crypto/external/bsd/heimdal/dist/lib/hcrypto/rc2.h

   1 /*      $NetBSD: rc2.h,v 1.1.1.2 2011/04/14 14:08:33 elric Exp $        */
   2
   3 /*
   4  * Copyright (c) 2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 THE INSTITUTE OR CONTRIBUTORS 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 /* Id */
  37
  38 /* symbol renaming */
  39 #define RC2_set_key hc_RC2_set_key
  40 #define RC2_encryptc hc_RC2_encryptc
  41 #define RC2_decryptc hc_RC2_decryptc
  42 #define RC2_cbc_encrypt hc_RC2_cbc_encrypt
  43
  44 /*
  45  *
  46  */
  47
  48 #define RC2_ENCRYPT     1
  49 #define RC2_DECRYPT     0
  50
  51 #define RC2_BLOCK_SIZE  8
  52 #define RC2_BLOCK       RC2_BLOCK_SIZE
  53 #define RC2_KEY_LENGTH  16
  54
  55 typedef struct rc2_key {
  56     unsigned int data[64];
  57 } RC2_KEY;
  58
  59 #ifdef __cplusplus
  60 extern "C" {
  61 #endif
  62
  63 void RC2_set_key(RC2_KEY *, int, const unsigned char *,int);
  64
  65 void RC2_encryptc(unsigned char *, unsigned char *, const RC2_KEY *);
  66 void RC2_decryptc(unsigned char *, unsigned char *, const RC2_KEY *);
  67
  68 void RC2_cbc_encrypt(const unsigned char *, unsigned char *, long,
  69                      RC2_KEY *, unsigned char *, int);
  70
  71 #ifdef  __cplusplus
  72 }
  73 #endif