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Whoops; and a question on information theory and encryption
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
[email protected] Big Brother Chip