Hierarchical Quantum Secret Sharing Based On Special High-Dimensional Entangled State

A hierarchical quantum secret sharing scheme is proposed, for which participants are divided into multiple layers. In this scheme, the number of participants and the shared secrets can be different for layers. The shared secret of a layer can only be recovered by the cooperation of all the participa...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2020-05, Vol.26 (3), p.1-6
Main Authors: Qin, Huawang, Tang, Wallace K. S., Tso, Raylin
Format: Article
Language:English
Subjects:
Atmospheric measurements
Cryptography
Drugs
entangled state
Entangled states
hierarchical
Particle measurements
Protocols
Quantum cryptography
Quantum entanglement
Quantum secret sharing
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Summary:A hierarchical quantum secret sharing scheme is proposed, for which participants are divided into multiple layers. In this scheme, the number of participants and the shared secrets can be different for layers. The shared secret of a layer can only be recovered by the cooperation of all the participants at that layer. Moreover, each participant is able to obtain the shared secrets at lower layers, but not those at higher layers. The design is based on a special high-dimensional entangled state, in which the particles have different dimensions and can be set as subtle values to satisfy the hierarchical requirement. The correctness and security of the proposed scheme are analyzed. As compared to existing quantum secret sharing schemes, it possesses distinct features which are demanded by some specified scenarios.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2020.2975600