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 # if defined(__AARCH64EL__)
41 #  ifdef HAVE_COMPATIBLE_GCC_AARCH64_PLATFORM_AS
42 #   define USE_ARM_ASM 1
43 #  endif
44 # endif
45 #endif
46 #ifdef CAMELLIA_EXT_SYM_PREFIX
47 #define CAMELLIA_PREFIX1(x,y) x ## y
48 #define CAMELLIA_PREFIX2(x,y) CAMELLIA_PREFIX1(x,y)
49 #define CAMELLIA_PREFIX(x)    CAMELLIA_PREFIX2(CAMELLIA_EXT_SYM_PREFIX,x)
50 #define Camellia_Ekeygen      CAMELLIA_PREFIX(Camellia_Ekeygen)
51 #define Camellia_EncryptBlock CAMELLIA_PREFIX(Camellia_EncryptBlock)
52 #define Camellia_DecryptBlock CAMELLIA_PREFIX(Camellia_DecryptBlock)
53 #define camellia_decrypt128   CAMELLIA_PREFIX(camellia_decrypt128)
54 #define camellia_decrypt256   CAMELLIA_PREFIX(camellia_decrypt256)
55 #define camellia_encrypt128   CAMELLIA_PREFIX(camellia_encrypt128)
56 #define camellia_encrypt256   CAMELLIA_PREFIX(camellia_encrypt256)
57 #define camellia_setup128     CAMELLIA_PREFIX(camellia_setup128)
58 #define camellia_setup192     CAMELLIA_PREFIX(camellia_setup192)
59 #define camellia_setup256     CAMELLIA_PREFIX(camellia_setup256)
60 #endif /*CAMELLIA_EXT_SYM_PREFIX*/
61 
62 
63 #ifdef  __cplusplus
64 extern "C" {
65 #endif
66 
67 #define CAMELLIA_BLOCK_SIZE 16
68 #define CAMELLIA_TABLE_BYTE_LEN 272
69 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
70 
71 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
72 
73 
74 void Camellia_Ekeygen(const int keyBitLength,
75 		      const unsigned char *rawKey,
76 		      KEY_TABLE_TYPE keyTable);
77 
78 #ifndef USE_ARM_ASM
79 void Camellia_EncryptBlock(const int keyBitLength,
80 			   const unsigned char *plaintext,
81 			   const KEY_TABLE_TYPE keyTable,
82 			   unsigned char *cipherText);
83 
84 void Camellia_DecryptBlock(const int keyBitLength,
85 			   const unsigned char *cipherText,
86 			   const KEY_TABLE_TYPE keyTable,
87 			   unsigned char *plaintext);
88 #endif /*!USE_ARM_ASM*/
89 
90 
91 #ifdef  __cplusplus
92 }
93 #endif
94 
95 #endif /* HEADER_CAMELLIA_H */
96