Circular semi-quantum secret sharing based on hybrid single particle and GHZ-type states

Semi-quantum secret sharing (SQSS) is a branch of quantum cryptography, with the advantage of fewer quantum resources. In this paper, we present a SQSS protocol based on hybrid single particle and GHZ-type states. Our protocol adopts circular transport structure to share secret information between c...

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Bibliographic Details
Published in:Laser physics letters 2024-02, Vol.21 (2), p.25202
Main Authors: Hou, Yan-Yan, Xu, Tao, Li, Jian, Ye, Chong-Qiang, Wang, Zhuo, Liu, Xin-Yu
Format: Article
Language:English
Subjects:
GHZ-type state
semi-quantum secret sharing
single particle state
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Summary:Semi-quantum secret sharing (SQSS) is a branch of quantum cryptography, with the advantage of fewer quantum resources. In this paper, we present a SQSS protocol based on hybrid single particle and GHZ-type states. Our protocol adopts circular transport structure to share secret information between classical and quantum parties, employing the entanglement correlation and uncertainty of GHZ-type states to guarantee the security of the transmission. Security analysis indicates that the proposed SQSS protocol enables resilience against various potential attacks such as measure-resend, entangle-measure, internal, and Trojan attacks. Furthermore, our protocol is easy to generalize to multi-party scenarios without increasing the complexity of state preparation. Compared with some typical SQSS protocols, our protocol has higher qubit efficiency without the need for entanglement swapping operations. The proposed SQSS protocol has the potential for broader applications in practical scenarios.
ISSN:1612-2011
1612-202X
DOI:10.1088/1612-202X/ad1aab