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Dependents:   blinky_max32630fthr

features/mbedtls/src/pkcs5.c@0:5c4d7b2438d3, 2016-11-11 (annotated)

Committer:
switches
Date:
Fri Nov 11 20:59:50 2016 +0000
Revision:
0:5c4d7b2438d3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /**
switches 0:5c4d7b2438d3 2 * \file pkcs5.c
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * \brief PKCS#5 functions
switches 0:5c4d7b2438d3 5 *
switches 0:5c4d7b2438d3 6 * \author Mathias Olsson <mathias@kompetensum.com>
switches 0:5c4d7b2438d3 7 *
switches 0:5c4d7b2438d3 8 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
switches 0:5c4d7b2438d3 9 * SPDX-License-Identifier: Apache-2.0
switches 0:5c4d7b2438d3 10 *
switches 0:5c4d7b2438d3 11 * Licensed under the Apache License, Version 2.0 (the "License"); you may
switches 0:5c4d7b2438d3 12 * not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 13 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 14 *
switches 0:5c4d7b2438d3 15 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 16 *
switches 0:5c4d7b2438d3 17 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 18 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
switches 0:5c4d7b2438d3 19 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 20 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 21 * limitations under the License.
switches 0:5c4d7b2438d3 22 *
switches 0:5c4d7b2438d3 23 * This file is part of mbed TLS (https://tls.mbed.org)
switches 0:5c4d7b2438d3 24 */
switches 0:5c4d7b2438d3 25 /*
switches 0:5c4d7b2438d3 26 * PKCS#5 includes PBKDF2 and more
switches 0:5c4d7b2438d3 27 *
switches 0:5c4d7b2438d3 28 * http://tools.ietf.org/html/rfc2898 (Specification)
switches 0:5c4d7b2438d3 29 * http://tools.ietf.org/html/rfc6070 (Test vectors)
switches 0:5c4d7b2438d3 30 */
switches 0:5c4d7b2438d3 31
switches 0:5c4d7b2438d3 32 #if !defined(MBEDTLS_CONFIG_FILE)
switches 0:5c4d7b2438d3 33 #include "mbedtls/config.h"
switches 0:5c4d7b2438d3 34 #else
switches 0:5c4d7b2438d3 35 #include MBEDTLS_CONFIG_FILE
switches 0:5c4d7b2438d3 36 #endif
switches 0:5c4d7b2438d3 37
switches 0:5c4d7b2438d3 38 #if defined(MBEDTLS_PKCS5_C)
switches 0:5c4d7b2438d3 39
switches 0:5c4d7b2438d3 40 #include "mbedtls/pkcs5.h"
switches 0:5c4d7b2438d3 41 #include "mbedtls/asn1.h"
switches 0:5c4d7b2438d3 42 #include "mbedtls/cipher.h"
switches 0:5c4d7b2438d3 43 #include "mbedtls/oid.h"
switches 0:5c4d7b2438d3 44
switches 0:5c4d7b2438d3 45 #include <string.h>
switches 0:5c4d7b2438d3 46
switches 0:5c4d7b2438d3 47 #if defined(MBEDTLS_PLATFORM_C)
switches 0:5c4d7b2438d3 48 #include "mbedtls/platform.h"
switches 0:5c4d7b2438d3 49 #else
switches 0:5c4d7b2438d3 50 #include <stdio.h>
switches 0:5c4d7b2438d3 51 #define mbedtls_printf printf
switches 0:5c4d7b2438d3 52 #endif
switches 0:5c4d7b2438d3 53
switches 0:5c4d7b2438d3 54 static int pkcs5_parse_pbkdf2_params( const mbedtls_asn1_buf *params,
switches 0:5c4d7b2438d3 55 mbedtls_asn1_buf *salt, int *iterations,
switches 0:5c4d7b2438d3 56 int *keylen, mbedtls_md_type_t *md_type )
switches 0:5c4d7b2438d3 57 {
switches 0:5c4d7b2438d3 58 int ret;
switches 0:5c4d7b2438d3 59 mbedtls_asn1_buf prf_alg_oid;
switches 0:5c4d7b2438d3 60 unsigned char *p = params->p;
switches 0:5c4d7b2438d3 61 const unsigned char *end = params->p + params->len;
switches 0:5c4d7b2438d3 62
switches 0:5c4d7b2438d3 63 if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
switches 0:5c4d7b2438d3 64 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
switches 0:5c4d7b2438d3 65 MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
switches 0:5c4d7b2438d3 66 /*
switches 0:5c4d7b2438d3 67 * PBKDF2-params ::= SEQUENCE {
switches 0:5c4d7b2438d3 68 * salt OCTET STRING,
switches 0:5c4d7b2438d3 69 * iterationCount INTEGER,
switches 0:5c4d7b2438d3 70 * keyLength INTEGER OPTIONAL
switches 0:5c4d7b2438d3 71 * prf AlgorithmIdentifier DEFAULT algid-hmacWithSHA1
switches 0:5c4d7b2438d3 72 * }
switches 0:5c4d7b2438d3 73 *
switches 0:5c4d7b2438d3 74 */
switches 0:5c4d7b2438d3 75 if( ( ret = mbedtls_asn1_get_tag( &p, end, &salt->len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
switches 0:5c4d7b2438d3 76 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 77
switches 0:5c4d7b2438d3 78 salt->p = p;
switches 0:5c4d7b2438d3 79 p += salt->len;
switches 0:5c4d7b2438d3 80
switches 0:5c4d7b2438d3 81 if( ( ret = mbedtls_asn1_get_int( &p, end, iterations ) ) != 0 )
switches 0:5c4d7b2438d3 82 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 83
switches 0:5c4d7b2438d3 84 if( p == end )
switches 0:5c4d7b2438d3 85 return( 0 );
switches 0:5c4d7b2438d3 86
switches 0:5c4d7b2438d3 87 if( ( ret = mbedtls_asn1_get_int( &p, end, keylen ) ) != 0 )
switches 0:5c4d7b2438d3 88 {
switches 0:5c4d7b2438d3 89 if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
switches 0:5c4d7b2438d3 90 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 91 }
switches 0:5c4d7b2438d3 92
switches 0:5c4d7b2438d3 93 if( p == end )
switches 0:5c4d7b2438d3 94 return( 0 );
switches 0:5c4d7b2438d3 95
switches 0:5c4d7b2438d3 96 if( ( ret = mbedtls_asn1_get_alg_null( &p, end, &prf_alg_oid ) ) != 0 )
switches 0:5c4d7b2438d3 97 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 98
switches 0:5c4d7b2438d3 99 if( MBEDTLS_OID_CMP( MBEDTLS_OID_HMAC_SHA1, &prf_alg_oid ) != 0 )
switches 0:5c4d7b2438d3 100 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
switches 0:5c4d7b2438d3 101
switches 0:5c4d7b2438d3 102 *md_type = MBEDTLS_MD_SHA1;
switches 0:5c4d7b2438d3 103
switches 0:5c4d7b2438d3 104 if( p != end )
switches 0:5c4d7b2438d3 105 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
switches 0:5c4d7b2438d3 106 MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
switches 0:5c4d7b2438d3 107
switches 0:5c4d7b2438d3 108 return( 0 );
switches 0:5c4d7b2438d3 109 }
switches 0:5c4d7b2438d3 110
switches 0:5c4d7b2438d3 111 int mbedtls_pkcs5_pbes2( const mbedtls_asn1_buf *pbe_params, int mode,
switches 0:5c4d7b2438d3 112 const unsigned char *pwd, size_t pwdlen,
switches 0:5c4d7b2438d3 113 const unsigned char *data, size_t datalen,
switches 0:5c4d7b2438d3 114 unsigned char *output )
switches 0:5c4d7b2438d3 115 {
switches 0:5c4d7b2438d3 116 int ret, iterations = 0, keylen = 0;
switches 0:5c4d7b2438d3 117 unsigned char *p, *end;
switches 0:5c4d7b2438d3 118 mbedtls_asn1_buf kdf_alg_oid, enc_scheme_oid, kdf_alg_params, enc_scheme_params;
switches 0:5c4d7b2438d3 119 mbedtls_asn1_buf salt;
switches 0:5c4d7b2438d3 120 mbedtls_md_type_t md_type = MBEDTLS_MD_SHA1;
switches 0:5c4d7b2438d3 121 unsigned char key[32], iv[32];
switches 0:5c4d7b2438d3 122 size_t olen = 0;
switches 0:5c4d7b2438d3 123 const mbedtls_md_info_t *md_info;
switches 0:5c4d7b2438d3 124 const mbedtls_cipher_info_t *cipher_info;
switches 0:5c4d7b2438d3 125 mbedtls_md_context_t md_ctx;
switches 0:5c4d7b2438d3 126 mbedtls_cipher_type_t cipher_alg;
switches 0:5c4d7b2438d3 127 mbedtls_cipher_context_t cipher_ctx;
switches 0:5c4d7b2438d3 128
switches 0:5c4d7b2438d3 129 p = pbe_params->p;
switches 0:5c4d7b2438d3 130 end = p + pbe_params->len;
switches 0:5c4d7b2438d3 131
switches 0:5c4d7b2438d3 132 /*
switches 0:5c4d7b2438d3 133 * PBES2-params ::= SEQUENCE {
switches 0:5c4d7b2438d3 134 * keyDerivationFunc AlgorithmIdentifier {{PBES2-KDFs}},
switches 0:5c4d7b2438d3 135 * encryptionScheme AlgorithmIdentifier {{PBES2-Encs}}
switches 0:5c4d7b2438d3 136 * }
switches 0:5c4d7b2438d3 137 */
switches 0:5c4d7b2438d3 138 if( pbe_params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
switches 0:5c4d7b2438d3 139 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
switches 0:5c4d7b2438d3 140 MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
switches 0:5c4d7b2438d3 141
switches 0:5c4d7b2438d3 142 if( ( ret = mbedtls_asn1_get_alg( &p, end, &kdf_alg_oid, &kdf_alg_params ) ) != 0 )
switches 0:5c4d7b2438d3 143 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 144
switches 0:5c4d7b2438d3 145 // Only PBKDF2 supported at the moment
switches 0:5c4d7b2438d3 146 //
switches 0:5c4d7b2438d3 147 if( MBEDTLS_OID_CMP( MBEDTLS_OID_PKCS5_PBKDF2, &kdf_alg_oid ) != 0 )
switches 0:5c4d7b2438d3 148 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
switches 0:5c4d7b2438d3 149
switches 0:5c4d7b2438d3 150 if( ( ret = pkcs5_parse_pbkdf2_params( &kdf_alg_params,
switches 0:5c4d7b2438d3 151 &salt, &iterations, &keylen,
switches 0:5c4d7b2438d3 152 &md_type ) ) != 0 )
switches 0:5c4d7b2438d3 153 {
switches 0:5c4d7b2438d3 154 return( ret );
switches 0:5c4d7b2438d3 155 }
switches 0:5c4d7b2438d3 156
switches 0:5c4d7b2438d3 157 md_info = mbedtls_md_info_from_type( md_type );
switches 0:5c4d7b2438d3 158 if( md_info == NULL )
switches 0:5c4d7b2438d3 159 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
switches 0:5c4d7b2438d3 160
switches 0:5c4d7b2438d3 161 if( ( ret = mbedtls_asn1_get_alg( &p, end, &enc_scheme_oid,
switches 0:5c4d7b2438d3 162 &enc_scheme_params ) ) != 0 )
switches 0:5c4d7b2438d3 163 {
switches 0:5c4d7b2438d3 164 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
switches 0:5c4d7b2438d3 165 }
switches 0:5c4d7b2438d3 166
switches 0:5c4d7b2438d3 167 if( mbedtls_oid_get_cipher_alg( &enc_scheme_oid, &cipher_alg ) != 0 )
switches 0:5c4d7b2438d3 168 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
switches 0:5c4d7b2438d3 169
switches 0:5c4d7b2438d3 170 cipher_info = mbedtls_cipher_info_from_type( cipher_alg );
switches 0:5c4d7b2438d3 171 if( cipher_info == NULL )
switches 0:5c4d7b2438d3 172 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
switches 0:5c4d7b2438d3 173
switches 0:5c4d7b2438d3 174 /*
switches 0:5c4d7b2438d3 175 * The value of keylen from pkcs5_parse_pbkdf2_params() is ignored
switches 0:5c4d7b2438d3 176 * since it is optional and we don't know if it was set or not
switches 0:5c4d7b2438d3 177 */
switches 0:5c4d7b2438d3 178 keylen = cipher_info->key_bitlen / 8;
switches 0:5c4d7b2438d3 179
switches 0:5c4d7b2438d3 180 if( enc_scheme_params.tag != MBEDTLS_ASN1_OCTET_STRING ||
switches 0:5c4d7b2438d3 181 enc_scheme_params.len != cipher_info->iv_size )
switches 0:5c4d7b2438d3 182 {
switches 0:5c4d7b2438d3 183 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT );
switches 0:5c4d7b2438d3 184 }
switches 0:5c4d7b2438d3 185
switches 0:5c4d7b2438d3 186 mbedtls_md_init( &md_ctx );
switches 0:5c4d7b2438d3 187 mbedtls_cipher_init( &cipher_ctx );
switches 0:5c4d7b2438d3 188
switches 0:5c4d7b2438d3 189 memcpy( iv, enc_scheme_params.p, enc_scheme_params.len );
switches 0:5c4d7b2438d3 190
switches 0:5c4d7b2438d3 191 if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 1 ) ) != 0 )
switches 0:5c4d7b2438d3 192 goto exit;
switches 0:5c4d7b2438d3 193
switches 0:5c4d7b2438d3 194 if( ( ret = mbedtls_pkcs5_pbkdf2_hmac( &md_ctx, pwd, pwdlen, salt.p, salt.len,
switches 0:5c4d7b2438d3 195 iterations, keylen, key ) ) != 0 )
switches 0:5c4d7b2438d3 196 {
switches 0:5c4d7b2438d3 197 goto exit;
switches 0:5c4d7b2438d3 198 }
switches 0:5c4d7b2438d3 199
switches 0:5c4d7b2438d3 200 if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info ) ) != 0 )
switches 0:5c4d7b2438d3 201 goto exit;
switches 0:5c4d7b2438d3 202
switches 0:5c4d7b2438d3 203 if( ( ret = mbedtls_cipher_setkey( &cipher_ctx, key, 8 * keylen, (mbedtls_operation_t) mode ) ) != 0 )
switches 0:5c4d7b2438d3 204 goto exit;
switches 0:5c4d7b2438d3 205
switches 0:5c4d7b2438d3 206 if( ( ret = mbedtls_cipher_crypt( &cipher_ctx, iv, enc_scheme_params.len,
switches 0:5c4d7b2438d3 207 data, datalen, output, &olen ) ) != 0 )
switches 0:5c4d7b2438d3 208 ret = MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH;
switches 0:5c4d7b2438d3 209
switches 0:5c4d7b2438d3 210 exit:
switches 0:5c4d7b2438d3 211 mbedtls_md_free( &md_ctx );
switches 0:5c4d7b2438d3 212 mbedtls_cipher_free( &cipher_ctx );
switches 0:5c4d7b2438d3 213
switches 0:5c4d7b2438d3 214 return( ret );
switches 0:5c4d7b2438d3 215 }
switches 0:5c4d7b2438d3 216
switches 0:5c4d7b2438d3 217 int mbedtls_pkcs5_pbkdf2_hmac( mbedtls_md_context_t *ctx, const unsigned char *password,
switches 0:5c4d7b2438d3 218 size_t plen, const unsigned char *salt, size_t slen,
switches 0:5c4d7b2438d3 219 unsigned int iteration_count,
switches 0:5c4d7b2438d3 220 uint32_t key_length, unsigned char *output )
switches 0:5c4d7b2438d3 221 {
switches 0:5c4d7b2438d3 222 int ret, j;
switches 0:5c4d7b2438d3 223 unsigned int i;
switches 0:5c4d7b2438d3 224 unsigned char md1[MBEDTLS_MD_MAX_SIZE];
switches 0:5c4d7b2438d3 225 unsigned char work[MBEDTLS_MD_MAX_SIZE];
switches 0:5c4d7b2438d3 226 unsigned char md_size = mbedtls_md_get_size( ctx->md_info );
switches 0:5c4d7b2438d3 227 size_t use_len;
switches 0:5c4d7b2438d3 228 unsigned char *out_p = output;
switches 0:5c4d7b2438d3 229 unsigned char counter[4];
switches 0:5c4d7b2438d3 230
switches 0:5c4d7b2438d3 231 memset( counter, 0, 4 );
switches 0:5c4d7b2438d3 232 counter[3] = 1;
switches 0:5c4d7b2438d3 233
switches 0:5c4d7b2438d3 234 if( iteration_count > 0xFFFFFFFF )
switches 0:5c4d7b2438d3 235 return( MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA );
switches 0:5c4d7b2438d3 236
switches 0:5c4d7b2438d3 237 while( key_length )
switches 0:5c4d7b2438d3 238 {
switches 0:5c4d7b2438d3 239 // U1 ends up in work
switches 0:5c4d7b2438d3 240 //
switches 0:5c4d7b2438d3 241 if( ( ret = mbedtls_md_hmac_starts( ctx, password, plen ) ) != 0 )
switches 0:5c4d7b2438d3 242 return( ret );
switches 0:5c4d7b2438d3 243
switches 0:5c4d7b2438d3 244 if( ( ret = mbedtls_md_hmac_update( ctx, salt, slen ) ) != 0 )
switches 0:5c4d7b2438d3 245 return( ret );
switches 0:5c4d7b2438d3 246
switches 0:5c4d7b2438d3 247 if( ( ret = mbedtls_md_hmac_update( ctx, counter, 4 ) ) != 0 )
switches 0:5c4d7b2438d3 248 return( ret );
switches 0:5c4d7b2438d3 249
switches 0:5c4d7b2438d3 250 if( ( ret = mbedtls_md_hmac_finish( ctx, work ) ) != 0 )
switches 0:5c4d7b2438d3 251 return( ret );
switches 0:5c4d7b2438d3 252
switches 0:5c4d7b2438d3 253 memcpy( md1, work, md_size );
switches 0:5c4d7b2438d3 254
switches 0:5c4d7b2438d3 255 for( i = 1; i < iteration_count; i++ )
switches 0:5c4d7b2438d3 256 {
switches 0:5c4d7b2438d3 257 // U2 ends up in md1
switches 0:5c4d7b2438d3 258 //
switches 0:5c4d7b2438d3 259 if( ( ret = mbedtls_md_hmac_starts( ctx, password, plen ) ) != 0 )
switches 0:5c4d7b2438d3 260 return( ret );
switches 0:5c4d7b2438d3 261
switches 0:5c4d7b2438d3 262 if( ( ret = mbedtls_md_hmac_update( ctx, md1, md_size ) ) != 0 )
switches 0:5c4d7b2438d3 263 return( ret );
switches 0:5c4d7b2438d3 264
switches 0:5c4d7b2438d3 265 if( ( ret = mbedtls_md_hmac_finish( ctx, md1 ) ) != 0 )
switches 0:5c4d7b2438d3 266 return( ret );
switches 0:5c4d7b2438d3 267
switches 0:5c4d7b2438d3 268 // U1 xor U2
switches 0:5c4d7b2438d3 269 //
switches 0:5c4d7b2438d3 270 for( j = 0; j < md_size; j++ )
switches 0:5c4d7b2438d3 271 work[j] ^= md1[j];
switches 0:5c4d7b2438d3 272 }
switches 0:5c4d7b2438d3 273
switches 0:5c4d7b2438d3 274 use_len = ( key_length < md_size ) ? key_length : md_size;
switches 0:5c4d7b2438d3 275 memcpy( out_p, work, use_len );
switches 0:5c4d7b2438d3 276
switches 0:5c4d7b2438d3 277 key_length -= (uint32_t) use_len;
switches 0:5c4d7b2438d3 278 out_p += use_len;
switches 0:5c4d7b2438d3 279
switches 0:5c4d7b2438d3 280 for( i = 4; i > 0; i-- )
switches 0:5c4d7b2438d3 281 if( ++counter[i - 1] != 0 )
switches 0:5c4d7b2438d3 282 break;
switches 0:5c4d7b2438d3 283 }
switches 0:5c4d7b2438d3 284
switches 0:5c4d7b2438d3 285 return( 0 );
switches 0:5c4d7b2438d3 286 }
switches 0:5c4d7b2438d3 287
switches 0:5c4d7b2438d3 288 #if defined(MBEDTLS_SELF_TEST)
switches 0:5c4d7b2438d3 289
switches 0:5c4d7b2438d3 290 #if !defined(MBEDTLS_SHA1_C)
switches 0:5c4d7b2438d3 291 int mbedtls_pkcs5_self_test( int verbose )
switches 0:5c4d7b2438d3 292 {
switches 0:5c4d7b2438d3 293 if( verbose != 0 )
switches 0:5c4d7b2438d3 294 mbedtls_printf( " PBKDF2 (SHA1): skipped\n\n" );
switches 0:5c4d7b2438d3 295
switches 0:5c4d7b2438d3 296 return( 0 );
switches 0:5c4d7b2438d3 297 }
switches 0:5c4d7b2438d3 298 #else
switches 0:5c4d7b2438d3 299
switches 0:5c4d7b2438d3 300 #define MAX_TESTS 6
switches 0:5c4d7b2438d3 301
switches 0:5c4d7b2438d3 302 static const size_t plen[MAX_TESTS] =
switches 0:5c4d7b2438d3 303 { 8, 8, 8, 24, 9 };
switches 0:5c4d7b2438d3 304
switches 0:5c4d7b2438d3 305 static const unsigned char password[MAX_TESTS][32] =
switches 0:5c4d7b2438d3 306 {
switches 0:5c4d7b2438d3 307 "password",
switches 0:5c4d7b2438d3 308 "password",
switches 0:5c4d7b2438d3 309 "password",
switches 0:5c4d7b2438d3 310 "passwordPASSWORDpassword",
switches 0:5c4d7b2438d3 311 "pass\0word",
switches 0:5c4d7b2438d3 312 };
switches 0:5c4d7b2438d3 313
switches 0:5c4d7b2438d3 314 static const size_t slen[MAX_TESTS] =
switches 0:5c4d7b2438d3 315 { 4, 4, 4, 36, 5 };
switches 0:5c4d7b2438d3 316
switches 0:5c4d7b2438d3 317 static const unsigned char salt[MAX_TESTS][40] =
switches 0:5c4d7b2438d3 318 {
switches 0:5c4d7b2438d3 319 "salt",
switches 0:5c4d7b2438d3 320 "salt",
switches 0:5c4d7b2438d3 321 "salt",
switches 0:5c4d7b2438d3 322 "saltSALTsaltSALTsaltSALTsaltSALTsalt",
switches 0:5c4d7b2438d3 323 "sa\0lt",
switches 0:5c4d7b2438d3 324 };
switches 0:5c4d7b2438d3 325
switches 0:5c4d7b2438d3 326 static const uint32_t it_cnt[MAX_TESTS] =
switches 0:5c4d7b2438d3 327 { 1, 2, 4096, 4096, 4096 };
switches 0:5c4d7b2438d3 328
switches 0:5c4d7b2438d3 329 static const uint32_t key_len[MAX_TESTS] =
switches 0:5c4d7b2438d3 330 { 20, 20, 20, 25, 16 };
switches 0:5c4d7b2438d3 331
switches 0:5c4d7b2438d3 332 static const unsigned char result_key[MAX_TESTS][32] =
switches 0:5c4d7b2438d3 333 {
switches 0:5c4d7b2438d3 334 { 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
switches 0:5c4d7b2438d3 335 0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
switches 0:5c4d7b2438d3 336 0x2f, 0xe0, 0x37, 0xa6 },
switches 0:5c4d7b2438d3 337 { 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
switches 0:5c4d7b2438d3 338 0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
switches 0:5c4d7b2438d3 339 0xd8, 0xde, 0x89, 0x57 },
switches 0:5c4d7b2438d3 340 { 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
switches 0:5c4d7b2438d3 341 0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
switches 0:5c4d7b2438d3 342 0x65, 0xa4, 0x29, 0xc1 },
switches 0:5c4d7b2438d3 343 { 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
switches 0:5c4d7b2438d3 344 0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
switches 0:5c4d7b2438d3 345 0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
switches 0:5c4d7b2438d3 346 0x38 },
switches 0:5c4d7b2438d3 347 { 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
switches 0:5c4d7b2438d3 348 0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
switches 0:5c4d7b2438d3 349 };
switches 0:5c4d7b2438d3 350
switches 0:5c4d7b2438d3 351 int mbedtls_pkcs5_self_test( int verbose )
switches 0:5c4d7b2438d3 352 {
switches 0:5c4d7b2438d3 353 mbedtls_md_context_t sha1_ctx;
switches 0:5c4d7b2438d3 354 const mbedtls_md_info_t *info_sha1;
switches 0:5c4d7b2438d3 355 int ret, i;
switches 0:5c4d7b2438d3 356 unsigned char key[64];
switches 0:5c4d7b2438d3 357
switches 0:5c4d7b2438d3 358 mbedtls_md_init( &sha1_ctx );
switches 0:5c4d7b2438d3 359
switches 0:5c4d7b2438d3 360 info_sha1 = mbedtls_md_info_from_type( MBEDTLS_MD_SHA1 );
switches 0:5c4d7b2438d3 361 if( info_sha1 == NULL )
switches 0:5c4d7b2438d3 362 {
switches 0:5c4d7b2438d3 363 ret = 1;
switches 0:5c4d7b2438d3 364 goto exit;
switches 0:5c4d7b2438d3 365 }
switches 0:5c4d7b2438d3 366
switches 0:5c4d7b2438d3 367 if( ( ret = mbedtls_md_setup( &sha1_ctx, info_sha1, 1 ) ) != 0 )
switches 0:5c4d7b2438d3 368 {
switches 0:5c4d7b2438d3 369 ret = 1;
switches 0:5c4d7b2438d3 370 goto exit;
switches 0:5c4d7b2438d3 371 }
switches 0:5c4d7b2438d3 372
switches 0:5c4d7b2438d3 373 for( i = 0; i < MAX_TESTS; i++ )
switches 0:5c4d7b2438d3 374 {
switches 0:5c4d7b2438d3 375 if( verbose != 0 )
switches 0:5c4d7b2438d3 376 mbedtls_printf( " PBKDF2 (SHA1) #%d: ", i );
switches 0:5c4d7b2438d3 377
switches 0:5c4d7b2438d3 378 ret = mbedtls_pkcs5_pbkdf2_hmac( &sha1_ctx, password[i], plen[i], salt[i],
switches 0:5c4d7b2438d3 379 slen[i], it_cnt[i], key_len[i], key );
switches 0:5c4d7b2438d3 380 if( ret != 0 ||
switches 0:5c4d7b2438d3 381 memcmp( result_key[i], key, key_len[i] ) != 0 )
switches 0:5c4d7b2438d3 382 {
switches 0:5c4d7b2438d3 383 if( verbose != 0 )
switches 0:5c4d7b2438d3 384 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 385
switches 0:5c4d7b2438d3 386 ret = 1;
switches 0:5c4d7b2438d3 387 goto exit;
switches 0:5c4d7b2438d3 388 }
switches 0:5c4d7b2438d3 389
switches 0:5c4d7b2438d3 390 if( verbose != 0 )
switches 0:5c4d7b2438d3 391 mbedtls_printf( "passed\n" );
switches 0:5c4d7b2438d3 392 }
switches 0:5c4d7b2438d3 393
switches 0:5c4d7b2438d3 394 if( verbose != 0 )
switches 0:5c4d7b2438d3 395 mbedtls_printf( "\n" );
switches 0:5c4d7b2438d3 396
switches 0:5c4d7b2438d3 397 exit:
switches 0:5c4d7b2438d3 398 mbedtls_md_free( &sha1_ctx );
switches 0:5c4d7b2438d3 399
switches 0:5c4d7b2438d3 400 return( ret );
switches 0:5c4d7b2438d3 401 }
switches 0:5c4d7b2438d3 402 #endif /* MBEDTLS_SHA1_C */
switches 0:5c4d7b2438d3 403
switches 0:5c4d7b2438d3 404 #endif /* MBEDTLS_SELF_TEST */
switches 0:5c4d7b2438d3 405
switches 0:5c4d7b2438d3 406 #endif /* MBEDTLS_PKCS5_C */