基于类GHZ态的受控量子安全直接通信

量子电子学报 ›› 2019, Vol. 36 ›› Issue (6): 714-718.

基于类GHZ态的受控量子安全直接通信

匡畅，郑晓毅*

广东水利电力职业技术学院自动化工程系，广东广州 510635

收稿日期:2019-03-28 修回日期:2019-07-01 出版日期:2019-11-28 发布日期:2019-11-19
作者简介:匡畅（1987-），湖南湘潭人，学士，讲师，主要从事量子信息方面的研究。E-mail：578248883@qq.com
基金资助:
Supported by Key scientific research platforms and research projects of colleges and universities in Guangdong Province (广东省普通高校重点科研平台和科研项目，2018GkQNCX130)

Controlled Quantum Secure Direct Communication on a Basis of GHZ-like State

KUANG Chang, ZHENG Xiaoyi1*

Department of Automation Engineering，Guangdong Polytechnic of Water Resources and Electric Engineering ,
Guangzhou 510635, China

Received:2019-03-28 Revised:2019-07-01 Published:2019-11-28 Online:2019-11-19

摘要/Abstract

摘要： 提出了一种基于类GHZ态的可控量子安全直接通信方案。方案中通信三方利用各自手中的纠缠粒子满足经典异或关系的性质，结合控制非门操作，对承载经典信息的量子态进行加密、控制、解密等。并通过插入诱骗光子的方法来防止窃听行为，保障通信安全。安全性分析可知所提方案可以有效探测内部和外部窃听者的窃听行为。同时，通信过程中传送的消息粒子并不是分发的纠缠粒子，因此该方案中纠缠资源可以重复利用。

关键词: 量子信息, 受控量子安全直接通信, 类GHZ态, 异或, 控制非门操作

Abstract: A controlled quantum secure direct communication scheme based on GHZ-like state is proposed. In the proposed scheme, combining with the quantum CNOT operation, three participants of the communication use the entangled particles in their respective hands which satisfy the nature of the classical XOR relationship to encrypt, control and decrypt the quantum state carrying classical information. Meanwhile, decoying photons is used to prevent eavesdropping and ensure the security of communications. Security analysis shows that the proposed scheme can effectively detect the eavesdropping behavior of internal and external eavesdroppers. At the same time, the message particles transmitted in the communication process are not distributed entangled particles, so the entangled resources in this scheme can be reused.

Key words: quantum information, controlled quantum secure direct communication, GHZ-like state, XOR, CNOT operation

中图分类号:

O431.2

匡畅, 郑晓毅. 基于类GHZ态的受控量子安全直接通信[J]. 量子电子学报, 2019, 36(6): 714-718.

KUANG Chang, ZHENG Xiaoyi. Controlled Quantum Secure Direct Communication on a Basis of GHZ-like State[J]. Chinese Journal of Quantum Electronics, 2019, 36(6): 714-718.

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