Robust Multi-Party Semi-Quantum Private Comparison Protocols with Decoherence-Free States against Collective Noises

被引：27
|
作者：
Gong, Li-Hua [1 ]
Chen, Zhen-Yong [1 ]
Qin, Li-Guo [2 ]
Huang, Jie-Hui [2 ]
机构：
[1] Nanchang Univ, Dept Elect Informat Engn, Nanchang 330031, Peoples R China
[2] Shanghai Univ Engn Sci, Sch Math Phys & Stat, Shanghai 201620, Peoples R China
来源：
ADVANCED QUANTUM TECHNOLOGIES | 2023年 / 6卷 / 08期
基金：
中国国家自然科学基金;
关键词：
collective noise; decoherence-free state; multi-party; quantum cryptography; semi-quantum private comparison; SIZE RELATION;
D O I：
10.1002/qute.202300097
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Based on the decoherence-free states, two multi-party semi-quantum private comparison protocols are proposed to counteract collective noises. One can resist the collective-dephasing noise well, and the other can resist the collective-rotation noise. With the assistance of a semi-honest third party (TP), multiple classical participants with restricted quantum abilities can compare their secret information by performing the proposed protocols once. It is manifested that the proposed protocols can resist both external attacks and internal attacks. Additionally, the operations in the multi-party semi-quantum private comparison protocols are simulated on the IBM Quantum Experience.
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收藏
页数：11
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