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cast128.h revision 1.1 
      1 /*	$NetBSD: cast128.h,v 1.1 2000/06/14 19:45:34 thorpej Exp $	*/
      2 /*	$KAME: cast128.h,v 1.4 2000/06/14 10:41:16 itojun Exp $	*/
      3 
      4 /*
      5  * heavily modified by Tomomi Suzuki <suzuki (at) 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 #include <sys/mbuf.h>
     44 
     45 
     46 #define	CAST128_ENCRYPT	1
     47 #define	CAST128_DECRYPT	0
     48 
     49 
     50 extern void set_cast128_subkey __P((u_int32_t *, u_int8_t *));
     51 extern void cast128_encrypt_round16 __P((u_int8_t *, const u_int8_t *,
     52 					u_int32_t *));
     53 extern void cast128_decrypt_round16 __P((u_int8_t *, const u_int8_t *,
     54 					u_int32_t *));
     55 extern void cast128_encrypt_round12 __P((u_int8_t *, const u_int8_t *,
     56 					u_int32_t *));
     57 extern void cast128_decrypt_round12 __P((u_int8_t *, const u_int8_t *,
     58 					u_int32_t *));
     59 extern int cast128_cbc_process __P((struct mbuf *, size_t, size_t,
     60 				u_int32_t *, u_int8_t *, size_t, int));
     61 
     62 #endif
     63 
     64