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 * $FreeBSD$
28 */
29
30#ifndef _CAMELLIA_H
31#define _CAMELLIA_H
32
33#define CAMELLIA_BLOCK_SIZE 16
34#define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
35
36typedef struct {
37    int	bits;				      /* key-length */
38    uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
39} camellia_ctx;
40
41void camellia_set_key(camellia_ctx *, const u_char *, int);
42void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
43void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
44
45
46void Camellia_Ekeygen(const int keyBitLength,
47		      const unsigned char *rawKey,
48		      uint32_t *subkey);
49
50void Camellia_EncryptBlock(const int keyBitLength,
51			   const unsigned char *plaintext,
52			   const uint32_t *subkey,
53			   unsigned char *cipherText);
54
55void Camellia_DecryptBlock(const int keyBitLength,
56			   const unsigned char *cipherText,
57			   const uint32_t *subkey,
58			   unsigned char *plaintext);
59
60void camellia_setup128(const unsigned char *key, uint32_t *subkey);
61void camellia_setup192(const unsigned char *key, uint32_t *subkey);
62void camellia_setup256(const unsigned char *key, uint32_t *subkey);
63void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
64void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
65void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
66void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
67
68
69#endif /* _CAMELLIA_H */
70