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Jiri Bencf0706e82007-05-05 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 Bencf0706e82007-05-05 11:45:53 -070015
Harvey Harrisonc8012422008-06-11 14:22:00 -070016u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
17
Jiri Bencf0706e82007-05-05 11:45:53 -070018void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
19 struct ieee80211_key *key,
20 u8 *pos, size_t payload_len, u8 *ta);
21enum {
22 TKIP_DECRYPT_OK = 0,
23 TKIP_DECRYPT_NO_EXT_IV = -1,
24 TKIP_DECRYPT_INVALID_KEYIDX = -2,
25 TKIP_DECRYPT_REPLAY = -3,
26};
27int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
28 struct ieee80211_key *key,
29 u8 *payload, size_t payload_len, u8 *ta,
Emmanuel Grumbach9ae4fda2008-03-20 15:06:42 +020030 u8 *ra, int only_iv, int queue,
Johannes Berg50741ae2007-09-26 15:19:45 +020031 u32 *out_iv32, u16 *out_iv16);
Jiri Bencf0706e82007-05-05 11:45:53 -070032
33#endif /* TKIP_H */