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Message-ID: <20120821141119.GA9160@openwall.com>
Date: Tue, 21 Aug 2012 18:11:19 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: Arstechnica Password article (feat. Matt Weir)
On Tue, Aug 21, 2012 at 09:36:16AM -0400, Rich Rumble wrote:
> http://arstechnica.com/security/2012/08/passwords-under-assault/
> Good article, no mention of Jtr :( or it's incremental and other
> modes, rather focus on GPU cracking using HashCat mostly; some other
> tools mentioned as well. Also I had no idea we were actually going to
> be up against the Erebus system (http://ob-security.info/?p=546)in the
> contest, but I guess I should of known :)
> While I wish JtR and all it's abilities (GPU included), the article is
> accurate as far as I can tell.
There are some minor inaccuracies.
Anyhow, if you post these, here's another recent article by Dan:
http://arstechnica.com/security/2012/08/hacked-blizzard-passwords-not-hard-to-crack/
which actually includes references to JtR in the SRP cracking context.
For those not on john-dev: JimF has since actually implemented
Blizzard's SRP cracking in JtR - and we're getting speeds up to about
400k c/s per CPU chip - but we have yet to see any of the presumably
leaked SRP verifiers, so we don't know if the code would work on them
as-is or would need some additional tweaking. On FX-8120:
Benchmarking: WoW (Battlenet) SRP sha1 [32/64 GMP-exp]... (8xOMP) DONE
Raw: 395264 c/s real, 49408 c/s virtual
Alexander
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