Semi-quantum private comparison protocol of size relation with d-dimensional GHZ states*

被引:29
|
作者
Wang, Bing [1 ,2 ,3 ]
Liu, San-Qiu [1 ,3 ]
Gong, Li-Hua [1 ,4 ]
机构
[1] Nanchang Univ, Dept Phys, Jiangxi Prov Key Lab Fus & Informat Control, Nanchang 330031, Jiangxi, Peoples R China
[2] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Jiangxi, Peoples R China
[3] Nanchang Univ, Inst Fus Energy & Plasma Applicat, NCU ASIPP Magnet Confinement Fus Joint Lab, Nanchang 330031, Jiangxi, Peoples R China
[4] Nanchang Univ, Dept Elect Informat Engn, Nanchang 330031, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
semi-quantum private comparison; size relation; dimensional GHZ state; qubit efficiency; SECURE DIRECT COMMUNICATION; EFFICIENT PROTOCOL;
D O I
10.1088/1674-1056/ac1413
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A novel efficient semi-quantum private comparison protocol based on the d-dimensional GHZ states is proposed. With the assistance of semi-honest third party, two classical participants can compare the size relation of their secretswithout any information leakage. To reduce the consumption of quantum devices, the qubit efficiency of our protocol isimproved by introducing the semi-quantum conception via the existing semi-quantum privatecomparisons. Furthermore,it is unnecessary to prepare the secure classical authentication channel among participants in advance. It is shown that our protocol is not only correct and efficient, but also free from external and internal attacks.
引用
收藏
页数:6
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