WPA IE format

[Chuck Tuffli]

I believe the WPA IE is only published in a WiFi Alliance specification, but you can indirectly get information about its format from looking at wpa_supplicant's source or firing up Wireshark and letting the dissectors show you the fields. If your only goal is identification, WPA is a vendor specific IE (decimal 221) and use an OUI of 0x00 0x50 0xF2. Compared this to the RSN IE which has its own IE (decimal 48).

---chuck

-----Original Message-----
From: hostap-bounces at lists.shmoo.com on behalf of Paresh Sawant
Sent: Mon 7/14/2008 11:05 PM
To: hostap
Subject: WPA IE format
 
Hi,

I don't see format for WPA(TSN) information element in the IEEE 802.11i-2004
draft, though they have mentioned details for WPA2(RSN) information element.

Is there any documented way on identifying if the AP is WPA or WPA2
compliant, on the basis beacon frame parse results?


Thanks
- Paresh

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