Information Leakage Problem in High-Capacity Quantum Secure Communication with Authentication Using Einstein-Podolsky-Rosen Pairs

被引：11
|
作者：
Liu, Zhi-Hao [1 ,2 ,3 ]
Chen, Han-Wu [1 ,2 ]
Liu, Wen-Jie [4 ]
机构：
[1] Southeast Univ, Sch Comp Sci & Engn, Nanjing 211189, Jiangsu, Peoples R China
[2] Southeast Univ, Minist Educ, Key Lab Comp Network & Informat Integrat, Nanjing 211189, Jiangsu, Peoples R China
[3] Univ Technol Sydney, Fac Engn & Informat Technol, Ctr Quantum Computat & Intelligent Syst, Sydney, NSW 2007, Australia
[4] Nanjing Univ Informat Sci & Technol, Sch Comp & Software, Nanjing 210044, Jiangsu, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2016年 / 33卷 / 07期
基金：
中国国家自然科学基金;
关键词：
KEY DISTRIBUTION; PROTOCOL; ATTACK; DIALOGUE; NETWORK;
D O I：
10.1088/0256-307X/33/7/070305
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The information leakage problem often exists in bidirectional quantum secure direct communication or quantum dialogue. In this work, we find that this problem also exists in the one-way quantum secure communication protocol [Chin. Phys. Lett. 32 ( 2015) 050301]. Specifically, the first bit of every four-bit message block is leaked out without awareness. A way to improve the information leakage problem is given.
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页数：2
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