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Date: Sun, 4 Dec 2011 00:34:11 +0400
From: Solar Designer <>
Subject: Re: Bit slice implementation of DES based hashes

Piyush -

On Sat, Dec 03, 2011 at 11:15:10PM +0530, piyush mittal wrote:
> I found its Algo as follows:

Thank you for documenting this.  I am not spending time to confirm it
(I would be duplicating your work if I did, which would partially defeat
the purpose of getting you involved).

> Soon i will convert it into Bit Slice DES.But i don't consider this work to
> be good for future because Oracle 11g is now switched to SHA-1.From 7-10g
> basically uses DES based hashes.

Everything becomes outdated at some point.  These older hashes are still
relevant (and will be for a while) in pentests and the like, I think.

Besides, after you do the conversion for one "format", it'd be much
quicker for you to do it for each of the rest.

Thanks again,


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