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
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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