Some physics and system issues in the security analysis of quantum key distribution protocols

Some physics and system issues in the security analysis of quantum key distribution protocols In this paper, we review a number of issues on the security of quantum key distribution (QKD) protocols that bear directly on the relevant physics or mathematical representation of the QKD cryptosystem. It is shown that the cryptosystem representation itself may miss out many possible attacks, which are not accounted for in the security analysis and proofs. Hence, the final security claims drawn from such analysis are not reliable, apart from foundational issues about the security criteria that are discussed elsewhere. The cases of continuous-variable QKD and multi-photon sources are elaborated upon. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Some physics and system issues in the security analysis of quantum key distribution protocols

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-014-0756-4
Publisher site
See Article on Publisher Site

Abstract

In this paper, we review a number of issues on the security of quantum key distribution (QKD) protocols that bear directly on the relevant physics or mathematical representation of the QKD cryptosystem. It is shown that the cryptosystem representation itself may miss out many possible attacks, which are not accounted for in the security analysis and proofs. Hence, the final security claims drawn from such analysis are not reliable, apart from foundational issues about the security criteria that are discussed elsewhere. The cases of continuous-variable QKD and multi-photon sources are elaborated upon.

Journal

Quantum Information ProcessingSpringer Journals

Published: Jun 10, 2014

References

  • Key generation: foundation and a new quantum approach
    Yuen, HP
  • Experimental implementation of non-gaussian attacks on a continuous-variable quantum key distribution system
    Lodewyck, J; Debuisschert, T; Garcia-Patron, R; Tualle-Brouri, R; Cerf, NJ; Grangier, P
  • Continuous operation of high bit rate quantum key distribution
    Dixon, A; Yuan, Z; Dynes, J; Sharpe, A; Shields, A
  • Unconditional security in quantum cryptography
    Mayers, D

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