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authorJouni Malinen <jouni.malinen@atheros.com>2008-11-06 17:57:21 (GMT)
committerJouni Malinen <j@w1.fi>2008-11-06 17:57:21 (GMT)
commit581a8cde77670ba7de2cce57f4a723ba435df9b7 (patch)
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parent81eec387dd7c1f4521822e48023e950dfa7b5a52 (diff)
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Added support for enforcing frequent PTK rekeying
Added a new configuration option, wpa_ptk_rekey, that can be used to enforce frequent PTK rekeying, e.g., to mitigate some attacks against TKIP deficiencies. This can be set either by the Authenticator (to initiate periodic 4-way handshake to rekey PTK) or by the Supplicant (to request Authenticator to rekey PTK). With both wpa_ptk_rekey and wpa_group_rekey (in hostapd) set to 600, TKIP keys will not be used for more than 10 minutes which may make some attacks against TKIP more difficult to implement.
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@@ -5,6 +5,9 @@ ChangeLog for wpa_supplicant
(can be used to simulate test SIM/USIM card with a known private key;
enable with CONFIG_SIM_SIMULATOR=y/CONFIG_USIM_SIMULATOR=y in .config
and password="Ki:OPc"/password="Ki:OPc:SQN" in network configuration)
+ * added a new network configuration option, wpa_ptk_rekey, that can be
+ used to enforce frequent PTK rekeying, e.g., to mitigate some attacks
+ against TKIP deficiencies
2008-11-01 - v0.6.5
* added support for SHA-256 as X.509 certificate digest when using the