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Message-ID: <20080602044410.GB21339@openwall.com>
Date: Mon, 2 Jun 2008 08:44:10 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: CUDA the Ripper

On Mon, Jun 02, 2008 at 01:32:29AM +0100, Larry Bonner wrote:
> don't know of attempts to run JTR on GPU.. but JTR would probably need
> complete re-write for this.

Why?  I disagree.  Most of the high-level code can stay intact.  In
fact, for slow and/or salted hashes (when there are many salts), all of
it can stay intact.

> i tested an md5 cracker yesterday on new 8800GT, the speed was ~232
> million k/s but this was written by someone else and don't have source
> code for it.

FWIW, this has some source code by an ElcomSoft developer:

http://www.troopers08.org/content/e6/e496/BELENKO_Andrej.zip

Alexander

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