1/* camellia.h ver 1.1.0
2 *
3 * Copyright (c) 2006
4 * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *   notice, this list of conditions and the following disclaimer as
11 *   the first lines of this file unmodified.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *   notice, this list of conditions and the following disclaimer in the
14 *   documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef _CAMELLIA_H
29#define _CAMELLIA_H
30
31#define CAMELLIA_BLOCK_SIZE 16
32#define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
33
34typedef struct {
35    int	bits;				      /* key-length */
36    uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
37} camellia_ctx;
38
39void camellia_set_key(camellia_ctx *, const u_char *, int);
40void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
41void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
42
43
44void Camellia_Ekeygen(const int keyBitLength,
45		      const unsigned char *rawKey,
46		      uint32_t *subkey);
47
48void Camellia_EncryptBlock(const int keyBitLength,
49			   const unsigned char *plaintext,
50			   const uint32_t *subkey,
51			   unsigned char *cipherText);
52
53void Camellia_DecryptBlock(const int keyBitLength,
54			   const unsigned char *cipherText,
55			   const uint32_t *subkey,
56			   unsigned char *plaintext);
57
58void camellia_setup128(const unsigned char *key, uint32_t *subkey);
59void camellia_setup192(const unsigned char *key, uint32_t *subkey);
60void camellia_setup256(const unsigned char *key, uint32_t *subkey);
61void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
62void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
63void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
64void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
65
66
67#endif /* _CAMELLIA_H */
68