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From: mcb@ihlpm.UUCP (m. baker)
Newsgroups: net.unix-wizards
Subject: Re: Int. Sys V crypt() algorithm
Message-ID: <281@ihlpm.UUCP>
Date: Thu, 6-Jun-85 16:05:04 EDT
Article-I.D.: ihlpm.281
Posted: Thu Jun  6 16:05:04 1985
Date-Received: Fri, 7-Jun-85 04:02:25 EDT
References: <620@bbnccv.UUCP>
Distribution: net
Organization: AT&T Bell Laboratories
Lines: 25

> AT&T produced a new encrypt() algorithm for their "international version"
> of System V which provides encryption only.  Does anyone know what
> algorithm is used in this new scheme, in comparison to the almost-but-not-
> quite DES algorithm used in earlier versions of UNIX?  The issue here is
> that many of our customer sites have deemed the older DES-based password
> encryption "adequate", but are unprepared to accept the new AT&T algorithm
> without some background on what it is and how it differs from the old one.
> 
> Is the new algorithm still based on DES?
> -- 
> /Steve Dyer
> {decvax,linus,ima,ihnp4}!bbncca!sdyer
> sdyer@bbnccv.ARPA

My System V manual says:
"Crypt implements a one-rotor machine designed along the lines of the
German Enigma, but with a 256-element rotor."

This says to me that the old Crypt algorithm was not based on DES.

-- Mark
ihnp4!ihlpm!mcb
-- 

-- Mark