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Date: Fri, 10 May 2013 11:05:09 +0530
From: Dhiru Kholia <>
Subject: Re: zip-opencl

On 05/09/13 at 10:10pm, Lukas Odzioba wrote:
> 2013/5/3 Dhiru Kholia <>:
> > On Fri, May 3, 2013 at 4:48 PM, Solar Designer <> wrote:
> >> On Fri, May 03, 2013 at 03:17:17PM +0530, Dhiru Kholia wrote:
> >>> This optimization is now implemented in the CPU "zip" format.
> >>> However, we would need to revert it in case we decide to implement
> >>> decryption and decompression later on.
> >>
> >> No, in that case we'd need to compute the rest of PBKDF2 output in
> >> cmp_exact().  It's quite dumb to compute the full PBKDF2 output right
> >> away simply because we need it once in 65536 passwords tested.
> >
> > I understand now. The two byte verifier will act as the fast check.
> Dhiru, are you working/planning to work on that?


No. Please go ahead.


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