It's the Cayley-Purser Algorithm for encryption.  See:

http://www.cayley-purser.ie/

I thought this was a broken algorithm?  Yes, no?

As for translating it to CF, why?  Why not just use RSA or Twofish or DES?
(Or, if you want to be really topical, use Rijndael.  (sp?))  The patent for
RSA is over, and it has been released to the public.  There are a dozen
other pre-existing tags for encryption.  Don't reinvent the wheel.  :)

-Rick

P.S. - Next time try something a bit harder for a challenge.  All that
modulo and matrix math was a dead giveaway. ;)

-----Original Message-----
From: Cary Gordon [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, October 03, 2000 15:37
To: CF-Talk
Subject: OT: Harder Math Question


Any idea of how I can turn this algorithm a custom tag?  It is in
Mathematica format as that is the only way I could think of to post it here.

[...]

I will award a meaningful, albeit insignificant, prize to the first poster
who can identify, even in broad terms, the (quite useful) function of this
algorithm.

Cary

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