基于三粒子类GHZ态的受控量子安全直接通信协议

量子电子学报 ›› 2021, Vol. 38 ›› Issue (1): 57-65.

基于三粒子类GHZ态的受控量子安全直接通信协议

余松1,2, 柏明强1,2, 唐茜1,2, 莫智文1,2∗

1 四川师范大学数学科学学院, 四川成都610066; 2 四川师范大学智能信息与量子信息研究所, 四川成都610066

收稿日期:2020-03-06 修回日期:2020-08-14 出版日期:2021-01-28 发布日期:2021-02-01
通讯作者: E-mail: mozhiwen@263.net E-mail:mozhiwen@263.net
作者简介:余松( 1995 - ), 四川广安人, 研究生, 主要从事量子通信方面的研究。E-mail: 272729199@qq.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 11671284), Sichuan Province Science and Technology Support Program (四川省科技计划项目, 20YFG0290)

Controlled quantum secure direct communication protocol based on three-particle GHZ-like state

YU Song1,2, BAI Mingqiang1,2, TANG Qian1,2, MO Zhiwen1,2∗

1 School of Mathematical Sciences, Sichuan Normal University, Chengdu 610066, China; 2 Institute of Intelligent Information and Quantum Information, Sichuan Normal University, Chengdu 610066, China

Received:2020-03-06 Revised:2020-08-14 Published:2021-01-28 Online:2021-02-01
Contact: Mo Zhi Wen MO Zhi WenMO Zhi Wen E-mail:mozhiwen@263.net

摘要/Abstract

摘要： 考虑到协议的安全性及控制方的必要性, 提出了一种新颖的受控量子安全直接通信协议。协议中由控制方制备和分发信道粒子, 并决定是否通信, 且控制方的信息对协议的运行起着很大的作用。利用加密后编码操作和引入辅助粒子的方式提高协议的安全性和信息传输量, 信息接收方根据处理后的消息进行酉操作, 并根据约定的加密规则逆向解码获取秘密信息。所有公布的信息与秘密信息无直接的关联, 避免了信息泄露问题。分析结果表明该协议能够抵抗第三方和窃听者的攻击, 且量子通信效率为28.75%。

关键词: 量子通信, 受控量子安全直接通信, 类GHZ 态, Bell 基测量

Abstract: Considering security of the protocol and necessity of the controller for quantum communication, a novel controlled quantum secure direct communication protocol is proposed. In the protocol, the controller prepares and distributes channel particles and decides whether to communicate, and the information of the controller plays a great role in operation of the protocol. The security of the protocol and amount of information transmission are improved by using the encoding operation after encryption and introducing auxiliary particles. The information receiver performs unitary operation according to the processed message and obtains secret information by reverse decoding according to the agreed encryption rules. All published information is not directly related to secret information, thus avoiding the problem of information leakage. The analysis results show that the protocol can resist attacks from third parties and eavesdroppers, and its quantum communication efficiency is 28.75%.

Key words: quantum communication, controlled quantum secure direct communication, GHZ-like state; Bell-based measurement

中图分类号:

O431.2

余松, 柏明强, 唐茜, 莫智文, ∗. 基于三粒子类GHZ态的受控量子安全直接通信协议[J]. 量子电子学报, 2021, 38(1): 57-65.

YU Song, BAI Mingqiang, TANG Qian, MO Zhiwen, ∗. Controlled quantum secure direct communication protocol based on three-particle GHZ-like state[J]. Chinese Journal of Quantum Electronics, 2021, 38(1): 57-65.

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