1/* $NetBSD: camellia.h,v 1.1 2011/05/05 17:38:36 drochner Exp $ */
2
3/* camellia.h ver 1.1.0
4 *
5 * Copyright (c) 2006
6 * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer as
13 * the first lines of this file unmodified.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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