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Path: utzoo!mnetor!seismo!rutgers!clyde!cuae2!ihnp4!cbatt!cwruecmp!hal!ncoast!btb
From: btb@ncoast.UUCP (Brad Banko)
Newsgroups: sci.crypt,net.sources.d,misc.legal
Subject: brief description of DES...
Message-ID: 
Date: Fri, 7-Nov-86 18:09:25 EST
Article-I.D.: ncoast.1676
Posted: Fri Nov  7 18:09:25 1986
Date-Received: Sun, 9-Nov-86 04:00:57 EST
References:   
Reply-To: btb@ncoast.UUCP (Brad Banko)
Organization: North Coast Public Access UN*X, Cleveland, OH
Lines: 18
Keywords: DES, cipher, product cipher
Xref: mnetor sci.crypt:46 net.sources.d:638 misc.legal:281

schedule, with a subsequent fixed transposition through 16 rounds of this
substitution and transposition... the transpositions are fixed, and are known
as the S-boxes... the function of them is considered highly critical to the
security of the algorithm, and that is why they are fixed...


		

-- 
			Brad Banko
			...!decvax!cwruecmp!ncoast!btb
			Cleveland, Ohio