| I think the "Rip Van Winkle cipher" was
mentioned in Schneier's Applied
| Cryptography. Also, I vaguely recall another news story
(1999?) that
| reported on an encryption technique that hypothesized a
stream of random
| bits generated by an orbiting satellite.
Probably Rabin's work on beacons. It explored the results
of assuming
a universally available oracle providing the same stream of
random bits
to everyone. (If you think of the randomized Turing machine
model
as a TM plus an oracle giving that machine a random bit
stream, you
can think of this as a bunch of communicating TM's that get
*the
same* random bit stream.)
-- Jerry
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