src/eap_common/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 software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef EAP_GPSK_COMMON_H
  10 #define EAP_GPSK_COMMON_H
  11
  12 #define EAP_GPSK_OPCODE_GPSK_1 1
  13 #define EAP_GPSK_OPCODE_GPSK_2 2
  14 #define EAP_GPSK_OPCODE_GPSK_3 3
  15 #define EAP_GPSK_OPCODE_GPSK_4 4
  16 #define EAP_GPSK_OPCODE_FAIL 5
  17 #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6
  18
  19 /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */
  20 #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001
  21 #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002
  22 #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003
  23
  24 #define EAP_GPSK_RAND_LEN 32
  25 #define EAP_GPSK_MAX_SK_LEN 32
  26 #define EAP_GPSK_MAX_PK_LEN 32
  27 #define EAP_GPSK_MAX_MIC_LEN 32
  28
  29 #define EAP_GPSK_VENDOR_IETF            0x00000000
  30 #define EAP_GPSK_CIPHER_RESERVED        0x000000
  31 #define EAP_GPSK_CIPHER_AES             0x000001
  32 #define EAP_GPSK_CIPHER_SHA256          0x000002
  33
  34
  35 #ifdef _MSC_VER
  36 #pragma pack(push, 1)
  37 #endif /* _MSC_VER */
  38
  39 struct eap_gpsk_csuite {
  40         u8 vendor[4];
  41         u8 specifier[2];
  42 } STRUCT_PACKED;
  43
  44 #ifdef _MSC_VER
  45 #pragma pack(pop)
  46 #endif /* _MSC_VER */
  47
  48 int eap_gpsk_supported_ciphersuite(int vendor, int specifier);
  49 int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
  50                          int specifier,
  51                          const u8 *rand_client, const u8 *rand_server,
  52                          const u8 *id_client, size_t id_client_len,
  53                          const u8 *id_server, size_t id_server_len,
  54                          u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
  55                          u8 *pk, size_t *pk_len);
  56 size_t eap_gpsk_mic_len(int vendor, int specifier);
  57 int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
  58                          int specifier, const u8 *data, size_t len, u8 *mic);
  59
  60 #endif /* EAP_GPSK_COMMON_H */