Date: Thu, 9 May 2013 22:10:32 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Re: zip-opencl 2013/5/3 Dhiru Kholia <dhiru.kholia@...il.com>: > On Fri, May 3, 2013 at 4:48 PM, Solar Designer <solar@...nwall.com> 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?
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