Interesting People mailing list archives

Re: Graphic cards as Wi-Fi crypto crackers


From: David Farber <dave () farber net>
Date: Sun, 12 Oct 2008 18:05:15 -0400



Begin forwarded message:

From: Jonathan Smith <jms () cis upenn edu>
Date: October 12, 2008 3:45:31 PM EDT
To: dave () farber net
Cc: "ip" <ip () v2 listbox com>
Subject: Re: [IP] Graphic cards as Wi-Fi crypto crackers

People have been thinking about this space for a while, see also
http://citeseer.ist.psu.edu/old/cook05cryptographics.html
-JMS

On Oct 12, 2008, at 1:27 PM, David Farber wrote:



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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