Security proof of the two-way quantum secure direct communication with channel loss and noise

Quantum secure direct communication is one of the major branches of quantum cryptography, which sends secret information through a quantum channel directly without setting up a prior key. Over the past decade, numerous protocols have been proposed, and some of them have been experimentally demonstra...

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Published inEurophysics letters Vol. 129; no. 1; pp. 10004 - 10007
Main Authors Hu, Jian-Yong, Yang, Liu, Wu, Shu-Xiao, Chen, Rui-Yun, Zhang, Guo-Feng, Qin, Cheng-Bing, Xiao, Lian-Tuan, Jia, Suo-Tang
Format Journal Article
LanguageEnglish
Published Les Ulis EDP Sciences, IOP Publishing and Società Italiana di Fisica 01.01.2020
IOP Publishing
Subjects
Quantum cryptography
Security
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Summary:Quantum secure direct communication is one of the major branches of quantum cryptography, which sends secret information through a quantum channel directly without setting up a prior key. Over the past decade, numerous protocols have been proposed, and some of them have been experimentally demonstrated. The two-way protocol is seen as one of the most practical protocol; in this paper, we present the security proof of the two-way quantum secure direct communication protocol when the noisy and lossy channel is taken into account.
ISSN:0295-5075
1286-4854
1286-4854
DOI:10.1209/0295-5075/129/10004