sys/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 /*      $DragonFly: src/sys/crypto/cast128/cast128.h,v 1.3 2003/08/27 10:59:04 rob Exp $        */
   3 /*      $KAME: cast128.h,v 1.7 2001/11/27 09:47:32 sakane Exp $ */
   4
   5 /*
   6  * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
   7  */
   8 /*
   9  * The CAST-128 Encryption Algorithm (RFC 2144)
  10  *
  11  * original implementation <Hideo "Sir MaNMOS" Morisita>
  12  * 1997/08/21
  13  */
  14 /*
  15  * Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
  16  * All rights reserved.
  17  *
  18  * Redistribution and use in source and binary forms, with or without
  19  * modification, are permitted provided that the following conditions
  20  * are met:
  21  * 1. Redistributions of source code must retain the above copyright
  22  *    notice, this list of conditions and the following disclaimer.
  23  * 2. Redistributions in binary form must reproduce the above copyright
  24  *    notice, this list of conditions and the following disclaimer in the
  25  *    documentation and/or other materials provided with the distribution.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
  28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  30  * ARE DISCLAIMED.  IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
  31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  37  * SUCH DAMAGE.
  38  */
  39
  40 #ifndef RFC2144_CAST_128_H
  41 #define RFC2144_CAST_128_H
  42
  43 #include <sys/param.h>
  44
  45
  46 #define CAST128_ENCRYPT 1
  47 #define CAST128_DECRYPT 0
  48
  49
  50 extern void set_cast128_subkey (u_int32_t *, u_int8_t *, int);
  51 extern void cast128_encrypt_round16 (u_int8_t *, const u_int8_t *,
  52                                         u_int32_t *);
  53 extern void cast128_decrypt_round16 (u_int8_t *, const u_int8_t *,
  54                                         u_int32_t *);
  55 extern void cast128_encrypt_round12 (u_int8_t *, const u_int8_t *,
  56                                         u_int32_t *);
  57 extern void cast128_decrypt_round12 (u_int8_t *, const u_int8_t *,
  58                                         u_int32_t *);
  59 #endif
  60