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Date: Mon, 04 Jun 2012 22:00:35 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: GPU formats vs Test Suite
Lukas, Sayantan,
I just ran the Test Suite again, against all GPU formats (that it
supports) on bull. Here are the ones that failed:
form=phpass-opencl guesses: 225 time: 0:00:02:23 :
Expected count(s) (1470) [!!!FAILED!!!]
Note that phpass-cuda passes exact same test, max length is 15.
form=mscash-cuda guesses: 0 unk unk : Expected
count(s) (1430) [!!!FAILED!!!]
form=mscash2-opencl guesses: 0 unk unk : Expected
count(s) (1500) [!!!FAILED!!!]
form=mscash2-cuda guesses: 0 unk unk : Expected
count(s) (1479) [!!!FAILED!!!]
These three do no seem to crack a single password IRL. The actual fault
*may* be in the TS but most of these passed the tests in February so I
think you should have a look at this. The easiest way to grab TS on bull
is from ~magnum/TestSuite_1.12-2.tar.bz2 - unpack it in your john directory.
To avoid a -test=0 run (that won't work well with GPU formats) within
TS, run it with -noprelim option. Eg:
$ ./jtrts.pl -noprelim ssha-opencl
The -passthru option can be used to select platform:
$ ./jtrts.pl -noprelim -passthru "-plat=1" opencl
magnum
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