Does anybody have a decent encryption algorithm written in Lisp? It
doesn't have to be super-duper secure, but it shouldn't be ridiculously
easy either.
--
Robert Albert
Director of Technical Services
Microsol Resources Corporation
·······@microsolresources.com
From: Mark Greenaway
Subject: Re: Need encryption algorithm
Date:
Message-ID: <866850931.812365@cabal>
"Robert Albert" <·······@microsolresources.com> writes:
>Does anybody have a decent encryption algorithm written in Lisp? It
>doesn't have to be super-duper secure, but it shouldn't be ridiculously
>easy either.
>--
Surely it would be trivial to implement a simple version of RSA in LISP.
All of the needed primitives are there for you, so you can create the
program fairly easily. For a book full of good encryption algorithms
(alas, in C), you should check out Bruce Schneier's "Applied Cryptography:
Protocols, Algorithms and Source Code in C". Fabulous book, explains
things very well.
I can mail you some fast exponentiation and inverse-modulus code. The
latter in particular is a good demonstration of the expressiveness of
LISP. We were able to take the equivalent C++ program, which was about 60
lines, and bring it down to about 20 lines. And ours made a lot more
sense, using multiple return values rather than arrays, as in the C++
code.
--
Mark
Certified Waifboy And when they come to ethnically cleanse me
Will you speak out? Will you defend me?
http://www.st.nepean.uws.edu.au/~mgreenaw - Ich bin ein Auslander, PWEI