Calibration Attack and Defense in Continuous Variable Quantum Key Distribution

Agnes Ferenczi; Philippe Grangier; Frédéric Grosshans

CLEO/Europe and IQEC 2007 Conference Digest
(Optica Publishing Group, 2007),
paper IC_13

Calibration Attack and Defense in Continuous Variable Quantum Key Distribution

Agnes Ferenczi, Philippe Grangier, and Frédéric Grosshans

International Quantum Electronics Conference 2007

Munich Germany
17–22 June 2007
ISBN: 1-4244-931-4

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A. Ferenczi, P. Grangier, and F. Grosshans, "Calibration Attack and Defense in Continuous Variable Quantum Key Distribution," in CLEO/Europe and IQEC 2007 Conference Digest, (Optica Publishing Group, 2007), paper IC_13.

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Abstract

We have found neew attacks agains Continuous Variable Quantum Key Distribution based on the accessibility of the phase reference beam by the adversary. We then give easy countermeasures to this attack and prove their security.

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