1 /* $NetBSD: cast128.h,v 1.4 2001/11/27 11:19:37 itojun 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 49 extern void set_cast128_subkey __P((u_int32_t *, u_int8_t *, int)); 50 extern void cast128_encrypt_round16 __P((u_int8_t *, const u_int8_t *, 51 u_int32_t *)); 52 extern void cast128_decrypt_round16 __P((u_int8_t *, const u_int8_t *, 53 u_int32_t *)); 54 extern void cast128_encrypt_round12 __P((u_int8_t *, const u_int8_t *, 55 u_int32_t *)); 56 extern void cast128_decrypt_round12 __P((u_int8_t *, const u_int8_t *, 57 u_int32_t *)); 58 #endif 59 60