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Date: Mon, 04 Jun 2012 22:00:35 +0200
From: magnum <>
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:

$ ./ -noprelim ssha-opencl

The -passthru option can be used to select platform:

$ ./ -noprelim -passthru "-plat=1" opencl


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