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Date: Thu, 6 Jun 2013 16:03:39 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Problems using -opencl formats with bleeding-jumbo build On 6 Jun, 2013, at 7:08 , Martin Leon <martinrleon@...oo.com> wrote: > Given that I now know several formats that DO work with OpenCL on my MacBook, is there a way to convert a wpapsk hash to one of the other formats that I can use OpenCL with? No, but you may run the CPU format with OMP and get 4-5K c/s. But we can probably make wpapsk-opencl work on your gear. Try this too just for reference: ./john -t -form:opencl -dev=cpu Does any format fail? > On Jun 5, 2013, at 10:05 PM, Martin Leon wrote: >> The following formats ran too slow for me to wait and see the outcome, not sure if they succeed or fail, but they do NOT crash the computer: >> >> md5crypt-opencl sha256crypt-opencl encfs-opencl rar-opencl This is odd, the md5crypt format are simple and should be quick. Hm, maybe try this too: ./john -t=0 -form:opencl This will run self-test only (reported speeds will be very low, disregard that). Does some formats work better now? >> The following formats fail but do NOT crash the computer: >> >> office2007-opencl office2010-opencl office2013-opencl raw-sha512-opencl raw-sha512-ng-opencl sha512crypt-opencl xsha512-opencl xsha512-ng-opencl >> >> *** TESTING descrypt-opencl *** >> OpenCL error (CL_BUILD_PROGRAM_FAILURE) in file (common-opencl.c) at line (582) - (clBuildProgram failed.) You can try re-running the above test like this to get more info: CL_LOG_ERRORS=stderr ./john -t -form:descrypt-opencl >> The following formats cause the hard crashes that require power button shut down: >> >> ntlmv2-opencl krb5pa-sha1-opencl wpapsk-opencl All these work with my (nvidia) MacBook. It would be nice to know if they work better with --test=0 - if they do I have some ideas how to fix it. BTW you do have another option: Dual-boot into Ubuntu 13.04. This way I am pretty sure wpapsk-opencl (and most others, if not all) will work just fine. magnum
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