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Date: Thu, 30 Dec 2010 23:23:47 -0800
From: Dhiru Kholia <>
Subject: Re: NTLM and OpenCL 1.0

> On Tue, Dec 21, 2010 at 6:27 PM, Dhiru Kholia <> wrote:
> Attached patch (for OpenCL kernel) seems to work fine on both ATI 4870
> and NVIDIA GT 240.

I have added preliminary OpenCL support for raw-MD4 hashes (combined
OpenCL patch attached). Performance sucks right now but I am working
on it :-).

$ ./john --format=raw-md4 -test  # on Intel Core i5 750 CPU
Benchmarking: Raw MD4 [32/64]... DONE
Raw:	6380K c/s real, 6444K c/s virtual

$  ./john --format=raw-md4 -test # on GT 240
Benchmarking: Raw MD4 [32/64]...
OpenCL Platform: <<<NVIDIA CUDA>>> and device: <<<GeForce GT 240>>>
Raw:	12098K c/s real, 41943K c/s virtual


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