Interesting People mailing list archives

Re: Graphic cards as Wi-Fi crypto crackers


From: David Farber <dave () farber net>
Date: Sun, 12 Oct 2008 18:03:52 -0400



Begin forwarded message:

From: "Olivier MJ Crepin-Leblond" <ocl () gih com>
Date: October 12, 2008 5:16:41 PM EDT
To: <dave () farber net>, "ip" <ip () v2 listbox com>
Cc: "Lauren Weinstein" <lauren () vortex com>
Subject: Re: [IP] Graphic cards as Wi-Fi crypto crackers

Dave,
Lauren,

actually a Czech company proposes a product that makes use of such technology. They use is to "recover" all sorts of passwords, not only Wifi.

Their site explains what their product can do:

http://www.elcomsoft.com/edpr.html?r1=pr&r2=wpa

Cheers,

--
Olivier MJ Crepin-Leblond, Ph.D.
E-mail:<ocl () gih com> | http://www.gih.com/ocl.html





----- Original Message ----- From: "David Farber" <dave () farber net>
To: "ip" <ip () v2 listbox com>
Sent: Sunday, October 12, 2008 7:27 PM
Subject: [IP] Graphic cards as Wi-Fi crypto crackers




Begin forwarded message:

From: Lauren Weinstein <lauren () vortex com>
Date: October 12, 2008 11:26:36 AM EDT
To: dave () farber net
Cc: lauren () vortex com
Subject: Graphic cards as Wi-Fi crypto crackers


Dave,

I hadn't seen any mention of this issue here, so I thought I'd pass
it along.  The story is that graphics cards' GPUs have been used to
massively speed brute force cracking of Wi-Fi (WPA) crypto keys.

http://www.dslreports.com/shownews/Using-GPUs-To-Speed-Up-WPA-Hacks-98321

I definitely agree that the devil is in the details, and details are
sorely lacking.  But keeping on eye on this attack vector clearly
makes sense.

--Lauren--
Lauren Weinstein
lauren () vortex com or lauren () pfir org
Tel: +1 (818) 225-2800
http://www.pfir.org/lauren
Co-Founder, PFIR
 - People For Internet Responsibility - http://www.pfir.org
Co-Founder, NNSquad
 - Network Neutrality Squad - http://www.nnsquad.org
Founder, PRIVACY Forum - http://www.vortex.com
Member, ACM Committee on Computers and Public Policy
Lauren's Blog: http://lauren.vortex.com




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