Cryptanalysis and Improvement of Quantum Secret Sharing Protocol between Multiparty and Multiparty with Single Photons and Unitary Transformations
LIN Song1, WEN Qiao-Yan2, LIU Xiao-Fen1
1Key Lab of Network Security and Cryptography, Fujian Normal University, Fuzhou 3500072State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876
Cryptanalysis and Improvement of Quantum Secret Sharing Protocol between Multiparty and Multiparty with Single Photons and Unitary Transformations
LIN Song1, WEN Qiao-Yan2, LIU Xiao-Fen1
1Key Lab of Network Security and Cryptography, Fujian Normal University, Fuzhou 3500072State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876
摘要In a recent paper [Yan F L et al. Chin.Phys.Lett. 25(2008)1187], a quantum secret sharing the protocol between multiparty and multiparty with single photons and unitary transformations was presented. We analyze the security of the protocol and find that a dishonest participant can eavesdrop the key by using a special attack. Finally, we give a description of this strategy and put forward an improved version of this protocol which can stand against this kind of attack.
Abstract：In a recent paper [Yan F L et al. Chin.Phys.Lett. 25(2008)1187], a quantum secret sharing the protocol between multiparty and multiparty with single photons and unitary transformations was presented. We analyze the security of the protocol and find that a dishonest participant can eavesdrop the key by using a special attack. Finally, we give a description of this strategy and put forward an improved version of this protocol which can stand against this kind of attack.
LIN Song;WEN Qiao-Yan;LIU Xiao-Fen. Cryptanalysis and Improvement of Quantum Secret Sharing Protocol between Multiparty and Multiparty with Single Photons and Unitary Transformations[J]. 中国物理快报, 2009, 26(12): 120307-120307.
LIN Song, WEN Qiao-Yan, LIU Xiao-Fen. Cryptanalysis and Improvement of Quantum Secret Sharing Protocol between Multiparty and Multiparty with Single Photons and Unitary Transformations. Chin. Phys. Lett., 2009, 26(12): 120307-120307.
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2009, Vol. 26 
