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

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

Dependencies:   mbed

SSL/library/pk_wrap.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 * Public Key abstraction layer: wrapper functions
HannesTschofenig 0:796d0f61a05b 3 *
HannesTschofenig 0:796d0f61a05b 4 * Copyright (C) 2006-2014, Brainspark B.V.
HannesTschofenig 0:796d0f61a05b 5 *
HannesTschofenig 0:796d0f61a05b 6 * This file is part of PolarSSL (http://www.polarssl.org)
HannesTschofenig 0:796d0f61a05b 7 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
HannesTschofenig 0:796d0f61a05b 8 *
HannesTschofenig 0:796d0f61a05b 9 * All rights reserved.
HannesTschofenig 0:796d0f61a05b 10 *
HannesTschofenig 0:796d0f61a05b 11 * This program is free software; you can redistribute it and/or modify
HannesTschofenig 0:796d0f61a05b 12 * it under the terms of the GNU General Public License as published by
HannesTschofenig 0:796d0f61a05b 13 * the Free Software Foundation; either version 2 of the License, or
HannesTschofenig 0:796d0f61a05b 14 * (at your option) any later version.
HannesTschofenig 0:796d0f61a05b 15 *
HannesTschofenig 0:796d0f61a05b 16 * This program is distributed in the hope that it will be useful,
HannesTschofenig 0:796d0f61a05b 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
HannesTschofenig 0:796d0f61a05b 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
HannesTschofenig 0:796d0f61a05b 19 * GNU General Public License for more details.
HannesTschofenig 0:796d0f61a05b 20 *
HannesTschofenig 0:796d0f61a05b 21 * You should have received a copy of the GNU General Public License along
HannesTschofenig 0:796d0f61a05b 22 * with this program; if not, write to the Free Software Foundation, Inc.,
HannesTschofenig 0:796d0f61a05b 23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
HannesTschofenig 0:796d0f61a05b 24 */
HannesTschofenig 0:796d0f61a05b 25
HannesTschofenig 0:796d0f61a05b 26 #if !defined(POLARSSL_CONFIG_FILE)
HannesTschofenig 0:796d0f61a05b 27 #include "polarssl/config.h"
HannesTschofenig 0:796d0f61a05b 28 #else
HannesTschofenig 0:796d0f61a05b 29 #include POLARSSL_CONFIG_FILE
HannesTschofenig 0:796d0f61a05b 30 #endif
HannesTschofenig 0:796d0f61a05b 31
HannesTschofenig 0:796d0f61a05b 32 #if defined(POLARSSL_PK_C)
HannesTschofenig 0:796d0f61a05b 33
HannesTschofenig 0:796d0f61a05b 34 #include "polarssl/pk_wrap.h"
HannesTschofenig 0:796d0f61a05b 35
HannesTschofenig 0:796d0f61a05b 36 /* Even if RSA not activated, for the sake of RSA-alt */
HannesTschofenig 0:796d0f61a05b 37 #include "polarssl/rsa.h"
HannesTschofenig 0:796d0f61a05b 38
HannesTschofenig 0:796d0f61a05b 39 #if defined(POLARSSL_ECP_C)
HannesTschofenig 0:796d0f61a05b 40 #include "polarssl/ecp.h"
HannesTschofenig 0:796d0f61a05b 41 #endif
HannesTschofenig 0:796d0f61a05b 42
HannesTschofenig 0:796d0f61a05b 43 #if defined(POLARSSL_ECDSA_C)
HannesTschofenig 0:796d0f61a05b 44 #include "polarssl/ecdsa.h"
HannesTschofenig 0:796d0f61a05b 45 #endif
HannesTschofenig 0:796d0f61a05b 46
HannesTschofenig 0:796d0f61a05b 47 #if defined(POLARSSL_PLATFORM_C)
HannesTschofenig 0:796d0f61a05b 48 #include "polarssl/platform.h"
HannesTschofenig 0:796d0f61a05b 49 #else
HannesTschofenig 0:796d0f61a05b 50 #include <stdlib.h>
HannesTschofenig 0:796d0f61a05b 51 #define polarssl_malloc malloc
HannesTschofenig 0:796d0f61a05b 52 #define polarssl_free free
HannesTschofenig 0:796d0f61a05b 53 #endif
HannesTschofenig 0:796d0f61a05b 54
HannesTschofenig 0:796d0f61a05b 55 /* Used by RSA-alt too */
HannesTschofenig 0:796d0f61a05b 56 static int rsa_can_do( pk_type_t type )
HannesTschofenig 0:796d0f61a05b 57 {
HannesTschofenig 0:796d0f61a05b 58 return( type == POLARSSL_PK_RSA );
HannesTschofenig 0:796d0f61a05b 59 }
HannesTschofenig 0:796d0f61a05b 60
HannesTschofenig 0:796d0f61a05b 61 #if defined(POLARSSL_RSA_C)
HannesTschofenig 0:796d0f61a05b 62 static size_t rsa_get_size( const void *ctx )
HannesTschofenig 0:796d0f61a05b 63 {
HannesTschofenig 0:796d0f61a05b 64 return( 8 * ((const rsa_context *) ctx)->len );
HannesTschofenig 0:796d0f61a05b 65 }
HannesTschofenig 0:796d0f61a05b 66
HannesTschofenig 0:796d0f61a05b 67 static int rsa_verify_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 68 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 69 const unsigned char *sig, size_t sig_len )
HannesTschofenig 0:796d0f61a05b 70 {
HannesTschofenig 0:796d0f61a05b 71 int ret;
HannesTschofenig 0:796d0f61a05b 72
HannesTschofenig 0:796d0f61a05b 73 if( sig_len < ((rsa_context *) ctx)->len )
HannesTschofenig 0:796d0f61a05b 74 return( POLARSSL_ERR_RSA_VERIFY_FAILED );
HannesTschofenig 0:796d0f61a05b 75
HannesTschofenig 0:796d0f61a05b 76 if( ( ret = rsa_pkcs1_verify( (rsa_context *) ctx, NULL, NULL,
HannesTschofenig 0:796d0f61a05b 77 RSA_PUBLIC, md_alg,
HannesTschofenig 0:796d0f61a05b 78 (unsigned int) hash_len, hash, sig ) ) != 0 )
HannesTschofenig 0:796d0f61a05b 79 return( ret );
HannesTschofenig 0:796d0f61a05b 80
HannesTschofenig 0:796d0f61a05b 81 if( sig_len > ((rsa_context *) ctx)->len )
HannesTschofenig 0:796d0f61a05b 82 return( POLARSSL_ERR_PK_SIG_LEN_MISMATCH );
HannesTschofenig 0:796d0f61a05b 83
HannesTschofenig 0:796d0f61a05b 84 return( 0 );
HannesTschofenig 0:796d0f61a05b 85 }
HannesTschofenig 0:796d0f61a05b 86
HannesTschofenig 0:796d0f61a05b 87 static int rsa_sign_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 88 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 89 unsigned char *sig, size_t *sig_len,
HannesTschofenig 0:796d0f61a05b 90 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 91 {
HannesTschofenig 0:796d0f61a05b 92 *sig_len = ((rsa_context *) ctx)->len;
HannesTschofenig 0:796d0f61a05b 93
HannesTschofenig 0:796d0f61a05b 94 return( rsa_pkcs1_sign( (rsa_context *) ctx, f_rng, p_rng, RSA_PRIVATE,
HannesTschofenig 0:796d0f61a05b 95 md_alg, (unsigned int) hash_len, hash, sig ) );
HannesTschofenig 0:796d0f61a05b 96 }
HannesTschofenig 0:796d0f61a05b 97
HannesTschofenig 0:796d0f61a05b 98 static int rsa_decrypt_wrap( void *ctx,
HannesTschofenig 0:796d0f61a05b 99 const unsigned char *input, size_t ilen,
HannesTschofenig 0:796d0f61a05b 100 unsigned char *output, size_t *olen, size_t osize,
HannesTschofenig 0:796d0f61a05b 101 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 102 {
HannesTschofenig 0:796d0f61a05b 103 if( ilen != ((rsa_context *) ctx)->len )
HannesTschofenig 0:796d0f61a05b 104 return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
HannesTschofenig 0:796d0f61a05b 105
HannesTschofenig 0:796d0f61a05b 106 return( rsa_pkcs1_decrypt( (rsa_context *) ctx, f_rng, p_rng,
HannesTschofenig 0:796d0f61a05b 107 RSA_PRIVATE, olen, input, output, osize ) );
HannesTschofenig 0:796d0f61a05b 108 }
HannesTschofenig 0:796d0f61a05b 109
HannesTschofenig 0:796d0f61a05b 110 static int rsa_encrypt_wrap( void *ctx,
HannesTschofenig 0:796d0f61a05b 111 const unsigned char *input, size_t ilen,
HannesTschofenig 0:796d0f61a05b 112 unsigned char *output, size_t *olen, size_t osize,
HannesTschofenig 0:796d0f61a05b 113 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 114 {
HannesTschofenig 0:796d0f61a05b 115 ((void) osize);
HannesTschofenig 0:796d0f61a05b 116
HannesTschofenig 0:796d0f61a05b 117 *olen = ((rsa_context *) ctx)->len;
HannesTschofenig 0:796d0f61a05b 118
HannesTschofenig 0:796d0f61a05b 119 return( rsa_pkcs1_encrypt( (rsa_context *) ctx,
HannesTschofenig 0:796d0f61a05b 120 f_rng, p_rng, RSA_PUBLIC, ilen, input, output ) );
HannesTschofenig 0:796d0f61a05b 121 }
HannesTschofenig 0:796d0f61a05b 122
HannesTschofenig 0:796d0f61a05b 123 static void *rsa_alloc_wrap( void )
HannesTschofenig 0:796d0f61a05b 124 {
HannesTschofenig 0:796d0f61a05b 125 void *ctx = polarssl_malloc( sizeof( rsa_context ) );
HannesTschofenig 0:796d0f61a05b 126
HannesTschofenig 0:796d0f61a05b 127 if( ctx != NULL )
HannesTschofenig 0:796d0f61a05b 128 rsa_init( (rsa_context *) ctx, 0, 0 );
HannesTschofenig 0:796d0f61a05b 129
HannesTschofenig 0:796d0f61a05b 130 return ctx;
HannesTschofenig 0:796d0f61a05b 131 }
HannesTschofenig 0:796d0f61a05b 132
HannesTschofenig 0:796d0f61a05b 133 static void rsa_free_wrap( void *ctx )
HannesTschofenig 0:796d0f61a05b 134 {
HannesTschofenig 0:796d0f61a05b 135 rsa_free( (rsa_context *) ctx );
HannesTschofenig 0:796d0f61a05b 136 polarssl_free( ctx );
HannesTschofenig 0:796d0f61a05b 137 }
HannesTschofenig 0:796d0f61a05b 138
HannesTschofenig 0:796d0f61a05b 139 static void rsa_debug( const void *ctx, pk_debug_item *items )
HannesTschofenig 0:796d0f61a05b 140 {
HannesTschofenig 0:796d0f61a05b 141 items->type = POLARSSL_PK_DEBUG_MPI;
HannesTschofenig 0:796d0f61a05b 142 items->name = "rsa.N";
HannesTschofenig 0:796d0f61a05b 143 items->value = &( ((rsa_context *) ctx)->N );
HannesTschofenig 0:796d0f61a05b 144
HannesTschofenig 0:796d0f61a05b 145 items++;
HannesTschofenig 0:796d0f61a05b 146
HannesTschofenig 0:796d0f61a05b 147 items->type = POLARSSL_PK_DEBUG_MPI;
HannesTschofenig 0:796d0f61a05b 148 items->name = "rsa.E";
HannesTschofenig 0:796d0f61a05b 149 items->value = &( ((rsa_context *) ctx)->E );
HannesTschofenig 0:796d0f61a05b 150 }
HannesTschofenig 0:796d0f61a05b 151
HannesTschofenig 0:796d0f61a05b 152 const pk_info_t rsa_info = {
HannesTschofenig 0:796d0f61a05b 153 POLARSSL_PK_RSA,
HannesTschofenig 0:796d0f61a05b 154 "RSA",
HannesTschofenig 0:796d0f61a05b 155 rsa_get_size,
HannesTschofenig 0:796d0f61a05b 156 rsa_can_do,
HannesTschofenig 0:796d0f61a05b 157 rsa_verify_wrap,
HannesTschofenig 0:796d0f61a05b 158 rsa_sign_wrap,
HannesTschofenig 0:796d0f61a05b 159 rsa_decrypt_wrap,
HannesTschofenig 0:796d0f61a05b 160 rsa_encrypt_wrap,
HannesTschofenig 0:796d0f61a05b 161 rsa_alloc_wrap,
HannesTschofenig 0:796d0f61a05b 162 rsa_free_wrap,
HannesTschofenig 0:796d0f61a05b 163 rsa_debug,
HannesTschofenig 0:796d0f61a05b 164 };
HannesTschofenig 0:796d0f61a05b 165 #endif /* POLARSSL_RSA_C */
HannesTschofenig 0:796d0f61a05b 166
HannesTschofenig 0:796d0f61a05b 167 #if defined(POLARSSL_ECP_C)
HannesTschofenig 0:796d0f61a05b 168 /*
HannesTschofenig 0:796d0f61a05b 169 * Generic EC key
HannesTschofenig 0:796d0f61a05b 170 */
HannesTschofenig 0:796d0f61a05b 171 static int eckey_can_do( pk_type_t type )
HannesTschofenig 0:796d0f61a05b 172 {
HannesTschofenig 0:796d0f61a05b 173 return( type == POLARSSL_PK_ECKEY ||
HannesTschofenig 0:796d0f61a05b 174 type == POLARSSL_PK_ECKEY_DH ||
HannesTschofenig 0:796d0f61a05b 175 type == POLARSSL_PK_ECDSA );
HannesTschofenig 0:796d0f61a05b 176 }
HannesTschofenig 0:796d0f61a05b 177
HannesTschofenig 0:796d0f61a05b 178 static size_t eckey_get_size( const void *ctx )
HannesTschofenig 0:796d0f61a05b 179 {
HannesTschofenig 0:796d0f61a05b 180 return( ((ecp_keypair *) ctx)->grp.pbits );
HannesTschofenig 0:796d0f61a05b 181 }
HannesTschofenig 0:796d0f61a05b 182
HannesTschofenig 0:796d0f61a05b 183 #if defined(POLARSSL_ECDSA_C)
HannesTschofenig 0:796d0f61a05b 184 /* Forward declarations */
HannesTschofenig 0:796d0f61a05b 185 static int ecdsa_verify_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 186 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 187 const unsigned char *sig, size_t sig_len );
HannesTschofenig 0:796d0f61a05b 188
HannesTschofenig 0:796d0f61a05b 189 static int ecdsa_sign_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 190 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 191 unsigned char *sig, size_t *sig_len,
HannesTschofenig 0:796d0f61a05b 192 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
HannesTschofenig 0:796d0f61a05b 193
HannesTschofenig 0:796d0f61a05b 194 static int eckey_verify_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 195 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 196 const unsigned char *sig, size_t sig_len )
HannesTschofenig 0:796d0f61a05b 197 {
HannesTschofenig 0:796d0f61a05b 198 int ret;
HannesTschofenig 0:796d0f61a05b 199 ecdsa_context ecdsa;
HannesTschofenig 0:796d0f61a05b 200
HannesTschofenig 0:796d0f61a05b 201 ecdsa_init( &ecdsa );
HannesTschofenig 0:796d0f61a05b 202
HannesTschofenig 0:796d0f61a05b 203 if( ( ret = ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
HannesTschofenig 0:796d0f61a05b 204 ret = ecdsa_verify_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len );
HannesTschofenig 0:796d0f61a05b 205
HannesTschofenig 0:796d0f61a05b 206 ecdsa_free( &ecdsa );
HannesTschofenig 0:796d0f61a05b 207
HannesTschofenig 0:796d0f61a05b 208 return( ret );
HannesTschofenig 0:796d0f61a05b 209 }
HannesTschofenig 0:796d0f61a05b 210
HannesTschofenig 0:796d0f61a05b 211 static int eckey_sign_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 212 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 213 unsigned char *sig, size_t *sig_len,
HannesTschofenig 0:796d0f61a05b 214 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 215 {
HannesTschofenig 0:796d0f61a05b 216 int ret;
HannesTschofenig 0:796d0f61a05b 217 ecdsa_context ecdsa;
HannesTschofenig 0:796d0f61a05b 218
HannesTschofenig 0:796d0f61a05b 219 ecdsa_init( &ecdsa );
HannesTschofenig 0:796d0f61a05b 220
HannesTschofenig 0:796d0f61a05b 221 if( ( ret = ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
HannesTschofenig 0:796d0f61a05b 222 ret = ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len,
HannesTschofenig 0:796d0f61a05b 223 f_rng, p_rng );
HannesTschofenig 0:796d0f61a05b 224
HannesTschofenig 0:796d0f61a05b 225 ecdsa_free( &ecdsa );
HannesTschofenig 0:796d0f61a05b 226
HannesTschofenig 0:796d0f61a05b 227 return( ret );
HannesTschofenig 0:796d0f61a05b 228 }
HannesTschofenig 0:796d0f61a05b 229
HannesTschofenig 0:796d0f61a05b 230 #endif /* POLARSSL_ECDSA_C */
HannesTschofenig 0:796d0f61a05b 231
HannesTschofenig 0:796d0f61a05b 232 static void *eckey_alloc_wrap( void )
HannesTschofenig 0:796d0f61a05b 233 {
HannesTschofenig 0:796d0f61a05b 234 void *ctx = polarssl_malloc( sizeof( ecp_keypair ) );
HannesTschofenig 0:796d0f61a05b 235
HannesTschofenig 0:796d0f61a05b 236 if( ctx != NULL )
HannesTschofenig 0:796d0f61a05b 237 ecp_keypair_init( ctx );
HannesTschofenig 0:796d0f61a05b 238
HannesTschofenig 0:796d0f61a05b 239 return( ctx );
HannesTschofenig 0:796d0f61a05b 240 }
HannesTschofenig 0:796d0f61a05b 241
HannesTschofenig 0:796d0f61a05b 242 static void eckey_free_wrap( void *ctx )
HannesTschofenig 0:796d0f61a05b 243 {
HannesTschofenig 0:796d0f61a05b 244 ecp_keypair_free( (ecp_keypair *) ctx );
HannesTschofenig 0:796d0f61a05b 245 polarssl_free( ctx );
HannesTschofenig 0:796d0f61a05b 246 }
HannesTschofenig 0:796d0f61a05b 247
HannesTschofenig 0:796d0f61a05b 248 static void eckey_debug( const void *ctx, pk_debug_item *items )
HannesTschofenig 0:796d0f61a05b 249 {
HannesTschofenig 0:796d0f61a05b 250 items->type = POLARSSL_PK_DEBUG_ECP;
HannesTschofenig 0:796d0f61a05b 251 items->name = "eckey.Q";
HannesTschofenig 0:796d0f61a05b 252 items->value = &( ((ecp_keypair *) ctx)->Q );
HannesTschofenig 0:796d0f61a05b 253 }
HannesTschofenig 0:796d0f61a05b 254
HannesTschofenig 0:796d0f61a05b 255 const pk_info_t eckey_info = {
HannesTschofenig 0:796d0f61a05b 256 POLARSSL_PK_ECKEY,
HannesTschofenig 0:796d0f61a05b 257 "EC",
HannesTschofenig 0:796d0f61a05b 258 eckey_get_size,
HannesTschofenig 0:796d0f61a05b 259 eckey_can_do,
HannesTschofenig 0:796d0f61a05b 260 #if defined(POLARSSL_ECDSA_C)
HannesTschofenig 0:796d0f61a05b 261 eckey_verify_wrap,
HannesTschofenig 0:796d0f61a05b 262 eckey_sign_wrap,
HannesTschofenig 0:796d0f61a05b 263 #else
HannesTschofenig 0:796d0f61a05b 264 NULL,
HannesTschofenig 0:796d0f61a05b 265 NULL,
HannesTschofenig 0:796d0f61a05b 266 #endif
HannesTschofenig 0:796d0f61a05b 267 NULL,
HannesTschofenig 0:796d0f61a05b 268 NULL,
HannesTschofenig 0:796d0f61a05b 269 eckey_alloc_wrap,
HannesTschofenig 0:796d0f61a05b 270 eckey_free_wrap,
HannesTschofenig 0:796d0f61a05b 271 eckey_debug,
HannesTschofenig 0:796d0f61a05b 272 };
HannesTschofenig 0:796d0f61a05b 273
HannesTschofenig 0:796d0f61a05b 274 /*
HannesTschofenig 0:796d0f61a05b 275 * EC key restricted to ECDH
HannesTschofenig 0:796d0f61a05b 276 */
HannesTschofenig 0:796d0f61a05b 277 static int eckeydh_can_do( pk_type_t type )
HannesTschofenig 0:796d0f61a05b 278 {
HannesTschofenig 0:796d0f61a05b 279 return( type == POLARSSL_PK_ECKEY ||
HannesTschofenig 0:796d0f61a05b 280 type == POLARSSL_PK_ECKEY_DH );
HannesTschofenig 0:796d0f61a05b 281 }
HannesTschofenig 0:796d0f61a05b 282
HannesTschofenig 0:796d0f61a05b 283 const pk_info_t eckeydh_info = {
HannesTschofenig 0:796d0f61a05b 284 POLARSSL_PK_ECKEY_DH,
HannesTschofenig 0:796d0f61a05b 285 "EC_DH",
HannesTschofenig 0:796d0f61a05b 286 eckey_get_size, /* Same underlying key structure */
HannesTschofenig 0:796d0f61a05b 287 eckeydh_can_do,
HannesTschofenig 0:796d0f61a05b 288 NULL,
HannesTschofenig 0:796d0f61a05b 289 NULL,
HannesTschofenig 0:796d0f61a05b 290 NULL,
HannesTschofenig 0:796d0f61a05b 291 NULL,
HannesTschofenig 0:796d0f61a05b 292 eckey_alloc_wrap, /* Same underlying key structure */
HannesTschofenig 0:796d0f61a05b 293 eckey_free_wrap, /* Same underlying key structure */
HannesTschofenig 0:796d0f61a05b 294 eckey_debug, /* Same underlying key structure */
HannesTschofenig 0:796d0f61a05b 295 };
HannesTschofenig 0:796d0f61a05b 296 #endif /* POLARSSL_ECP_C */
HannesTschofenig 0:796d0f61a05b 297
HannesTschofenig 0:796d0f61a05b 298 #if defined(POLARSSL_ECDSA_C)
HannesTschofenig 0:796d0f61a05b 299 static int ecdsa_can_do( pk_type_t type )
HannesTschofenig 0:796d0f61a05b 300 {
HannesTschofenig 0:796d0f61a05b 301 return( type == POLARSSL_PK_ECDSA );
HannesTschofenig 0:796d0f61a05b 302 }
HannesTschofenig 0:796d0f61a05b 303
HannesTschofenig 0:796d0f61a05b 304 static int ecdsa_verify_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 305 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 306 const unsigned char *sig, size_t sig_len )
HannesTschofenig 0:796d0f61a05b 307 {
HannesTschofenig 0:796d0f61a05b 308 int ret;
HannesTschofenig 0:796d0f61a05b 309 ((void) md_alg);
HannesTschofenig 0:796d0f61a05b 310
HannesTschofenig 0:796d0f61a05b 311 ret = ecdsa_read_signature( (ecdsa_context *) ctx,
HannesTschofenig 0:796d0f61a05b 312 hash, hash_len, sig, sig_len );
HannesTschofenig 0:796d0f61a05b 313
HannesTschofenig 0:796d0f61a05b 314 if( ret == POLARSSL_ERR_ECP_SIG_LEN_MISMATCH )
HannesTschofenig 0:796d0f61a05b 315 return( POLARSSL_ERR_PK_SIG_LEN_MISMATCH );
HannesTschofenig 0:796d0f61a05b 316
HannesTschofenig 0:796d0f61a05b 317 return( ret );
HannesTschofenig 0:796d0f61a05b 318 }
HannesTschofenig 0:796d0f61a05b 319
HannesTschofenig 0:796d0f61a05b 320 static int ecdsa_sign_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 321 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 322 unsigned char *sig, size_t *sig_len,
HannesTschofenig 0:796d0f61a05b 323 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 324 {
HannesTschofenig 0:796d0f61a05b 325 /* Use deterministic ECDSA by default if available */
HannesTschofenig 0:796d0f61a05b 326 #if defined(POLARSSL_ECDSA_DETERMINISTIC)
HannesTschofenig 0:796d0f61a05b 327 ((void) f_rng);
HannesTschofenig 0:796d0f61a05b 328 ((void) p_rng);
HannesTschofenig 0:796d0f61a05b 329
HannesTschofenig 0:796d0f61a05b 330 return( ecdsa_write_signature_det( (ecdsa_context *) ctx,
HannesTschofenig 0:796d0f61a05b 331 hash, hash_len, sig, sig_len, md_alg ) );
HannesTschofenig 0:796d0f61a05b 332 #else
HannesTschofenig 0:796d0f61a05b 333 ((void) md_alg);
HannesTschofenig 0:796d0f61a05b 334
HannesTschofenig 0:796d0f61a05b 335 return( ecdsa_write_signature( (ecdsa_context *) ctx,
HannesTschofenig 0:796d0f61a05b 336 hash, hash_len, sig, sig_len, f_rng, p_rng ) );
HannesTschofenig 0:796d0f61a05b 337 #endif /* POLARSSL_ECDSA_DETERMINISTIC */
HannesTschofenig 0:796d0f61a05b 338 }
HannesTschofenig 0:796d0f61a05b 339
HannesTschofenig 0:796d0f61a05b 340 static void *ecdsa_alloc_wrap( void )
HannesTschofenig 0:796d0f61a05b 341 {
HannesTschofenig 0:796d0f61a05b 342 void *ctx = polarssl_malloc( sizeof( ecdsa_context ) );
HannesTschofenig 0:796d0f61a05b 343
HannesTschofenig 0:796d0f61a05b 344 if( ctx != NULL )
HannesTschofenig 0:796d0f61a05b 345 ecdsa_init( (ecdsa_context *) ctx );
HannesTschofenig 0:796d0f61a05b 346
HannesTschofenig 0:796d0f61a05b 347 return( ctx );
HannesTschofenig 0:796d0f61a05b 348 }
HannesTschofenig 0:796d0f61a05b 349
HannesTschofenig 0:796d0f61a05b 350 static void ecdsa_free_wrap( void *ctx )
HannesTschofenig 0:796d0f61a05b 351 {
HannesTschofenig 0:796d0f61a05b 352 ecdsa_free( (ecdsa_context *) ctx );
HannesTschofenig 0:796d0f61a05b 353 polarssl_free( ctx );
HannesTschofenig 0:796d0f61a05b 354 }
HannesTschofenig 0:796d0f61a05b 355
HannesTschofenig 0:796d0f61a05b 356 const pk_info_t ecdsa_info = {
HannesTschofenig 0:796d0f61a05b 357 POLARSSL_PK_ECDSA,
HannesTschofenig 0:796d0f61a05b 358 "ECDSA",
HannesTschofenig 0:796d0f61a05b 359 eckey_get_size, /* Compatible key structures */
HannesTschofenig 0:796d0f61a05b 360 ecdsa_can_do,
HannesTschofenig 0:796d0f61a05b 361 ecdsa_verify_wrap,
HannesTschofenig 0:796d0f61a05b 362 ecdsa_sign_wrap,
HannesTschofenig 0:796d0f61a05b 363 NULL,
HannesTschofenig 0:796d0f61a05b 364 NULL,
HannesTschofenig 0:796d0f61a05b 365 ecdsa_alloc_wrap,
HannesTschofenig 0:796d0f61a05b 366 ecdsa_free_wrap,
HannesTschofenig 0:796d0f61a05b 367 eckey_debug, /* Compatible key structures */
HannesTschofenig 0:796d0f61a05b 368 };
HannesTschofenig 0:796d0f61a05b 369 #endif /* POLARSSL_ECDSA_C */
HannesTschofenig 0:796d0f61a05b 370
HannesTschofenig 0:796d0f61a05b 371 /*
HannesTschofenig 0:796d0f61a05b 372 * Support for alternative RSA-private implementations
HannesTschofenig 0:796d0f61a05b 373 */
HannesTschofenig 0:796d0f61a05b 374
HannesTschofenig 0:796d0f61a05b 375 static size_t rsa_alt_get_size( const void *ctx )
HannesTschofenig 0:796d0f61a05b 376 {
HannesTschofenig 0:796d0f61a05b 377 const rsa_alt_context *rsa_alt = (const rsa_alt_context *) ctx;
HannesTschofenig 0:796d0f61a05b 378
HannesTschofenig 0:796d0f61a05b 379 return( 8 * rsa_alt->key_len_func( rsa_alt->key ) );
HannesTschofenig 0:796d0f61a05b 380 }
HannesTschofenig 0:796d0f61a05b 381
HannesTschofenig 0:796d0f61a05b 382 static int rsa_alt_sign_wrap( void *ctx, md_type_t md_alg,
HannesTschofenig 0:796d0f61a05b 383 const unsigned char *hash, size_t hash_len,
HannesTschofenig 0:796d0f61a05b 384 unsigned char *sig, size_t *sig_len,
HannesTschofenig 0:796d0f61a05b 385 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 386 {
HannesTschofenig 0:796d0f61a05b 387 rsa_alt_context *rsa_alt = (rsa_alt_context *) ctx;
HannesTschofenig 0:796d0f61a05b 388
HannesTschofenig 0:796d0f61a05b 389 *sig_len = rsa_alt->key_len_func( rsa_alt->key );
HannesTschofenig 0:796d0f61a05b 390
HannesTschofenig 0:796d0f61a05b 391 return( rsa_alt->sign_func( rsa_alt->key, f_rng, p_rng, RSA_PRIVATE,
HannesTschofenig 0:796d0f61a05b 392 md_alg, (unsigned int) hash_len, hash, sig ) );
HannesTschofenig 0:796d0f61a05b 393 }
HannesTschofenig 0:796d0f61a05b 394
HannesTschofenig 0:796d0f61a05b 395 static int rsa_alt_decrypt_wrap( void *ctx,
HannesTschofenig 0:796d0f61a05b 396 const unsigned char *input, size_t ilen,
HannesTschofenig 0:796d0f61a05b 397 unsigned char *output, size_t *olen, size_t osize,
HannesTschofenig 0:796d0f61a05b 398 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
HannesTschofenig 0:796d0f61a05b 399 {
HannesTschofenig 0:796d0f61a05b 400 rsa_alt_context *rsa_alt = (rsa_alt_context *) ctx;
HannesTschofenig 0:796d0f61a05b 401
HannesTschofenig 0:796d0f61a05b 402 ((void) f_rng);
HannesTschofenig 0:796d0f61a05b 403 ((void) p_rng);
HannesTschofenig 0:796d0f61a05b 404
HannesTschofenig 0:796d0f61a05b 405 if( ilen != rsa_alt->key_len_func( rsa_alt->key ) )
HannesTschofenig 0:796d0f61a05b 406 return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
HannesTschofenig 0:796d0f61a05b 407
HannesTschofenig 0:796d0f61a05b 408 return( rsa_alt->decrypt_func( rsa_alt->key,
HannesTschofenig 0:796d0f61a05b 409 RSA_PRIVATE, olen, input, output, osize ) );
HannesTschofenig 0:796d0f61a05b 410 }
HannesTschofenig 0:796d0f61a05b 411
HannesTschofenig 0:796d0f61a05b 412 static void *rsa_alt_alloc_wrap( void )
HannesTschofenig 0:796d0f61a05b 413 {
HannesTschofenig 0:796d0f61a05b 414 void *ctx = polarssl_malloc( sizeof( rsa_alt_context ) );
HannesTschofenig 0:796d0f61a05b 415
HannesTschofenig 0:796d0f61a05b 416 if( ctx != NULL )
HannesTschofenig 0:796d0f61a05b 417 memset( ctx, 0, sizeof( rsa_alt_context ) );
HannesTschofenig 0:796d0f61a05b 418
HannesTschofenig 0:796d0f61a05b 419 return ctx;
HannesTschofenig 0:796d0f61a05b 420 }
HannesTschofenig 0:796d0f61a05b 421
HannesTschofenig 0:796d0f61a05b 422 static void rsa_alt_free_wrap( void *ctx )
HannesTschofenig 0:796d0f61a05b 423 {
HannesTschofenig 0:796d0f61a05b 424 polarssl_free( ctx );
HannesTschofenig 0:796d0f61a05b 425 }
HannesTschofenig 0:796d0f61a05b 426
HannesTschofenig 0:796d0f61a05b 427 const pk_info_t rsa_alt_info = {
HannesTschofenig 0:796d0f61a05b 428 POLARSSL_PK_RSA_ALT,
HannesTschofenig 0:796d0f61a05b 429 "RSA-alt",
HannesTschofenig 0:796d0f61a05b 430 rsa_alt_get_size,
HannesTschofenig 0:796d0f61a05b 431 rsa_can_do,
HannesTschofenig 0:796d0f61a05b 432 NULL,
HannesTschofenig 0:796d0f61a05b 433 rsa_alt_sign_wrap,
HannesTschofenig 0:796d0f61a05b 434 rsa_alt_decrypt_wrap,
HannesTschofenig 0:796d0f61a05b 435 NULL,
HannesTschofenig 0:796d0f61a05b 436 rsa_alt_alloc_wrap,
HannesTschofenig 0:796d0f61a05b 437 rsa_alt_free_wrap,
HannesTschofenig 0:796d0f61a05b 438 NULL,
HannesTschofenig 0:796d0f61a05b 439 };
HannesTschofenig 0:796d0f61a05b 440
HannesTschofenig 0:796d0f61a05b 441 #endif /* POLARSSL_PK_C */
HannesTschofenig 0:796d0f61a05b 442
HannesTschofenig 0:796d0f61a05b 443