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To: silby@silby.com
Subject: Re: US Congress already discussing bans on strong crypto
Cc: kris@obsecurity.org, freebsd-security@FreeBSD.ORG
From: "Michael Richards" <michael@fastmail.ca>
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I've heard this book talked about a lot. Is it suitable to mere math 
mortals? I had enough trouble understanding how RSA worked :)

-Michael

> The history of DES (including the design of the sboxes) is in
> "Applied Cryptography", "The Code Book", and presumably many other
> crypto books.  I recommend that you pick up a copy of The Code
> Book; it's an informative and enjoyable read.
>
> To be more specific, Applied Cryptography lists Differential
> Cryptanalysis as being public found in 1990.  So, that puts the
> IBM researchers / NSA only 14 years ahead of the rest of the
> world.  Good thing they decided to protect against the attack
> rather than weaken DES to it.
>
> Mike "Silby" Silbersack

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