OpenSSL  1.0.1c
 All Classes Files Functions Variables Typedefs Enumerations Enumerator Macros
camellia.h
Go to the documentation of this file.
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
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 /* Because array size can't be a const in C, the following two are macros.
67  Both sizes are in bytes. */
68 
69 #ifdef __cplusplus
70 extern "C" {
71 #endif
72 
73 /* This should be a hidden type, but EVP requires that the size be known */
74 
75 #define CAMELLIA_BLOCK_SIZE 16
76 #define CAMELLIA_TABLE_BYTE_LEN 272
77 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
78 
79 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */
80 
81 struct camellia_key_st
82  {
83  union {
84  double d; /* ensures 64-bit align */
85  KEY_TABLE_TYPE rd_key;
86  } u;
87  int grand_rounds;
88  };
90 
91 #ifdef OPENSSL_FIPS
92 int private_Camellia_set_key(const unsigned char *userKey, const int bits,
93  CAMELLIA_KEY *key);
94 #endif
95 int Camellia_set_key(const unsigned char *userKey, const int bits,
96  CAMELLIA_KEY *key);
97 
98 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
99  const CAMELLIA_KEY *key);
100 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
101  const CAMELLIA_KEY *key);
102 
103 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
104  const CAMELLIA_KEY *key, const int enc);
105 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
106  size_t length, const CAMELLIA_KEY *key,
107  unsigned char *ivec, const int enc);
108 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
109  size_t length, const CAMELLIA_KEY *key,
110  unsigned char *ivec, int *num, const int enc);
111 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
112  size_t length, const CAMELLIA_KEY *key,
113  unsigned char *ivec, int *num, const int enc);
114 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
115  size_t length, const CAMELLIA_KEY *key,
116  unsigned char *ivec, int *num, const int enc);
117 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
118  size_t length, const CAMELLIA_KEY *key,
119  unsigned char *ivec, int *num);
120 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
121  size_t length, const CAMELLIA_KEY *key,
122  unsigned char ivec[CAMELLIA_BLOCK_SIZE],
123  unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
124  unsigned int *num);
125 
126 #ifdef __cplusplus
127 }
128 #endif
129 
130 #endif /* !HEADER_Camellia_H */