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Article #446

Re: Tips for an encrypted shorthand?

#446
From: Ari Juhani Huttunen
Date: Thu, 06 Aug 1992 16:31
31 lines
2204 bytes
In article <1992Aug5.020416.8477@Princeton.EDU> dla@athena (Don Alvarez) writes:

! I think there is a passage in _The_Codebreakers_, by David Kahn where
! he discusses simple substitution-type ciphers like yours (I think it's
! in a chapter on the early telegraph systems, but I'm not sure).

! Anyway, I seem to recall the statement that simply removing all the
! letter e's raises the security quite considerably.

Perhaps you should use the writing method of the ancient Egyptians or
the current Chinese. Use one symbol to mean one word. Since this makes your
system harder to remember, you probably should use only some word-symbols
for things you write frequently about. But NOT for all of them. A cipher
that writes 'I', 'mother', 'Linda' with one symbol but 'father' and 'Peter'
letter by letter should produce some grey hairs for codebreakers. (Judging
by the fact how hard it was to understand the ancient Egyptian's writing.)

--
...............................................................................
Ari Huttunen                                         You don't miss water
                                                       until the well runs dry.
...............................................................................
begin 644 keyring.pub
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M82YH=70N9FDIW@.U@`SU>E&JBAZX+M30ICMLC;_=,:A5PSQ+87^.1L3]65P2
M#98O&*X.0L!<HBNHWW+SJ9$Z]HLL-7CLDG]3`QMC<)TAL@T$1K>\TVC,T"`Y
MN6-,IG)'U5;=J^61V]F;1.E.V6C>=._(3#;$21G;#*."L4P/R7Q*38[(O-$K
#!0`1
`
end
..................end of my public key.......................
Technical Details
Message-ID: <ARI.HUTTUNEN.92Aug6183124@silver-surfer.hut.fi>
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sunic!news.funet.fi!ajk.tele.fi!funic!news.cs.hut.fi!news!Ari.Huttunen
References: <1992Aug4.180852.11447@kpc.com> <1992Aug5.020416.8477@Princeton.EDU>

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Newsgroups: sci.crypt
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sunic!news.funet.fi!ajk.tele.fi!funic!news.cs.hut.fi!news!Ari.Huttunen
From: Ari.Huttunen@hut.fi (Ari Juhani Huttunen)
Subject: Re: Tips for an encrypted shorthand?
In-Reply-To: dla@athena's message of Wed, 5 Aug 1992 02:04:16 GMT
Message-ID: <ARI.HUTTUNEN.92Aug6183124@silver-surfer.hut.fi>
Sender: usenet@cs.hut.fi (Uutis Ankka)
Organization: Helsinki University of Technology, Finland
References: <1992Aug4.180852.11447@kpc.com> <1992Aug5.020416.8477@Princeton.EDU>
Date: Thu, 6 Aug 1992 16:31:24 GMT
Lines: 31