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Date: Tue, 05 Sep 2006 10:19:12 +0200
From: Simon Marechal <>
Subject: Re: fast MD5 for long passwords?

Sam wrote:
> I need a fast MD5 engine that will hash arbitrary length passwords. I
> have looked at the MMX/SSE2 code in the latest John but I think it only
> handles <=32 byte strings. Can anyone suggest how to modify this to
> handle longer strings?  (is that what the mdfivemmx_noinit_sizeupdate,
> mdfivemmx_noinit_uniformsizeupdate and mdfivemmx_nosizeupdate functions
> are for?)
> Or does anyone know of a stand alone library that will do the same?


	first of all *this is not the latest john*. This is contributed stuff,
and in that case, far from the code quality of john.

	I planned on modifying this mess by just creating the md5 BODY function
in asm and handling all the work in C. The alternate functions could be
used by such a program. Good luck with it :)

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