Cryptanalysis of multiparty quantum secret sharing with Bell states and Bell measurements |
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| Authors: | Tian-Yin Wang Qiao-Yan Wen |
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| Affiliation: | a State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, 100876, Chinab School of Mathematical Science, Luoyang Normal University, Luoyang, 471022, Chinac National Laboratory for Modern Communications, P.O.Box 810, Chengdu, 610041, China |
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| Abstract: | The security of multiparty quantum secret sharing with Bell states and Bell measurements [R.H. Shi et al., Opt. Commun. 283 (2010) 2476] is analyzed. It is shown that the first agent and the last one can gain access to the dealer's secret if they collaborate in this protocol. Therefore, this protocol does not satisfy the security requirement of quantum secret sharing. |
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| Keywords: | Quantum secret sharing Bell states |
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