Multi-party quantum secret sharing with the single-particle quantum state to encode the information |
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Authors: | Xiu-Bo Chen Xin-Xin Niu Xin-Jie Zhou Yi-Xian Yang |
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Affiliation: | 1. Information Security Center, Beijing University of Posts and Telecommunications, Beijing, 100876, China 2. State Key Laboratory of Information Security, (Graduate University of Chinese Academy of Sciences), Beijing, 100049, China 3. Research Center on Fictitious Economy and Data Science, Chinese Academy of Sciences, Beijing, 100190, China
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Abstract: | We present a three-party quantum secret sharing (QSS) scheme via the entangled Greenberger–Horne–Zeilinger state. In this scheme, the sender Alice encodes her arbitrary secret information by means of preparing a single-particle quantum state. The agent Bob obtains his shared information according to his hobby, while Charlie can easily calculate his shared information. The proposed scheme is secure. It is shown that even a dishonest agent, who may avoid the security checking, cannot obtain any useful information. Moreover, we further investigate the multi-party QSS scheme which allows most agents to predetermine their information. |
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