On the security and degradability of Gaussian channels
arXiv:0903.3441 · doi:10.1007/978-3-642-10698-9
Abstract
We consider the notion of canonical attacks, which are the cryptographic analog of the canonical forms of a one-mode Gaussian channel. Using this notion, we explore the connections between the degradability properties of the channel and its security for quantum key distribution. Finally, we also show some relations between canonical attacks and optimal Gaussian cloners.
Proceeding of TQC2009, 4th Workshop on Theory of Quantum Computation, Communication, and Cryptography, Waterloo, Canada, 11-13 May 2009
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