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A rational quantum state sharing protocol with semi-off-line dealer

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【Author】 Hua-Li Zhang;Bi-Chen Che;Zhao Dou;Yu Yang;Xiu-Bo Chen;Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications;School of Cyberspace Security, Beijing University of Posts and Telecommunications;

【通讯作者】窦钊;

【机构】 Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications； School of Cyberspace Security, Beijing University of Posts and Telecommunications；

【摘要】 A rational quantum state sharing protocol with the semi-off-line dealer is proposed. Firstly, the dealer Alice shares an arbitrary two-particle entangled state with the players by Einstein–Podolsky–Rosen(EPR) pairs and Greenberger–Horne–Zeilinger(GHZ) states. The EPR pairs are prepared by Charlie instead of the dealer, reducing the workload of the dealer.Secondly, all players have the same probability of reconstructing the quantum state, guaranteeing the fairness of the protocol. In addition, the dealer is semi-off-line, which considerably reduces the information exchanging between the dealer and the players. Finally, our protocol achieves security, fairness, correctness, and strict Nash equilibrium.更多还原

【Abstract】 A rational quantum state sharing protocol with the semi-off-line dealer is proposed. Firstly, the dealer Alice shares an arbitrary two-particle entangled state with the players by Einstein–Podolsky–Rosen(EPR) pairs and Greenberger–Horne–Zeilinger(GHZ) states. The EPR pairs are prepared by Charlie instead of the dealer, reducing the workload of the dealer.Secondly, all players have the same probability of reconstructing the quantum state, guaranteeing the fairness of the protocol. In addition, the dealer is semi-off-line, which considerably reduces the information exchanging between the dealer and the players. Finally, our protocol achieves security, fairness, correctness, and strict Nash equilibrium.更多还原

【关键词】 rational quantum state sharing； game theory； semi-off-line； Nash equilibrium；
【Key words】 rational quantum state sharing； game theory； semi-off-line； Nash equilibrium；

【基金】 Project supported by the National Key Research and Development Program of China (Grant No. 2020YFB1805405);the 111 Project,China (Grant No. B21049);the Foundation of Guizhou Provincial Key Laboratory of Public Big Data,China (Grant No. 2019BDKFJJ014);the Fundamental Research Funds for the Central Universities,China (Grant No. 2020RC38)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2022年05期

【分类号】O413
【下载频次】14

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