Controlled quantum secure direct communication and authentication protocol based on five-particle cluster state and quantum one-time pad

查看全文 作　　者：Yan [1,2]Chang;Chunxiang [1]Xu;Shibin [1,2]Zhang;Lili [2]Yan

机构地区：[1]School of Computer Science & Engineering,University of Electronic Science and Technology of China;[2]Department of Network Engineering,Chengdu University of Information Technology

出　　处：《Chinese Science Bulletin》索引2014年第59卷第21期,共6页

基　　金：supported by the National Natural Science Foundation of China (61370203);the Science & Technology Pillar Program of Sichuan Province of China (2013GZX0137);the Youth Fund Project of Sichuan Province of China (12ZB017) 摘　　要：A controlled quantum secure direct communication and authentication protocol is proposed with a quantum one-time pad based on five-particle cluster state.Photon 4 in each five-particle cluster state is sent to the controller as permission.Unitary operation I(U)on photon4 according to identity-string of the receiver is used to forbid the controller to deduce secret message.The classical XOR operation serving as a one-time-pad is used to forbid external eavesdroppers to eavesdrop.Eavesdropping detection and identity authentication are implemented by previously shared reusable base identity-strings.In one transmission,one qubit of each five-particle cluster state is used as controller’s permission,and two qubits are used to transmit two classical bit information. 关键词：认证协议一次一密量子位控制器团簇粒子安全量子比特

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Controlled quantum secure direct communication and authentication protocol based on five-particle cluster state and quantum one-time pad

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耦合文献(193)

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