Quantum Private Comparison Protocol Based on Four-Particle GHZ States

被引：0
作者：
Qiang-Da Xu
Hua-Ying Chen
Li-Hua Gong
Nan-Run Zhou
机构：
[1] Nanchang University,Department of Computer Science and Technology
[2] Nanchang University,Department of Physics
[3] Nanchang University,Department of Electronic Information Engineering
来源：
International Journal of Theoretical Physics | 2020年 / 59卷
关键词：
Quantum cryptography; Quantum private comparison; Four-particle GHZ state;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new quantum private comparison protocol with four-particle GHZ states is proposed. Unlike most previous quantum private comparison protocols, this quantum private comparison protocol can compare the equality of three information bits in each comparison, which could greatly reduce the times of comparisons. The private input of either party will not be leaked out to others, including participants. Besides, it’s simple to implement the protocol with current technologies since only single-particle measurements and Bell measurements are involved. Furthermore, our protocol has good performance of withstanding various outside attacks and participant attacks.
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页码：1798 / 1806
页数：8
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