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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.
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* hostapd - PMKSA cache for IEEE 802.11i RSN
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* Copyright (c) 2004-2008, 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 PMKSA_CACHE_H
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#define PMKSA_CACHE_H
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/**
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* struct rsn_pmksa_cache_entry - PMKSA cache entry
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*/
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struct rsn_pmksa_cache_entry {
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struct rsn_pmksa_cache_entry *next, *hnext;
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u8 pmkid[PMKID_LEN];
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u8 pmk[PMK_LEN];
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size_t pmk_len;
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os_time_t expiration;
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int akmp; /* WPA_KEY_MGMT_* */
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u8 spa[ETH_ALEN];
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u8 *identity;
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size_t identity_len;
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struct radius_class_data radius_class;
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u8 eap_type_authsrv;
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int vlan_id;
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int opportunistic;
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};
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struct rsn_pmksa_cache;
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struct rsn_pmksa_cache *
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pmksa_cache_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
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void *ctx), void *ctx);
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void pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
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struct rsn_pmksa_cache_entry * pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
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const u8 *spa, const u8 *pmkid);
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struct rsn_pmksa_cache_entry * pmksa_cache_get_okc(
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struct rsn_pmksa_cache *pmksa, const u8 *spa, const u8 *aa,
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const u8 *pmkid);
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struct rsn_pmksa_cache_entry *
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pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
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const u8 *aa, const u8 *spa, int session_timeout,
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struct eapol_state_machine *eapol, int akmp);
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struct rsn_pmksa_cache_entry *
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pmksa_cache_add_okc(struct rsn_pmksa_cache *pmksa,
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const struct rsn_pmksa_cache_entry *old_entry,
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const u8 *aa, const u8 *pmkid);
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void pmksa_cache_to_eapol_data(struct rsn_pmksa_cache_entry *entry,
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struct eapol_state_machine *eapol);
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void rsn_pmkid(const u8 *pmk, size_t pmk_len, const u8 *aa, const u8 *spa,
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u8 *pmkid, int use_sha256);
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#endif /* PMKSA_CACHE_H */
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