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 */