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From: Kalle Valo <kalle.valo@iki.fi>
To: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: Making promisc mode work with WPA encryption?
Date: Tue, 07 Apr 2009 07:59:11 +0300	[thread overview]
Message-ID: <87ocv9hxeo.fsf@litku.valot.fi> (raw)
In-Reply-To: <1239063352.4705.40.camel@maxim-laptop> (Maxim Levitsky's message of "Tue\, 07 Apr 2009 03\:15\:52 +0300")

Maxim Levitsky <maximlevitsky@gmail.com> writes:

> This means kernel can't automatically decrypt other stations traffic.
> But I could arrange small program that listens to device in monitor or
> maybe even just promisc mode, and records WPA handshakes. For every
> handshake it could install the key in kernel driver, so it would use
> it for decryption, and show the traffic on device in promisc mode. Is
> it possible to do today? I guess not. All this program has to know is
> the PSK. (I could even arrange WPA supplicant to do this job - it
> knows all keys already)

I think wireshark does something like this. You can enter the PSK in the
settings and it will decrypt the traffic. I only tried it once and it
was a long time ago, though.

-- 
Kalle Valo

  reply	other threads:[~2009-04-07  4:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-07  0:15 Making promisc mode work with WPA encryption? Maxim Levitsky
2009-04-07  4:59 ` Kalle Valo [this message]
2009-04-07 12:54   ` Maxim Levitsky
2009-04-07 16:17 ` Jouni Malinen
2009-04-07 20:19   ` Maxim Levitsky
2009-04-07 21:07     ` Jouni Malinen
2009-04-07 21:11     ` Johannes Berg

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