diff options
Diffstat (limited to 'thirdparty/mbedtls/library/hkdf.c')
| -rw-r--r-- | thirdparty/mbedtls/library/hkdf.c | 44 |
1 files changed, 8 insertions, 36 deletions
diff --git a/thirdparty/mbedtls/library/hkdf.c b/thirdparty/mbedtls/library/hkdf.c index 4a8bdfbe18..5013729d2a 100644 --- a/thirdparty/mbedtls/library/hkdf.c +++ b/thirdparty/mbedtls/library/hkdf.c @@ -2,13 +2,7 @@ * HKDF implementation -- RFC 5869 * * 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. @@ -21,46 +15,22 @@ * 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. - * - * ********** */ -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif +#include "common.h" #if defined(MBEDTLS_HKDF_C) #include <string.h> #include "mbedtls/hkdf.h" #include "mbedtls/platform_util.h" +#include "mbedtls/error.h" int mbedtls_hkdf( const mbedtls_md_info_t *md, const unsigned char *salt, size_t salt_len, const unsigned char *ikm, size_t ikm_len, const unsigned char *info, size_t info_len, unsigned char *okm, size_t okm_len ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; unsigned char prk[MBEDTLS_MD_MAX_SIZE]; ret = mbedtls_hkdf_extract( md, salt, salt_len, ikm, ikm_len, prk ); @@ -139,7 +109,7 @@ int mbedtls_hkdf_expand( const mbedtls_md_info_t *md, const unsigned char *prk, n = okm_len / hash_len; - if( (okm_len % hash_len) != 0 ) + if( okm_len % hash_len != 0 ) { n++; } @@ -155,11 +125,13 @@ int mbedtls_hkdf_expand( const mbedtls_md_info_t *md, const unsigned char *prk, mbedtls_md_init( &ctx ); - if( (ret = mbedtls_md_setup( &ctx, md, 1) ) != 0 ) + if( ( ret = mbedtls_md_setup( &ctx, md, 1 ) ) != 0 ) { goto exit; } + memset( t, 0, hash_len ); + /* * Compute T = T(1) | T(2) | T(3) | ... | T(N) * Where T(N) is defined in RFC 5869 Section 2.3 |