xref: /freebsd/crypto/openssl/crypto/camellia/cmll_cfb.c (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1 /*
2  * Copyright 2006-2020 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  * Camellia low level APIs are deprecated for public use, but still ok for
12  * internal use.
13  */
14 #include "internal/deprecated.h"
15 
16 #include <openssl/camellia.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 
Camellia_cfb128_encrypt(const unsigned char * in,unsigned char * out,size_t length,const CAMELLIA_KEY * key,unsigned char * ivec,int * num,const int enc)25 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
26                              size_t length, const CAMELLIA_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) Camellia_encrypt);
32 }
33 
34 /* N.B. This expects the input to be packed, MS bit first */
Camellia_cfb1_encrypt(const unsigned char * in,unsigned char * out,size_t length,const CAMELLIA_KEY * key,unsigned char * ivec,int * num,const int enc)35 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
36                            size_t length, const CAMELLIA_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) Camellia_encrypt);
41 }
42 
Camellia_cfb8_encrypt(const unsigned char * in,unsigned char * out,size_t length,const CAMELLIA_KEY * key,unsigned char * ivec,int * num,const int enc)43 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
44                            size_t length, const CAMELLIA_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) Camellia_encrypt);
49 }
50