Quantum secret sharing for general access structures based on multiparticle entanglements

Authors:
Ming-Ming Wang;Xiu-Bo Chen;Yi-Xian Yang
Affiliations:
College of Computer Science, Xi'an Polytechnic University, Xi'an, China 710048 and Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of P ...;Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China 100876 and State Key Laboratory of Info ...;Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China 100876
Venue:
Quantum Information Processing
Year:
2014

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Abstract

In this paper, we study the implementation of quantum secret sharing (QSS) schemes for general access structures rather than the threshold structure. Using multiparticle entanglements in high-dimensional system, three novel multipartite QSS formalisms for general access structures are proposed. The method of how to build general access structures in these formalisms is discussed. A major feature of these formalisms is that a variety of secret sharing schemes with different access structures can be constructed depending on the dealer's wish. Besides, hierarchic and threshold authorized structures can also be built. All of which make our formalisms highly flexible.