Analysis of counterfactual quantum key distribution using error-correcting theory

Analysis of counterfactual quantum key distribution using error-correcting theory Counterfactual quantum key distribution is an interesting direction in quantum cryptography and has been realized by some researchers. However, it has been pointed that its insecure in information theory when it is used over a high lossy channel. In this paper, we retry its security from a error-correcting theory point of view. The analysis indicates that the security flaw comes from the reason that the error rate in the users’ raw key pair is as high as that under the Eve’s attack when the loss rate exceeds 50 %. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Analysis of counterfactual quantum key distribution using error-correcting theory

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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/s11128-014-0786-y
Publisher site
See Article on Publisher Site

Abstract

Counterfactual quantum key distribution is an interesting direction in quantum cryptography and has been realized by some researchers. However, it has been pointed that its insecure in information theory when it is used over a high lossy channel. In this paper, we retry its security from a error-correcting theory point of view. The analysis indicates that the security flaw comes from the reason that the error rate in the users’ raw key pair is as high as that under the Eve’s attack when the loss rate exceeds 50 %.

Journal

Quantum Information ProcessingSpringer Journals

Published: Jul 15, 2014

References

  • Quantum cryptography with coherent states
    Huttner, B; Imoto, N; Gisin, N; Mor, T

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