Date: Thu, 2 Sep 2010 04:50:51 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Noob question: how to feed 10 alphanum char min&max incremental to aircrack when "MaxLen = 10 exceeds the compile-time limit of 8" On Wed, Sep 01, 2010 at 08:03:01PM -0400, brad@...ystems.com wrote: > Yes, I omitted that. The time (67m6.326s) was on roughly 30,000 NT > (unsalted md4 unicode) hashes from the KoreLogic Defcon contest. > > wc -l nt_clean.txt > 30820 nt_clean.txt Oh, then your time was not bad. I just did some math, and it appears that JtR would complete a similar run in about 50 minutes (that's on one CPU core). There got to be room for improvement here. > SSE again it seems. Good numbers for a CPU based application. I doubt > you'll get much faster than that on a current CPU with that has type. Well, 3.5x to 5.5x faster by using all four cores. So far, this is best done by running 8 instances of JtR manually (it should be 8 for a Core i7 with HT enabled even though the CPU is quad-core), but I'll need to be improving the code to make this simpler yet efficient. Alexander
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