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aa6bb135 RS |
1 | /* |
2 | * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. | |
97879bcd | 3 | * |
aa6bb135 RS |
4 | * Licensed under the OpenSSL license (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 | |
97879bcd | 8 | */ |
97879bcd | 9 | |
97879bcd | 10 | #include <openssl/aes.h> |
5d48a66a | 11 | #include <openssl/modes.h> |
21f0db69 | 12 | |
0f113f3e MC |
13 | /* |
14 | * The input and output encrypted as though 128bit cfb mode is being used. | |
15 | * The extra state information to record how much of the 128bit block we have | |
16 | * used is contained in *num; | |
97879bcd RL |
17 | */ |
18 | ||
19 | void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
20 | size_t length, const AES_KEY *key, |
21 | unsigned char *ivec, int *num, const int enc) | |
22 | { | |
97879bcd | 23 | |
0f113f3e MC |
24 | CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, |
25 | (block128_f) AES_encrypt); | |
97879bcd RL |
26 | } |
27 | ||
8d1ebe0b RL |
28 | /* N.B. This expects the input to be packed, MS bit first */ |
29 | void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
30 | size_t length, const AES_KEY *key, |
31 | unsigned char *ivec, int *num, const int enc) | |
32 | { | |
33 | CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc, | |
34 | (block128_f) AES_encrypt); | |
35 | } | |
8d1ebe0b RL |
36 | |
37 | void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
38 | size_t length, const AES_KEY *key, |
39 | unsigned char *ivec, int *num, const int enc) | |
40 | { | |
41 | CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc, | |
42 | (block128_f) AES_encrypt); | |
43 | } |