Speed-up SHA-1 NEON assembly implementation
[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 /* USE_ARM_ASM indicates whether to use ARM assembly code. */
34 # undef USE_ARM_ASM
35 # if defined(__ARMEL__)
36 #  ifdef HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS
37 #   define USE_ARM_ASM 1
38 #  endif
39 # endif
40 #endif
41 #ifdef CAMELLIA_EXT_SYM_PREFIX
42 #define CAMELLIA_PREFIX1(x,y) x ## y
43 #define CAMELLIA_PREFIX2(x,y) CAMELLIA_PREFIX1(x,y)
44 #define CAMELLIA_PREFIX(x)    CAMELLIA_PREFIX2(CAMELLIA_EXT_SYM_PREFIX,x)
45 #define Camellia_Ekeygen      CAMELLIA_PREFIX(Camellia_Ekeygen)
46 #define Camellia_EncryptBlock CAMELLIA_PREFIX(Camellia_EncryptBlock)
47 #define Camellia_DecryptBlock CAMELLIA_PREFIX(Camellia_DecryptBlock)
48 #define camellia_decrypt128   CAMELLIA_PREFIX(camellia_decrypt128)
49 #define camellia_decrypt256   CAMELLIA_PREFIX(camellia_decrypt256)
50 #define camellia_encrypt128   CAMELLIA_PREFIX(camellia_encrypt128)
51 #define camellia_encrypt256   CAMELLIA_PREFIX(camellia_encrypt256)
52 #define camellia_setup128     CAMELLIA_PREFIX(camellia_setup128)
53 #define camellia_setup192     CAMELLIA_PREFIX(camellia_setup192)
54 #define camellia_setup256     CAMELLIA_PREFIX(camellia_setup256)
55 #endif /*CAMELLIA_EXT_SYM_PREFIX*/
56
57
58 #ifdef  __cplusplus
59 extern "C" {
60 #endif
61
62 #define CAMELLIA_BLOCK_SIZE 16
63 #define CAMELLIA_TABLE_BYTE_LEN 272
64 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
65
66 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
67
68
69 void Camellia_Ekeygen(const int keyBitLength,
70                       const unsigned char *rawKey,
71                       KEY_TABLE_TYPE keyTable);
72
73 #ifndef USE_ARM_ASM
74 void Camellia_EncryptBlock(const int keyBitLength,
75                            const unsigned char *plaintext,
76                            const KEY_TABLE_TYPE keyTable,
77                            unsigned char *cipherText);
78
79 void Camellia_DecryptBlock(const int keyBitLength,
80                            const unsigned char *cipherText,
81                            const KEY_TABLE_TYPE keyTable,
82                            unsigned char *plaintext);
83 #endif /*!USE_ARMV6_ASM*/
84
85
86 #ifdef  __cplusplus
87 }
88 #endif
89
90 #endif /* HEADER_CAMELLIA_H */