Date: Tue, 2 Aug 2011 15:47:18 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: invitation to team john-users in KoreLogic's "Crack Me If You Can" DEFCON 2011 contest Aleksey, On Tue, Aug 02, 2011 at 03:32:58PM +0400, Aleksey Cherepanov wrote: > It is possible that I will have access to my parents's computer > (Core i7-950/12Gb/2Tb) during this week. This computer is rather unused now. > It has public ip. I am not sure about my skills. Could I help you providing > with ssh login? How should I set this computer up? I'd prefer that you manage it on your own - that way, you'll be more involved and you'll contribute your time rather than CPU time only. This contest is by far not only about CPU/GPU time, but also about people's skills and creative thinking. There are challenges prepared for us by the KoreLogic folks. A computer alone won't solve those. If you feel your use of the machine would be too unoptimal, then maybe provide access to another member of our team - not necessarily to me. For the software setup, I recommend that you install any Linux distro built for x86-64 - or boot off a LiveCD (must have working gcc and libraries sufficient to build JtR). If the machine has an NVidia GPU, consider Yellow Dog Linux for CUDA (also available as LiveDVD): http://ydl.net/ydl_cuda/downloads.shtml http://ftp.yellowdoglinux.com/pub/ydl/cuda/iso/ Then you'll be able to use Lukas' patches for faster SHA-crypt, phpass, and MD5-crypt. Alexander
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