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Message-ID: <CALapUyHtvxm_5zz772e69sYez+uj0dKRNR6m=ZMvkC7B4ysNvg@mail.gmail.com>
Date: Mon, 20 Feb 2012 01:18:21 +0530
From: Deepika Dutta Mishra <dipikadutta@...il.com>
To: john-users@...ts.openwall.com
Subject: Bitsliced DES
Hi, I am deepika and I just joined your mailing list. Actually I want to
use bitsliced DES for one of my projects so I wanted to learn about your
implementation which is said to be the fastest bitsliced DES with optimized
sbox expressions. I hope so you will help me in understanding bitslicing
technique, I have few questions as mentioned below, please do answer.
--Does JTR do bitsliced DES using SSE and other vector processing
instructions only or c codes are also there (though i can't find one)?
--Is it possible to get sbox optimized expressions as used by JTR? Reading
from code is very difficult, if mathematical equations can be found?
--Have you published any papers or is there any documentation of your
implementation which can help in understanding your bitsliced DES code?
Though I know the basic idea of bitslicing, I want to understand your
implementation and use it according to my requirement as it is the most
optimized code. I hope so you will not have any problem in answering my
questions.
Thanks
Waiting for your reply.
Deepika
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