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Added support for using SHA256-based stronger key derivation for WPA2

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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.
This commit is contained in:
Jouni Malinen 2008-08-31 22:57:28 +03:00
parent 9b71728bba
commit 565861976d
28 changed files with 343 additions and 151 deletions
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4
src/common/wpa_common.h
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@ -1,6 +1,6 @@
/*
* WPA definitions shared between hostapd and wpa_supplicant
* Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
* Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -294,7 +294,7 @@ int wpa_eapol_key_mic(const u8 *key, int ver, const u8 *buf, size_t len,
void wpa_pmk_to_ptk(const u8 *pmk, size_t pmk_len, const char *label,
const u8 *addr1, const u8 *addr2,
const u8 *nonce1, const u8 *nonce2,
u8 *ptk, size_t ptk_len);
u8 *ptk, size_t ptk_len, int use_sha256);
#ifdef CONFIG_IEEE80211R
int wpa_ft_mic(const u8 *kck, const u8 *sta_addr, const u8 *ap_addr,