1/*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License as
4 * published by the Free Software Foundation; either version 2 of
5 * the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
15 * MA 02111-1307 USA
16 */
17/*
18 * rc4.h
19 * RC4 stream cipher
20 *
21 * Copyright 2003, ASUSTeK Inc.
22 * All Rights Reserved.
23 *
24 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of ASUSTeK Inc.; the
25 * contents of this file may not be disclosed to third parties, copied or
26 * duplicated in any form, in whole or in part, without the prior written
27 * permission of ASUSTeK Inc..
28 *
29 */
30
31#ifndef _RC4_H_
32#define _RC4_H_
33
34#include <typedefs.h>
35
36#define RC4_STATE_NBYTES 256
37
38typedef struct rc4_ks
39{
40   uchar state[RC4_STATE_NBYTES];
41   uchar x;
42   uchar y;
43} rc4_ks_t;
44
45void prepare_key(uchar *key_data_ptr, int key_data_len, rc4_ks_t *key);
46
47void rc4(uchar *buffer_ptr, int buffer_len, rc4_ks_t *key);
48
49#endif /* _RC4_H_ */
50
51