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
  18 int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
  19                                 struct ieee80211_key *key,
  20                                 struct sk_buff *skb,
  21                                 u8 *payload, size_t payload_len);
  22
  23 enum {
  24         TKIP_DECRYPT_OK = 0,
  25         TKIP_DECRYPT_NO_EXT_IV = -1,
  26         TKIP_DECRYPT_INVALID_KEYIDX = -2,
  27         TKIP_DECRYPT_REPLAY = -3,
  28 };
  29 int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
  30                                 struct ieee80211_key *key,
  31                                 u8 *payload, size_t payload_len, u8 *ta,
  32                                 u8 *ra, int only_iv, int queue,
  33                                 u32 *out_iv32, u16 *out_iv16);
  34
  35 #endif /* TKIP_H */