Improving the security of secure quantum telephone against an attack with fake particles and local operations

被引：16

作者：

Sun, Ying ^{[1
,2
]}

Wen, Qiao-Yan ^{[1
]}

Gao, Fei ^{[1
]}

Zhu, Fu-Chen ^{[3
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

[2] Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Peoples R China

[3] Natl Lab Modern Commun, Chengdu 610041, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 11期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Fake particles; Quantum telephone; Quantum secure direct communication; Quantum cryptography; DIRECT COMMUNICATION; GHZ STATES; DIALOGUE; CRYPTOGRAPHY;

D O I：

10.1016/j.optcom.2009.02.033

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The security of the secure quantum telephone protocol [X.J. Wen, Y. Liu, N.R. Zhou, Opt. Commun. 275 (2007) 278] is analyzed. It is shown that an eavesdropper can attack the communicators' messages by using fake particles and local operations. Moreover, the essential reasons of the information leakage are discussed. Finally, a simple improvement of the secure quantum telephone protocol is proposed. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2278 / 2280

页数：3

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