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Re: Need info on Encyption book
> You'll learn how to protect your communications with
> techiques for transposing characters in text, replacing
> characters, with new ones, using arrays, and more.
Haha... sounds more like "How to encrypt messages so that prying eyes
can read them too."
Character substitution? You'll need to do a lot better than that to
beat cryptanalysis. A simple character substitution array wouldn't fool
most people on this list if they took a serious crack at it.