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Date: Wed, 12 Jun 2013 14:27:42 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Parallella: scrypt

On 11 Jun, 2013, at 8:37 , Solar Designer <solar@...nwall.com> wrote:
> For now, though, let's in fact focus on scrypt.  We do not yet have any
> scrypt code in JtR, so your first task is to add such support using the
> host CPU.  To do this, please use this encoding syntax:
> 
> https://www.gitorious.org/scrypt/scrypt-unix-crypt/blobs/master/unix-scrypt.txt
> 
> and my revision of Colin Percival's original implementations
> (reference, somewhat optimized, and heavily optimized x86 SSE2
> intrinsics) as attached to this message (this includes implementation of
> the above encoding syntax as well).


We actually have Colin's reference implementation in bleeding-jumbo, added by Dhiru for the "scrypt" format (with format_name django-scrypt). And Jim optimized it to 2x. I haven't looked at it but maybe it should be renamed to django-scrypt (and your revisions merged)?

magnum

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