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_encrypt is deprecated - but we need to use it to implement these other
12 * deprecated APIs.
13 */
14 #include "internal/deprecated.h"
15
16 #include <openssl/aes.h>
17 #include <openssl/modes.h>
18
19 /*
20 * The input and output encrypted as though 128bit cfb mode is being used.
21 * The extra state information to record how much of the 128bit block we have
22 * used is contained in *num;
23 */
24
AES_cfb128_encrypt(const unsigned char * in,unsigned char * out,size_t length,const AES_KEY * key,unsigned char * ivec,int * num,const int enc)25 void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
26 size_t length, const AES_KEY *key,
27 unsigned char *ivec, int *num, const int enc)
28 {
29
30 CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
31 (block128_f) AES_encrypt);
32 }
33
34 /* N.B. This expects the input to be packed, MS bit first */
AES_cfb1_encrypt(const unsigned char * in,unsigned char * out,size_t length,const AES_KEY * key,unsigned char * ivec,int * num,const int enc)35 void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
36 size_t length, const AES_KEY *key,
37 unsigned char *ivec, int *num, const int enc)
38 {
39 CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
40 (block128_f) AES_encrypt);
41 }
42
AES_cfb8_encrypt(const unsigned char * in,unsigned char * out,size_t length,const AES_KEY * key,unsigned char * ivec,int * num,const int enc)43 void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
44 size_t length, const AES_KEY *key,
45 unsigned char *ivec, int *num, const int enc)
46 {
47 CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
48 (block128_f) AES_encrypt);
49 }
50