bsd/crypto/cast128/cast128.h

   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
  49 extern void set_cast128_subkey(u_int32_t *, u_int8_t *, int);
  50 extern void cast128_encrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
  51 extern void cast128_decrypt_round16(u_int8_t *, const u_int8_t *, u_int32_t *);
  52 extern void cast128_encrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
  53 extern void cast128_decrypt_round12(u_int8_t *, const u_int8_t *, u_int32_t *);
  54 #endif
  55