Path: news.io.com!news.fc.net!news3.net99.net!news.cais.net!news.sprintlink. + net!newsfeed.internetmci.com!news.mathworks.com!news.duke.edu!godot.cc. + duq.edu!nntp.club.cc.cmu.edu!cantaloupe.srv.cs.cmu.edu!ralf From: Ralf BrownNewsgroups: sci.crypt Subject: Re: Variable Size Block Ciphers Date: 27 Aug 1995 10:18:16 GMT Organization: Just me and my PC.... Lines: 12 Message-ID: <303fcf49@ralf> NNTP-Posting-Host: b.gp.cs.cmu.edu In-Reply-To: Originator: ralf@B.GP.CS.CMU.EDU In article , phr@netcom.com (Paul Rubin) wrote: }Isn't RC5 a variable width block cipher, sort of? Parameterized. You can set various sizes beforehand, to get a different variation of the cipher. IIRC, register size, number of rounds, and key length are parameterized, i.e RC-5(32,12,128) for the variant with 32 bit "registers" (a 64-bit block), 12 rounds, and a 128-bit key. -- My employer will | I'net: ralf@telerama.lm.com Fido: Ralf Brown 1:129/26.1 deny knowing of | "Man is the only kind of varmint sets his own trap, baits this message... | it, then steps in it." -- John Steinbeck, _Sweet_Thursday_