EVP: Make the SIGNATURE implementation leaner
[openssl.git] / include / openssl / camellia.h
1 /*
2  * Copyright 2006-2016 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 #ifndef OPENSSL_CAMELLIA_H
11 # define OPENSSL_CAMELLIA_H
12 # pragma once
13
14 # include <openssl/macros.h>
15 # if !OPENSSL_API_3
16 #  define HEADER_CAMELLIA_H
17 # endif
18
19 # include <openssl/opensslconf.h>
20
21 # ifndef OPENSSL_NO_CAMELLIA
22 # include <stddef.h>
23 #ifdef  __cplusplus
24 extern "C" {
25 #endif
26
27 # define CAMELLIA_ENCRYPT        1
28 # define CAMELLIA_DECRYPT        0
29
30 /*
31  * Because array size can't be a const in C, the following two are macros.
32  * Both sizes are in bytes.
33  */
34
35 /* This should be a hidden type, but EVP requires that the size be known */
36
37 # define CAMELLIA_BLOCK_SIZE 16
38 # define CAMELLIA_TABLE_BYTE_LEN 272
39 # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
40
41 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
42                                                                * with WORD */
43
44 struct camellia_key_st {
45     union {
46         double d;               /* ensures 64-bit align */
47         KEY_TABLE_TYPE rd_key;
48     } u;
49     int grand_rounds;
50 };
51 typedef struct camellia_key_st CAMELLIA_KEY;
52
53 int Camellia_set_key(const unsigned char *userKey, const int bits,
54                      CAMELLIA_KEY *key);
55
56 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
57                       const CAMELLIA_KEY *key);
58 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
59                       const CAMELLIA_KEY *key);
60
61 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
62                           const CAMELLIA_KEY *key, const int enc);
63 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
64                           size_t length, const CAMELLIA_KEY *key,
65                           unsigned char *ivec, const int enc);
66 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
67                              size_t length, const CAMELLIA_KEY *key,
68                              unsigned char *ivec, int *num, const int enc);
69 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
70                            size_t length, const CAMELLIA_KEY *key,
71                            unsigned char *ivec, int *num, const int enc);
72 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
73                            size_t length, const CAMELLIA_KEY *key,
74                            unsigned char *ivec, int *num, const int enc);
75 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
76                              size_t length, const CAMELLIA_KEY *key,
77                              unsigned char *ivec, int *num);
78 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
79                              size_t length, const CAMELLIA_KEY *key,
80                              unsigned char ivec[CAMELLIA_BLOCK_SIZE],
81                              unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
82                              unsigned int *num);
83
84 # ifdef  __cplusplus
85 }
86 # endif
87 # endif
88
89 #endif