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[linux-2.6-omap-h63xx.git] / net / mac80211 / tkip.h
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
16 u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
17                            u8 iv0, u8 iv1, u8 iv2);
18 void ieee80211_tkip_gen_phase1key(struct ieee80211_key *key, u8 *ta,
19                                   u16 *phase1key);
20 void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta,
21                                u8 *rc4key);
22 void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
23                                  struct ieee80211_key *key,
24                                  u8 *pos, size_t payload_len, u8 *ta);
25 enum {
26         TKIP_DECRYPT_OK = 0,
27         TKIP_DECRYPT_NO_EXT_IV = -1,
28         TKIP_DECRYPT_INVALID_KEYIDX = -2,
29         TKIP_DECRYPT_REPLAY = -3,
30 };
31 int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
32                                 struct ieee80211_key *key,
33                                 u8 *payload, size_t payload_len, u8 *ta,
34                                 u8 *ra, int only_iv, int queue,
35                                 u32 *out_iv32, u16 *out_iv16);
36
37 #endif /* TKIP_H */