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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
68 extern "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 */
78 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
79 
80 struct 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 
88 typedef struct camellia_key_st CAMELLIA_KEY;
89 
90 int Camellia_set_key(const unsigned char *userKey, const int bits,
91 	CAMELLIA_KEY *key);
92 
93 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
94 	const CAMELLIA_KEY *key);
95 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
96 	const CAMELLIA_KEY *key);
97 
98 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
99 	const CAMELLIA_KEY *key, const int enc);
100 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
101 	const unsigned long length, const CAMELLIA_KEY *key,
102 	unsigned char *ivec, const int enc);
103 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
104 	const unsigned long length, const CAMELLIA_KEY *key,
105 	unsigned char *ivec, int *num, const int enc);
106 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
107 	const unsigned long length, const CAMELLIA_KEY *key,
108 	unsigned char *ivec, int *num, const int enc);
109 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
110 	const unsigned long length, const CAMELLIA_KEY *key,
111 	unsigned char *ivec, int *num, const int enc);
112 void Camellia_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
113 	const int nbits,const CAMELLIA_KEY *key,
114 	unsigned char *ivec,const int enc);
115 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
116 	const unsigned long length, const CAMELLIA_KEY *key,
117 	unsigned char *ivec, int *num);
118 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
119 	const unsigned long length, const CAMELLIA_KEY *key,
120 	unsigned char ivec[CAMELLIA_BLOCK_SIZE],
121 	unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
122 	unsigned int *num);
123 
124 #ifdef  __cplusplus
125 }
126 #endif
127 
128 #endif /* !HEADER_Camellia_H */
129 
130