2007-05-06 02:45:53 +08:00
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/*
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* Copyright 2002-2004, Instant802 Networks, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef TKIP_H
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#define TKIP_H
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#include <linux/types.h>
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#include <linux/crypto.h>
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#include "ieee80211_key.h"
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u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
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u8 iv0, u8 iv1, u8 iv2);
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void ieee80211_tkip_gen_phase1key(struct ieee80211_key *key, u8 *ta,
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u16 *phase1key);
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void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta,
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u8 *rc4key);
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void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
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struct ieee80211_key *key,
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u8 *pos, size_t payload_len, u8 *ta);
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enum {
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TKIP_DECRYPT_OK = 0,
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TKIP_DECRYPT_NO_EXT_IV = -1,
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TKIP_DECRYPT_INVALID_KEYIDX = -2,
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TKIP_DECRYPT_REPLAY = -3,
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};
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int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
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struct ieee80211_key *key,
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u8 *payload, size_t payload_len, u8 *ta,
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2008-03-20 21:06:42 +08:00
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u8 *ra, int only_iv, int queue,
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2007-09-26 21:19:45 +08:00
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u32 *out_iv32, u16 *out_iv16);
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2007-05-06 02:45:53 +08:00
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#endif /* TKIP_H */
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