RE: WPA-PSK audit

["Matthews, Jeremiah W. (JSC-IT)[MEI]" <jeremiah.w.matthews () nasa gov>]

You can use the opensource aircrack array of tools. In addition, make
sure that you have a wireless card that supports either the Atheros or
Proxim chipsets. The adapter has to be capable of being put into
monitor/prom mode.  

-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com]
On Behalf Of Joshua Wright
Sent: Friday, December 28, 2007 8:06 PM
To: Nikolaj
Cc: pen-test () securityfocus com
Subject: Re: WPA-PSK audit

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> I'd like to know of any existing tools designed to test the WPA-PSK 
> security mode. I know it's more secure than wep with TKIP and so on 
> but I wonder if there are any tools that are able to crack the WPA key

> within a reasonable time limit - 2-3 hours? Any ideas and suggestions 
> on WPA security will be appreciated.

I think it is unlikely that dictionary attacks will be effective against
WPA/WPA2-PSK networks, as long as the passphrase is reasonable and not a
dictionary word.  That said, WPA/WPA2-PSK is not a suitable
authentication mechanism for enterprise networks.  Since the PSK is
shared among all stations on the wireless network, every user with a
workstation that has the PSK could conceivably know the PSK and share it
with anyone else.  Further, a stolen device could disclose the PSK for
the network, compromising all later data exchanges.

- -Josh
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