565861976d
IEEE 802.11w/D6.0 defines new AKMPs to indicate SHA256-based algorithms for key derivation (and AES-CMAC for EAPOL-Key MIC). Add support for using new AKMPs and clean up AKMP processing with helper functions in defs.h.
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* WPA Supplicant - PeerKey for Direct Link Setup (DLS)
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* Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef PEERKEY_H
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#define PEERKEY_H
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#define PEERKEY_MAX_IE_LEN 80
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struct wpa_peerkey {
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struct wpa_peerkey *next;
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int initiator; /* whether this end was initator for SMK handshake */
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u8 addr[ETH_ALEN]; /* other end MAC address */
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u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
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u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
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u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
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size_t rsnie_i_len;
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u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
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size_t rsnie_p_len;
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u8 smk[PMK_LEN];
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int smk_complete;
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u8 smkid[PMKID_LEN];
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u32 lifetime;
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os_time_t expiration;
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int cipher; /* Selected cipher (WPA_CIPHER_*) */
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u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
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int replay_counter_set;
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int use_sha256; /* whether AKMP indicate SHA256-based derivations */
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struct wpa_ptk stk, tstk;
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int stk_set, tstk_set;
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};
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#ifdef CONFIG_PEERKEY
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int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
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struct wpa_peerkey *peerkey,
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struct wpa_eapol_key *key, u16 ver,
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const u8 *buf, size_t len);
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void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
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struct wpa_eapol_key *key, u16 key_info, u16 ver);
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void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
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struct wpa_eapol_key *key, size_t extra_len,
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u16 key_info, u16 ver);
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void peerkey_deinit(struct wpa_sm *sm);
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#else /* CONFIG_PEERKEY */
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static inline int
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peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
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struct wpa_peerkey *peerkey,
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struct wpa_eapol_key *key, u16 ver,
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const u8 *buf, size_t len)
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{
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return -1;
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}
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static inline void
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peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
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struct wpa_eapol_key *key, u16 key_info, u16 ver)
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{
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}
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static inline void
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peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
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struct wpa_eapol_key *key, size_t extra_len,
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u16 key_info, u16 ver)
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{
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}
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static inline void peerkey_deinit(struct wpa_sm *sm)
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{
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}
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#endif /* CONFIG_PEERKEY */
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#endif /* PEERKEY_H */
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