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Article #3624

Re: Completely Secure Encryption

#3624
From: devine
Date: Wed, 03 Jun 1987 01:15
14 lines
1298 bytes
In article <1290002@hpcvlo.HP.COM>, john@hpcvlo.HP.COM (John Eaton) writes:
><  For better results you should not always start at the first byte [...]
> 
> Better results for who? If you have a 100 Mbyte dictionary then you only have
> to search through 100 million keys for an exhaustive search. Thats trivial.
> Plus the non random nature of a dictionary can also be used to break it.

  When I wrote 'better' I meant 'better' not 'perfect'.  Using a code book
that is easily read by anyone is never going to give top level security.
However, it is an easy step that would give a little more trouble to
those listening in.

  Note that a 100 Mb file yields more than 100 million possible bit strings
because the strings do not have to byte aligned.
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Message-ID: <192@vianet.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!cbosgd!ihnp4!ptsfa!ames!husc6!seismo!nbires!vianet!devine
References: <581@gec-mi-at.co.uk> <1290002@hpcvlo.HP.COM>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!cbosgd!ihnp4!ptsfa!ames!husc6!seismo!nbires!vianet!devine
From: devine@vianet.UUCP
Newsgroups: sci.crypt
Subject: Re: Completely Secure Encryption
Message-ID: <192@vianet.UUCP>
Date: Tue, 2-Jun-87 21:15:13 EDT
Article-I.D.: vianet.192
Posted: Tue Jun  2 21:15:13 1987
Date-Received: Sat, 6-Jun-87 04:21:42 EDT
References: <581@gec-mi-at.co.uk> <1290002@hpcvlo.HP.COM>
Organization: Western Digital, Boulder Tech Ctr
Lines: 14