bsd/crypto/cast128/cast128.h

   1 /*
   2  * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
   3  */
   4 /*
   5  * The CAST-128 Encryption Algorithm (RFC 2144)
   6  *
   7  * original implementation <Hideo "Sir MaNMOS" Morisita>
   8  * 1997/08/21
   9  */
  10 /*
  11  * Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
  12  * All rights reserved.
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions
  16  * are met:
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in the
  21  *    documentation and/or other materials provided with the distribution.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #ifndef RFC2144_CAST_128_H
  37 #define RFC2144_CAST_128_H
  38
  39 #include <sys/param.h>
  40 #include <sys/mbuf.h>
  41
  42
  43 #define CAST128_ENCRYPT 1
  44 #define CAST128_DECRYPT 0
  45
  46
  47 extern void set_cast128_subkey __P((u_int32_t *, u_int8_t *));
  48 extern void cast128_encrypt_round16 __P((u_int8_t *, const u_int8_t *,
  49                                         u_int32_t *));
  50 extern void cast128_decrypt_round16 __P((u_int8_t *, const u_int8_t *,
  51                                         u_int32_t *));
  52 extern void cast128_encrypt_round12 __P((u_int8_t *, const u_int8_t *,
  53                                         u_int32_t *));
  54 extern void cast128_decrypt_round12 __P((u_int8_t *, const u_int8_t *,
  55                                         u_int32_t *));
  56 extern void cast128_cbc_process __P((struct mbuf *, size_t, size_t,
  57                                 u_int32_t *, u_int8_t *, size_t, int));
  58
  59 #endif
  60