xref: /openssl/crypto/aes/aes_cbc.c (revision 33388b44)
1 /*
2  * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 /*
11  * AES low level APIs are deprecated for public use, but still ok for internal
12  * use where we're using them to implement the higher level EVP interface, as is
13  * the case here.
14  */
15 #include "internal/deprecated.h"
16 
17 #include <openssl/aes.h>
18 #include <openssl/modes.h>
19 
AES_cbc_encrypt(const unsigned char * in,unsigned char * out,size_t len,const AES_KEY * key,unsigned char * ivec,const int enc)20 void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
21                      size_t len, const AES_KEY *key,
22                      unsigned char *ivec, const int enc)
23 {
24 
25     if (enc)
26         CRYPTO_cbc128_encrypt(in, out, len, key, ivec,
27                               (block128_f) AES_encrypt);
28     else
29         CRYPTO_cbc128_decrypt(in, out, len, key, ivec,
30                               (block128_f) AES_decrypt);
31 }
32