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Diffstat (limited to 'thirdparty/mbedtls/library/cipher.c')
-rw-r--r--thirdparty/mbedtls/library/cipher.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/thirdparty/mbedtls/library/cipher.c b/thirdparty/mbedtls/library/cipher.c
index 273997577b..57da0b9c44 100644
--- a/thirdparty/mbedtls/library/cipher.c
+++ b/thirdparty/mbedtls/library/cipher.c
@@ -5,8 +5,14 @@
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
- * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- * SPDX-License-Identifier: Apache-2.0
+ * 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:
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
@@ -20,7 +26,26 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*
- * This file is part of mbed TLS (https://tls.mbed.org)
+ * **********
+ *
+ * **********
+ * 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)
@@ -361,6 +386,10 @@ int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *i
*olen = 0;
block_size = mbedtls_cipher_get_block_size( ctx );
+ if ( 0 == block_size )
+ {
+ return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
+ }
if( ctx->cipher_info->mode == MBEDTLS_MODE_ECB )
{
@@ -396,11 +425,6 @@ int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *i
}
#endif
- if ( 0 == block_size )
- {
- return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
- }
-
if( input == output &&
( ctx->unprocessed_len != 0 || ilen % block_size ) )
{
@@ -459,11 +483,6 @@ int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *i
*/
if( 0 != ilen )
{
- if( 0 == block_size )
- {
- return( MBEDTLS_ERR_CIPHER_INVALID_CONTEXT );
- }
-
/* Encryption: only cache partial blocks
* Decryption w/ padding: always keep at least one whole block
* Decryption w/o padding: only cache partial blocks