Date: Sat, 22 Sep 2012 17:12:00 +0530 From: Sayantan Datta <std2048@...il.com> To: john-dev@...ts.openwall.com Subject: Re: bitslice DES on GPU On Sat, Sep 22, 2012 at 11:19 AM, Sayantan Datta <std2048@...il.com> wrote: > I am getting hash fails with AMD s-boxes. I'm trying to find out why. > Previously there was some problem with the addressing of registers. > &B[index] didn't worked out well with both nvidia and amd s-boxes on 7970. > Now I am transferring only the base address of B to s-boxes and accessing > them with the index inside the s-boxes. But still the AMD s-boxes aren't > working somehow. > Actually the bitselect is causing problems. So I'm removing it along with the AMD sboxes for now. Without bitselect, AMD sboxes are slower than nv sboxes. I've posted the patch to unstable-jumbo branch of JtR repo. Regards, Sayantan Content of type "text/html" skipped
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