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Date: Thu, 2 Aug 2012 08:09:26 +0530
From: Dhiru Kholia <>
Subject: Re: OMP support in PDF format is done

On Wed, Aug 1, 2012 at 7:58 PM, Rich Rumble <> wrote:
> On Wed, Aug 1, 2012 at 10:18 AM, Dhiru Kholia <> wrote:
>> Thanks to Jim for the tips! Passware gets slightly better numbers. Can
>> we beat Passware?
>> PDF AES support is next on my list.
> Passware by default detects GPU's, I'm not sure if that factors in or
> not, I don't use it enough to know if it will attack using GPU and or
> CPU, or if PDF is a good GPU attack vector.

Those were pure CPU numbers. I didn't have a GPU on that system (it is
a VM).  PDF cracking involves running MD5 in a loop 50 times. This can
be done on the GPU.


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