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Jiri Bencf0706e822007-05-05 11:45:53 -07001/*
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>
Johannes Berg2c8dccc2008-04-08 15:14:40 -040014#include "key.h"
Jiri Bencf0706e822007-05-05 11:45:53 -070015
Johannes Berg523b02e2011-07-07 22:28:01 +020016u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
Harvey Harrisonc8012422008-06-11 14:22:00 -070017
Felix Fietkau5f9f1812011-03-25 21:39:19 +010018int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
Johannes Berg523b02e2011-07-07 22:28:01 +020019 struct ieee80211_key *key,
20 struct sk_buff *skb,
21 u8 *payload, size_t payload_len);
22
Jiri Bencf0706e822007-05-05 11:45:53 -070023enum {
24 TKIP_DECRYPT_OK = 0,
25 TKIP_DECRYPT_NO_EXT_IV = -1,
26 TKIP_DECRYPT_INVALID_KEYIDX = -2,
27 TKIP_DECRYPT_REPLAY = -3,
28};
Felix Fietkau5f9f1812011-03-25 21:39:19 +010029int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
Jiri Bencf0706e822007-05-05 11:45:53 -070030 struct ieee80211_key *key,
31 u8 *payload, size_t payload_len, u8 *ta,
Emmanuel Grumbach9ae4fda2008-03-20 15:06:42 +020032 u8 *ra, int only_iv, int queue,
Johannes Berg50741ae2007-09-26 15:19:45 +020033 u32 *out_iv32, u16 *out_iv16);
Jiri Bencf0706e822007-05-05 11:45:53 -070034
35#endif /* TKIP_H */