Wedding Ring Cipher contest winners

Cory Doctorow 7:00 am Wed Oct 15, 2008

Last month, Bruce Schneier and I announced a public cryptographic
challenge: help figure out how to create ciphers and other privacy
applications for my code-wheel wedding rings, designed by Bruce and
created by Isabel Rucker.

Out of the submissions, there were a couple dozen that were really
strong contenders, and Bruce picked two to receive the winner and
runner-up prize.

Congrats to Chris Smith for taking first place with The Fidget Protocol
and to Philippe Teuwen for taking runner-up with his wedding-ring
polyalphabetic substitution cipher.

My wife and I will take great pleasure in using both ciphers to
communicate in private!

Thanks, guys — your prizes are in the mail (and thanks to everyone who
contributed suggestions to this!).

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