camellia.h revision 296341 
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# include <stddef.h>
62
63# define CAMELLIA_ENCRYPT        1
64# define CAMELLIA_DECRYPT        0
65
66/*
67 * Because array size can't be a const in C, the following two are macros.
68 * Both sizes are in bytes.
69 */
70
71#ifdef  __cplusplus
72extern "C" {
73#endif
74
75/* This should be a hidden type, but EVP requires that the size be known */
76
77# define CAMELLIA_BLOCK_SIZE 16
78# define CAMELLIA_TABLE_BYTE_LEN 272
79# define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
80
81typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
82                                                               * with WORD */
83
84struct camellia_key_st {
85    union {
86        double d;               /* ensures 64-bit align */
87        KEY_TABLE_TYPE rd_key;
88    } u;
89    int grand_rounds;
90};
91typedef struct camellia_key_st CAMELLIA_KEY;
92
93# ifdef OPENSSL_FIPS
94int private_Camellia_set_key(const unsigned char *userKey, const int bits,
95                             CAMELLIA_KEY *key);
96# endif
97int Camellia_set_key(const unsigned char *userKey, const int bits,
98                     CAMELLIA_KEY *key);
99
100void Camellia_encrypt(const unsigned char *in, unsigned char *out,
101                      const CAMELLIA_KEY *key);
102void Camellia_decrypt(const unsigned char *in, unsigned char *out,
103                      const CAMELLIA_KEY *key);
104
105void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
106                          const CAMELLIA_KEY *key, const int enc);
107void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
108                          size_t length, const CAMELLIA_KEY *key,
109                          unsigned char *ivec, const int enc);
110void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
111                             size_t length, const CAMELLIA_KEY *key,
112                             unsigned char *ivec, int *num, const int enc);
113void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
114                           size_t length, const CAMELLIA_KEY *key,
115                           unsigned char *ivec, int *num, const int enc);
116void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
117                           size_t length, const CAMELLIA_KEY *key,
118                           unsigned char *ivec, int *num, const int enc);
119void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
120                             size_t length, const CAMELLIA_KEY *key,
121                             unsigned char *ivec, int *num);
122void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
123                             size_t length, const CAMELLIA_KEY *key,
124                             unsigned char ivec[CAMELLIA_BLOCK_SIZE],
125                             unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
126                             unsigned int *num);
127
128#ifdef  __cplusplus
129}
130#endif
131
132#endif                          /* !HEADER_Camellia_H */
133