Quantum secret sharing using orthogonal multiqudit entangled states |
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Authors: | Chen-Ming Bai Zhi-Hui Li Cheng-Ji Liu Yong-Ming Li |
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Affiliation: | 1.College of Mathematics and Information Science,Shaanxi Normal University,Xi’an,China;2.College of Computer Science,Shaanxi Normal University,Xi’an,China |
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Abstract: | In this work, we investigate the distinguishability of orthogonal multiqudit entangled states under restricted local operations and classical communication. According to these properties, we propose a quantum secret sharing scheme to realize three types of access structures, i.e., the (n, n)-threshold, the restricted (3, n)-threshold and restricted (4, n)-threshold schemes (called LOCC-QSS scheme). All cooperating players in the restricted threshold schemes are from two disjoint groups. In the proposed protocol, the participants use the computational basis measurement and classical communication to distinguish between those orthogonal states and reconstruct the original secret. Furthermore, we also analyze the security of our scheme in four primary quantum attacks and give a simple encoding method in order to better prevent the participant conspiracy attack. |
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