linux/net/mac80211/tkip.h
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   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
  16u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
  17
  18int 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
  23enum {
  24        TKIP_DECRYPT_OK = 0,
  25        TKIP_DECRYPT_NO_EXT_IV = -1,
  26        TKIP_DECRYPT_INVALID_KEYIDX = -2,
  27        TKIP_DECRYPT_REPLAY = -3,
  28};
  29int 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 */
  36
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