Nathen Gallardojohnson / WNCInterface

I added functionality to get the RSSI, BER, and Cell Neighbor for reporting connection issues to M2X

Dependencies:   WncControllerK64F

mbedtls/source/pk.c@12:0071cb144c7a, 2016-11-01 (annotated)

Committer:
JMF
Date:
Tue Nov 01 14:22:56 2016 +0000
Revision:
12:0071cb144c7a
Adding mbedtls files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 12:0071cb144c7a 1 /*
JMF 12:0071cb144c7a 2 * Public Key abstraction layer
JMF 12:0071cb144c7a 3 *
JMF 12:0071cb144c7a 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
JMF 12:0071cb144c7a 5 * SPDX-License-Identifier: Apache-2.0
JMF 12:0071cb144c7a 6 *
JMF 12:0071cb144c7a 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
JMF 12:0071cb144c7a 8 * not use this file except in compliance with the License.
JMF 12:0071cb144c7a 9 * You may obtain a copy of the License at
JMF 12:0071cb144c7a 10 *
JMF 12:0071cb144c7a 11 * http://www.apache.org/licenses/LICENSE-2.0
JMF 12:0071cb144c7a 12 *
JMF 12:0071cb144c7a 13 * Unless required by applicable law or agreed to in writing, software
JMF 12:0071cb144c7a 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
JMF 12:0071cb144c7a 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JMF 12:0071cb144c7a 16 * See the License for the specific language governing permissions and
JMF 12:0071cb144c7a 17 * limitations under the License.
JMF 12:0071cb144c7a 18 *
JMF 12:0071cb144c7a 19 * This file is part of mbed TLS (https://tls.mbed.org)
JMF 12:0071cb144c7a 20 */
JMF 12:0071cb144c7a 21
JMF 12:0071cb144c7a 22 #if !defined(MBEDTLS_CONFIG_FILE)
JMF 12:0071cb144c7a 23 #include "mbedtls/config.h"
JMF 12:0071cb144c7a 24 #else
JMF 12:0071cb144c7a 25 #include MBEDTLS_CONFIG_FILE
JMF 12:0071cb144c7a 26 #endif
JMF 12:0071cb144c7a 27
JMF 12:0071cb144c7a 28 #if defined(MBEDTLS_PK_C)
JMF 12:0071cb144c7a 29 #include "mbedtls/pk.h"
JMF 12:0071cb144c7a 30 #include "mbedtls/pk_internal.h"
JMF 12:0071cb144c7a 31
JMF 12:0071cb144c7a 32 #if defined(MBEDTLS_RSA_C)
JMF 12:0071cb144c7a 33 #include "mbedtls/rsa.h"
JMF 12:0071cb144c7a 34 #endif
JMF 12:0071cb144c7a 35 #if defined(MBEDTLS_ECP_C)
JMF 12:0071cb144c7a 36 #include "mbedtls/ecp.h"
JMF 12:0071cb144c7a 37 #endif
JMF 12:0071cb144c7a 38 #if defined(MBEDTLS_ECDSA_C)
JMF 12:0071cb144c7a 39 #include "mbedtls/ecdsa.h"
JMF 12:0071cb144c7a 40 #endif
JMF 12:0071cb144c7a 41
JMF 12:0071cb144c7a 42 /* Implementation that should never be optimized out by the compiler */
JMF 12:0071cb144c7a 43 static void mbedtls_zeroize( void *v, size_t n ) {
JMF 12:0071cb144c7a 44 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
JMF 12:0071cb144c7a 45 }
JMF 12:0071cb144c7a 46
JMF 12:0071cb144c7a 47 /*
JMF 12:0071cb144c7a 48 * Initialise a mbedtls_pk_context
JMF 12:0071cb144c7a 49 */
JMF 12:0071cb144c7a 50 void mbedtls_pk_init( mbedtls_pk_context *ctx )
JMF 12:0071cb144c7a 51 {
JMF 12:0071cb144c7a 52 if( ctx == NULL )
JMF 12:0071cb144c7a 53 return;
JMF 12:0071cb144c7a 54
JMF 12:0071cb144c7a 55 ctx->pk_info = NULL;
JMF 12:0071cb144c7a 56 ctx->pk_ctx = NULL;
JMF 12:0071cb144c7a 57 }
JMF 12:0071cb144c7a 58
JMF 12:0071cb144c7a 59 /*
JMF 12:0071cb144c7a 60 * Free (the components of) a mbedtls_pk_context
JMF 12:0071cb144c7a 61 */
JMF 12:0071cb144c7a 62 void mbedtls_pk_free( mbedtls_pk_context *ctx )
JMF 12:0071cb144c7a 63 {
JMF 12:0071cb144c7a 64 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 65 return;
JMF 12:0071cb144c7a 66
JMF 12:0071cb144c7a 67 ctx->pk_info->ctx_free_func( ctx->pk_ctx );
JMF 12:0071cb144c7a 68
JMF 12:0071cb144c7a 69 mbedtls_zeroize( ctx, sizeof( mbedtls_pk_context ) );
JMF 12:0071cb144c7a 70 }
JMF 12:0071cb144c7a 71
JMF 12:0071cb144c7a 72 /*
JMF 12:0071cb144c7a 73 * Get pk_info structure from type
JMF 12:0071cb144c7a 74 */
JMF 12:0071cb144c7a 75 const mbedtls_pk_info_t * mbedtls_pk_info_from_type( mbedtls_pk_type_t pk_type )
JMF 12:0071cb144c7a 76 {
JMF 12:0071cb144c7a 77 switch( pk_type ) {
JMF 12:0071cb144c7a 78 #if defined(MBEDTLS_RSA_C)
JMF 12:0071cb144c7a 79 case MBEDTLS_PK_RSA:
JMF 12:0071cb144c7a 80 return( &mbedtls_rsa_info );
JMF 12:0071cb144c7a 81 #endif
JMF 12:0071cb144c7a 82 #if defined(MBEDTLS_ECP_C)
JMF 12:0071cb144c7a 83 case MBEDTLS_PK_ECKEY:
JMF 12:0071cb144c7a 84 return( &mbedtls_eckey_info );
JMF 12:0071cb144c7a 85 case MBEDTLS_PK_ECKEY_DH:
JMF 12:0071cb144c7a 86 return( &mbedtls_eckeydh_info );
JMF 12:0071cb144c7a 87 #endif
JMF 12:0071cb144c7a 88 #if defined(MBEDTLS_ECDSA_C)
JMF 12:0071cb144c7a 89 case MBEDTLS_PK_ECDSA:
JMF 12:0071cb144c7a 90 return( &mbedtls_ecdsa_info );
JMF 12:0071cb144c7a 91 #endif
JMF 12:0071cb144c7a 92 /* MBEDTLS_PK_RSA_ALT omitted on purpose */
JMF 12:0071cb144c7a 93 default:
JMF 12:0071cb144c7a 94 return( NULL );
JMF 12:0071cb144c7a 95 }
JMF 12:0071cb144c7a 96 }
JMF 12:0071cb144c7a 97
JMF 12:0071cb144c7a 98 /*
JMF 12:0071cb144c7a 99 * Initialise context
JMF 12:0071cb144c7a 100 */
JMF 12:0071cb144c7a 101 int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info )
JMF 12:0071cb144c7a 102 {
JMF 12:0071cb144c7a 103 if( ctx == NULL || info == NULL || ctx->pk_info != NULL )
JMF 12:0071cb144c7a 104 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 105
JMF 12:0071cb144c7a 106 if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
JMF 12:0071cb144c7a 107 return( MBEDTLS_ERR_PK_ALLOC_FAILED );
JMF 12:0071cb144c7a 108
JMF 12:0071cb144c7a 109 ctx->pk_info = info;
JMF 12:0071cb144c7a 110
JMF 12:0071cb144c7a 111 return( 0 );
JMF 12:0071cb144c7a 112 }
JMF 12:0071cb144c7a 113
JMF 12:0071cb144c7a 114 #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
JMF 12:0071cb144c7a 115 /*
JMF 12:0071cb144c7a 116 * Initialize an RSA-alt context
JMF 12:0071cb144c7a 117 */
JMF 12:0071cb144c7a 118 int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
JMF 12:0071cb144c7a 119 mbedtls_pk_rsa_alt_decrypt_func decrypt_func,
JMF 12:0071cb144c7a 120 mbedtls_pk_rsa_alt_sign_func sign_func,
JMF 12:0071cb144c7a 121 mbedtls_pk_rsa_alt_key_len_func key_len_func )
JMF 12:0071cb144c7a 122 {
JMF 12:0071cb144c7a 123 mbedtls_rsa_alt_context *rsa_alt;
JMF 12:0071cb144c7a 124 const mbedtls_pk_info_t *info = &mbedtls_rsa_alt_info;
JMF 12:0071cb144c7a 125
JMF 12:0071cb144c7a 126 if( ctx == NULL || ctx->pk_info != NULL )
JMF 12:0071cb144c7a 127 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 128
JMF 12:0071cb144c7a 129 if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
JMF 12:0071cb144c7a 130 return( MBEDTLS_ERR_PK_ALLOC_FAILED );
JMF 12:0071cb144c7a 131
JMF 12:0071cb144c7a 132 ctx->pk_info = info;
JMF 12:0071cb144c7a 133
JMF 12:0071cb144c7a 134 rsa_alt = (mbedtls_rsa_alt_context *) ctx->pk_ctx;
JMF 12:0071cb144c7a 135
JMF 12:0071cb144c7a 136 rsa_alt->key = key;
JMF 12:0071cb144c7a 137 rsa_alt->decrypt_func = decrypt_func;
JMF 12:0071cb144c7a 138 rsa_alt->sign_func = sign_func;
JMF 12:0071cb144c7a 139 rsa_alt->key_len_func = key_len_func;
JMF 12:0071cb144c7a 140
JMF 12:0071cb144c7a 141 return( 0 );
JMF 12:0071cb144c7a 142 }
JMF 12:0071cb144c7a 143 #endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
JMF 12:0071cb144c7a 144
JMF 12:0071cb144c7a 145 /*
JMF 12:0071cb144c7a 146 * Tell if a PK can do the operations of the given type
JMF 12:0071cb144c7a 147 */
JMF 12:0071cb144c7a 148 int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type )
JMF 12:0071cb144c7a 149 {
JMF 12:0071cb144c7a 150 /* null or NONE context can't do anything */
JMF 12:0071cb144c7a 151 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 152 return( 0 );
JMF 12:0071cb144c7a 153
JMF 12:0071cb144c7a 154 return( ctx->pk_info->can_do( type ) );
JMF 12:0071cb144c7a 155 }
JMF 12:0071cb144c7a 156
JMF 12:0071cb144c7a 157 /*
JMF 12:0071cb144c7a 158 * Helper for mbedtls_pk_sign and mbedtls_pk_verify
JMF 12:0071cb144c7a 159 */
JMF 12:0071cb144c7a 160 static inline int pk_hashlen_helper( mbedtls_md_type_t md_alg, size_t *hash_len )
JMF 12:0071cb144c7a 161 {
JMF 12:0071cb144c7a 162 const mbedtls_md_info_t *md_info;
JMF 12:0071cb144c7a 163
JMF 12:0071cb144c7a 164 if( *hash_len != 0 )
JMF 12:0071cb144c7a 165 return( 0 );
JMF 12:0071cb144c7a 166
JMF 12:0071cb144c7a 167 if( ( md_info = mbedtls_md_info_from_type( md_alg ) ) == NULL )
JMF 12:0071cb144c7a 168 return( -1 );
JMF 12:0071cb144c7a 169
JMF 12:0071cb144c7a 170 *hash_len = mbedtls_md_get_size( md_info );
JMF 12:0071cb144c7a 171 return( 0 );
JMF 12:0071cb144c7a 172 }
JMF 12:0071cb144c7a 173
JMF 12:0071cb144c7a 174 /*
JMF 12:0071cb144c7a 175 * Verify a signature
JMF 12:0071cb144c7a 176 */
JMF 12:0071cb144c7a 177 int mbedtls_pk_verify( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
JMF 12:0071cb144c7a 178 const unsigned char *hash, size_t hash_len,
JMF 12:0071cb144c7a 179 const unsigned char *sig, size_t sig_len )
JMF 12:0071cb144c7a 180 {
JMF 12:0071cb144c7a 181 if( ctx == NULL || ctx->pk_info == NULL ||
JMF 12:0071cb144c7a 182 pk_hashlen_helper( md_alg, &hash_len ) != 0 )
JMF 12:0071cb144c7a 183 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 184
JMF 12:0071cb144c7a 185 if( ctx->pk_info->verify_func == NULL )
JMF 12:0071cb144c7a 186 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 187
JMF 12:0071cb144c7a 188 return( ctx->pk_info->verify_func( ctx->pk_ctx, md_alg, hash, hash_len,
JMF 12:0071cb144c7a 189 sig, sig_len ) );
JMF 12:0071cb144c7a 190 }
JMF 12:0071cb144c7a 191
JMF 12:0071cb144c7a 192 /*
JMF 12:0071cb144c7a 193 * Verify a signature with options
JMF 12:0071cb144c7a 194 */
JMF 12:0071cb144c7a 195 int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
JMF 12:0071cb144c7a 196 mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
JMF 12:0071cb144c7a 197 const unsigned char *hash, size_t hash_len,
JMF 12:0071cb144c7a 198 const unsigned char *sig, size_t sig_len )
JMF 12:0071cb144c7a 199 {
JMF 12:0071cb144c7a 200 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 201 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 202
JMF 12:0071cb144c7a 203 if( ! mbedtls_pk_can_do( ctx, type ) )
JMF 12:0071cb144c7a 204 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 205
JMF 12:0071cb144c7a 206 if( type == MBEDTLS_PK_RSASSA_PSS )
JMF 12:0071cb144c7a 207 {
JMF 12:0071cb144c7a 208 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PKCS1_V21)
JMF 12:0071cb144c7a 209 int ret;
JMF 12:0071cb144c7a 210 const mbedtls_pk_rsassa_pss_options *pss_opts;
JMF 12:0071cb144c7a 211
JMF 12:0071cb144c7a 212 if( options == NULL )
JMF 12:0071cb144c7a 213 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 214
JMF 12:0071cb144c7a 215 pss_opts = (const mbedtls_pk_rsassa_pss_options *) options;
JMF 12:0071cb144c7a 216
JMF 12:0071cb144c7a 217 if( sig_len < mbedtls_pk_get_len( ctx ) )
JMF 12:0071cb144c7a 218 return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
JMF 12:0071cb144c7a 219
JMF 12:0071cb144c7a 220 ret = mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_pk_rsa( *ctx ),
JMF 12:0071cb144c7a 221 NULL, NULL, MBEDTLS_RSA_PUBLIC,
JMF 12:0071cb144c7a 222 md_alg, (unsigned int) hash_len, hash,
JMF 12:0071cb144c7a 223 pss_opts->mgf1_hash_id,
JMF 12:0071cb144c7a 224 pss_opts->expected_salt_len,
JMF 12:0071cb144c7a 225 sig );
JMF 12:0071cb144c7a 226 if( ret != 0 )
JMF 12:0071cb144c7a 227 return( ret );
JMF 12:0071cb144c7a 228
JMF 12:0071cb144c7a 229 if( sig_len > mbedtls_pk_get_len( ctx ) )
JMF 12:0071cb144c7a 230 return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
JMF 12:0071cb144c7a 231
JMF 12:0071cb144c7a 232 return( 0 );
JMF 12:0071cb144c7a 233 #else
JMF 12:0071cb144c7a 234 return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
JMF 12:0071cb144c7a 235 #endif
JMF 12:0071cb144c7a 236 }
JMF 12:0071cb144c7a 237
JMF 12:0071cb144c7a 238 /* General case: no options */
JMF 12:0071cb144c7a 239 if( options != NULL )
JMF 12:0071cb144c7a 240 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 241
JMF 12:0071cb144c7a 242 return( mbedtls_pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) );
JMF 12:0071cb144c7a 243 }
JMF 12:0071cb144c7a 244
JMF 12:0071cb144c7a 245 /*
JMF 12:0071cb144c7a 246 * Make a signature
JMF 12:0071cb144c7a 247 */
JMF 12:0071cb144c7a 248 int mbedtls_pk_sign( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
JMF 12:0071cb144c7a 249 const unsigned char *hash, size_t hash_len,
JMF 12:0071cb144c7a 250 unsigned char *sig, size_t *sig_len,
JMF 12:0071cb144c7a 251 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
JMF 12:0071cb144c7a 252 {
JMF 12:0071cb144c7a 253 if( ctx == NULL || ctx->pk_info == NULL ||
JMF 12:0071cb144c7a 254 pk_hashlen_helper( md_alg, &hash_len ) != 0 )
JMF 12:0071cb144c7a 255 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 256
JMF 12:0071cb144c7a 257 if( ctx->pk_info->sign_func == NULL )
JMF 12:0071cb144c7a 258 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 259
JMF 12:0071cb144c7a 260 return( ctx->pk_info->sign_func( ctx->pk_ctx, md_alg, hash, hash_len,
JMF 12:0071cb144c7a 261 sig, sig_len, f_rng, p_rng ) );
JMF 12:0071cb144c7a 262 }
JMF 12:0071cb144c7a 263
JMF 12:0071cb144c7a 264 /*
JMF 12:0071cb144c7a 265 * Decrypt message
JMF 12:0071cb144c7a 266 */
JMF 12:0071cb144c7a 267 int mbedtls_pk_decrypt( mbedtls_pk_context *ctx,
JMF 12:0071cb144c7a 268 const unsigned char *input, size_t ilen,
JMF 12:0071cb144c7a 269 unsigned char *output, size_t *olen, size_t osize,
JMF 12:0071cb144c7a 270 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
JMF 12:0071cb144c7a 271 {
JMF 12:0071cb144c7a 272 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 273 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 274
JMF 12:0071cb144c7a 275 if( ctx->pk_info->decrypt_func == NULL )
JMF 12:0071cb144c7a 276 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 277
JMF 12:0071cb144c7a 278 return( ctx->pk_info->decrypt_func( ctx->pk_ctx, input, ilen,
JMF 12:0071cb144c7a 279 output, olen, osize, f_rng, p_rng ) );
JMF 12:0071cb144c7a 280 }
JMF 12:0071cb144c7a 281
JMF 12:0071cb144c7a 282 /*
JMF 12:0071cb144c7a 283 * Encrypt message
JMF 12:0071cb144c7a 284 */
JMF 12:0071cb144c7a 285 int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
JMF 12:0071cb144c7a 286 const unsigned char *input, size_t ilen,
JMF 12:0071cb144c7a 287 unsigned char *output, size_t *olen, size_t osize,
JMF 12:0071cb144c7a 288 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
JMF 12:0071cb144c7a 289 {
JMF 12:0071cb144c7a 290 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 291 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 292
JMF 12:0071cb144c7a 293 if( ctx->pk_info->encrypt_func == NULL )
JMF 12:0071cb144c7a 294 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 295
JMF 12:0071cb144c7a 296 return( ctx->pk_info->encrypt_func( ctx->pk_ctx, input, ilen,
JMF 12:0071cb144c7a 297 output, olen, osize, f_rng, p_rng ) );
JMF 12:0071cb144c7a 298 }
JMF 12:0071cb144c7a 299
JMF 12:0071cb144c7a 300 /*
JMF 12:0071cb144c7a 301 * Check public-private key pair
JMF 12:0071cb144c7a 302 */
JMF 12:0071cb144c7a 303 int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv )
JMF 12:0071cb144c7a 304 {
JMF 12:0071cb144c7a 305 if( pub == NULL || pub->pk_info == NULL ||
JMF 12:0071cb144c7a 306 prv == NULL || prv->pk_info == NULL ||
JMF 12:0071cb144c7a 307 prv->pk_info->check_pair_func == NULL )
JMF 12:0071cb144c7a 308 {
JMF 12:0071cb144c7a 309 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 310 }
JMF 12:0071cb144c7a 311
JMF 12:0071cb144c7a 312 if( prv->pk_info->type == MBEDTLS_PK_RSA_ALT )
JMF 12:0071cb144c7a 313 {
JMF 12:0071cb144c7a 314 if( pub->pk_info->type != MBEDTLS_PK_RSA )
JMF 12:0071cb144c7a 315 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 316 }
JMF 12:0071cb144c7a 317 else
JMF 12:0071cb144c7a 318 {
JMF 12:0071cb144c7a 319 if( pub->pk_info != prv->pk_info )
JMF 12:0071cb144c7a 320 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 321 }
JMF 12:0071cb144c7a 322
JMF 12:0071cb144c7a 323 return( prv->pk_info->check_pair_func( pub->pk_ctx, prv->pk_ctx ) );
JMF 12:0071cb144c7a 324 }
JMF 12:0071cb144c7a 325
JMF 12:0071cb144c7a 326 /*
JMF 12:0071cb144c7a 327 * Get key size in bits
JMF 12:0071cb144c7a 328 */
JMF 12:0071cb144c7a 329 size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx )
JMF 12:0071cb144c7a 330 {
JMF 12:0071cb144c7a 331 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 332 return( 0 );
JMF 12:0071cb144c7a 333
JMF 12:0071cb144c7a 334 return( ctx->pk_info->get_bitlen( ctx->pk_ctx ) );
JMF 12:0071cb144c7a 335 }
JMF 12:0071cb144c7a 336
JMF 12:0071cb144c7a 337 /*
JMF 12:0071cb144c7a 338 * Export debug information
JMF 12:0071cb144c7a 339 */
JMF 12:0071cb144c7a 340 int mbedtls_pk_debug( const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items )
JMF 12:0071cb144c7a 341 {
JMF 12:0071cb144c7a 342 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 343 return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
JMF 12:0071cb144c7a 344
JMF 12:0071cb144c7a 345 if( ctx->pk_info->debug_func == NULL )
JMF 12:0071cb144c7a 346 return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
JMF 12:0071cb144c7a 347
JMF 12:0071cb144c7a 348 ctx->pk_info->debug_func( ctx->pk_ctx, items );
JMF 12:0071cb144c7a 349 return( 0 );
JMF 12:0071cb144c7a 350 }
JMF 12:0071cb144c7a 351
JMF 12:0071cb144c7a 352 /*
JMF 12:0071cb144c7a 353 * Access the PK type name
JMF 12:0071cb144c7a 354 */
JMF 12:0071cb144c7a 355 const char *mbedtls_pk_get_name( const mbedtls_pk_context *ctx )
JMF 12:0071cb144c7a 356 {
JMF 12:0071cb144c7a 357 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 358 return( "invalid PK" );
JMF 12:0071cb144c7a 359
JMF 12:0071cb144c7a 360 return( ctx->pk_info->name );
JMF 12:0071cb144c7a 361 }
JMF 12:0071cb144c7a 362
JMF 12:0071cb144c7a 363 /*
JMF 12:0071cb144c7a 364 * Access the PK type
JMF 12:0071cb144c7a 365 */
JMF 12:0071cb144c7a 366 mbedtls_pk_type_t mbedtls_pk_get_type( const mbedtls_pk_context *ctx )
JMF 12:0071cb144c7a 367 {
JMF 12:0071cb144c7a 368 if( ctx == NULL || ctx->pk_info == NULL )
JMF 12:0071cb144c7a 369 return( MBEDTLS_PK_NONE );
JMF 12:0071cb144c7a 370
JMF 12:0071cb144c7a 371 return( ctx->pk_info->type );
JMF 12:0071cb144c7a 372 }
JMF 12:0071cb144c7a 373
JMF 12:0071cb144c7a 374 #endif /* MBEDTLS_PK_C */