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 "ieee80211_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 int only_iv, int queue); 35 36 #endif /* TKIP_H */ 37