RE: variable substitution cipher

jcaldwel@iquest.net
Wed, 10 Jun 1998 13:54:46 -0500 (EST)

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On 10-Jun-98 Mark A. Herschberg wrote:

This may help,

http://ftp.clark.net/pub/cme/html/timeline.html

It sounds like you mean a polyalphabetic cipher.

> Can anyone point me to references on a "variable substitution cipher" (I
> made up that term, since I don't know what the correct, technical term is).
> I'm looking at a code that's, at the heart of it, a substitution cipher.
> However, the "ciphertext alphabet" is constantly changing according to some
> fixed rules and a PRNG input.
> Thanks.
>
> --Mark

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E-Mail: jcaldwel@iquest.net
Date: 10-Jun-98
Time: 13:49:26

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