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Date: Thu, 5 Jan 2012 17:01:56 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Bit slice implementation of DES based hashes

Hi Piyush,

On Thu, Jan 05, 2012 at 06:03:37PM +0530, Piyush Mittal wrote:
> Though I searched a lot about how blocks in  DES_bs_crypt_LM()  are
> initialised but I am not getting sufficient idea. According to me the
> string "KGS!@..." is initialised in these blocks but the order of these 64
> binary  bits is some what confusing. As I can't ignore this order of bits
> for oracle bit slice implementation. Can you please tell me how order is
> taken here?

In DES_bs_crypt_LM(), DES initial permutation has been pre-applied to
the constant initial block.

Alexander

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