1/*
2 * rc4.h
3 * RC4 stream cipher
4 *
5 * Copyright (C) 2015, Broadcom Corporation. All Rights Reserved.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
14 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
16 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
17 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 *
19 * $Id: rc4.h 241182 2011-02-17 21:50:03Z $
20 */
21
22#ifndef _RC4_H_
23#define _RC4_H_
24
25#include <typedefs.h>
26
27#define RC4_STATE_NBYTES 256
28
29typedef struct rc4_ks {
30	uchar state[RC4_STATE_NBYTES];
31	uchar x;
32	uchar y;
33} rc4_ks_t;
34
35void BCMROMFN(prepare_key)(uchar *key_data_ptr, int key_data_len, rc4_ks_t *key);
36
37void BCMROMFN(rc4)(uchar *buffer_ptr, int buffer_len, rc4_ks_t *key);
38
39#endif /* _RC4_H_ */
40