf( "\n" );
nexpaq 1:55a6170b404f 378
nexpaq 1:55a6170b404f 379 return( 0 );
nexpaq 1:55a6170b404f 380 }
nexpaq 1:55a6170b404f 381
nexpaq 1:55a6170b404f 382 #endif /* MBEDTLS_SELF_TEST */
nexpaq 1:55a6170b404f 383
nexpaq 1:55a6170b404f 384 #endif /* MBEDTLS_MD4_C */