Date: Wed, 30 Oct 2013 12:27:34 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: descrypt-opencl "section 0" fix On Tue, Oct 29, 2013 at 07:51:16PM +0100, magnum wrote: > On 2013-10-29 19:20, magnum wrote: > >I do not get the difference between the above vs. having a built-in test > >vector using the same data? In both cases, we call set_salt("VT"), > >set_key(0) and finally crypt_all(1). > > OK, it's because during self-test, salt passed to crypt_all() is NULL so > we don't really test that functionality yet, right? I think so, yes. Although the bug was in host code, it was related to on-GPU hash comparisons. To figure it out, I had to read the OpenCL kernel code, and in particular the cmp() function, and only then return to host code to find and fix the bug. Alexander
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