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1/* crypto/camellia/camellia.h -*- mode:C; c-file-style: "eay" -*- */
2/* ====================================================================
3 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 */
51
52#ifndef HEADER_CAMELLIA_H
53#define HEADER_CAMELLIA_H
54
55#include <openssl/opensslconf.h>
56
57#ifdef OPENSSL_NO_CAMELLIA
58#error CAMELLIA is disabled.
59#endif
60
61#define CAMELLIA_ENCRYPT 1
62#define CAMELLIA_DECRYPT 0
63
64/* Because array size can't be a const in C, the following two are macros.
65 Both sizes are in bytes. */
66
67#ifdef __cplusplus
68extern "C" {
69#endif
70
71/* This should be a hidden type, but EVP requires that the size be known */
72
73#define CAMELLIA_BLOCK_SIZE 16
74#define CAMELLIA_TABLE_BYTE_LEN 272
75#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
76
77 /* to match with WORD */
78typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
79
80struct camellia_key_st
81 {
82 KEY_TABLE_TYPE rd_key;
83 int bitLength;
84 void (*enc)(const unsigned int *subkey, unsigned int *io);
85 void (*dec)(const unsigned int *subkey, unsigned int *io);
86 };
87
88typedef struct camellia_key_st CAMELLIA_KEY;
89
90#ifdef OPENSSL_FIPS
91int private_Camellia_set_key(const unsigned char *userKey, const int bits,
92 CAMELLIA_KEY *key);
93#endif
94
95int Camellia_set_key(const unsigned char *userKey, const int bits,
96 CAMELLIA_KEY *key);
97
98void Camellia_encrypt(const unsigned char *in, unsigned char *out,
99 const CAMELLIA_KEY *key);
100void Camellia_decrypt(const unsigned char *in, unsigned char *out,
101 const CAMELLIA_KEY *key);
102
103void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
104 const CAMELLIA_KEY *key, const int enc);
105void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
106 const unsigned long length, const CAMELLIA_KEY *key,
107 unsigned char *ivec, const int enc);
108void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
109 const unsigned long length, const CAMELLIA_KEY *key,
110 unsigned char *ivec, int *num, const int enc);
111void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
112 const unsigned long length, const CAMELLIA_KEY *key,
113 unsigned char *ivec, int *num, const int enc);
114void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
115 const unsigned long length, const CAMELLIA_KEY *key,
116 unsigned char *ivec, int *num, const int enc);
117void Camellia_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
118 const int nbits,const CAMELLIA_KEY *key,
119 unsigned char *ivec,const int enc);
120void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
121 const unsigned long length, const CAMELLIA_KEY *key,
122 unsigned char *ivec, int *num);
123void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
124 const unsigned long length, const CAMELLIA_KEY *key,
125 unsigned char ivec[CAMELLIA_BLOCK_SIZE],
126 unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
127 unsigned int *num);
128
129#ifdef __cplusplus
130}
131#endif
132
133#endif /* !HEADER_Camellia_H */
134