xref: /freebsd/crypto/openssl/include/openssl/camellia.h (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 #ifndef OPENSSL_CAMELLIA_H
11 # define OPENSSL_CAMELLIA_H
12 # pragma once
13 
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
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_BLOCK_SIZE 16
28 
29 # ifndef OPENSSL_NO_DEPRECATED_3_0
30 
31 #  define CAMELLIA_ENCRYPT        1
32 #  define CAMELLIA_DECRYPT        0
33 
34 /*
35  * Because array size can't be a const in C, the following two are macros.
36  * Both sizes are in bytes.
37  */
38 
39 /* This should be a hidden type, but EVP requires that the size be known */
40 
41 #  define CAMELLIA_TABLE_BYTE_LEN 272
42 #  define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
43 
44 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
45                                                                * with WORD */
46 
47 struct camellia_key_st {
48     union {
49         double d;               /* ensures 64-bit align */
50         KEY_TABLE_TYPE rd_key;
51     } u;
52     int grand_rounds;
53 };
54 typedef struct camellia_key_st CAMELLIA_KEY;
55 
56 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
57 # ifndef OPENSSL_NO_DEPRECATED_3_0
58 OSSL_DEPRECATEDIN_3_0 int Camellia_set_key(const unsigned char *userKey,
59                                            const int bits,
60                                            CAMELLIA_KEY *key);
61 OSSL_DEPRECATEDIN_3_0 void Camellia_encrypt(const unsigned char *in,
62                                             unsigned char *out,
63                                             const CAMELLIA_KEY *key);
64 OSSL_DEPRECATEDIN_3_0 void Camellia_decrypt(const unsigned char *in,
65                                             unsigned char *out,
66                                             const CAMELLIA_KEY *key);
67 OSSL_DEPRECATEDIN_3_0 void Camellia_ecb_encrypt(const unsigned char *in,
68                                                 unsigned char *out,
69                                                 const CAMELLIA_KEY *key,
70                                                 const int enc);
71 OSSL_DEPRECATEDIN_3_0 void Camellia_cbc_encrypt(const unsigned char *in,
72                                                 unsigned char *out,
73                                                 size_t length,
74                                                 const CAMELLIA_KEY *key,
75                                                 unsigned char *ivec,
76                                                 const int enc);
77 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb128_encrypt(const unsigned char *in,
78                                                    unsigned char *out,
79                                                    size_t length,
80                                                    const CAMELLIA_KEY *key,
81                                                    unsigned char *ivec,
82                                                    int *num,
83                                                    const int enc);
84 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb1_encrypt(const unsigned char *in,
85                                                  unsigned char *out,
86                                                  size_t length,
87                                                  const CAMELLIA_KEY *key,
88                                                  unsigned char *ivec,
89                                                  int *num,
90                                                  const int enc);
91 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb8_encrypt(const unsigned char *in,
92                                                  unsigned char *out,
93                                                  size_t length,
94                                                  const CAMELLIA_KEY *key,
95                                                  unsigned char *ivec,
96                                                  int *num,
97                                                  const int enc);
98 OSSL_DEPRECATEDIN_3_0 void Camellia_ofb128_encrypt(const unsigned char *in,
99                                                    unsigned char *out,
100                                                    size_t length,
101                                                    const CAMELLIA_KEY *key,
102                                                    unsigned char *ivec,
103                                                    int *num);
104 OSSL_DEPRECATEDIN_3_0
105 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
106                              size_t length, const CAMELLIA_KEY *key,
107                              unsigned char ivec[CAMELLIA_BLOCK_SIZE],
108                              unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
109                              unsigned int *num);
110 # endif
111 
112 # ifdef  __cplusplus
113 }
114 # endif
115 # endif
116 
117 #endif
118