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      1 /*	$NetBSD: rc2.h,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2004 Kungliga Tekniska Hgskolan
      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
     74