Enhancing implementation security of QKD

Kiyoshi Tamaki

doi:10.1117/12.2280737

5 October 2017 Enhancing implementation security of QKD

Kiyoshi Tamaki

Proceedings Volume 10442, Quantum Information Science and Technology III; 1044209 (2017) https://doi.org/10.1117/12.2280737
Event: SPIE Security + Defence, 2017, Warsaw, Poland

Abstract

Quantum key distribution (QKD) can achieve information-theoretic security, which is a provable security against any eavesdropping, given that all the devices the sender and the receiver employ operate exactly as the theory of security requires. Unfortunately, however, it is difficult for practical devices to meet all such requirements, and therefore more works have to be done toward guaranteeing information-theoretic security in practice, i.e., implementation security. In this paper, we review our recent efforts to enhance implementation security. We also have a brief look at a flaw in security proofs and present how to fix it.

Citation Download Citation

Kiyoshi Tamaki "Enhancing implementation security of QKD", Proc. SPIE 10442, Quantum Information Science and Technology III, 1044209 (5 October 2017); https://doi.org/10.1117/12.2280737

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