Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!decwrl!sgi!shinobu!odin!jeffg
From: jeffg@sgi.com (Jeff C. Glover)
Newsgroups: comp.sys.sgi
Subject: Re: SecretMail
Message-ID: <1991Mar9.014207.16178@odin.corp.sgi.com>
Date: 9 Mar 91 01:42:07 GMT
References: <9103061407.AA17329@dolphin.omni.co> <architec.668336357@cutmcvax.cs.curtin.edu.au>
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Organization: Silicon Graphics, Inc., Mountain View, CA
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In article <architec.668336357@cutmcvax.cs.curtin.edu.au> architec@cutmcvax.cs.curtin.edu.au (Phil Dench) writes:
>As far as I know, compress before crypting gives a better level of
>protection (thats what I do anyway).

Wouldn't the "compress" magic number (first longword of the file) give
a crypt-breaker a fairly good headstart on the rest of the contents?

Jeff
jeffg@loki.asd.sgi.com