Invalid key signature in EAPOL-Key packet

Philip M. White pmw at
Sat Dec 3 15:07:59 EST 2005

I am trying to authenticate to a wireless network using a Netgear WG511T
PCMCIA wireless card, latest madwifi driver out of Subversion, and
wpa_supplicant 0.4.7.  My friend got the same network to work for him
with his ipw2200 card with the same wpa_supplicant.conf.  The error that
I am getting does not SEEM like an issue with drivers, but perhaps you
could clarify this.

I have three files:

The last two are the logs of wpa_supplicant in debug mode; "good" is the
one which works, and "bad" is the one that doesn't.  Both are on the
same network.

The error that I am getting happens when wpa_supplicant is verifying key
signature (HMAC-MD5), and it apparently cannot verify it, while the
other setup can.

If you have any ideas, or even if you want to tell me that
wpa_supplicant has nothing to do with this error and that the issue is
with madwifi, it would be appreciated.  Thank you.

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