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Date: Sat, 17 Dec 2011 14:33:51 +0530
From: piyush mittal <>
Subject: Re: Bit slice implementation of DES based hashes

Also one more difficulty I am facing is that in Oracle hashes key is fixed
i.e 0x123456789ABCDEF and therefore in JTR we need to brute force by taking
different plain text to get the same cipher text.However in other
implementations of  Bit slice DES like LM, BSDI,Traditional DES, the key is
not fixed but plain text is fixed so accordingly all the functions are
defined and therefore I can't reuse the same code.Now I need to make
separate functions for oracle.Some of the functions that I need to change
are as follows


However I am working on it but it will take little extra time.
On Fri, Dec 16, 2011 at 7:00 PM, Solar Designer <> wrote:

> On Fri, Dec 16, 2011 at 06:46:55PM +0530, piyush mittal wrote:
> > Is there any specific requirement of using uni-codes in oracle.Can i
> > implement it without using uni-codes same as of LM.
> Initially, please make the simplest implementation possible.  It is OK
> if it's somewhat limited in functionality and has suboptimal performance -
> we (you) will deal with that a bit later.
> So, yes, please ignore the issue with non-ASCII characters for now.
> Alexander

Piyush Mittal
Department of Computer Science and Engineering
National Institute of Technology,Rourkela

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