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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: A matter of interest.
Date: Sun, 30 Nov 2014 12:49:40 +0000
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Date: 2014-11-30T12:49:40+00:00
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Austin Obyrne <austin.obyrne@hotmail.com> writes:

> The file of 49471 Ada sourcecode characters encrypted and decrypted
> perfectly which I knew it would anyway so I decided next I would test
> the fidelity (a privately coined word that I think is apt but is not
> normal crypto jargon just for your info) of the entire experiment in
> cryptology by test-running the decrypted source code as (message-text
> now) in my Ada-Gide editor - it compiled and ran perfectly without any
> editing and immediately encrypted some test programs itself.

This is good, but as a method of testing I'd have used a byte-by-byte
comparison of original/decrypted files. In a Unix environment, I'd use
cmp(1).

http://unixhelp.ed.ac.uk/CGI/man-cgi?cmp