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Feasibility of Double-Click Attack on a Passive Detection Quantum Key Distribution System |
| ZHANG Peng1**, LI Chao1,2
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1 Department of Mathematics and System Science, Science College, National University of Defense Technology, Changsha 410073
2State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing 100190
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| Cite this article: |
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ZHANG Peng, LI Chao 2011 Chin. Phys. Lett. 28 070304 |
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Abstract An eavesdropper (Eve) can exploit all the imperfections of a practical quantum key distribution (QKD) system to obtain some information about the secret key, no matter whether these imperfections are from the physical layer or from the post-processing layer. We propose a possible attack on a passive detection QKD system based on the imperfection from the software layer. The analysis shows that Eve can obtain all the information about the key without being discovered.
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| Keywords:
03.67.Dd
03.67.Hk
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Received: 12 January 2011
Published: 29 June 2011
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| PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Hk
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(Quantum communication)
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