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