takashi kadono / Mbed OS Nucleo446_SSD1331

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Dependencies:   ssd1331

mbed-os/features/mbedtls/src/pkcs5.c@0:8fdf9a60065b, 2018-10-10 (annotated)

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 pkcs5.c
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * \brief PKCS#5 functions
kadonotakashi 0:8fdf9a60065b 5 *
kadonotakashi 0:8fdf9a60065b 6 * \author Mathias Olsson <mathias@kompetensum.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 * PKCS#5 includes PBKDF2 and more
kadonotakashi 0:8fdf9a60065b 27 *
kadonotakashi 0:8fdf9a60065b 28 * http://tools.ietf.org/html/rfc2898 (Specification)
kadonotakashi 0:8fdf9a60065b 29 * http://tools.ietf.org/html/rfc6070 (Test vectors)
kadonotakashi 0:8fdf9a60065b 30 */
kadonotakashi 0:8fdf9a60065b 31
kadonotakashi 0:8fdf9a60065b 32 #if !defined(MBEDTLS_CONFIG_FILE)
kadonotakashi 0:8fdf9a60065b 33 #include "mbedtls/config.h"
kadonotakashi 0:8fdf9a60065b 34 #else
kadonotakashi 0:8fdf9a60065b 35 #include MBEDTLS_CONFIG_FILE
kadonotakashi 0:8fdf9a60065b 36 #endif
kadonotakashi 0:8fdf9a60065b 37
kadonotakashi 0:8fdf9a60065b 38 #if defined(MBEDTLS_PKCS5_C)
kadonotakashi 0:8fdf9a60065b 39
kadonotakashi 0:8fdf9a60065b 40 #include "mbedtls/pkcs5.h"
kadonotakashi 0:8fdf9a60065b 41
kadonotakashi 0:8fdf9a60065b 42 #if defined(MBEDTLS_ASN1_PARSE_C)
kadonotakashi 0:8fdf9a60065b 43 #include "mbedtls/asn1.h"
kadonotakashi 0:8fdf9a60065b 44 #include "mbedtls/cipher.h"
kadonotakashi 0:8fdf9a60065b 45 #include "mbedtls/oid.h"
kadonotakashi 0:8fdf9a60065b 46 #endif /* MBEDTLS_ASN1_PARSE_C */
kadonotakashi 0:8fdf9a60065b 47
kadonotakashi 0:8fdf9a60065b 48 #include <string.h>
kadonotakashi 0:8fdf9a60065b 49
kadonotakashi 0:8fdf9a60065b 50 #if defined(MBEDTLS_PLATFORM_C)
kadonotakashi 0:8fdf9a60065b 51 #include "mbedtls/platform.h"
kadonotakashi 0:8fdf9a60065b 52 #else
kadonotakashi 0:8fdf9a60065b 53 #include <stdio.h>
kadonotakashi 0:8fdf9a60065b 54 #define mbedtls_printf printf
kadonotakashi 0:8fdf9a60065b 55 #endif
kadonotakashi 0:8fdf9a60065b 56
kadonotakashi 0:8fdf9a60065b 57 #if !defined(MBEDTLS_ASN1_PARSE_C)
kadonotakashi 0:8fdf9a60065b 58 int mbedtls_pkcs5_pbes2( const mbedtls_asn1_buf *pbe_params, int mode,
kadonotakashi 0:8fdf9a60065b 59 const unsigned char *pwd, size_t pwdlen,
kadonotakashi 0:8fdf9a60065b 60 const unsigned char *data, size_t datalen,
kadonotakashi 0:8fdf9a60065b 61 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 62 {
kadonotakashi 0:8fdf9a60065b 63 ((void) pbe_params);
kadonotakashi 0:8fdf9a60065b 64 ((void) mode);
kadonotakashi 0:8fdf9a60065b 65 ((void) pwd);
kadonotakashi 0:8fdf9a60065b 66 ((void) pwdlen);
kadonotakashi 0:8fdf9a60065b 67 ((void) data);
kadonotakashi 0:8fdf9a60065b 68 ((void) datalen);
kadonotakashi 0:8fdf9a60065b 69 ((void) output);
kadonotakashi 0:8fdf9a60065b 70 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 71 }
kadonotakashi 0:8fdf9a60065b 72 #else
kadonotakashi 0:8fdf9a60065b 73 static int pkcs5_parse_pbkdf2_params( const mbedtls_asn1_buf *params,
kadonotakashi 0:8fdf9a60065b 74 mbedtls_asn1_buf *salt, int *iterations,
kadonotakashi 0:8fdf9a60065b 75 int *keylen, mbedtls_md_type_t *md_type )
kadonotakashi 0:8fdf9a60065b 76 {
kadonotakashi 0:8fdf9a60065b 77 int ret;
kadonotakashi 0:8fdf9a60065b 78 mbedtls_asn1_buf prf_alg_oid;
kadonotakashi 0:8fdf9a60065b 79 unsigned char *p = params->p;
kadonotakashi 0:8fdf9a60065b 80 const unsigned char *end = params->p + params->len;
kadonotakashi 0:8fdf9a60065b 81
kadonotakashi 0:8fdf9a60065b 82 if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
kadonotakashi 0:8fdf9a60065b 83 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
kadonotakashi 0:8fdf9a60065b 84 MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
kadonotakashi 0:8fdf9a60065b 85 /*
kadonotakashi 0:8fdf9a60065b 86 * PBKDF2-params ::= SEQUENCE {
kadonotakashi 0:8fdf9a60065b 87 * salt OCTET STRING,
kadonotakashi 0:8fdf9a60065b 88 * iterationCount INTEGER,
kadonotakashi 0:8fdf9a60065b 89 * keyLength INTEGER OPTIONAL
kadonotakashi 0:8fdf9a60065b 90 * prf AlgorithmIdentifier DEFAULT algid-hmacWithSHA1
kadonotakashi 0:8fdf9a60065b 91 * }
kadonotakashi 0:8fdf9a60065b 92 *
kadonotakashi 0:8fdf9a60065b 93 */
kadonotakashi 0:8fdf9a60065b 94 if( ( ret = mbedtls_asn1_get_tag( &p, end, &salt->len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 95 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 96
kadonotakashi 0:8fdf9a60065b 97 salt->p = p;
kadonotakashi 0:8fdf9a60065b 98 p += salt->len;
kadonotakashi 0:8fdf9a60065b 99
kadonotakashi 0:8fdf9a60065b 100 if( ( ret = mbedtls_asn1_get_int( &p, end, iterations ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 101 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 102
kadonotakashi 0:8fdf9a60065b 103 if( p == end )
kadonotakashi 0:8fdf9a60065b 104 return( 0 );
kadonotakashi 0:8fdf9a60065b 105
kadonotakashi 0:8fdf9a60065b 106 if( ( ret = mbedtls_asn1_get_int( &p, end, keylen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 107 {
kadonotakashi 0:8fdf9a60065b 108 if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
kadonotakashi 0:8fdf9a60065b 109 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 110 }
kadonotakashi 0:8fdf9a60065b 111
kadonotakashi 0:8fdf9a60065b 112 if( p == end )
kadonotakashi 0:8fdf9a60065b 113 return( 0 );
kadonotakashi 0:8fdf9a60065b 114
kadonotakashi 0:8fdf9a60065b 115 if( ( ret = mbedtls_asn1_get_alg_null( &p, end, &prf_alg_oid ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 116 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 117
kadonotakashi 0:8fdf9a60065b 118 if( mbedtls_oid_get_md_hmac( &prf_alg_oid, md_type ) != 0 )
kadonotakashi 0:8fdf9a60065b 119 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 120
kadonotakashi 0:8fdf9a60065b 121 if( p != end )
kadonotakashi 0:8fdf9a60065b 122 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
kadonotakashi 0:8fdf9a60065b 123 MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
kadonotakashi 0:8fdf9a60065b 124
kadonotakashi 0:8fdf9a60065b 125 return( 0 );
kadonotakashi 0:8fdf9a60065b 126 }
kadonotakashi 0:8fdf9a60065b 127
kadonotakashi 0:8fdf9a60065b 128 int mbedtls_pkcs5_pbes2( const mbedtls_asn1_buf *pbe_params, int mode,
kadonotakashi 0:8fdf9a60065b 129 const unsigned char *pwd, size_t pwdlen,
kadonotakashi 0:8fdf9a60065b 130 const unsigned char *data, size_t datalen,
kadonotakashi 0:8fdf9a60065b 131 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 132 {
kadonotakashi 0:8fdf9a60065b 133 int ret, iterations = 0, keylen = 0;
kadonotakashi 0:8fdf9a60065b 134 unsigned char *p, *end;
kadonotakashi 0:8fdf9a60065b 135 mbedtls_asn1_buf kdf_alg_oid, enc_scheme_oid, kdf_alg_params, enc_scheme_params;
kadonotakashi 0:8fdf9a60065b 136 mbedtls_asn1_buf salt;
kadonotakashi 0:8fdf9a60065b 137 mbedtls_md_type_t md_type = MBEDTLS_MD_SHA1;
kadonotakashi 0:8fdf9a60065b 138 unsigned char key[32], iv[32];
kadonotakashi 0:8fdf9a60065b 139 size_t olen = 0;
kadonotakashi 0:8fdf9a60065b 140 const mbedtls_md_info_t *md_info;
kadonotakashi 0:8fdf9a60065b 141 const mbedtls_cipher_info_t *cipher_info;
kadonotakashi 0:8fdf9a60065b 142 mbedtls_md_context_t md_ctx;
kadonotakashi 0:8fdf9a60065b 143 mbedtls_cipher_type_t cipher_alg;
kadonotakashi 0:8fdf9a60065b 144 mbedtls_cipher_context_t cipher_ctx;
kadonotakashi 0:8fdf9a60065b 145
kadonotakashi 0:8fdf9a60065b 146 p = pbe_params->p;
kadonotakashi 0:8fdf9a60065b 147 end = p + pbe_params->len;
kadonotakashi 0:8fdf9a60065b 148
kadonotakashi 0:8fdf9a60065b 149 /*
kadonotakashi 0:8fdf9a60065b 150 * PBES2-params ::= SEQUENCE {
kadonotakashi 0:8fdf9a60065b 151 * keyDerivationFunc AlgorithmIdentifier {{PBES2-KDFs}},
kadonotakashi 0:8fdf9a60065b 152 * encryptionScheme AlgorithmIdentifier {{PBES2-Encs}}
kadonotakashi 0:8fdf9a60065b 153 * }
kadonotakashi 0:8fdf9a60065b 154 */
kadonotakashi 0:8fdf9a60065b 155 if( pbe_params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
kadonotakashi 0:8fdf9a60065b 156 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT +
kadonotakashi 0:8fdf9a60065b 157 MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
kadonotakashi 0:8fdf9a60065b 158
kadonotakashi 0:8fdf9a60065b 159 if( ( ret = mbedtls_asn1_get_alg( &p, end, &kdf_alg_oid, &kdf_alg_params ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 160 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 161
kadonotakashi 0:8fdf9a60065b 162 // Only PBKDF2 supported at the moment
kadonotakashi 0:8fdf9a60065b 163 //
kadonotakashi 0:8fdf9a60065b 164 if( MBEDTLS_OID_CMP( MBEDTLS_OID_PKCS5_PBKDF2, &kdf_alg_oid ) != 0 )
kadonotakashi 0:8fdf9a60065b 165 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 166
kadonotakashi 0:8fdf9a60065b 167 if( ( ret = pkcs5_parse_pbkdf2_params( &kdf_alg_params,
kadonotakashi 0:8fdf9a60065b 168 &salt, &iterations, &keylen,
kadonotakashi 0:8fdf9a60065b 169 &md_type ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 170 {
kadonotakashi 0:8fdf9a60065b 171 return( ret );
kadonotakashi 0:8fdf9a60065b 172 }
kadonotakashi 0:8fdf9a60065b 173
kadonotakashi 0:8fdf9a60065b 174 md_info = mbedtls_md_info_from_type( md_type );
kadonotakashi 0:8fdf9a60065b 175 if( md_info == NULL )
kadonotakashi 0:8fdf9a60065b 176 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 177
kadonotakashi 0:8fdf9a60065b 178 if( ( ret = mbedtls_asn1_get_alg( &p, end, &enc_scheme_oid,
kadonotakashi 0:8fdf9a60065b 179 &enc_scheme_params ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 180 {
kadonotakashi 0:8fdf9a60065b 181 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT + ret );
kadonotakashi 0:8fdf9a60065b 182 }
kadonotakashi 0:8fdf9a60065b 183
kadonotakashi 0:8fdf9a60065b 184 if( mbedtls_oid_get_cipher_alg( &enc_scheme_oid, &cipher_alg ) != 0 )
kadonotakashi 0:8fdf9a60065b 185 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 186
kadonotakashi 0:8fdf9a60065b 187 cipher_info = mbedtls_cipher_info_from_type( cipher_alg );
kadonotakashi 0:8fdf9a60065b 188 if( cipher_info == NULL )
kadonotakashi 0:8fdf9a60065b 189 return( MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE );
kadonotakashi 0:8fdf9a60065b 190
kadonotakashi 0:8fdf9a60065b 191 /*
kadonotakashi 0:8fdf9a60065b 192 * The value of keylen from pkcs5_parse_pbkdf2_params() is ignored
kadonotakashi 0:8fdf9a60065b 193 * since it is optional and we don't know if it was set or not
kadonotakashi 0:8fdf9a60065b 194 */
kadonotakashi 0:8fdf9a60065b 195 keylen = cipher_info->key_bitlen / 8;
kadonotakashi 0:8fdf9a60065b 196
kadonotakashi 0:8fdf9a60065b 197 if( enc_scheme_params.tag != MBEDTLS_ASN1_OCTET_STRING ||
kadonotakashi 0:8fdf9a60065b 198 enc_scheme_params.len != cipher_info->iv_size )
kadonotakashi 0:8fdf9a60065b 199 {
kadonotakashi 0:8fdf9a60065b 200 return( MBEDTLS_ERR_PKCS5_INVALID_FORMAT );
kadonotakashi 0:8fdf9a60065b 201 }
kadonotakashi 0:8fdf9a60065b 202
kadonotakashi 0:8fdf9a60065b 203 mbedtls_md_init( &md_ctx );
kadonotakashi 0:8fdf9a60065b 204 mbedtls_cipher_init( &cipher_ctx );
kadonotakashi 0:8fdf9a60065b 205
kadonotakashi 0:8fdf9a60065b 206 memcpy( iv, enc_scheme_params.p, enc_scheme_params.len );
kadonotakashi 0:8fdf9a60065b 207
kadonotakashi 0:8fdf9a60065b 208 if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 1 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 209 goto exit;
kadonotakashi 0:8fdf9a60065b 210
kadonotakashi 0:8fdf9a60065b 211 if( ( ret = mbedtls_pkcs5_pbkdf2_hmac( &md_ctx, pwd, pwdlen, salt.p, salt.len,
kadonotakashi 0:8fdf9a60065b 212 iterations, keylen, key ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 213 {
kadonotakashi 0:8fdf9a60065b 214 goto exit;
kadonotakashi 0:8fdf9a60065b 215 }
kadonotakashi 0:8fdf9a60065b 216
kadonotakashi 0:8fdf9a60065b 217 if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 218 goto exit;
kadonotakashi 0:8fdf9a60065b 219
kadonotakashi 0:8fdf9a60065b 220 if( ( ret = mbedtls_cipher_setkey( &cipher_ctx, key, 8 * keylen, (mbedtls_operation_t) mode ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 221 goto exit;
kadonotakashi 0:8fdf9a60065b 222
kadonotakashi 0:8fdf9a60065b 223 if( ( ret = mbedtls_cipher_crypt( &cipher_ctx, iv, enc_scheme_params.len,
kadonotakashi 0:8fdf9a60065b 224 data, datalen, output, &olen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 225 ret = MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH;
kadonotakashi 0:8fdf9a60065b 226
kadonotakashi 0:8fdf9a60065b 227 exit:
kadonotakashi 0:8fdf9a60065b 228 mbedtls_md_free( &md_ctx );
kadonotakashi 0:8fdf9a60065b 229 mbedtls_cipher_free( &cipher_ctx );
kadonotakashi 0:8fdf9a60065b 230
kadonotakashi 0:8fdf9a60065b 231 return( ret );
kadonotakashi 0:8fdf9a60065b 232 }
kadonotakashi 0:8fdf9a60065b 233 #endif /* MBEDTLS_ASN1_PARSE_C */
kadonotakashi 0:8fdf9a60065b 234
kadonotakashi 0:8fdf9a60065b 235 int mbedtls_pkcs5_pbkdf2_hmac( mbedtls_md_context_t *ctx, const unsigned char *password,
kadonotakashi 0:8fdf9a60065b 236 size_t plen, const unsigned char *salt, size_t slen,
kadonotakashi 0:8fdf9a60065b 237 unsigned int iteration_count,
kadonotakashi 0:8fdf9a60065b 238 uint32_t key_length, unsigned char *output )
kadonotakashi 0:8fdf9a60065b 239 {
kadonotakashi 0:8fdf9a60065b 240 int ret, j;
kadonotakashi 0:8fdf9a60065b 241 unsigned int i;
kadonotakashi 0:8fdf9a60065b 242 unsigned char md1[MBEDTLS_MD_MAX_SIZE];
kadonotakashi 0:8fdf9a60065b 243 unsigned char work[MBEDTLS_MD_MAX_SIZE];
kadonotakashi 0:8fdf9a60065b 244 unsigned char md_size = mbedtls_md_get_size( ctx->md_info );
kadonotakashi 0:8fdf9a60065b 245 size_t use_len;
kadonotakashi 0:8fdf9a60065b 246 unsigned char *out_p = output;
kadonotakashi 0:8fdf9a60065b 247 unsigned char counter[4];
kadonotakashi 0:8fdf9a60065b 248
kadonotakashi 0:8fdf9a60065b 249 memset( counter, 0, 4 );
kadonotakashi 0:8fdf9a60065b 250 counter[3] = 1;
kadonotakashi 0:8fdf9a60065b 251
kadonotakashi 0:8fdf9a60065b 252 #if UINT_MAX > 0xFFFFFFFF
kadonotakashi 0:8fdf9a60065b 253 if( iteration_count > 0xFFFFFFFF )
kadonotakashi 0:8fdf9a60065b 254 return( MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 255 #endif
kadonotakashi 0:8fdf9a60065b 256
kadonotakashi 0:8fdf9a60065b 257 while( key_length )
kadonotakashi 0:8fdf9a60065b 258 {
kadonotakashi 0:8fdf9a60065b 259 // U1 ends up in work
kadonotakashi 0:8fdf9a60065b 260 //
kadonotakashi 0:8fdf9a60065b 261 if( ( ret = mbedtls_md_hmac_starts( ctx, password, plen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 262 return( ret );
kadonotakashi 0:8fdf9a60065b 263
kadonotakashi 0:8fdf9a60065b 264 if( ( ret = mbedtls_md_hmac_update( ctx, salt, slen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 265 return( ret );
kadonotakashi 0:8fdf9a60065b 266
kadonotakashi 0:8fdf9a60065b 267 if( ( ret = mbedtls_md_hmac_update( ctx, counter, 4 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 268 return( ret );
kadonotakashi 0:8fdf9a60065b 269
kadonotakashi 0:8fdf9a60065b 270 if( ( ret = mbedtls_md_hmac_finish( ctx, work ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 271 return( ret );
kadonotakashi 0:8fdf9a60065b 272
kadonotakashi 0:8fdf9a60065b 273 memcpy( md1, work, md_size );
kadonotakashi 0:8fdf9a60065b 274
kadonotakashi 0:8fdf9a60065b 275 for( i = 1; i < iteration_count; i++ )
kadonotakashi 0:8fdf9a60065b 276 {
kadonotakashi 0:8fdf9a60065b 277 // U2 ends up in md1
kadonotakashi 0:8fdf9a60065b 278 //
kadonotakashi 0:8fdf9a60065b 279 if( ( ret = mbedtls_md_hmac_starts( ctx, password, plen ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 280 return( ret );
kadonotakashi 0:8fdf9a60065b 281
kadonotakashi 0:8fdf9a60065b 282 if( ( ret = mbedtls_md_hmac_update( ctx, md1, md_size ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 283 return( ret );
kadonotakashi 0:8fdf9a60065b 284
kadonotakashi 0:8fdf9a60065b 285 if( ( ret = mbedtls_md_hmac_finish( ctx, md1 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 286 return( ret );
kadonotakashi 0:8fdf9a60065b 287
kadonotakashi 0:8fdf9a60065b 288 // U1 xor U2
kadonotakashi 0:8fdf9a60065b 289 //
kadonotakashi 0:8fdf9a60065b 290 for( j = 0; j < md_size; j++ )
kadonotakashi 0:8fdf9a60065b 291 work[j] ^= md1[j];
kadonotakashi 0:8fdf9a60065b 292 }
kadonotakashi 0:8fdf9a60065b 293
kadonotakashi 0:8fdf9a60065b 294 use_len = ( key_length < md_size ) ? key_length : md_size;
kadonotakashi 0:8fdf9a60065b 295 memcpy( out_p, work, use_len );
kadonotakashi 0:8fdf9a60065b 296
kadonotakashi 0:8fdf9a60065b 297 key_length -= (uint32_t) use_len;
kadonotakashi 0:8fdf9a60065b 298 out_p += use_len;
kadonotakashi 0:8fdf9a60065b 299
kadonotakashi 0:8fdf9a60065b 300 for( i = 4; i > 0; i-- )
kadonotakashi 0:8fdf9a60065b 301 if( ++counter[i - 1] != 0 )
kadonotakashi 0:8fdf9a60065b 302 break;
kadonotakashi 0:8fdf9a60065b 303 }
kadonotakashi 0:8fdf9a60065b 304
kadonotakashi 0:8fdf9a60065b 305 return( 0 );
kadonotakashi 0:8fdf9a60065b 306 }
kadonotakashi 0:8fdf9a60065b 307
kadonotakashi 0:8fdf9a60065b 308 #if defined(MBEDTLS_SELF_TEST)
kadonotakashi 0:8fdf9a60065b 309
kadonotakashi 0:8fdf9a60065b 310 #if !defined(MBEDTLS_SHA1_C)
kadonotakashi 0:8fdf9a60065b 311 int mbedtls_pkcs5_self_test( int verbose )
kadonotakashi 0:8fdf9a60065b 312 {
kadonotakashi 0:8fdf9a60065b 313 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 314 mbedtls_printf( " PBKDF2 (SHA1): skipped\n\n" );
kadonotakashi 0:8fdf9a60065b 315
kadonotakashi 0:8fdf9a60065b 316 return( 0 );
kadonotakashi 0:8fdf9a60065b 317 }
kadonotakashi 0:8fdf9a60065b 318 #else
kadonotakashi 0:8fdf9a60065b 319
kadonotakashi 0:8fdf9a60065b 320 #define MAX_TESTS 6
kadonotakashi 0:8fdf9a60065b 321
kadonotakashi 0:8fdf9a60065b 322 static const size_t plen[MAX_TESTS] =
kadonotakashi 0:8fdf9a60065b 323 { 8, 8, 8, 24, 9 };
kadonotakashi 0:8fdf9a60065b 324
kadonotakashi 0:8fdf9a60065b 325 static const unsigned char password[MAX_TESTS][32] =
kadonotakashi 0:8fdf9a60065b 326 {
kadonotakashi 0:8fdf9a60065b 327 "password",
kadonotakashi 0:8fdf9a60065b 328 "password",
kadonotakashi 0:8fdf9a60065b 329 "password",
kadonotakashi 0:8fdf9a60065b 330 "passwordPASSWORDpassword",
kadonotakashi 0:8fdf9a60065b 331 "pass\0word",
kadonotakashi 0:8fdf9a60065b 332 };
kadonotakashi 0:8fdf9a60065b 333
kadonotakashi 0:8fdf9a60065b 334 static const size_t slen[MAX_TESTS] =
kadonotakashi 0:8fdf9a60065b 335 { 4, 4, 4, 36, 5 };
kadonotakashi 0:8fdf9a60065b 336
kadonotakashi 0:8fdf9a60065b 337 static const unsigned char salt[MAX_TESTS][40] =
kadonotakashi 0:8fdf9a60065b 338 {
kadonotakashi 0:8fdf9a60065b 339 "salt",
kadonotakashi 0:8fdf9a60065b 340 "salt",
kadonotakashi 0:8fdf9a60065b 341 "salt",
kadonotakashi 0:8fdf9a60065b 342 "saltSALTsaltSALTsaltSALTsaltSALTsalt",
kadonotakashi 0:8fdf9a60065b 343 "sa\0lt",
kadonotakashi 0:8fdf9a60065b 344 };
kadonotakashi 0:8fdf9a60065b 345
kadonotakashi 0:8fdf9a60065b 346 static const uint32_t it_cnt[MAX_TESTS] =
kadonotakashi 0:8fdf9a60065b 347 { 1, 2, 4096, 4096, 4096 };
kadonotakashi 0:8fdf9a60065b 348
kadonotakashi 0:8fdf9a60065b 349 static const uint32_t key_len[MAX_TESTS] =
kadonotakashi 0:8fdf9a60065b 350 { 20, 20, 20, 25, 16 };
kadonotakashi 0:8fdf9a60065b 351
kadonotakashi 0:8fdf9a60065b 352 static const unsigned char result_key[MAX_TESTS][32] =
kadonotakashi 0:8fdf9a60065b 353 {
kadonotakashi 0:8fdf9a60065b 354 { 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
kadonotakashi 0:8fdf9a60065b 355 0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
kadonotakashi 0:8fdf9a60065b 356 0x2f, 0xe0, 0x37, 0xa6 },
kadonotakashi 0:8fdf9a60065b 357 { 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
kadonotakashi 0:8fdf9a60065b 358 0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
kadonotakashi 0:8fdf9a60065b 359 0xd8, 0xde, 0x89, 0x57 },
kadonotakashi 0:8fdf9a60065b 360 { 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
kadonotakashi 0:8fdf9a60065b 361 0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
kadonotakashi 0:8fdf9a60065b 362 0x65, 0xa4, 0x29, 0xc1 },
kadonotakashi 0:8fdf9a60065b 363 { 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
kadonotakashi 0:8fdf9a60065b 364 0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
kadonotakashi 0:8fdf9a60065b 365 0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
kadonotakashi 0:8fdf9a60065b 366 0x38 },
kadonotakashi 0:8fdf9a60065b 367 { 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
kadonotakashi 0:8fdf9a60065b 368 0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
kadonotakashi 0:8fdf9a60065b 369 };
kadonotakashi 0:8fdf9a60065b 370
kadonotakashi 0:8fdf9a60065b 371 int mbedtls_pkcs5_self_test( int verbose )
kadonotakashi 0:8fdf9a60065b 372 {
kadonotakashi 0:8fdf9a60065b 373 mbedtls_md_context_t sha1_ctx;
kadonotakashi 0:8fdf9a60065b 374 const mbedtls_md_info_t *info_sha1;
kadonotakashi 0:8fdf9a60065b 375 int ret, i;
kadonotakashi 0:8fdf9a60065b 376 unsigned char key[64];
kadonotakashi 0:8fdf9a60065b 377
kadonotakashi 0:8fdf9a60065b 378 mbedtls_md_init( &sha1_ctx );
kadonotakashi 0:8fdf9a60065b 379
kadonotakashi 0:8fdf9a60065b 380 info_sha1 = mbedtls_md_info_from_type( MBEDTLS_MD_SHA1 );
kadonotakashi 0:8fdf9a60065b 381 if( info_sha1 == NULL )
kadonotakashi 0:8fdf9a60065b 382 {
kadonotakashi 0:8fdf9a60065b 383 ret = 1;
kadonotakashi 0:8fdf9a60065b 384 goto exit;
kadonotakashi 0:8fdf9a60065b 385 }
kadonotakashi 0:8fdf9a60065b 386
kadonotakashi 0:8fdf9a60065b 387 if( ( ret = mbedtls_md_setup( &sha1_ctx, info_sha1, 1 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 388 {
kadonotakashi 0:8fdf9a60065b 389 ret = 1;
kadonotakashi 0:8fdf9a60065b 390 goto exit;
kadonotakashi 0:8fdf9a60065b 391 }
kadonotakashi 0:8fdf9a60065b 392
kadonotakashi 0:8fdf9a60065b 393 for( i = 0; i < MAX_TESTS; i++ )
kadonotakashi 0:8fdf9a60065b 394 {
kadonotakashi 0:8fdf9a60065b 395 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 396 mbedtls_printf( " PBKDF2 (SHA1) #%d: ", i );
kadonotakashi 0:8fdf9a60065b 397
kadonotakashi 0:8fdf9a60065b 398 ret = mbedtls_pkcs5_pbkdf2_hmac( &sha1_ctx, password[i], plen[i], salt[i],
kadonotakashi 0:8fdf9a60065b 399 slen[i], it_cnt[i], key_len[i], key );
kadonotakashi 0:8fdf9a60065b 400 if( ret != 0 ||
kadonotakashi 0:8fdf9a60065b 401 memcmp( result_key[i], key, key_len[i] ) != 0 )
kadonotakashi 0:8fdf9a60065b 402 {
kadonotakashi 0:8fdf9a60065b 403 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 404 mbedtls_printf( "failed\n" );
kadonotakashi 0:8fdf9a60065b 405
kadonotakashi 0:8fdf9a60065b 406 ret = 1;
kadonotakashi 0:8fdf9a60065b 407 goto exit;
kadonotakashi 0:8fdf9a60065b 408 }
kadonotakashi 0:8fdf9a60065b 409
kadonotakashi 0:8fdf9a60065b 410 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 411 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 412 }
kadonotakashi 0:8fdf9a60065b 413
kadonotakashi 0:8fdf9a60065b 414 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 415 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 416
kadonotakashi 0:8fdf9a60065b 417 exit:
kadonotakashi 0:8fdf9a60065b 418 mbedtls_md_free( &sha1_ctx );
kadonotakashi 0:8fdf9a60065b 419
kadonotakashi 0:8fdf9a60065b 420 return( ret );
kadonotakashi 0:8fdf9a60065b 421 }
kadonotakashi 0:8fdf9a60065b 422 #endif /* MBEDTLS_SHA1_C */
kadonotakashi 0:8fdf9a60065b 423
kadonotakashi 0:8fdf9a60065b 424 #endif /* MBEDTLS_SELF_TEST */
kadonotakashi 0:8fdf9a60065b 425
kadonotakashi 0:8fdf9a60065b 426 #endif /* MBEDTLS_PKCS5_C */