eap_psk_common.h
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00001 /*
00002  * EAP server/peer: EAP-PSK shared routines
00003  * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License version 2 as
00007  * published by the Free Software Foundation.
00008  *
00009  * Alternatively, this software may be distributed under the terms of BSD
00010  * license.
00011  *
00012  * See README and COPYING for more details.
00013  */
00014 
00015 #ifndef EAP_PSK_COMMON_H
00016 #define EAP_PSK_COMMON_H
00017 
00018 
00019 #define EAP_PSK_RAND_LEN 16
00020 #define EAP_PSK_MAC_LEN 16
00021 #define EAP_PSK_TEK_LEN 16
00022 #define EAP_PSK_PSK_LEN 16
00023 #define EAP_PSK_AK_LEN 16
00024 #define EAP_PSK_KDK_LEN 16
00025 
00026 #define EAP_PSK_R_FLAG_CONT 1
00027 #define EAP_PSK_R_FLAG_DONE_SUCCESS 2
00028 #define EAP_PSK_R_FLAG_DONE_FAILURE 3
00029 #define EAP_PSK_E_FLAG 0x20
00030 
00031 #define EAP_PSK_FLAGS_GET_T(flags) (((flags) & 0xc0) >> 6)
00032 #define EAP_PSK_FLAGS_SET_T(t) ((u8) (t) << 6)
00033 
00034 #ifdef _MSC_VER
00035 #pragma pack(push, 1)
00036 #endif /* _MSC_VER */
00037 
00038 /* EAP-PSK First Message (AS -> Supplicant) */
00039 struct eap_psk_hdr_1 {
00040         u8 flags;
00041         u8 rand_s[EAP_PSK_RAND_LEN];
00042         /* Followed by variable length ID_S */
00043 } STRUCT_PACKED;
00044 
00045 /* EAP-PSK Second Message (Supplicant -> AS) */
00046 struct eap_psk_hdr_2 {
00047         u8 flags;
00048         u8 rand_s[EAP_PSK_RAND_LEN];
00049         u8 rand_p[EAP_PSK_RAND_LEN];
00050         u8 mac_p[EAP_PSK_MAC_LEN];
00051         /* Followed by variable length ID_P */
00052 } STRUCT_PACKED;
00053 
00054 /* EAP-PSK Third Message (AS -> Supplicant) */
00055 struct eap_psk_hdr_3 {
00056         u8 flags;
00057         u8 rand_s[EAP_PSK_RAND_LEN];
00058         u8 mac_s[EAP_PSK_MAC_LEN];
00059         /* Followed by variable length PCHANNEL */
00060 } STRUCT_PACKED;
00061 
00062 /* EAP-PSK Fourth Message (Supplicant -> AS) */
00063 struct eap_psk_hdr_4 {
00064         u8 flags;
00065         u8 rand_s[EAP_PSK_RAND_LEN];
00066         /* Followed by variable length PCHANNEL */
00067 } STRUCT_PACKED;
00068 
00069 #ifdef _MSC_VER
00070 #pragma pack(pop)
00071 #endif /* _MSC_VER */
00072 
00073 
00074 int __must_check eap_psk_key_setup(const u8 *psk, u8 *ak, u8 *kdk);
00075 int __must_check eap_psk_derive_keys(const u8 *kdk, const u8 *rand_p, u8 *tek,
00076                                      u8 *msk, u8 *emsk);
00077 
00078 #endif /* EAP_PSK_COMMON_H */


wpa_supplicant
Author(s): Package maintained by Blaise Gassend
autogenerated on Thu Apr 24 2014 15:34:34