john-users - Re: New NT patch

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Date: Tue, 20 Mar 2007 09:51:52 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: New NT patch

On Sat, Mar 17, 2007 at 08:29:55PM +0300, Alain Espinosa wrote:
> Revision #6
> 
> - some bugs fixed. (related to SSE2 and split)
> - added SSE2 code to x86-64

The assembly file patches had a minor bug in them (the same one in both) -
you forgot to switch from .data back to .text, so your SSE2 code was
getting into .data, which is non-executable at least on the Linux/x86-64
system that I used for testing (Owl-current), so John would segfault.

I've fixed this bug (and applied a couple of other minor cleanups as
well - added "#undef a3" to avoid the warning, increased alignments to
cache line size), regenerated the patch with:

TZ=UTC diff -urpN john-1.7.2.orig john-1.7.2-ntlm-alainesp-6.1 > john-1.7.2-ntlm-alainesp-6.1.diff

and released it after some brief testing.  I've also added a news item
on the Openwall website front page.

Thanks,

-- 
Alexander Peslyak <solar at openwall.com>
GPG key ID: 5B341F15  fp: B3FB 63F4 D7A3 BCCC 6F6E  FC55 A2FC 027C 5B34 1F15
http://www.openwall.com - bringing security into open computing environments

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