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Date: Thu, 08 Mar 2012 21:31:21 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Re: [JtR PATCH] Support rar's -p mode by spawning
 external unrar process.

On 02/29/2012 03:28 PM, Samuele Giovanni Tonon wrote:
> btw
> for those interested there's the cuda source available
> for crark .
> 
> http://www.crark.net/Cuda-OpenSrc.rar

I wonder if that code is what is used today (timestamps say 2009). The
code seems to be almost pristine OpenSSL C code. Nothing special except
he skips update() and inlines that functionality in the loop. Looks like
a good idea. Our current sha1 kernel could easily be modified to keep a
context.

He decrypts in GPU too. For -hp mode that might be a good idea but for
-p mode I suspect AES-NI is they key to success if your CPU supports it.

I have tried crark but not igrargpu, are they about the same in speed on
a specific card?

magnum

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