peerkey.h revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4 
1/*
2 * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
3 * Copyright (c) 2006-2008, 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 PEERKEY_H
10#define PEERKEY_H
11
12#define PEERKEY_MAX_IE_LEN 80
13struct wpa_peerkey {
14	struct wpa_peerkey *next;
15	int initiator; /* whether this end was initator for SMK handshake */
16	u8 addr[ETH_ALEN]; /* other end MAC address */
17	u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
18	u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
19	u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
20	size_t rsnie_i_len;
21	u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
22	size_t rsnie_p_len;
23	u8 smk[PMK_LEN];
24	int smk_complete;
25	u8 smkid[PMKID_LEN];
26	u32 lifetime;
27	os_time_t expiration;
28	int cipher; /* Selected cipher (WPA_CIPHER_*) */
29	u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
30	int replay_counter_set;
31	int use_sha256; /* whether AKMP indicate SHA256-based derivations */
32
33	struct wpa_ptk stk, tstk;
34	int stk_set, tstk_set;
35};
36
37
38#ifdef CONFIG_PEERKEY
39
40int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
41				 struct wpa_peerkey *peerkey,
42				 struct wpa_eapol_key *key, u16 ver,
43				 const u8 *buf, size_t len);
44void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
45			   struct wpa_eapol_key *key, u16 key_info, u16 ver);
46void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
47			  struct wpa_eapol_key *key, size_t extra_len,
48			  u16 key_info, u16 ver);
49void peerkey_deinit(struct wpa_sm *sm);
50
51#else /* CONFIG_PEERKEY */
52
53static inline int
54peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
55			     struct wpa_peerkey *peerkey,
56			     struct wpa_eapol_key *key, u16 ver,
57			     const u8 *buf, size_t len)
58{
59	return -1;
60}
61
62static inline void
63peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
64		      struct wpa_eapol_key *key, u16 key_info, u16 ver)
65{
66}
67
68static inline void
69peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
70		     struct wpa_eapol_key *key, size_t extra_len,
71		     u16 key_info, u16 ver)
72{
73}
74
75static inline void peerkey_deinit(struct wpa_sm *sm)
76{
77}
78
79#endif /* CONFIG_PEERKEY */
80
81#endif /* PEERKEY_H */
82