diff options
Diffstat (limited to 'thirdparty/mbedtls/library/cmac.c')
| -rw-r--r-- | thirdparty/mbedtls/library/cmac.c | 94 |
1 files changed, 39 insertions, 55 deletions
diff --git a/thirdparty/mbedtls/library/cmac.c b/thirdparty/mbedtls/library/cmac.c index 409f67958e..3cc49d10cc 100644 --- a/thirdparty/mbedtls/library/cmac.c +++ b/thirdparty/mbedtls/library/cmac.c @@ -4,13 +4,7 @@ * \brief NIST SP800-38B compliant CMAC implementation for AES and 3DES * * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - * - * This file is provided under the Apache License 2.0, or the - * GNU General Public License v2.0 or later. - * - * ********** - * Apache License 2.0: + * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. @@ -23,27 +17,6 @@ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. - * - * ********** - * - * ********** - * GNU General Public License v2.0 or later: - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * ********** */ /* @@ -65,32 +38,17 @@ * */ -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif +#include "common.h" #if defined(MBEDTLS_CMAC_C) #include "mbedtls/cmac.h" #include "mbedtls/platform_util.h" +#include "mbedtls/error.h" +#include "mbedtls/platform.h" #include <string.h> - -#if defined(MBEDTLS_PLATFORM_C) -#include "mbedtls/platform.h" -#else -#include <stdlib.h> -#define mbedtls_calloc calloc -#define mbedtls_free free -#if defined(MBEDTLS_SELF_TEST) -#include <stdio.h> -#define mbedtls_printf printf -#endif /* MBEDTLS_SELF_TEST */ -#endif /* MBEDTLS_PLATFORM_C */ - #if !defined(MBEDTLS_CMAC_ALT) || defined(MBEDTLS_SELF_TEST) /* @@ -161,7 +119,7 @@ static int cmac_multiply_by_u( unsigned char *output, static int cmac_generate_subkeys( mbedtls_cipher_context_t *ctx, unsigned char* K1, unsigned char* K2 ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; unsigned char L[MBEDTLS_CIPHER_BLKSIZE_MAX]; size_t olen, block_size; @@ -340,7 +298,7 @@ int mbedtls_cipher_cmac_finish( mbedtls_cipher_context_t *ctx, unsigned char K1[MBEDTLS_CIPHER_BLKSIZE_MAX]; unsigned char K2[MBEDTLS_CIPHER_BLKSIZE_MAX]; unsigned char M_last[MBEDTLS_CIPHER_BLKSIZE_MAX]; - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t olen, block_size; if( ctx == NULL || ctx->cipher_info == NULL || ctx->cmac_ctx == NULL || @@ -418,7 +376,7 @@ int mbedtls_cipher_cmac( const mbedtls_cipher_info_t *cipher_info, unsigned char *output ) { mbedtls_cipher_context_t ctx; - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; if( cipher_info == NULL || key == NULL || input == NULL || output == NULL ) return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA ); @@ -452,7 +410,7 @@ int mbedtls_aes_cmac_prf_128( const unsigned char *key, size_t key_length, const unsigned char *input, size_t in_len, unsigned char output[16] ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; const mbedtls_cipher_info_t *cipher_info; unsigned char zero_key[MBEDTLS_AES_BLOCK_SIZE]; unsigned char int_key[MBEDTLS_AES_BLOCK_SIZE]; @@ -808,7 +766,7 @@ static int cmac_test_subkeys( int verbose, for( i = 0; i < num_tests; i++ ) { if( verbose != 0 ) - mbedtls_printf( " %s CMAC subkey #%u: ", testname, i + 1 ); + mbedtls_printf( " %s CMAC subkey #%d: ", testname, i + 1 ); mbedtls_cipher_init( &ctx ); @@ -823,6 +781,18 @@ static int cmac_test_subkeys( int verbose, if( ( ret = mbedtls_cipher_setkey( &ctx, key, keybits, MBEDTLS_ENCRYPT ) ) != 0 ) { + /* When CMAC is implemented by an alternative implementation, or + * the underlying primitive itself is implemented alternatively, + * AES-192 may be unavailable. This should not cause the selftest + * function to fail. */ + if( ( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED || + ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) && + cipher_type == MBEDTLS_CIPHER_AES_192_ECB ) { + if( verbose != 0 ) + mbedtls_printf( "skipped\n" ); + goto next_test; + } + if( verbose != 0 ) mbedtls_printf( "test execution failed\n" ); @@ -850,6 +820,7 @@ static int cmac_test_subkeys( int verbose, if( verbose != 0 ) mbedtls_printf( "passed\n" ); +next_test: mbedtls_cipher_free( &ctx ); } @@ -889,11 +860,24 @@ static int cmac_test_wth_cipher( int verbose, for( i = 0; i < num_tests; i++ ) { if( verbose != 0 ) - mbedtls_printf( " %s CMAC #%u: ", testname, i + 1 ); + mbedtls_printf( " %s CMAC #%d: ", testname, i + 1 ); if( ( ret = mbedtls_cipher_cmac( cipher_info, key, keybits, messages, message_lengths[i], output ) ) != 0 ) { + /* When CMAC is implemented by an alternative implementation, or + * the underlying primitive itself is implemented alternatively, + * AES-192 and/or 3DES may be unavailable. This should not cause + * the selftest function to fail. */ + if( ( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED || + ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) && + ( cipher_type == MBEDTLS_CIPHER_AES_192_ECB || + cipher_type == MBEDTLS_CIPHER_DES_EDE3_ECB ) ) { + if( verbose != 0 ) + mbedtls_printf( "skipped\n" ); + continue; + } + if( verbose != 0 ) mbedtls_printf( "failed\n" ); goto exit; @@ -919,12 +903,12 @@ exit: static int test_aes128_cmac_prf( int verbose ) { int i; - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; unsigned char output[MBEDTLS_AES_BLOCK_SIZE]; for( i = 0; i < NB_PRF_TESTS; i++ ) { - mbedtls_printf( " AES CMAC 128 PRF #%u: ", i ); + mbedtls_printf( " AES CMAC 128 PRF #%d: ", i ); ret = mbedtls_aes_cmac_prf_128( PRFK, PRFKlen[i], PRFM, 20, output ); if( ret != 0 || memcmp( output, PRFT[i], MBEDTLS_AES_BLOCK_SIZE ) != 0 ) @@ -946,7 +930,7 @@ static int test_aes128_cmac_prf( int verbose ) int mbedtls_cmac_self_test( int verbose ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; #if defined(MBEDTLS_AES_C) /* AES-128 */ |