diff options
Diffstat (limited to 'sys/crypto/cast128/cast128.h')
| -rw-r--r-- | sys/crypto/cast128/cast128.h | 65 |
1 files changed, 18 insertions, 47 deletions
diff --git a/sys/crypto/cast128/cast128.h b/sys/crypto/cast128/cast128.h index 92fdad3..2ca39ba 100644 --- a/sys/crypto/cast128/cast128.h +++ b/sys/crypto/cast128/cast128.h @@ -1,55 +1,26 @@ /* $FreeBSD$ */ -/* $KAME: cast128.h,v 1.7 2001/11/27 09:47:32 sakane Exp $ */ +/* $NetBSD: cast128.h,v 1.6 2003/08/26 20:03:57 thorpej Exp $ */ +/* $OpenBSD: cast.h,v 1.2 2002/03/14 01:26:51 millert Exp $ */ /* - * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp> + * CAST-128 in C + * Written by Steve Reid <sreid@sea-to-sky.net> + * 100% Public Domain - no warranty + * Released 1997.10.11 */ -/* - * 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 +#ifndef _CAST128_H_ +#define _CAST128_H_ +typedef struct { + u_int32_t xkey[32]; /* Key, after expansion */ + int rounds; /* Number of rounds to use, 12 or 16 */ +} cast128_key; -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 +void cast128_setkey(cast128_key *key, const u_int8_t *rawkey, int keybytes); +void cast128_encrypt(const cast128_key *key, const u_int8_t *inblock, + u_int8_t *outblock); +void cast128_decrypt(const cast128_key *key, const u_int8_t *inblock, + u_int8_t *outblock); +#endif /* _CAST128_H_ */ |
