1/*
2 * Copyright 2002-2004, Instant802 Networks, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef TKIP_H
10#define TKIP_H
11
12#include <linux/types.h>
13#include <linux/crypto.h>
14#include "key.h"
15
16u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
17
18int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
19				struct ieee80211_key *key,
20				struct sk_buff *skb,
21				u8 *payload, size_t payload_len);
22
23enum {
24	TKIP_DECRYPT_OK = 0,
25	TKIP_DECRYPT_NO_EXT_IV = -1,
26	TKIP_DECRYPT_INVALID_KEYIDX = -2,
27	TKIP_DECRYPT_REPLAY = -3,
28};
29int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
30				struct ieee80211_key *key,
31				u8 *payload, size_t payload_len, u8 *ta,
32				u8 *ra, int only_iv, int queue,
33				u32 *out_iv32, u16 *out_iv16);
34
35#endif /* TKIP_H */
36