1 /* 2 * WPA Supplicant - PeerKey for Direct Link Setup (DLS) 3 * Copyright (c) 2006-2008, Jouni Malinen <j (at) 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 13 struct 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 40 int 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); 44 void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey, 45 struct wpa_eapol_key *key, u16 key_info, u16 ver); 46 void 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); 49 void peerkey_deinit(struct wpa_sm *sm); 50 51 #else /* CONFIG_PEERKEY */ 52 53 static inline int 54 peerkey_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 62 static inline void 63 peerkey_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 68 static inline void 69 peerkey_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 75 static inline void peerkey_deinit(struct wpa_sm *sm) 76 { 77 } 78 79 #endif /* CONFIG_PEERKEY */ 80 81 #endif /* PEERKEY_H */ 82