[Cryptography] The ultimate physical limits of privacy

dan at geer.org dan at geer.org
Fri Mar 28 19:16:28 EDT 2014

[ not free/cheap ]


The ultimate physical limits of privacy

Can you keep secrets safe from eavesdroppers? Yes you can, say Artur
Ekert and Renato Renner. In a Perspective article they argue that
recent developments in quantum cryptography, coupled with the fact
that we still possess free will, suggest that truly private
communication will always be possible, even in a world with access
to as yet undiscovered code-breaking technologies. The answer lies
in new insights into the nature of randomness and non-local
correlations. Thus equipped it should be possible to outsmart even
the most powerful surveillance procedures.

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