1/*	$FreeBSD: src/sys/crypto/cast128/cast128.h,v 1.1.2.3 2001/12/05 05:54:57 ume Exp $	*/
2/*	$KAME: cast128.h,v 1.7 2001/11/27 09:47:32 sakane Exp $	*/
3
4/*
5 * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
6 */
7/*
8 * The CAST-128 Encryption Algorithm (RFC 2144)
9 *
10 * original implementation <Hideo "Sir MaNMOS" Morisita>
11 * 1997/08/21
12 */
13/*
14 * Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 *    notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 *    notice, this list of conditions and the following disclaimer in the
24 *    documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 */
38
39#ifndef RFC2144_CAST_128_H
40#define RFC2144_CAST_128_H
41
42#include <sys/param.h>
43
44
45#define	CAST128_ENCRYPT	1
46#define	CAST128_DECRYPT	0
47
48
49extern void set_cast128_subkey(u_int32_t *, u_int8_t *, int);
50extern void cast128_encrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
51extern void cast128_decrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
52extern void cast128_encrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
53extern void cast128_decrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
54#endif
55
56