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/* $FreeBSD$ */
/* $KAME: cast128.h,v 1.7 2001/11/27 09:47:32 sakane Exp $ */
/*
* heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
*/
/*
* The CAST-128 Encryption Algorithm (RFC 2144)
*
* original implementation <Hideo "Sir MaNMOS" Morisita>
* 1997/08/21
*/
/*
* Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef RFC2144_CAST_128_H
#define RFC2144_CAST_128_H
#include <sys/param.h>
#define CAST128_ENCRYPT 1
#define CAST128_DECRYPT 0
extern void set_cast128_subkey(u_int32_t *, u_int8_t *, int);
extern void cast128_encrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
extern void cast128_decrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
extern void cast128_encrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
extern void cast128_decrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
#endif
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