Quantum private comparison against decoherence noise

Authors:
Yan-Bing Li;Su-Juan Qin;Zheng Yuan;Wei Huang;Ying Sun
Affiliations:
State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China 100876 and State Key Laboratory of Information Security, Institute o ...;State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China 100876;Beijing Electronic Science and Technology Institute, Beijing, China 100070;State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China 100876;Beijing Electronic Science and Technology Institute, Beijing, China 100070
Venue:
Quantum Information Processing
Year:
2013

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Abstract

In this paper, we propose a quantum private comparison scheme which can be used in decoherence noise scenario. With the combination of decoherence-free states and error-correcting code, it achieves a fault tolerant quantum private comparison to prevent collective decoherence noise and limited other decoherence noise. And the third party used in the protocol is not needed to be semi-honest.