takashi kadono / Mbed OS Nucleo446_SSD1331

Dependencies:   ssd1331

Committer:
kadonotakashi
Date:
Wed Oct 10 00:33:53 2018 +0000
Revision:
0:8fdf9a60065b
how to make mbed librry

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /**
kadonotakashi 0:8fdf9a60065b 2 * \file mbedtls_md.c
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * \brief Generic message digest wrapper for mbed TLS
kadonotakashi 0:8fdf9a60065b 5 *
kadonotakashi 0:8fdf9a60065b 6 * \author Adriaan de Jong <dejong@fox-it.com>
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
kadonotakashi 0:8fdf9a60065b 9 * SPDX-License-Identifier: Apache-2.0
kadonotakashi 0:8fdf9a60065b 10 *
kadonotakashi 0:8fdf9a60065b 11 * Licensed under the Apache License, Version 2.0 (the "License"); you may
kadonotakashi 0:8fdf9a60065b 12 * not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 13 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 14 *
kadonotakashi 0:8fdf9a60065b 15 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 16 *
kadonotakashi 0:8fdf9a60065b 17 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 18 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
kadonotakashi 0:8fdf9a60065b 19 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 20 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 21 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 22 *
kadonotakashi 0:8fdf9a60065b 23 * This file is part of mbed TLS (https://tls.mbed.org)
kadonotakashi 0:8fdf9a60065b 24 */
kadonotakashi 0:8fdf9a60065b 25
kadonotakashi 0:8fdf9a60065b 26 #if !defined(MBEDTLS_CONFIG_FILE)
kadonotakashi 0:8fdf9a60065b 27 #include "mbedtls/config.h"
kadonotakashi 0:8fdf9a60065b 28 #else
kadonotakashi 0:8fdf9a60065b 29 #include MBEDTLS_CONFIG_FILE
kadonotakashi 0:8fdf9a60065b 30 #endif
kadonotakashi 0:8fdf9a60065b 31
kadonotakashi 0:8fdf9a60065b 32 #if defined(MBEDTLS_MD_C)
kadonotakashi 0:8fdf9a60065b 33
kadonotakashi 0:8fdf9a60065b 34 #include "mbedtls/md.h"
kadonotakashi 0:8fdf9a60065b 35 #include "mbedtls/md_internal.h"
kadonotakashi 0:8fdf9a60065b 36 #include "mbedtls/platform_util.h"
kadonotakashi 0:8fdf9a60065b 37
kadonotakashi 0:8fdf9a60065b 38 #if defined(MBEDTLS_PLATFORM_C)
kadonotakashi 0:8fdf9a60065b 39 #include "mbedtls/platform.h"
kadonotakashi 0:8fdf9a60065b 40 #else
kadonotakashi 0:8fdf9a60065b 41 #include <stdlib.h>
kadonotakashi 0:8fdf9a60065b 42 #define mbedtls_calloc calloc
kadonotakashi 0:8fdf9a60065b 43 #define mbedtls_free free
kadonotakashi 0:8fdf9a60065b 44 #endif
kadonotakashi 0:8fdf9a60065b 45
kadonotakashi 0:8fdf9a60065b 46 #include <string.h>
kadonotakashi 0:8fdf9a60065b 47
kadonotakashi 0:8fdf9a60065b 48 #if defined(MBEDTLS_FS_IO)
kadonotakashi 0:8fdf9a60065b 49 #include <stdio.h>
kadonotakashi 0:8fdf9a60065b 50 #endif
kadonotakashi 0:8fdf9a60065b 51
kadonotakashi 0:8fdf9a60065b 52 /*
kadonotakashi 0:8fdf9a60065b 53 * Reminder: update profiles in x509_crt.c when adding a new hash!
kadonotakashi 0:8fdf9a60065b 54 */
kadonotakashi 0:8fdf9a60065b 55 static const int supported_digests[] = {
kadonotakashi 0:8fdf9a60065b 56
kadonotakashi 0:8fdf9a60065b 57 #if defined(MBEDTLS_SHA512_C)
kadonotakashi 0:8fdf9a60065b 58 MBEDTLS_MD_SHA512,
kadonotakashi 0:8fdf9a60065b 59 MBEDTLS_MD_SHA384,
kadonotakashi 0:8fdf9a60065b 60 #endif
kadonotakashi 0:8fdf9a60065b 61
kadonotakashi 0:8fdf9a60065b 62 #if defined(MBEDTLS_SHA256_C)
kadonotakashi 0:8fdf9a60065b 63 MBEDTLS_MD_SHA256,
kadonotakashi 0:8fdf9a60065b 64 MBEDTLS_MD_SHA224,
kadonotakashi 0:8fdf9a60065b 65 #endif
kadonotakashi 0:8fdf9a60065b 66
kadonotakashi 0:8fdf9a60065b 67 #if defined(MBEDTLS_SHA1_C)
kadonotakashi 0:8fdf9a60065b 68 MBEDTLS_MD_SHA1,
kadonotakashi 0:8fdf9a60065b 69 #endif
kadonotakashi 0:8fdf9a60065b 70
kadonotakashi 0:8fdf9a60065b 71 #if defined(MBEDTLS_RIPEMD160_C)
kadonotakashi 0:8fdf9a60065b 72 MBEDTLS_MD_RIPEMD160,
kadonotakashi 0:8fdf9a60065b 73 #endif
kadonotakashi 0:8fdf9a60065b 74
kadonotakashi 0:8fdf9a60065b 75 #if defined(MBEDTLS_MD5_C)
kadonotakashi 0:8fdf9a60065b 76 MBEDTLS_MD_MD5,
kadonotakashi 0:8fdf9a60065b 77 #endif
kadonotakashi 0:8fdf9a60065b 78
kadonotakashi 0:8fdf9a60065b 79 #if defined(MBEDTLS_MD4_C)
kadonotakashi 0:8fdf9a60065b 80 MBEDTLS_MD_MD4,
kadonotakashi 0:8fdf9a60065b 81 #endif
kadonotakashi 0:8fdf9a60065b 82
kadonotakashi 0:8fdf9a60065b 83 #if defined(MBEDTLS_MD2_C)
kadonotakashi 0:8fdf9a60065b 84 MBEDTLS_MD_MD2,
kadonotakashi 0:8fdf9a60065b 85 #endif
kadonotakashi 0:8fdf9a60065b 86
kadonotakashi 0:8fdf9a60065b 87 MBEDTLS_MD_NONE
kadonotakashi 0:8fdf9a60065b 88 };
kadonotakashi 0:8fdf9a60065b 89
kadonotakashi 0:8fdf9a60065b 90 const int *mbedtls_md_list( void )
kadonotakashi 0:8fdf9a60065b 91 {
kadonotakashi 0:8fdf9a60065b 92 return( supported_digests );
kadonotakashi 0:8fdf9a60065b 93 }
kadonotakashi 0:8fdf9a60065b 94
kadonotakashi 0:8fdf9a60065b 95 const mbedtls_md_info_t *mbedtls_md_info_from_string( const char *md_name )
kadonotakashi 0:8fdf9a60065b 96 {
kadonotakashi 0:8fdf9a60065b 97 if( NULL == md_name )
kadonotakashi 0:8fdf9a60065b 98 return( NULL );
kadonotakashi 0:8fdf9a60065b 99
kadonotakashi 0:8fdf9a60065b 100 /* Get the appropriate digest information */
kadonotakashi 0:8fdf9a60065b 101 #if defined(MBEDTLS_MD2_C)
kadonotakashi 0:8fdf9a60065b 102 if( !strcmp( "MD2", md_name ) )
kadonotakashi 0:8fdf9a60065b 103 return mbedtls_md_info_from_type( MBEDTLS_MD_MD2 );
kadonotakashi 0:8fdf9a60065b 104 #endif
kadonotakashi 0:8fdf9a60065b 105 #if defined(MBEDTLS_MD4_C)
kadonotakashi 0:8fdf9a60065b 106 if( !strcmp( "MD4", md_name ) )
kadonotakashi 0:8fdf9a60065b 107 return mbedtls_md_info_from_type( MBEDTLS_MD_MD4 );
kadonotakashi 0:8fdf9a60065b 108 #endif
kadonotakashi 0:8fdf9a60065b 109 #if defined(MBEDTLS_MD5_C)
kadonotakashi 0:8fdf9a60065b 110 if( !strcmp( "MD5", md_name ) )
kadonotakashi 0:8fdf9a60065b 111 return mbedtls_md_info_from_type( MBEDTLS_MD_MD5 );
kadonotakashi 0:8fdf9a60065b 112 #endif
kadonotakashi 0:8fdf9a60065b 113 #if defined(MBEDTLS_RIPEMD160_C)
kadonotakashi 0:8fdf9a60065b 114 if( !strcmp( "RIPEMD160", md_name ) )
kadonotakashi 0:8fdf9a60065b 115 return mbedtls_md_info_from_type( MBEDTLS_MD_RIPEMD160 );
kadonotakashi 0:8fdf9a60065b 116 #endif
kadonotakashi 0:8fdf9a60065b 117 #if defined(MBEDTLS_SHA1_C)
kadonotakashi 0:8fdf9a60065b 118 if( !strcmp( "SHA1", md_name ) || !strcmp( "SHA", md_name ) )
kadonotakashi 0:8fdf9a60065b 119 return mbedtls_md_info_from_type( MBEDTLS_MD_SHA1 );
kadonotakashi 0:8fdf9a60065b 120 #endif
kadonotakashi 0:8fdf9a60065b 121 #if defined(MBEDTLS_SHA256_C)
kadonotakashi 0:8fdf9a60065b 122 if( !strcmp( "SHA224", md_name ) )
kadonotakashi 0:8fdf9a60065b 123 return mbedtls_md_info_from_type( MBEDTLS_MD_SHA224 );
kadonotakashi 0:8fdf9a60065b 124 if( !strcmp( "SHA256", md_name ) )
kadonotakashi 0:8fdf9a60065b 125 return mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 );
kadonotakashi 0:8fdf9a60065b 126 #endif
kadonotakashi 0:8fdf9a60065b 127 #if defined(MBEDTLS_SHA512_C)
kadonotakashi 0:8fdf9a60065b 128 if( !strcmp( "SHA384", md_name ) )
kadonotakashi 0:8fdf9a60065b 129 return mbedtls_md_info_from_type( MBEDTLS_MD_SHA384 );
kadonotakashi 0:8fdf9a60065b 130 if( !strcmp( "SHA512", md_name ) )
kadonotakashi 0:8fdf9a60065b 131 return mbedtls_md_info_from_type( MBEDTLS_MD_SHA512 );
kadonotakashi 0:8fdf9a60065b 132 #endif
kadonotakashi 0:8fdf9a60065b 133 return( NULL );
kadonotakashi 0:8fdf9a60065b 134 }
kadonotakashi 0:8fdf9a60065b 135
kadonotakashi 0:8fdf9a60065b 136 const mbedtls_md_info_t *mbedtls_md_info_from_type( mbedtls_md_type_t md_type )
kadonotakashi 0:8fdf9a60065b 137 {
kadonotakashi 0:8fdf9a60065b 138 switch( md_type )
kadonotakashi 0:8fdf9a60065b 139 {
kadonotakashi 0:8fdf9a60065b 140 #if defined(MBEDTLS_MD2_C)
kadonotakashi 0:8fdf9a60065b 141 case MBEDTLS_MD_MD2:
kadonotakashi 0:8fdf9a60065b 142 return( &mbedtls_md2_info );
kadonotakashi 0:8fdf9a60065b 143 #endif
kadonotakashi 0:8fdf9a60065b 144 #if defined(MBEDTLS_MD4_C)
kadonotakashi 0:8fdf9a60065b 145 case MBEDTLS_MD_MD4:
kadonotakashi 0:8fdf9a60065b 146 return( &mbedtls_md4_info );
kadonotakashi 0:8fdf9a60065b 147 #endif
kadonotakashi 0:8fdf9a60065b 148 #if defined(MBEDTLS_MD5_C)
kadonotakashi 0:8fdf9a60065b 149 case MBEDTLS_MD_MD5:
kadonotakashi 0:8fdf9a60065b 150 return( &mbedtls_md5_info );
kadonotakashi 0:8fdf9a60065b 151 #endif
kadonotakashi 0:8fdf9a60065b 152 #if defined(MBEDTLS_RIPEMD160_C)
kadonotakashi 0:8fdf9a60065b 153 case MBEDTLS_MD_RIPEMD160:
kadonotakashi 0:8fdf9a60065b 154 return( &mbedtls_ripemd160_info );
kadonotakashi 0:8fdf9a60065b 155 #endif
kadonotakashi 0:8fdf9a60065b 156 #if defined(MBEDTLS_SHA1_C)
kadonotakashi 0:8fdf9a60065b 157 case MBEDTLS_MD_SHA1:
kadonotakashi 0:8fdf9a60065b 158 return( &mbedtls_sha1_info );
kadonotakashi 0:8fdf9a60065b 159 #endif
kadonotakashi 0:8fdf9a60065b 160 #if defined(MBEDTLS_SHA256_C)
kadonotakashi 0:8fdf9a60065b 161 case MBEDTLS_MD_SHA224:
kadonotakashi 0:8fdf9a60065b 162 return( &mbedtls_sha224_info );
kadonotakashi 0:8fdf9a60065b 163 case MBEDTLS_MD_SHA256:
kadonotakashi 0:8fdf9a60065b 164 return( &mbedtls_sha256_info );
kadonotakashi 0:8fdf9a60065b 165 #endif
kadonotakashi 0:8fdf9a60065b 166 #if defined(MBEDTLS_SHA512_C)
kadonotakashi 0:8fdf9a60065b 167 case MBEDTLS_MD_SHA384:
kadonotakashi 0:8fdf9a60065b 168 return( &mbedtls_sha384_info );
kadonotakashi 0:8fdf9a60065b 169 case MBEDTLS_MD_SHA512:
kadonotakashi 0:8fdf9a60065b 170 return( &mbedtls_sha512_info );
kadonotakashi 0:8fdf9a60065b 171 #endif
kadonotakashi 0:8fdf9a60065b 172 default:
kadonotakashi 0:8fdf9a60065b 173 return( NULL );
kadonotakashi 0:8fdf9a60065b 174 }
kadonotakashi 0:8fdf9a60065b 175 }
kadonotakashi 0:8fdf9a60065b 176
kadonotakashi 0:8fdf9a60065b 177 void mbedtls_md_init( mbedtls_md_context_t *ctx )
kadonotakashi 0:8fdf9a60065b 178 {
kadonotakashi 0:8fdf9a60065b 179 memset( ctx, 0, sizeof( mbedtls_md_context_t ) );
kadonotakashi 0:8fdf9a60065b 180 }
kadonotakashi 0:8fdf9a60065b 181
kadonotakashi 0:8fdf9a60065b 182 void mbedtls_md_free( mbedtls_md_context_t *ctx )
kadonotakashi 0:8fdf9a60065b 183 {
kadonotakashi 0:8fdf9a60065b 184 if( ctx == NULL || ctx->md_info == NULL )
kadonotakashi 0:8fdf9a60065b 185 return;
kadonotakashi 0:8fdf9a60065b 186
kadonotakashi 0:8fdf9a60065b 187 if( ctx->md_ctx != NULL )
kadonotakashi 0:8fdf9a60065b 188 ctx->md_info->ctx_free_func( ctx->md_ctx );
kadonotakashi 0:8fdf9a60065b 189
kadonotakashi 0:8fdf9a60065b 190 if( ctx->hmac_ctx != NULL )
kadonotakashi 0:8fdf9a60065b 191 {
kadonotakashi 0:8fdf9a60065b 192 mbedtls_platform_zeroize( ctx->hmac_ctx,
kadonotakashi 0:8fdf9a60065b 193 2 * ctx->md_info->block_size );
kadonotakashi 0:8fdf9a60065b 194 mbedtls_free( ctx->hmac_ctx );
kadonotakashi 0:8fdf9a60065b 195 }
kadonotakashi 0:8fdf9a60065b 196
kadonotakashi 0:8fdf9a60065b 197 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_md_context_t ) );
kadonotakashi 0:8fdf9a60065b 198 }
kadonotakashi 0:8fdf9a60065b 199
kadonotakashi 0:8fdf9a60065b 200 int mbedtls_md_clone( mbedtls_md_context_t *dst,
kadonotakashi 0:8fdf9a60065b 201 const mbedtls_md_context_t *src )
kadonotakashi 0:8fdf9a60065b 202 {
kadonotakashi 0:8fdf9a60065b 203 if( dst == NULL || dst->md_info == NULL ||
kadonotakashi 0:8fdf9a60065b 204 src == NULL || src->md_info == NULL ||
kadonotakashi 0:8fdf9a60065b 205 dst->md_info != src->md_info )
kadonotakashi 0:8fdf9a60065b 206 {
kadonotakashi 0:8fdf9a60065b 207 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 208 }
kadonotakashi 0:8fdf9a60065b 209
kadonotakashi 0:8fdf9a60065b 210 dst->md_info->clone_func( dst->md_ctx, src->md_ctx );
kadonotakashi 0:8fdf9a60065b 211
kadonotakashi 0:8fdf9a60065b 212 return( 0 );
kadonotakashi 0:8fdf9a60065b 213 }
kadonotakashi 0:8fdf9a60065b 214
kadonotakashi 0:8fdf9a60065b 215 #if ! defined(MBEDTLS_DEPRECATED_REMOVED)
kadonotakashi 0:8fdf9a60065b 216 int mbedtls_md_init_ctx( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info )
kadonotakashi 0:8fdf9a60065b 217 {
kadonotakashi 0:8fdf9a60065b 218 return mbedtls_md_setup( ctx, md_info, 1 );
kadonotakashi 0:8fdf9a60065b 219 }
kadonotakashi 0:8fdf9a60065b 220 #endif
kadonotakashi 0:8fdf9a60065b 221
kadonotakashi 0:8fdf9a60065b 222 int mbedtls_md_setup( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info, int hmac )
kadonotakashi 0:8fdf9a60065b 223 {
kadonotakashi 0:8fdf9a60065b 224 if( md_info == NULL || ctx == NULL )
kadonotakashi 0:8fdf9a60065b 225 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 226
kadonotakashi 0:8fdf9a60065b 227 if( ( ctx->md_ctx = md_info->ctx_alloc_func() ) == NULL )
kadonotakashi 0:8fdf9a60065b 228 return( MBEDTLS_ERR_MD_ALLOC_FAILED );
kadonotakashi 0:8fdf9a60065b 229
kadonotakashi 0:8fdf9a60065b 230 if( hmac != 0 )
kadonotakashi 0:8fdf9a60065b 231 {
kadonotakashi 0:8fdf9a60065b 232 ctx->hmac_ctx = mbedtls_calloc( 2, md_info->block_size );
kadonotakashi 0:8fdf9a60065b 233 if( ctx->hmac_ctx == NULL )
kadonotakashi 0:8fdf9a60065b 234 {
kadonotakashi 0:8fdf9a60065b 235 md_info->ctx_free_func( ctx->md_ctx );
kadonotakashi 0:8fdf9a60065b 236 return( MBEDTLS_ERR_MD_ALLOC_FAILED );
kadonotakashi 0:8fdf9a60065b 237 }
kadonotakashi 0:8fdf9a60065b 238 }
kadonotakashi 0:8fdf9a60065b 239
kadonotakashi 0:8fdf9a60065b 240 ctx->md_info = md_info;
kadonotakashi 0:8fdf9a60065b 241
kadonotakashi 0:8fdf9a60065b 242 return( 0 );
kadonotakashi 0:8fdf9a60065b 243 }
kadonotakashi 0:8fdf9a60065b 244
kadonotakashi 0:8fdf9a60065b 245 int mbedtls_md_starts( mbedtls_md_context_t *ctx )
kadonotakashi 0:8fdf9a60065b 246 {
kadonotakashi 0:8fdf9a60065b 247 if( ctx == NULL || ctx->md_info == NULL )
kadonotakashi 0:8fdf9a60065b 248 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 249
kadonotakashi 0:8fdf9a60065b 250 return( ctx->md_info->starts_func( ctx->md_ctx ) );
kadonotakashi 0:8fdf9a60065b 251 }
kadonotakashi 0:8fdf9a60065b 252
kadonotakashi 0:8fdf9a60065b 253 int mbedtls_md_update( mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen )
kadonotakashi 0:8fdf9a60065b 254 {
kadonotakashi 0:8fdf9a60065b 255 if( ctx == NULL || ctx->md_info == NULL )
kadonotakashi 0:8fdf9a60065b 256 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 257
kadonotakashi 0:8fdf9a60065b 258 return( ctx->md_info->update_func( ctx->md_ctx, input, ilen ) );
kadonotakashi 0:8fdf9a60065b 259 }
kadonotakashi 0:8fdf9a60065b 260
kadonotakashi 0:8fdf9a60065b 261 int mbedtls_md_finish( mbedtls_md_context_t *ctx, unsigned char *output )
kadonotakashi 0:8fdf9a60065b 262 {
kadonotakashi 0:8fdf9a60065b 263 if( ctx == NULL || ctx->md_info == NULL )
kadonotakashi 0:8fdf9a60065b 264 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 265
kadonotakashi 0:8fdf9a60065b 266 return( ctx->md_info->finish_func( ctx->md_ctx, output ) );
kadonotakashi 0:8fdf9a60065b 267 }
kadonotakashi 0:8fdf9a60065b 268
kadonotakashi 0:8fdf9a60065b 269 int mbedtls_md( const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen,
kadonotakashi 0:8fdf9a60065b 270 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 271 {
kadonotakashi 0:8fdf9a60065b 272 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 273 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 274
kadonotakashi 0:8fdf9a60065b 275 return( md_info->digest_func( input, ilen, output ) );
kadonotakashi 0:8fdf9a60065b 276 }
kadonotakashi 0:8fdf9a60065b 277
kadonotakashi 0:8fdf9a60065b 278 #if defined(MBEDTLS_FS_IO)
kadonotakashi 0:8fdf9a60065b 279 int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path, unsigned char *output )
kadonotakashi 0:8fdf9a60065b 280 {
kadonotakashi 0:8fdf9a60065b 281 int ret;
kadonotakashi 0:8fdf9a60065b 282 FILE *f;
kadonotakashi 0:8fdf9a60065b 283 size_t n;
kadonotakashi 0:8fdf9a60065b 284 mbedtls_md_context_t ctx;
kadonotakashi 0:8fdf9a60065b 285 unsigned char buf[1024];
kadonotakashi 0:8fdf9a60065b 286
kadonotakashi 0:8fdf9a60065b 287 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 288 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 289
kadonotakashi 0:8fdf9a60065b 290 if( ( f = fopen( path, "rb" ) ) == NULL )
kadonotakashi 0:8fdf9a60065b 291 return( MBEDTLS_ERR_MD_FILE_IO_ERROR );
kadonotakashi 0:8fdf9a60065b 292
kadonotakashi 0:8fdf9a60065b 293 mbedtls_md_init( &ctx );
kadonotakashi 0:8fdf9a60065b 294
kadonotakashi 0:8fdf9a60065b 295 if( ( ret = mbedtls_md_setup( &ctx, md_info, 0 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 296 goto cleanup;
kadonotakashi 0:8fdf9a60065b 297
kadonotakashi 0:8fdf9a60065b 298 if( ( ret = md_info->starts_func( ctx.md_ctx ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 299 goto cleanup;
kadonotakashi 0:8fdf9a60065b 300
kadonotakashi 0:8fdf9a60065b 301 while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 )
kadonotakashi 0:8fdf9a60065b 302 if( ( ret = md_info->update_func( ctx.md_ctx, buf, n ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 303 goto cleanup;
kadonotakashi 0:8fdf9a60065b 304
kadonotakashi 0:8fdf9a60065b 305 if( ferror( f ) != 0 )
kadonotakashi 0:8fdf9a60065b 306 ret = MBEDTLS_ERR_MD_FILE_IO_ERROR;
kadonotakashi 0:8fdf9a60065b 307 else
kadonotakashi 0:8fdf9a60065b 308 ret = md_info->finish_func( ctx.md_ctx, output );
kadonotakashi 0:8fdf9a60065b 309
kadonotakashi 0:8fdf9a60065b 310 cleanup:
kadonotakashi 0:8fdf9a60065b 311 mbedtls_platform_zeroize( buf, sizeof( buf ) );
kadonotakashi 0:8fdf9a60065b 312 fclose( f );
kadonotakashi 0:8fdf9a60065b 313 mbedtls_md_free( &ctx );
kadonotakashi 0:8fdf9a60065b 314
kadonotakashi 0:8fdf9a60065b 315 return( ret );
kadonotakashi 0:8fdf9a60065b 316 }
kadonotakashi 0:8fdf9a60065b 317 #endif /* MBEDTLS_FS_IO */
kadonotakashi 0:8fdf9a60065b 318
kadonotakashi 0:8fdf9a60065b 319 int mbedtls_md_hmac_starts( mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen )
kadonotakashi 0:8fdf9a60065b 320 {
kadonotakashi 0:8fdf9a60065b 321 int ret;
kadonotakashi 0:8fdf9a60065b 322 unsigned char sum[MBEDTLS_MD_MAX_SIZE];
kadonotakashi 0:8fdf9a60065b 323 unsigned char *ipad, *opad;
kadonotakashi 0:8fdf9a60065b 324 size_t i;
kadonotakashi 0:8fdf9a60065b 325
kadonotakashi 0:8fdf9a60065b 326 if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )
kadonotakashi 0:8fdf9a60065b 327 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 328
kadonotakashi 0:8fdf9a60065b 329 if( keylen > (size_t) ctx->md_info->block_size )
kadonotakashi 0:8fdf9a60065b 330 {
kadonotakashi 0:8fdf9a60065b 331 if( ( ret = ctx->md_info->starts_func( ctx->md_ctx ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 332 goto cleanup;
kadonotakashi 0:8fdf9a60065b 333 if( ( ret = ctx->md_info->update_func( ctx->md_ctx, key, keylen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 334 goto cleanup;
kadonotakashi 0:8fdf9a60065b 335 if( ( ret = ctx->md_info->finish_func( ctx->md_ctx, sum ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 336 goto cleanup;
kadonotakashi 0:8fdf9a60065b 337
kadonotakashi 0:8fdf9a60065b 338 keylen = ctx->md_info->size;
kadonotakashi 0:8fdf9a60065b 339 key = sum;
kadonotakashi 0:8fdf9a60065b 340 }
kadonotakashi 0:8fdf9a60065b 341
kadonotakashi 0:8fdf9a60065b 342 ipad = (unsigned char *) ctx->hmac_ctx;
kadonotakashi 0:8fdf9a60065b 343 opad = (unsigned char *) ctx->hmac_ctx + ctx->md_info->block_size;
kadonotakashi 0:8fdf9a60065b 344
kadonotakashi 0:8fdf9a60065b 345 memset( ipad, 0x36, ctx->md_info->block_size );
kadonotakashi 0:8fdf9a60065b 346 memset( opad, 0x5C, ctx->md_info->block_size );
kadonotakashi 0:8fdf9a60065b 347
kadonotakashi 0:8fdf9a60065b 348 for( i = 0; i < keylen; i++ )
kadonotakashi 0:8fdf9a60065b 349 {
kadonotakashi 0:8fdf9a60065b 350 ipad[i] = (unsigned char)( ipad[i] ^ key[i] );
kadonotakashi 0:8fdf9a60065b 351 opad[i] = (unsigned char)( opad[i] ^ key[i] );
kadonotakashi 0:8fdf9a60065b 352 }
kadonotakashi 0:8fdf9a60065b 353
kadonotakashi 0:8fdf9a60065b 354 if( ( ret = ctx->md_info->starts_func( ctx->md_ctx ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 355 goto cleanup;
kadonotakashi 0:8fdf9a60065b 356 if( ( ret = ctx->md_info->update_func( ctx->md_ctx, ipad,
kadonotakashi 0:8fdf9a60065b 357 ctx->md_info->block_size ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 358 goto cleanup;
kadonotakashi 0:8fdf9a60065b 359
kadonotakashi 0:8fdf9a60065b 360 cleanup:
kadonotakashi 0:8fdf9a60065b 361 mbedtls_platform_zeroize( sum, sizeof( sum ) );
kadonotakashi 0:8fdf9a60065b 362
kadonotakashi 0:8fdf9a60065b 363 return( ret );
kadonotakashi 0:8fdf9a60065b 364 }
kadonotakashi 0:8fdf9a60065b 365
kadonotakashi 0:8fdf9a60065b 366 int mbedtls_md_hmac_update( mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen )
kadonotakashi 0:8fdf9a60065b 367 {
kadonotakashi 0:8fdf9a60065b 368 if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )
kadonotakashi 0:8fdf9a60065b 369 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 370
kadonotakashi 0:8fdf9a60065b 371 return( ctx->md_info->update_func( ctx->md_ctx, input, ilen ) );
kadonotakashi 0:8fdf9a60065b 372 }
kadonotakashi 0:8fdf9a60065b 373
kadonotakashi 0:8fdf9a60065b 374 int mbedtls_md_hmac_finish( mbedtls_md_context_t *ctx, unsigned char *output )
kadonotakashi 0:8fdf9a60065b 375 {
kadonotakashi 0:8fdf9a60065b 376 int ret;
kadonotakashi 0:8fdf9a60065b 377 unsigned char tmp[MBEDTLS_MD_MAX_SIZE];
kadonotakashi 0:8fdf9a60065b 378 unsigned char *opad;
kadonotakashi 0:8fdf9a60065b 379
kadonotakashi 0:8fdf9a60065b 380 if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )
kadonotakashi 0:8fdf9a60065b 381 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 382
kadonotakashi 0:8fdf9a60065b 383 opad = (unsigned char *) ctx->hmac_ctx + ctx->md_info->block_size;
kadonotakashi 0:8fdf9a60065b 384
kadonotakashi 0:8fdf9a60065b 385 if( ( ret = ctx->md_info->finish_func( ctx->md_ctx, tmp ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 386 return( ret );
kadonotakashi 0:8fdf9a60065b 387 if( ( ret = ctx->md_info->starts_func( ctx->md_ctx ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 388 return( ret );
kadonotakashi 0:8fdf9a60065b 389 if( ( ret = ctx->md_info->update_func( ctx->md_ctx, opad,
kadonotakashi 0:8fdf9a60065b 390 ctx->md_info->block_size ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 391 return( ret );
kadonotakashi 0:8fdf9a60065b 392 if( ( ret = ctx->md_info->update_func( ctx->md_ctx, tmp,
kadonotakashi 0:8fdf9a60065b 393 ctx->md_info->size ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 394 return( ret );
kadonotakashi 0:8fdf9a60065b 395 return( ctx->md_info->finish_func( ctx->md_ctx, output ) );
kadonotakashi 0:8fdf9a60065b 396 }
kadonotakashi 0:8fdf9a60065b 397
kadonotakashi 0:8fdf9a60065b 398 int mbedtls_md_hmac_reset( mbedtls_md_context_t *ctx )
kadonotakashi 0:8fdf9a60065b 399 {
kadonotakashi 0:8fdf9a60065b 400 int ret;
kadonotakashi 0:8fdf9a60065b 401 unsigned char *ipad;
kadonotakashi 0:8fdf9a60065b 402
kadonotakashi 0:8fdf9a60065b 403 if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )
kadonotakashi 0:8fdf9a60065b 404 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 405
kadonotakashi 0:8fdf9a60065b 406 ipad = (unsigned char *) ctx->hmac_ctx;
kadonotakashi 0:8fdf9a60065b 407
kadonotakashi 0:8fdf9a60065b 408 if( ( ret = ctx->md_info->starts_func( ctx->md_ctx ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 409 return( ret );
kadonotakashi 0:8fdf9a60065b 410 return( ctx->md_info->update_func( ctx->md_ctx, ipad,
kadonotakashi 0:8fdf9a60065b 411 ctx->md_info->block_size ) );
kadonotakashi 0:8fdf9a60065b 412 }
kadonotakashi 0:8fdf9a60065b 413
kadonotakashi 0:8fdf9a60065b 414 int mbedtls_md_hmac( const mbedtls_md_info_t *md_info,
kadonotakashi 0:8fdf9a60065b 415 const unsigned char *key, size_t keylen,
kadonotakashi 0:8fdf9a60065b 416 const unsigned char *input, size_t ilen,
kadonotakashi 0:8fdf9a60065b 417 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 418 {
kadonotakashi 0:8fdf9a60065b 419 mbedtls_md_context_t ctx;
kadonotakashi 0:8fdf9a60065b 420 int ret;
kadonotakashi 0:8fdf9a60065b 421
kadonotakashi 0:8fdf9a60065b 422 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 423 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 424
kadonotakashi 0:8fdf9a60065b 425 mbedtls_md_init( &ctx );
kadonotakashi 0:8fdf9a60065b 426
kadonotakashi 0:8fdf9a60065b 427 if( ( ret = mbedtls_md_setup( &ctx, md_info, 1 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 428 goto cleanup;
kadonotakashi 0:8fdf9a60065b 429
kadonotakashi 0:8fdf9a60065b 430 if( ( ret = mbedtls_md_hmac_starts( &ctx, key, keylen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 431 goto cleanup;
kadonotakashi 0:8fdf9a60065b 432 if( ( ret = mbedtls_md_hmac_update( &ctx, input, ilen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 433 goto cleanup;
kadonotakashi 0:8fdf9a60065b 434 if( ( ret = mbedtls_md_hmac_finish( &ctx, output ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 435 goto cleanup;
kadonotakashi 0:8fdf9a60065b 436
kadonotakashi 0:8fdf9a60065b 437 cleanup:
kadonotakashi 0:8fdf9a60065b 438 mbedtls_md_free( &ctx );
kadonotakashi 0:8fdf9a60065b 439
kadonotakashi 0:8fdf9a60065b 440 return( ret );
kadonotakashi 0:8fdf9a60065b 441 }
kadonotakashi 0:8fdf9a60065b 442
kadonotakashi 0:8fdf9a60065b 443 int mbedtls_md_process( mbedtls_md_context_t *ctx, const unsigned char *data )
kadonotakashi 0:8fdf9a60065b 444 {
kadonotakashi 0:8fdf9a60065b 445 if( ctx == NULL || ctx->md_info == NULL )
kadonotakashi 0:8fdf9a60065b 446 return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 447
kadonotakashi 0:8fdf9a60065b 448 return( ctx->md_info->process_func( ctx->md_ctx, data ) );
kadonotakashi 0:8fdf9a60065b 449 }
kadonotakashi 0:8fdf9a60065b 450
kadonotakashi 0:8fdf9a60065b 451 unsigned char mbedtls_md_get_size( const mbedtls_md_info_t *md_info )
kadonotakashi 0:8fdf9a60065b 452 {
kadonotakashi 0:8fdf9a60065b 453 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 454 return( 0 );
kadonotakashi 0:8fdf9a60065b 455
kadonotakashi 0:8fdf9a60065b 456 return md_info->size;
kadonotakashi 0:8fdf9a60065b 457 }
kadonotakashi 0:8fdf9a60065b 458
kadonotakashi 0:8fdf9a60065b 459 mbedtls_md_type_t mbedtls_md_get_type( const mbedtls_md_info_t *md_info )
kadonotakashi 0:8fdf9a60065b 460 {
kadonotakashi 0:8fdf9a60065b 461 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 462 return( MBEDTLS_MD_NONE );
kadonotakashi 0:8fdf9a60065b 463
kadonotakashi 0:8fdf9a60065b 464 return md_info->type;
kadonotakashi 0:8fdf9a60065b 465 }
kadonotakashi 0:8fdf9a60065b 466
kadonotakashi 0:8fdf9a60065b 467 const char *mbedtls_md_get_name( const mbedtls_md_info_t *md_info )
kadonotakashi 0:8fdf9a60065b 468 {
kadonotakashi 0:8fdf9a60065b 469 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 470 return( NULL );
kadonotakashi 0:8fdf9a60065b 471
kadonotakashi 0:8fdf9a60065b 472 return md_info->name;
kadonotakashi 0:8fdf9a60065b 473 }
kadonotakashi 0:8fdf9a60065b 474
kadonotakashi 0:8fdf9a60065b 475 #endif /* MBEDTLS_MD_C */