1/*	$NetBSD: rc2.h,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
2
3/*
4 * Copyright (c) 2004 Kungliga Tekniska H��gskolan
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
55typedef struct rc2_key {
56    unsigned int data[64];
57} RC2_KEY;
58
59#ifdef __cplusplus
60extern "C" {
61#endif
62
63void RC2_set_key(RC2_KEY *, int, const unsigned char *,int);
64
65void RC2_encryptc(unsigned char *, unsigned char *, const RC2_KEY *);
66void RC2_decryptc(unsigned char *, unsigned char *, const RC2_KEY *);
67
68void RC2_cbc_encrypt(const unsigned char *, unsigned char *, long,
69		     RC2_KEY *, unsigned char *, int);
70
71#ifdef  __cplusplus
72}
73#endif
74