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