contrib/hostapd-0.5.8/wpa_common.h

   1 /*
   2  * WPA definitions shared between hostapd and wpa_supplicant
   3  * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef WPA_COMMON_H
  16 #define WPA_COMMON_H
  17
  18 #define WPA_REPLAY_COUNTER_LEN 8
  19 #define WPA_NONCE_LEN 32
  20 #define WPA_KEY_RSC_LEN 8
  21
  22
  23 /* IEEE Std 802.1X-2004 */
  24
  25 #ifdef _MSC_VER
  26 #pragma pack(push, 1)
  27 #endif /* _MSC_VER */
  28
  29 struct ieee802_1x_hdr {
  30         u8 version;
  31         u8 type;
  32         u16 length;
  33         /* followed by length octets of data */
  34 } STRUCT_PACKED;
  35
  36 #ifdef _MSC_VER
  37 #pragma pack(pop)
  38 #endif /* _MSC_VER */
  39
  40 #define EAPOL_VERSION 2
  41
  42 enum { IEEE802_1X_TYPE_EAP_PACKET = 0,
  43        IEEE802_1X_TYPE_EAPOL_START = 1,
  44        IEEE802_1X_TYPE_EAPOL_LOGOFF = 2,
  45        IEEE802_1X_TYPE_EAPOL_KEY = 3,
  46        IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT = 4
  47 };
  48
  49 enum { EAPOL_KEY_TYPE_RC4 = 1, EAPOL_KEY_TYPE_RSN = 2,
  50        EAPOL_KEY_TYPE_WPA = 254 };
  51
  52 #ifdef CONFIG_IEEE80211W
  53 #define WPA_DGTK_LEN 16
  54 #define WPA_DHV_LEN 16
  55 #define WPA_IGTK_LEN 16
  56 #endif /* CONFIG_IEEE80211W */
  57
  58 #endif /* WPA_COMMON_H */