[493] in Cypherpunks
Whoops; and a question on information theory and encryption
daemon@ATHENA.MIT.EDU (Clark Reynard)
Fri May 21 21:56:24 1993
Date: Fri, 21 May 93 21:30:49 -0500
From: Clark Reynard <clark@metal.psu.edu>
To: cypherpunks@toad.com
Just noticed that my last note had been posted already;
sorry.
In addition, I'm wondering whether a plaintext/cyphertext pair is
considered to have a one-to-one isomorphism; in particular, in the
case where you have a plaintext/cyphertext pair but no knowledge of
the method of encryption, is there a one-to-one isomorphism?
In the case of a one-time pad, is there isomorphism, and if so, of
what sort?
Thank you.
----
Robert W. Clark Just Say No! to the
rclark@nyx.cs.du.edu Big Brother Chip
