Hannes Tschofenig / Mbed 2 deprecated aes-gcm-test-program

Example program to test AES-GCM functionality. Used for a workshop

Dependencies:   mbed

SSL/library/pkcs5.c@0:796d0f61a05b, 2018-09-27 (annotated)

Committer:
HannesTschofenig
Date:
Thu Sep 27 06:34:22 2018 +0000
Revision:
0:796d0f61a05b
Example AES-GCM test program

Who changed what in which revision?

UserRevisionLine numberNew contents of line
HannesTschofenig 0:796d0f61a05b 1 /**
HannesTschofenig 0:796d0f61a05b 2 * \file pkcs5.c
HannesTschofenig 0:796d0f61a05b 3 *
HannesTschofenig 0:796d0f61a05b 4 * \brief PKCS#5 functions
HannesTschofenig 0:796d0f61a05b 5 *
HannesTschofenig 0:796d0f61a05b 6 * \author Mathias Olsson <mathias@kompetensum.com>
HannesTschofenig 0:796d0f61a05b 7 *
HannesTschofenig 0:796d0f61a05b 8 * Copyright (C) 2006-2014, Brainspark B.V.
HannesTschofenig 0:796d0f61a05b 9 *
HannesTschofenig 0:796d0f61a05b 10 * This file is part of PolarSSL (http://www.polarssl.org)
HannesTschofenig 0:796d0f61a05b 11 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
HannesTschofenig 0:796d0f61a05b 12 *
HannesTschofenig 0:796d0f61a05b 13 * All rights reserved.
HannesTschofenig 0:796d0f61a05b 14 *
HannesTschofenig 0:796d0f61a05b 15 * This program is free software; you can redistribute it and/or modify
HannesTschofenig 0:796d0f61a05b 16 * it under the terms of the GNU General Public License as published by
HannesTschofenig 0:796d0f61a05b 17 * the Free Software Foundation; either version 2 of the License, or
HannesTschofenig 0:796d0f61a05b 18 * (at your option) any later version.
HannesTschofenig 0:796d0f61a05b 19 *
HannesTschofenig 0:796d0f61a05b 20 * This program is distributed in the hope that it will be useful,
HannesTschofenig 0:796d0f61a05b 21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
HannesTschofenig 0:796d0f61a05b 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
HannesTschofenig 0:796d0f61a05b 23 * GNU General Public License for more details.
HannesTschofenig 0:796d0f61a05b 24 *
HannesTschofenig 0:796d0f61a05b 25 * You should have received a copy of the GNU General Public License along
HannesTschofenig 0:796d0f61a05b 26 * with this program; if not, write to the Free Software Foundation, Inc.,
HannesTschofenig 0:796d0f61a05b 27 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
HannesTschofenig 0:796d0f61a05b 28 */
HannesTschofenig 0:796d0f61a05b 29 /*
HannesTschofenig 0:796d0f61a05b 30 * PKCS#5 includes PBKDF2 and more
HannesTschofenig 0:796d0f61a05b 31 *
HannesTschofenig 0:796d0f61a05b 32 * http://tools.ietf.org/html/rfc2898 (Specification)
HannesTschofenig 0:796d0f61a05b 33 * http://tools.ietf.org/html/rfc6070 (Test vectors)
HannesTschofenig 0:796d0f61a05b 34 */
HannesTschofenig 0:796d0f61a05b 35
HannesTschofenig 0:796d0f61a05b 36 #if !defined(POLARSSL_CONFIG_FILE)
HannesTschofenig 0:796d0f61a05b 37 #include "polarssl/config.h"
HannesTschofenig 0:796d0f61a05b 38 #else
HannesTschofenig 0:796d0f61a05b 39 #include POLARSSL_CONFIG_FILE
HannesTschofenig 0:796d0f61a05b 40 #endif
HannesTschofenig 0:796d0f61a05b 41
HannesTschofenig 0:796d0f61a05b 42 #if defined(POLARSSL_PKCS5_C)
HannesTschofenig 0:796d0f61a05b 43
HannesTschofenig 0:796d0f61a05b 44 #include "polarssl/pkcs5.h"
HannesTschofenig 0:796d0f61a05b 45 #include "polarssl/asn1.h"
HannesTschofenig 0:796d0f61a05b 46 #include "polarssl/cipher.h"
HannesTschofenig 0:796d0f61a05b 47 #include "polarssl/oid.h"
HannesTschofenig 0:796d0f61a05b 48
HannesTschofenig 0:796d0f61a05b 49 #if defined(POLARSSL_PLATFORM_C)
HannesTschofenig 0:796d0f61a05b 50 #include "polarssl/platform.h"
HannesTschofenig 0:796d0f61a05b 51 #else
HannesTschofenig 0:796d0f61a05b 52 #define polarssl_printf printf
HannesTschofenig 0:796d0f61a05b 53 #endif
HannesTschofenig 0:796d0f61a05b 54
HannesTschofenig 0:796d0f61a05b 55 static int pkcs5_parse_pbkdf2_params( asn1_buf *params,
HannesTschofenig 0:796d0f61a05b 56 asn1_buf *salt, int *iterations,
HannesTschofenig 0:796d0f61a05b 57 int *keylen, md_type_t *md_type )
HannesTschofenig 0:796d0f61a05b 58 {
HannesTschofenig 0:796d0f61a05b 59 int ret;
HannesTschofenig 0:796d0f61a05b 60 asn1_buf prf_alg_oid;
HannesTschofenig 0:796d0f61a05b 61 unsigned char **p = &params->p;
HannesTschofenig 0:796d0f61a05b 62 const unsigned char *end = params->p + params->len;
HannesTschofenig 0:796d0f61a05b 63
HannesTschofenig 0:796d0f61a05b 64 if( params->tag != ( ASN1_CONSTRUCTED | ASN1_SEQUENCE ) )
HannesTschofenig 0:796d0f61a05b 65 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT +
HannesTschofenig 0:796d0f61a05b 66 POLARSSL_ERR_ASN1_UNEXPECTED_TAG );
HannesTschofenig 0:796d0f61a05b 67 /*
HannesTschofenig 0:796d0f61a05b 68 * PBKDF2-params ::= SEQUENCE {
HannesTschofenig 0:796d0f61a05b 69 * salt OCTET STRING,
HannesTschofenig 0:796d0f61a05b 70 * iterationCount INTEGER,
HannesTschofenig 0:796d0f61a05b 71 * keyLength INTEGER OPTIONAL
HannesTschofenig 0:796d0f61a05b 72 * prf AlgorithmIdentifier DEFAULT algid-hmacWithSHA1
HannesTschofenig 0:796d0f61a05b 73 * }
HannesTschofenig 0:796d0f61a05b 74 *
HannesTschofenig 0:796d0f61a05b 75 */
HannesTschofenig 0:796d0f61a05b 76 if( ( ret = asn1_get_tag( p, end, &salt->len, ASN1_OCTET_STRING ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 77 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 78
HannesTschofenig 0:796d0f61a05b 79 salt->p = *p;
HannesTschofenig 0:796d0f61a05b 80 *p += salt->len;
HannesTschofenig 0:796d0f61a05b 81
HannesTschofenig 0:796d0f61a05b 82 if( ( ret = asn1_get_int( p, end, iterations ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 83 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 84
HannesTschofenig 0:796d0f61a05b 85 if( *p == end )
HannesTschofenig 0:796d0f61a05b 86 return( 0 );
HannesTschofenig 0:796d0f61a05b 87
HannesTschofenig 0:796d0f61a05b 88 if( ( ret = asn1_get_int( p, end, keylen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 89 {
HannesTschofenig 0:796d0f61a05b 90 if( ret != POLARSSL_ERR_ASN1_UNEXPECTED_TAG )
HannesTschofenig 0:796d0f61a05b 91 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 92 }
HannesTschofenig 0:796d0f61a05b 93
HannesTschofenig 0:796d0f61a05b 94 if( *p == end )
HannesTschofenig 0:796d0f61a05b 95 return( 0 );
HannesTschofenig 0:796d0f61a05b 96
HannesTschofenig 0:796d0f61a05b 97 if( ( ret = asn1_get_alg_null( p, end, &prf_alg_oid ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 98 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 99
HannesTschofenig 0:796d0f61a05b 100 if( !OID_CMP( OID_HMAC_SHA1, &prf_alg_oid ) )
HannesTschofenig 0:796d0f61a05b 101 return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
HannesTschofenig 0:796d0f61a05b 102
HannesTschofenig 0:796d0f61a05b 103 *md_type = POLARSSL_MD_SHA1;
HannesTschofenig 0:796d0f61a05b 104
HannesTschofenig 0:796d0f61a05b 105 if( *p != end )
HannesTschofenig 0:796d0f61a05b 106 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT +
HannesTschofenig 0:796d0f61a05b 107 POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
HannesTschofenig 0:796d0f61a05b 108
HannesTschofenig 0:796d0f61a05b 109 return( 0 );
HannesTschofenig 0:796d0f61a05b 110 }
HannesTschofenig 0:796d0f61a05b 111
HannesTschofenig 0:796d0f61a05b 112 int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
HannesTschofenig 0:796d0f61a05b 113 const unsigned char *pwd, size_t pwdlen,
HannesTschofenig 0:796d0f61a05b 114 const unsigned char *data, size_t datalen,
HannesTschofenig 0:796d0f61a05b 115 unsigned char *output )
HannesTschofenig 0:796d0f61a05b 116 {
HannesTschofenig 0:796d0f61a05b 117 int ret, iterations = 0, keylen = 0;
HannesTschofenig 0:796d0f61a05b 118 unsigned char *p, *end;
HannesTschofenig 0:796d0f61a05b 119 asn1_buf kdf_alg_oid, enc_scheme_oid, kdf_alg_params, enc_scheme_params;
HannesTschofenig 0:796d0f61a05b 120 asn1_buf salt;
HannesTschofenig 0:796d0f61a05b 121 md_type_t md_type = POLARSSL_MD_SHA1;
HannesTschofenig 0:796d0f61a05b 122 unsigned char key[32], iv[32];
HannesTschofenig 0:796d0f61a05b 123 size_t olen = 0;
HannesTschofenig 0:796d0f61a05b 124 const md_info_t *md_info;
HannesTschofenig 0:796d0f61a05b 125 const cipher_info_t *cipher_info;
HannesTschofenig 0:796d0f61a05b 126 md_context_t md_ctx;
HannesTschofenig 0:796d0f61a05b 127 cipher_type_t cipher_alg;
HannesTschofenig 0:796d0f61a05b 128 cipher_context_t cipher_ctx;
HannesTschofenig 0:796d0f61a05b 129
HannesTschofenig 0:796d0f61a05b 130 p = pbe_params->p;
HannesTschofenig 0:796d0f61a05b 131 end = p + pbe_params->len;
HannesTschofenig 0:796d0f61a05b 132
HannesTschofenig 0:796d0f61a05b 133 memset( &md_ctx, 0, sizeof(md_context_t) );
HannesTschofenig 0:796d0f61a05b 134 memset( &cipher_ctx, 0, sizeof(cipher_context_t) );
HannesTschofenig 0:796d0f61a05b 135
HannesTschofenig 0:796d0f61a05b 136 /*
HannesTschofenig 0:796d0f61a05b 137 * PBES2-params ::= SEQUENCE {
HannesTschofenig 0:796d0f61a05b 138 * keyDerivationFunc AlgorithmIdentifier {{PBES2-KDFs}},
HannesTschofenig 0:796d0f61a05b 139 * encryptionScheme AlgorithmIdentifier {{PBES2-Encs}}
HannesTschofenig 0:796d0f61a05b 140 * }
HannesTschofenig 0:796d0f61a05b 141 */
HannesTschofenig 0:796d0f61a05b 142 if( pbe_params->tag != ( ASN1_CONSTRUCTED | ASN1_SEQUENCE ) )
HannesTschofenig 0:796d0f61a05b 143 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT +
HannesTschofenig 0:796d0f61a05b 144 POLARSSL_ERR_ASN1_UNEXPECTED_TAG );
HannesTschofenig 0:796d0f61a05b 145
HannesTschofenig 0:796d0f61a05b 146 if( ( ret = asn1_get_alg( &p, end, &kdf_alg_oid, &kdf_alg_params ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 147 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 148
HannesTschofenig 0:796d0f61a05b 149 // Only PBKDF2 supported at the moment
HannesTschofenig 0:796d0f61a05b 150 //
HannesTschofenig 0:796d0f61a05b 151 if( !OID_CMP( OID_PKCS5_PBKDF2, &kdf_alg_oid ) )
HannesTschofenig 0:796d0f61a05b 152 return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
HannesTschofenig 0:796d0f61a05b 153
HannesTschofenig 0:796d0f61a05b 154 if( ( ret = pkcs5_parse_pbkdf2_params( &kdf_alg_params,
HannesTschofenig 0:796d0f61a05b 155 &salt, &iterations, &keylen,
HannesTschofenig 0:796d0f61a05b 156 &md_type ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 157 {
HannesTschofenig 0:796d0f61a05b 158 return( ret );
HannesTschofenig 0:796d0f61a05b 159 }
HannesTschofenig 0:796d0f61a05b 160
HannesTschofenig 0:796d0f61a05b 161 md_info = md_info_from_type( md_type );
HannesTschofenig 0:796d0f61a05b 162 if( md_info == NULL )
HannesTschofenig 0:796d0f61a05b 163 return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
HannesTschofenig 0:796d0f61a05b 164
HannesTschofenig 0:796d0f61a05b 165 if( ( ret = asn1_get_alg( &p, end, &enc_scheme_oid,
HannesTschofenig 0:796d0f61a05b 166 &enc_scheme_params ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 167 {
HannesTschofenig 0:796d0f61a05b 168 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
HannesTschofenig 0:796d0f61a05b 169 }
HannesTschofenig 0:796d0f61a05b 170
HannesTschofenig 0:796d0f61a05b 171 if ( oid_get_cipher_alg( &enc_scheme_oid, &cipher_alg ) != 0 )
HannesTschofenig 0:796d0f61a05b 172 return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
HannesTschofenig 0:796d0f61a05b 173
HannesTschofenig 0:796d0f61a05b 174 cipher_info = cipher_info_from_type( cipher_alg );
HannesTschofenig 0:796d0f61a05b 175 if( cipher_info == NULL )
HannesTschofenig 0:796d0f61a05b 176 return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
HannesTschofenig 0:796d0f61a05b 177
HannesTschofenig 0:796d0f61a05b 178 keylen = cipher_info->key_length / 8;
HannesTschofenig 0:796d0f61a05b 179
HannesTschofenig 0:796d0f61a05b 180 if( enc_scheme_params.tag != ASN1_OCTET_STRING ||
HannesTschofenig 0:796d0f61a05b 181 enc_scheme_params.len != cipher_info->iv_size )
HannesTschofenig 0:796d0f61a05b 182 {
HannesTschofenig 0:796d0f61a05b 183 return( POLARSSL_ERR_PKCS5_INVALID_FORMAT );
HannesTschofenig 0:796d0f61a05b 184 }
HannesTschofenig 0:796d0f61a05b 185
HannesTschofenig 0:796d0f61a05b 186 memcpy( iv, enc_scheme_params.p, enc_scheme_params.len );
HannesTschofenig 0:796d0f61a05b 187
HannesTschofenig 0:796d0f61a05b 188 if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 189 goto exit;
HannesTschofenig 0:796d0f61a05b 190
HannesTschofenig 0:796d0f61a05b 191 if ( ( ret = pkcs5_pbkdf2_hmac( &md_ctx, pwd, pwdlen, salt.p, salt.len,
HannesTschofenig 0:796d0f61a05b 192 iterations, keylen, key ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 193 {
HannesTschofenig 0:796d0f61a05b 194 goto exit;
HannesTschofenig 0:796d0f61a05b 195 }
HannesTschofenig 0:796d0f61a05b 196
HannesTschofenig 0:796d0f61a05b 197 if( ( ret = cipher_init_ctx( &cipher_ctx, cipher_info ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 198 goto exit;
HannesTschofenig 0:796d0f61a05b 199
HannesTschofenig 0:796d0f61a05b 200 if( ( ret = cipher_setkey( &cipher_ctx, key, 8 * keylen, mode ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 201 goto exit;
HannesTschofenig 0:796d0f61a05b 202
HannesTschofenig 0:796d0f61a05b 203 if( ( ret = cipher_set_iv( &cipher_ctx, iv, enc_scheme_params.len ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 204 goto exit;
HannesTschofenig 0:796d0f61a05b 205
HannesTschofenig 0:796d0f61a05b 206 if( ( ret = cipher_reset( &cipher_ctx ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 207 goto exit;
HannesTschofenig 0:796d0f61a05b 208
HannesTschofenig 0:796d0f61a05b 209 if( ( ret = cipher_update( &cipher_ctx, data, datalen,
HannesTschofenig 0:796d0f61a05b 210 output, &olen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 211 {
HannesTschofenig 0:796d0f61a05b 212 goto exit;
HannesTschofenig 0:796d0f61a05b 213 }
HannesTschofenig 0:796d0f61a05b 214
HannesTschofenig 0:796d0f61a05b 215 if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 216 ret = POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH;
HannesTschofenig 0:796d0f61a05b 217
HannesTschofenig 0:796d0f61a05b 218 exit:
HannesTschofenig 0:796d0f61a05b 219 md_free_ctx( &md_ctx );
HannesTschofenig 0:796d0f61a05b 220 cipher_free_ctx( &cipher_ctx );
HannesTschofenig 0:796d0f61a05b 221
HannesTschofenig 0:796d0f61a05b 222 return( ret );
HannesTschofenig 0:796d0f61a05b 223 }
HannesTschofenig 0:796d0f61a05b 224
HannesTschofenig 0:796d0f61a05b 225 int pkcs5_pbkdf2_hmac( md_context_t *ctx, const unsigned char *password,
HannesTschofenig 0:796d0f61a05b 226 size_t plen, const unsigned char *salt, size_t slen,
HannesTschofenig 0:796d0f61a05b 227 unsigned int iteration_count,
HannesTschofenig 0:796d0f61a05b 228 uint32_t key_length, unsigned char *output )
HannesTschofenig 0:796d0f61a05b 229 {
HannesTschofenig 0:796d0f61a05b 230 int ret, j;
HannesTschofenig 0:796d0f61a05b 231 unsigned int i;
HannesTschofenig 0:796d0f61a05b 232 unsigned char md1[POLARSSL_MD_MAX_SIZE];
HannesTschofenig 0:796d0f61a05b 233 unsigned char work[POLARSSL_MD_MAX_SIZE];
HannesTschofenig 0:796d0f61a05b 234 unsigned char md_size = md_get_size( ctx->md_info );
HannesTschofenig 0:796d0f61a05b 235 size_t use_len;
HannesTschofenig 0:796d0f61a05b 236 unsigned char *out_p = output;
HannesTschofenig 0:796d0f61a05b 237 unsigned char counter[4];
HannesTschofenig 0:796d0f61a05b 238
HannesTschofenig 0:796d0f61a05b 239 memset( counter, 0, 4 );
HannesTschofenig 0:796d0f61a05b 240 counter[3] = 1;
HannesTschofenig 0:796d0f61a05b 241
HannesTschofenig 0:796d0f61a05b 242 if( iteration_count > 0xFFFFFFFF )
HannesTschofenig 0:796d0f61a05b 243 return( POLARSSL_ERR_PKCS5_BAD_INPUT_DATA );
HannesTschofenig 0:796d0f61a05b 244
HannesTschofenig 0:796d0f61a05b 245 while( key_length )
HannesTschofenig 0:796d0f61a05b 246 {
HannesTschofenig 0:796d0f61a05b 247 // U1 ends up in work
HannesTschofenig 0:796d0f61a05b 248 //
HannesTschofenig 0:796d0f61a05b 249 if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 250 return( ret );
HannesTschofenig 0:796d0f61a05b 251
HannesTschofenig 0:796d0f61a05b 252 if( ( ret = md_hmac_update( ctx, salt, slen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 253 return( ret );
HannesTschofenig 0:796d0f61a05b 254
HannesTschofenig 0:796d0f61a05b 255 if( ( ret = md_hmac_update( ctx, counter, 4 ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 256 return( ret );
HannesTschofenig 0:796d0f61a05b 257
HannesTschofenig 0:796d0f61a05b 258 if( ( ret = md_hmac_finish( ctx, work ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 259 return( ret );
HannesTschofenig 0:796d0f61a05b 260
HannesTschofenig 0:796d0f61a05b 261 memcpy( md1, work, md_size );
HannesTschofenig 0:796d0f61a05b 262
HannesTschofenig 0:796d0f61a05b 263 for ( i = 1; i < iteration_count; i++ )
HannesTschofenig 0:796d0f61a05b 264 {
HannesTschofenig 0:796d0f61a05b 265 // U2 ends up in md1
HannesTschofenig 0:796d0f61a05b 266 //
HannesTschofenig 0:796d0f61a05b 267 if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 268 return( ret );
HannesTschofenig 0:796d0f61a05b 269
HannesTschofenig 0:796d0f61a05b 270 if( ( ret = md_hmac_update( ctx, md1, md_size ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 271 return( ret );
HannesTschofenig 0:796d0f61a05b 272
HannesTschofenig 0:796d0f61a05b 273 if( ( ret = md_hmac_finish( ctx, md1 ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 274 return( ret );
HannesTschofenig 0:796d0f61a05b 275
HannesTschofenig 0:796d0f61a05b 276 // U1 xor U2
HannesTschofenig 0:796d0f61a05b 277 //
HannesTschofenig 0:796d0f61a05b 278 for( j = 0; j < md_size; j++ )
HannesTschofenig 0:796d0f61a05b 279 work[j] ^= md1[j];
HannesTschofenig 0:796d0f61a05b 280 }
HannesTschofenig 0:796d0f61a05b 281
HannesTschofenig 0:796d0f61a05b 282 use_len = ( key_length < md_size ) ? key_length : md_size;
HannesTschofenig 0:796d0f61a05b 283 memcpy( out_p, work, use_len );
HannesTschofenig 0:796d0f61a05b 284
HannesTschofenig 0:796d0f61a05b 285 key_length -= (uint32_t) use_len;
HannesTschofenig 0:796d0f61a05b 286 out_p += use_len;
HannesTschofenig 0:796d0f61a05b 287
HannesTschofenig 0:796d0f61a05b 288 for( i = 4; i > 0; i-- )
HannesTschofenig 0:796d0f61a05b 289 if( ++counter[i - 1] != 0 )
HannesTschofenig 0:796d0f61a05b 290 break;
HannesTschofenig 0:796d0f61a05b 291 }
HannesTschofenig 0:796d0f61a05b 292
HannesTschofenig 0:796d0f61a05b 293 return( 0 );
HannesTschofenig 0:796d0f61a05b 294 }
HannesTschofenig 0:796d0f61a05b 295
HannesTschofenig 0:796d0f61a05b 296 #if defined(POLARSSL_SELF_TEST)
HannesTschofenig 0:796d0f61a05b 297
HannesTschofenig 0:796d0f61a05b 298 #include <stdio.h>
HannesTschofenig 0:796d0f61a05b 299
HannesTschofenig 0:796d0f61a05b 300 #define MAX_TESTS 6
HannesTschofenig 0:796d0f61a05b 301
HannesTschofenig 0:796d0f61a05b 302 size_t plen[MAX_TESTS] =
HannesTschofenig 0:796d0f61a05b 303 { 8, 8, 8, 8, 24, 9 };
HannesTschofenig 0:796d0f61a05b 304
HannesTschofenig 0:796d0f61a05b 305 unsigned char password[MAX_TESTS][32] =
HannesTschofenig 0:796d0f61a05b 306 {
HannesTschofenig 0:796d0f61a05b 307 "password",
HannesTschofenig 0:796d0f61a05b 308 "password",
HannesTschofenig 0:796d0f61a05b 309 "password",
HannesTschofenig 0:796d0f61a05b 310 "password",
HannesTschofenig 0:796d0f61a05b 311 "passwordPASSWORDpassword",
HannesTschofenig 0:796d0f61a05b 312 "pass\0word",
HannesTschofenig 0:796d0f61a05b 313 };
HannesTschofenig 0:796d0f61a05b 314
HannesTschofenig 0:796d0f61a05b 315 size_t slen[MAX_TESTS] =
HannesTschofenig 0:796d0f61a05b 316 { 4, 4, 4, 4, 36, 5 };
HannesTschofenig 0:796d0f61a05b 317
HannesTschofenig 0:796d0f61a05b 318 unsigned char salt[MAX_TESTS][40] =
HannesTschofenig 0:796d0f61a05b 319 {
HannesTschofenig 0:796d0f61a05b 320 "salt",
HannesTschofenig 0:796d0f61a05b 321 "salt",
HannesTschofenig 0:796d0f61a05b 322 "salt",
HannesTschofenig 0:796d0f61a05b 323 "salt",
HannesTschofenig 0:796d0f61a05b 324 "saltSALTsaltSALTsaltSALTsaltSALTsalt",
HannesTschofenig 0:796d0f61a05b 325 "sa\0lt",
HannesTschofenig 0:796d0f61a05b 326 };
HannesTschofenig 0:796d0f61a05b 327
HannesTschofenig 0:796d0f61a05b 328 uint32_t it_cnt[MAX_TESTS] =
HannesTschofenig 0:796d0f61a05b 329 { 1, 2, 4096, 16777216, 4096, 4096 };
HannesTschofenig 0:796d0f61a05b 330
HannesTschofenig 0:796d0f61a05b 331 uint32_t key_len[MAX_TESTS] =
HannesTschofenig 0:796d0f61a05b 332 { 20, 20, 20, 20, 25, 16 };
HannesTschofenig 0:796d0f61a05b 333
HannesTschofenig 0:796d0f61a05b 334
HannesTschofenig 0:796d0f61a05b 335 unsigned char result_key[MAX_TESTS][32] =
HannesTschofenig 0:796d0f61a05b 336 {
HannesTschofenig 0:796d0f61a05b 337 { 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
HannesTschofenig 0:796d0f61a05b 338 0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
HannesTschofenig 0:796d0f61a05b 339 0x2f, 0xe0, 0x37, 0xa6 },
HannesTschofenig 0:796d0f61a05b 340 { 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
HannesTschofenig 0:796d0f61a05b 341 0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
HannesTschofenig 0:796d0f61a05b 342 0xd8, 0xde, 0x89, 0x57 },
HannesTschofenig 0:796d0f61a05b 343 { 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
HannesTschofenig 0:796d0f61a05b 344 0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
HannesTschofenig 0:796d0f61a05b 345 0x65, 0xa4, 0x29, 0xc1 },
HannesTschofenig 0:796d0f61a05b 346 { 0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4,
HannesTschofenig 0:796d0f61a05b 347 0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c,
HannesTschofenig 0:796d0f61a05b 348 0x26, 0x34, 0xe9, 0x84 },
HannesTschofenig 0:796d0f61a05b 349 { 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
HannesTschofenig 0:796d0f61a05b 350 0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
HannesTschofenig 0:796d0f61a05b 351 0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
HannesTschofenig 0:796d0f61a05b 352 0x38 },
HannesTschofenig 0:796d0f61a05b 353 { 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
HannesTschofenig 0:796d0f61a05b 354 0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
HannesTschofenig 0:796d0f61a05b 355 };
HannesTschofenig 0:796d0f61a05b 356
HannesTschofenig 0:796d0f61a05b 357 int pkcs5_self_test( int verbose )
HannesTschofenig 0:796d0f61a05b 358 {
HannesTschofenig 0:796d0f61a05b 359 md_context_t sha1_ctx;
HannesTschofenig 0:796d0f61a05b 360 const md_info_t *info_sha1;
HannesTschofenig 0:796d0f61a05b 361 int ret, i;
HannesTschofenig 0:796d0f61a05b 362 unsigned char key[64];
HannesTschofenig 0:796d0f61a05b 363
HannesTschofenig 0:796d0f61a05b 364 info_sha1 = md_info_from_type( POLARSSL_MD_SHA1 );
HannesTschofenig 0:796d0f61a05b 365 if( info_sha1 == NULL )
HannesTschofenig 0:796d0f61a05b 366 return( 1 );
HannesTschofenig 0:796d0f61a05b 367
HannesTschofenig 0:796d0f61a05b 368 if( ( ret = md_init_ctx( &sha1_ctx, info_sha1 ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 369 return( 1 );
HannesTschofenig 0:796d0f61a05b 370
HannesTschofenig 0:796d0f61a05b 371 if( verbose != 0 )
HannesTschofenig 0:796d0f61a05b 372 polarssl_printf( " PBKDF2 note: test #3 may be slow!\n" );
HannesTschofenig 0:796d0f61a05b 373
HannesTschofenig 0:796d0f61a05b 374 for( i = 0; i < MAX_TESTS; i++ )
HannesTschofenig 0:796d0f61a05b 375 {
HannesTschofenig 0:796d0f61a05b 376 if( verbose != 0 )
HannesTschofenig 0:796d0f61a05b 377 polarssl_printf( " PBKDF2 (SHA1) #%d: ", i );
HannesTschofenig 0:796d0f61a05b 378
HannesTschofenig 0:796d0f61a05b 379 ret = pkcs5_pbkdf2_hmac( &sha1_ctx, password[i], plen[i], salt[i],
HannesTschofenig 0:796d0f61a05b 380 slen[i], it_cnt[i], key_len[i], key );
HannesTschofenig 0:796d0f61a05b 381 if( ret != 0 ||
HannesTschofenig 0:796d0f61a05b 382 memcmp( result_key[i], key, key_len[i] ) != 0 )
HannesTschofenig 0:796d0f61a05b 383 {
HannesTschofenig 0:796d0f61a05b 384 if( verbose != 0 )
HannesTschofenig 0:796d0f61a05b 385 polarssl_printf( "failed\n" );
HannesTschofenig 0:796d0f61a05b 386
HannesTschofenig 0:796d0f61a05b 387 return( 1 );
HannesTschofenig 0:796d0f61a05b 388 }
HannesTschofenig 0:796d0f61a05b 389
HannesTschofenig 0:796d0f61a05b 390 if( verbose != 0 )
HannesTschofenig 0:796d0f61a05b 391 polarssl_printf( "passed\n" );
HannesTschofenig 0:796d0f61a05b 392 }
HannesTschofenig 0:796d0f61a05b 393
HannesTschofenig 0:796d0f61a05b 394 polarssl_printf( "\n" );
HannesTschofenig 0:796d0f61a05b 395
HannesTschofenig 0:796d0f61a05b 396 if( ( ret = md_free_ctx( &sha1_ctx ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 397 return( 1 );
HannesTschofenig 0:796d0f61a05b 398
HannesTschofenig 0:796d0f61a05b 399 return( 0 );
HannesTschofenig 0:796d0f61a05b 400 }
HannesTschofenig 0:796d0f61a05b 401
HannesTschofenig 0:796d0f61a05b 402 #endif /* POLARSSL_SELF_TEST */
HannesTschofenig 0:796d0f61a05b 403
HannesTschofenig 0:796d0f61a05b 404 #endif /* POLARSSL_PKCS5_C */
HannesTschofenig 0:796d0f61a05b 405
HannesTschofenig 0:796d0f61a05b 406