/*
 * Software WEP encryption implementation
 * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
 * Copyright 2003, Instant802 Networks, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef WEP_H
#define WEP_H

#include <linux/skbuff.h>
#include <linux/types.h>
#include "ieee80211_i.h"
#include "ieee80211_key.h"

int ieee80211_wep_init(struct ieee80211_local *local);
void ieee80211_wep_free(struct ieee80211_local *local);
void ieee80211_wep_get_iv(struct ieee80211_local *local,
			  struct ieee80211_key *key, u8 *iv);
u8 * ieee80211_wep_add_iv(struct ieee80211_local *local,
			  struct sk_buff *skb,
			  struct ieee80211_key *key);
void ieee80211_wep_remove_iv(struct ieee80211_local *local,
			     struct sk_buff *skb,
			     struct ieee80211_key *key);
void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
				size_t klen, u8 *data, size_t data_len);
int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
			       size_t klen, u8 *data, size_t data_len);
int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
			  struct ieee80211_key *key);
int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
			  struct ieee80211_key *key);
int ieee80211_wep_get_keyidx(struct sk_buff *skb);
u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);

#endif /* WEP_H */