Fixed HMAC for SHA-384 and SHA-512 with keys longer than 64 bytes.
[libgcrypt.git] / cipher / camellia.h
1 /* camellia.h   ver 1.2.0
2  *
3  * Copyright (C) 2006,2007
4  * NTT (Nippon Telegraph and Telephone Corporation).
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20
21 #ifndef HEADER_CAMELLIA_H
22 #define HEADER_CAMELLIA_H
23
24 /* To use Camellia with libraries it is often useful to keep the name
25  * space of the library clean.  The following macro is thus useful:
26  *
27  *     #define CAMELLIA_EXT_SYM_PREFIX foo_
28  *  
29  * This prefixes all external symbols with "foo_".
30  */
31 #ifdef HAVE_CONFIG_H
32 #include <config.h>
33 #endif
34 #ifdef CAMELLIA_EXT_SYM_PREFIX
35 #define CAMELLIA_PREFIX1(x,y) x ## y
36 #define CAMELLIA_PREFIX2(x,y) CAMELLIA_PREFIX1(x,y)
37 #define CAMELLIA_PREFIX(x)    CAMELLIA_PREFIX2(CAMELLIA_EXT_SYM_PREFIX,x)
38 #define Camellia_Ekeygen      CAMELLIA_PREFIX(Camellia_Ekeygen)
39 #define Camellia_EncryptBlock CAMELLIA_PREFIX(Camellia_EncryptBlock)
40 #define Camellia_DecryptBlock CAMELLIA_PREFIX(Camellia_DecryptBlock)
41 #define camellia_decrypt128   CAMELLIA_PREFIX(camellia_decrypt128)
42 #define camellia_decrypt256   CAMELLIA_PREFIX(camellia_decrypt256)
43 #define camellia_encrypt128   CAMELLIA_PREFIX(camellia_encrypt128)
44 #define camellia_encrypt256   CAMELLIA_PREFIX(camellia_encrypt256)
45 #define camellia_setup128     CAMELLIA_PREFIX(camellia_setup128)
46 #define camellia_setup192     CAMELLIA_PREFIX(camellia_setup192) 
47 #define camellia_setup256     CAMELLIA_PREFIX(camellia_setup256)
48 #endif /*CAMELLIA_EXT_SYM_PREFIX*/
49
50
51 #ifdef  __cplusplus
52 extern "C" {
53 #endif
54
55 #define CAMELLIA_BLOCK_SIZE 16
56 #define CAMELLIA_TABLE_BYTE_LEN 272
57 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
58
59 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
60
61
62 void Camellia_Ekeygen(const int keyBitLength,
63                       const unsigned char *rawKey, 
64                       KEY_TABLE_TYPE keyTable);
65
66 void Camellia_EncryptBlock(const int keyBitLength,
67                            const unsigned char *plaintext, 
68                            const KEY_TABLE_TYPE keyTable, 
69                            unsigned char *cipherText);
70
71 void Camellia_DecryptBlock(const int keyBitLength, 
72                            const unsigned char *cipherText, 
73                            const KEY_TABLE_TYPE keyTable, 
74                            unsigned char *plaintext);
75
76
77 #ifdef  __cplusplus
78 }
79 #endif
80
81 #endif /* HEADER_CAMELLIA_H */