2 * EAP server/peer: EAP-GPSK shared routines
3 * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #ifndef EAP_GPSK_COMMON_H
10 #define EAP_GPSK_COMMON_H
16 #define EAP_GPSK_OPCODE_GPSK_1 1
17 #define EAP_GPSK_OPCODE_GPSK_2 2
18 #define EAP_GPSK_OPCODE_GPSK_3 3
19 #define EAP_GPSK_OPCODE_GPSK_4 4
20 #define EAP_GPSK_OPCODE_FAIL 5
21 #define EAP_GPSK_OPCODE_PROTECTED_FAIL 6
23 /* Failure-Code in GPSK-Fail and GPSK-Protected-Fail */
24 #define EAP_GPSK_FAIL_PSK_NOT_FOUND 0x00000001
25 #define EAP_GPSK_FAIL_AUTHENTICATION_FAILURE 0x00000002
26 #define EAP_GPSK_FAIL_AUTHORIZATION_FAILURE 0x00000003
28 #define EAP_GPSK_RAND_LEN 32
29 #define EAP_GPSK_MAX_SK_LEN 32
30 #define EAP_GPSK_MAX_PK_LEN 32
31 #define EAP_GPSK_MAX_MIC_LEN 32
33 #define EAP_GPSK_VENDOR_IETF 0x00000000
34 #define EAP_GPSK_CIPHER_RESERVED 0x000000
35 #define EAP_GPSK_CIPHER_AES 0x000001
36 #define EAP_GPSK_CIPHER_SHA256 0x000002
43 struct eap_gpsk_csuite {
52 int eap_gpsk_supported_ciphersuite(int vendor, int specifier);
53 int eap_gpsk_derive_keys(const u8 *psk, size_t psk_len, int vendor,
55 const u8 *rand_client, const u8 *rand_server,
56 const u8 *id_client, size_t id_client_len,
57 const u8 *id_server, size_t id_server_len,
58 u8 *msk, u8 *emsk, u8 *sk, size_t *sk_len,
59 u8 *pk, size_t *pk_len);
60 int eap_gpsk_derive_session_id(const u8 *psk, size_t psk_len, int vendor,
62 const u8 *rand_peer, const u8 *rand_server,
63 const u8 *id_peer, size_t id_peer_len,
64 const u8 *id_server, size_t id_server_len,
65 u8 method_type, u8 *sid, size_t *sid_len);
66 size_t eap_gpsk_mic_len(int vendor, int specifier);
67 int eap_gpsk_compute_mic(const u8 *sk, size_t sk_len, int vendor,
68 int specifier, const u8 *data, size_t len, u8 *mic);
74 #endif /* EAP_GPSK_COMMON_H */