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  3. October 2002

Re: Beginner question re: CPYBTL

yes, he is right on.

----- Original Message -----
From: Chuck Lewis <clewis@iquest.net>
> I always loved that example from Bruce !

> I'll close this discussion with these words from Bruce Schneier
> (Preface to Applied Cryptography):
>
> "If I take a letter, lock it in a safe, hide the safe somewhere in
> New York, then tell you to read the letter, that's not security.
> That's obscurity. On the other hand, if I take a letter and lock it
> in a safe, and then give you the safe along with the design
> specifications of the safe and a hundred identical safes with
> their combinations so that you and the world's best safecrackers
> can study the locking mechanism - and you still can't open the
> safe and read the letter - that's security."
>

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