contrib/hostapd/eap_gpsk_common.h

   1 /*
   2  * EAP server/peer: EAP-GPSK shared routines
   3  * Copyright (c) 2006-2007, 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 EAP_GPSK_COMMON_H
  16 #define EAP_GPSK_COMMON_H
  17
  18 #define EAP_GPSK_OPCODE_GPSK_1 1
  19 #define EAP_GPSK_OPCODE_GPSK_2 2
  20 #define EAP_GPSK_OPCODE_GPSK_3 3
  21 #define EAP_GPSK_OPCODE_GPSK_4 4
  22 #define EAP_GPSK_OPCODE_FAIL 5
  23 #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6
  24
  25 /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */
  26 #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001
  27 #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002
  28 #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003
  29
  30 #define EAP_GPSK_RAND_LEN 32
  31 #define EAP_GPSK_MAX_SK_LEN 32
  32 #define EAP_GPSK_MAX_PK_LEN 32
  33 #define EAP_GPSK_MAX_MIC_LEN 32
  34
  35 #define EAP_GPSK_VENDOR_IETF            0x000000
  36 #define EAP_GPSK_CIPHER_RESERVED        0x000000
  37 #define EAP_GPSK_CIPHER_AES             0x000001
  38 #define EAP_GPSK_CIPHER_SHA256          0x000002
  39
  40
  41 #ifdef _MSC_VER
  42 #pragma pack(push, 1)
  43 #endif /* _MSC_VER */
  44
  45 struct eap_gpsk_csuite {
  46         u8 vendor[3];
  47         u8 specifier[3];
  48 } STRUCT_PACKED;
  49
  50 #ifdef _MSC_VER
  51 #pragma pack(pop)
  52 #endif /* _MSC_VER */
  53
  54 int eap_gpsk_supported_ciphersuite(int vendor, int specifier);
  55 int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
  56                          int specifier,
  57                          const u8 *rand_client, const u8 *rand_server,
  58                          const u8 *id_client, size_t id_client_len,
  59                          const u8 *id_server, size_t id_server_len,
  60                          u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
  61                          u8 *pk, size_t *pk_len);
  62 size_t eap_gpsk_mic_len(int vendor, int specifier);
  63 int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
  64                          int specifier, const u8 *data, size_t len, u8 *mic);
  65
  66 #endif /* EAP_GPSK_COMMON_H */