• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 int eap_gpsk_derive_session_id(const u8 *psk, size_t psk_len, int vendor,
57 			       int specifier,
58 			       const u8 *rand_peer, const u8 *rand_server,
59 			       const u8 *id_peer, size_t id_peer_len,
60 			       const u8 *id_server, size_t id_server_len,
61 			       u8 method_type, u8 *sid, size_t *sid_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 */
67