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Message-ID: <CA+TsHUBhK+LmugX0tC3rbJ2ccU5=gzmQd=gG7acDhvrOfxea6Q@mail.gmail.com>
Date: Wed, 4 Sep 2013 07:56:55 +0530
From: Sayantan Datta <std2048@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: mask mode bug
On Wed, Sep 4, 2013 at 3:44 AM, magnum <john.magnum@...hmail.com> wrote:
> OpenCL:
> $ rm new.pot && GWS=4096 ../run/john ~/john/test/bigtest.rawmd5
> -form:raw-md5-opencl -pot:new.pot -mask=?a?a
> Device 1: GeForce GT 650M
> Local worksize (LWS) 64, global worksize (GWS) 2048
> Loaded 61747 password hashes with no different salts (Raw-MD5-opencl [MD5
> OpenCL (inefficient, development use only)])
> Using kernel md5_ccc...
> Press 'q' or Ctrl-C to abort, almost any other key for status
> CS (marlid36)
> r1 (u ballzza) <-- wrong result!!
> JE (Nitewing)
> 3g 0:00:00:00 4.285g/s 1.428p/s 12892c/s 796095KC/s ..
> Warning: passwords printed above might not be all those cracked
> Use the "--show" option to display all of the cracked passwords reliably
> Session completed
>
> CPU:
> rm new.pot && ../run/john ~/john/test/bigtest.rawmd5 -form:raw-md5
> -pot:new.pot -mask=?a?a
> Loaded 61747 password hashes with no different salts (Raw-MD5 [MD5 128/128
> AVX 12x])
> Press 'q' or Ctrl-C to abort, almost any other key for status
> 21 (u ballzza)
> CS (marlid36)
> JE (Nitewing)
> hi (horny weeiner)
> lg (larjar82)
> me (_Jok3R_)
> yo (yo)
> 7g 0:00:00:00 700.0g/s 902500p/s 902500c/s 55724MC/s ~~
> Warning: passwords printed above might not be all those cracked
> Use the "--show" option to display all of the cracked passwords reliably
> Session completed
>
I'll check the problem. Can you please try mask with at least four or five
placeholders, so that we have sufficient concurrent threads. Most likely
you are running on a single thread with just two mask placeholders.
Regards,
Sayantan
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