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Efficient Verifiable Quantum Secret Sharing Schemes via Eight-Quantum-Entangled States
International Journal of Theoretical Physics ( IF 1.3 ) Pub Date : 2021-04-16 , DOI: 10.1007/s10773-021-04796-y
Shaohua Jiang , Zehong Liu , Xiaoping Lou , Zhou Fan , Sheng Wang , Jinjing Shi

Quantum secret sharing (QSS) protocols are designed to allow a secret message to be divided into several shadows, and the secret can be reconstructed cooperatively. Motivated by the eight quantum entangled (EQE) state, a tripartite verifiable QSS scheme is proposed. It involves three agents, in four phases, i.e., shadow distribution phase, eavesdropping detection phase, measurement and secret sharing phase, verification and secret recover phase. The protocol can not only share and recover the secret correctly, but also verify whether there are dishonest participants in communication. In addition, the protocol is extended to a multiparty quantum secret sharing scheme by utilizing the unitary operations. Security analysis shows that the proposed schemes achieve the fundamental security requirements against the external and internal attackers with the aid of the quantum decoy states. It is shown that the efficiency in classical and quantum transmission is higher than the other protocols.



中文翻译:

通过八量子纠缠态的有效可验证量子秘密共享方案

量子秘密共享(QSS)协议旨在允许将秘密消息划分为多个阴影,并且可以协作地重建秘密。基于八量子纠缠(EQE)态,提出了一种可验证的三方QSS方案。它涉及三个代理,分四个阶段,即阴影分发阶段,窃听检测阶段,测量和秘密共享阶段,验证和秘密恢复阶段。该协议不仅可以正确共享和恢复秘密,还可以验证通信中是否存在不诚实的参与者。另外,通过利用单一操作,该协议被扩展为多方量子秘密共享方案。安全分析表明,所提出的方案借助量子诱骗状态达到了对外部和内部攻击者的基本安全要求。结果表明,经典传输和量子传输的效率均高于其他协议。

更新日期:2021-04-16
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