Cory Doctorow's Secret Decoder Crypto Wedding Ring

[furrbear]

Bruce Schneier helped Cory Doctorow design a secret decoder wedding ring.

Here's a write-up on how it works.

(Click pic for higher resolution image.)

Comments

[cubziz.livejournal.com]

Wow. That's very cool. :) Though with the size of my ring finger, you could fit a few languages on there. ;)