wpa_supplicant-EAP-TTLS-PAP issue

Jouni Malinen jkmaline at cc.hut.fi
Fri Dec 2 21:31:04 EST 2005


On Fri, Dec 02, 2005 at 01:09:47PM -0600, Nicolas Will wrote:

> I'm trying to use wireless provided by my corporate network. It uses
> WPA, EAP-TTLS, PAP phase 2 auth, TKIP, WEP104... THE AP hides its SSID.
> madwifi      ath_hal 0.9.14.9 - ath_pci 0.9.6.0

It looks like EAP authentication is completed successfully and so is WPA
4-Way Handshake. However, the AP seems to be re-transmitting Group Key
message 1/2 which could indicate that it does not receive message 2/2
from the supplicant. My first guess would be that the WEP104
configuration for a group cipher is breaking unicast encryption for some
reason. I don't think I have ever tested this kind of combination with
madwifi, but I have seen it working with another driver. In other words,
this could either be a problem in the driver or some kind of mismatch
between the driver and the way wpa_supplicant is configuring the WEP key
for broadcast frames.

-- 
Jouni Malinen                                            PGP id EFC895FA



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