Wednesday, July 3, 2013

1307.0380 (Seth Lloyd)

Quantum enigma machines    [PDF]

Seth Lloyd
Enigma machines are devices that perform cryptography using pseudo-random numbers. The original enigma machine code was broken by detecting hidden patterns in these pseudo-random numbers. This paper proposes a model for a quantum optical enigma machine and shows that the phenomenon of quantum data locking makes such quantum enigma machines provably secure even in the presence of noise and loss.
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