基于χ类态的量子保密比较研究

doi:10.3969/j.issn.1671-1122.2017.10.008

信息网络安全 ›› 2017, Vol. 17 ›› Issue (10): 50-54.doi: 10.3969/j.issn.1671-1122.2017.10.008

基于χ类态的量子保密比较研究

杨佩, 谭晓青()

暨南大学信息科学技术学院,广东广州 510632

收稿日期:2017-08-14 出版日期:2017-10-10 发布日期:2020-05-12
作者简介:
作者简介：杨佩（1991—）,女,广东,硕士研究生,主要研究方向为量子密码;谭晓青（1976—）,女,广东,教授,博士,主要研究方向为量子信息处理。
基金资助:
国家自然科学基金[61672014,61502200];广东省自然科学基金[2016A030313090,2014A030310245];广州市科技计划项目[201707010253]

Research on Quantum Private Comparison Based on χ-type State

Pei YANG, Xiaoqing TAN()

College of Information Science and Technology, Jinan University, Guangzhou Guangdong 510632, China

Received:2017-08-14 Online:2017-10-10 Published:2020-05-12

摘要/Abstract

摘要：

文章提出了一个基于χ态的量子保密比较协议,参与方Alice和Bob在一个半诚实的第三方的协助下,通过简单的量子测量和数学运算,就可以比较他们的秘密信息是否相等且不泄露秘密信息。所提出的协议不需要消耗昂贵的量子设备进行酉运算。两个参与方和一个半诚实的第三方分别使用单粒子测量和两粒子测量,这些测量用当前技术很容易实现。通过对协议进行安全性分析表明,协议在理论上是安全的,可以有效防止外部窃听以及参与方的截获-测量-重发攻击和第三方攻击。

关键词: 量子保密比较, χ类态, 半诚实第三方

Abstract:

This paper proposes a quantum private comparison protocol based on χ-type state. Two participant parties Alice and Bob, with the help of a semi-honest third party, can compare the equality of their secret information without revealing the content of secret information by simple quantum measurements and mathematical operations. The protocol doesn’t need unitary operations which may consume expensive quantum devices. Single particle and two particles measurements, which are easy implemented with current technologies, are employed by two participant parties and a semi-honest third party respectively. The security analysis of the protocol shows that the protocol is theoretically safe, which can effectively prevent external eavesdropping, participant’s intercept-measure-resend attack, and third party’s attack.

Key words: quantum private comparison, χ-type state, semi-honest third party

中图分类号:

TP309

杨佩, 谭晓青. 基于χ类态的量子保密比较研究[J]. 信息网络安全, 2017, 17(10): 50-54.

Pei YANG, Xiaoqing TAN. Research on Quantum Private Comparison Based on χ-type State[J]. Netinfo Security, 2017, 17(10): 50-54.

图/表 2

参考文献 20

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基于χ类态的量子保密比较研究

Research on Quantum Private Comparison Based on χ-type State

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