Bars, you got competition for video brute forcer

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Tal
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Bars, you got competition for video brute forcer

Post by Tal » Sun Aug 02, 2009 11:04 pm

http://it.slashdot.org/story/09/08/01/1 ... ideo-Cards
"Yesterday at Black Hat USA 2009, a talk entitled MD5 Chosen-Prefix Collisions on GPUs (whitepaper) (Both PDFs) presented an implementation written in assembly language for ATI video cards that achieves 1.6 billion MD5 hash/sec, or 2.2 billion MD5 hash/sec with reversing, on an ATI Radeon HD 4850 X2. This is faster than the much-publicized 1.4-1.9 billion hash/sec figure that was supposedly reached on a PlayStation 3 by Nick Breese at Black Hat Europe 2008 (he later noticed an error in his benchmarking tool). Compared to the cluster of 215 PlayStation 3s that was used to create a rogue CA in December 2008, Marc Bevand claimed a cluster of 12 machines with 24 video cards would be a bit faster, consume 5 times less power, and be 10 times cheaper."

New version tomorrow so we can get 10 billion/sec? :crazy:

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Re: Bars, you got competition for video brute forcer

Post by BarsMonster » Sun Aug 02, 2009 11:44 pm

Tal wrote:http://it.slashdot.org/story/09/08/01/1 ... ideo-Cards
"Yesterday at Black Hat USA 2009, a talk entitled MD5 Chosen-Prefix Collisions on GPUs (whitepaper) (Both PDFs) presented an implementation written in assembly language for ATI video cards that achieves 1.6 billion MD5 hash/sec, or 2.2 billion MD5 hash/sec with reversing, on an ATI Radeon HD 4850 X2. This is faster than the much-publicized 1.4-1.9 billion hash/sec figure that was supposedly reached on a PlayStation 3 by Nick Breese at Black Hat Europe 2008 (he later noticed an error in his benchmarking tool). Compared to the cluster of 215 PlayStation 3s that was used to create a rogue CA in December 2008, Marc Bevand claimed a cluster of 12 machines with 24 video cards would be a bit faster, consume 5 times less power, and be 10 times cheaper."

New version tomorrow so we can get 10 billion/sec? :crazy:
More likely a name change :crazy:
Did they released some binaries to play with? Could someone post here?

Tal
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Re: Bars, you got competition for video brute forcer

Post by Tal » Sun Aug 02, 2009 11:46 pm

Nothing yet as of an actual release. Currently they only released the proof of concept since defcon is still in progress. It'll (likely) be released later.

NotFound
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Re: Bars, you got competition for video brute forcer

Post by NotFound » Mon Aug 03, 2009 12:33 am


_haxxor_
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Re: Bars, you got competition for video brute forcer

Post by _haxxor_ » Mon Aug 03, 2009 2:58 pm

damn, it's exciting :)

protter
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Re: Bars, you got competition for video brute forcer

Post by protter » Tue Aug 04, 2009 4:20 pm

NotFound wrote:http://perso.epita.fr/~bevand_m/talks/b ... slides.pdf

Take some time to read this. :crazy:
Wow, my lovely assembler is present there :crazy:

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