From: Glenn Morton (glenn.morton@btinternet.com)
Date: Sun Nov 17 2002 - 16:41:31 EST
Allen wrote:
>I decided to take a look to see if Morton's "Caesar's cyphers" were
>indeed cyphers where all the letters were shifted down the list.
> Consider his 6 examples:
and
>As you can plainly see, none of these "cyphers" are Caesar's cyphers and
>are probably not even cyphers at all. In fact, several of the 'cyphers'
>have multiple letters standing for a single letter.
Allen, you are being pedantic and showing your ignorance of the topic. A
Caesar Cypher, any more, doesn't have to be merely a straight line shift.
Just a substitutions. See Simon Singh, The Code Book, p. 11 Where he has:
"Plain alphabet a b c d e...
Cipher alphabet J L P A W..."
This page is discussing Caesar cyphers.
While the original Caesar cypher had only 25 potential keys, the more
general Caesar cypher has 400 x 10^24 different keys.
>Morton says above: "It is not that hard to determine a caesar cypher to
>turn a randomly generated sequence into a meaningful, short message."
> Either Morton does not know what a 'caesar cypher' is or he is
>deliberately trying to mislead.
Allen, why do you always charge people with being deliberately misleading?
You seem to think that anyone who disagrees with you is deliberately lying.
Grow up. There is nothing misleading about this. You are merely showing
that you don't know a thing about cyphers.
glenn
see http://www.glenn.morton.btinternet.co.uk/dmd.htm
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