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Date: Sun, 18 Dec 2011 20:54:29 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: 1.7.9-jumbo
On Sun, Dec 18, 2011 at 08:46:34PM +0400, Solar Designer wrote:
> Re-introducing the two "&& md4_size < PLAINTEXT_LENGTH" checks restores
> almost the original performance. I suspect that the "target < targetEnd"
> were needed as well. We probably incur extra loop iterations on --test
> without these. I don't know whether this affects actual cracking runs as
> well or not.
Perhaps not. "./john -fo=nt -i=all8 hashes-all.txt-20.nt" for the two
versions:
stolorat (eissat)
stolovol (divate)
sheastar (deatrick)
guesses: 1578 time: 0:00:01:00 0.00% c/s: 274653M trying: cysq2r15 - cysq2r2m
stolorat (eissat)
stolovol (divate)
sheastar (deatrick)
guesses: 1578 time: 0:00:01:00 0.00% c/s: 276034M trying: mshtbin7 - mshtbite
(manually interrupted at 1 minute). The john.pot files match exactly.
BTW, the raw speed is around 18M c/s:
275000/15928 = 17.2652
275000/(15928-1578) = 19.1638
Alexander
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