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Message-ID: <733d71f2b6295323814eb342eb33a177@smtp.hushmail.com>
Date: Tue, 2 Jul 2013 00:26:45 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: scrypt
On 30 Jun, 2013, at 19:05 , Solar Designer <solar@...nwall.com> wrote:
> On Sun, Jun 30, 2013 at 08:37:25PM +0400, Solar Designer wrote:
>> So I went ahead and implemented cleaner and better (but still far from
>> perfect) scrypt support for John the Ripper.
>
> I forgot to mention that it's faster than Rafael's due to preserving and
> reusing of memory allocation(s) across scrypt computations. My escrypt,
> which I had shared with Rafael, readily had this functionality - it only
> needed to be made use of in the format.
>
> And indeed there's OpenMP support, which somehow was missing in Rafael's
> format.
>
>> I've attached patch against the core tree.
>
> I've now attached a newer revision of it. The only changes since the
> revision I posted some minutes ago are to escrypt/crypto_scrypt-sse.c
> (more complete removal of the experimental defeat_tmto feature, which we
> don't need in JtR yet) and escrypt/Makefile.
>
> Alexander
> <john-1.8.0.1-scrypt-2.diff>
I have committed this to bleeding (0814b02), and changed django-scrypt so it can coexist with scrypt, and so it builds and tests OK using the code in escrypt/ instead. Are these functions using SIMD for single candidates? Should django-scrypt use escrypt_r() instead of crypto_scrypt()? If so, that is for Dhiru to fix. Perhaps it's better to add django-scrypt support to scrypt instead, and drop django-scrypt.
magnum
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