1/*
2 * Copyright (c) 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/* $Id$ */
35
36/* symbol renaming */
37#define RC2_set_key hc_RC2_set_key
38#define RC2_encryptc hc_RC2_encryptc
39#define RC2_decryptc hc_RC2_decryptc
40#define RC2_cbc_encrypt hc_RC2_cbc_encrypt
41
42/*
43 *
44 */
45
46#define RC2_ENCRYPT	1
47#define RC2_DECRYPT	0
48
49#define RC2_BLOCK_SIZE	8
50#define RC2_BLOCK	RC2_BLOCK_SIZE
51#define RC2_KEY_LENGTH	16
52
53typedef struct rc2_key {
54    unsigned int data[64];
55} RC2_KEY;
56
57#ifdef __cplusplus
58extern "C" {
59#endif
60
61void RC2_set_key(RC2_KEY *, int, const unsigned char *,int);
62
63void RC2_encryptc(unsigned char *, unsigned char *, const RC2_KEY *);
64void RC2_decryptc(unsigned char *, unsigned char *, const RC2_KEY *);
65
66void RC2_cbc_encrypt(const unsigned char *, unsigned char *, long,
67		     RC2_KEY *, unsigned char *, int);
68
69#ifdef  __cplusplus
70}
71#endif
72