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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