Wireshark-users: Re: [Wireshark-users] Unable to decode WPA2
From: "Matt Roberts" <k141@xxxxxxxxxxx>
Date: Wed, 7 Jan 2009 07:52:29 -0800
Hi,

thanks for your reply.

Yes I have the 4 EAPOL entries, but now what do I do with them? I'm not sure what key to use from the entries I see?

Thanks,

Matt.

--------------------------------------------------
From: "Soh Kam Yung" <sohkamyung@xxxxxxxxx>
Sent: Tuesday, January 06, 2009 4:44 PM
To: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
Subject: Re: [Wireshark-users] Unable to decode WPA2

On Tue, Jan 6, 2009 at 3:01 AM, Matt Roberts <k141@xxxxxxxxxxx> wrote:
Hello all,

I have spent countless hours trying to decode my own traffic using WPA2 and
I need some help.

My WPA2-PSK passphrase is "testpass". This is what I enter on my router
configuration and my PC. I can connect to the internet no problem.
My SSID is "globul".

When I sniff the traffic I see the 4 EAPOL entries. I can't figure out what
to put in the wireshark 802.11 preference. I tried:

wpa-pwd:testpass:globul

That didn't decrypt anything.
 [...]

Did you capture the initial (EAPOL) 4-Way Pairwise handshake, which
usually happens immediately after you have associated with the
network?

That handshake contains additional information required to decode the
WPA2-PSK encrypted traffic.

The passphrase alone is not enough to decode WPA2-PSK traffic (which
is why WPA2 is more secure than WEP).

Regards,
Kam-Yung
--
Soh Kam Yung
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