globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2019.10.025
论文题名:
Device-independent quantum secure direct communication against collective attacks
作者: Zhou L.; Sheng Y.-B.; Long G.-L.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:1
起始页码: 12
结束页码: 20
语种: 英语
中文关键词: Communication efficiency ; Device-independent quantum secure direct communication ; Information security ; Quantum cryptography
英文关键词: Efficiency ; Photons ; Quantum cryptography ; Quantum efficiency ; Security of data ; Wave transmission ; Communication efficiency ; Communication quality ; Entanglement purification protocol ; Linear amplification ; Noisy quantum channel ; Photon transmission ; Quantum device ; Quantum secure direct communication ; Quantum communication
英文摘要: “Device-independent” not only represents a relaxation of the security assumptions about the internal working of the quantum devices, but also can enhance the security of the quantum communication. In the paper, we put forward the first device-independent quantum secure direct communication (DI-QSDC) protocol and analyze its security and communication efficiency against collective attacks. Under practical noisy quantum channel condition, the photon transmission loss and photon state decoherence would reduce DI-QSDC's communication quality and threaten its absolute security. For solving the photon transmission loss and decoherence problems, we adopt noiseless linear amplification (NLA) protocol and entanglement purification protocol (EPP) to modify the DI-QSDC protocol. With the help of the NLA and EPP, we can guarantee DI-QSDC's absolute security and effectively improve its communication quality. © 2019 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170182
Appears in Collections:气候变化与战略

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作者单位: School of Science, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China; Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China; Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China; State Key Laboratory of Low-dimensional Quantum Physics, Beijing, 100084, China; Department of Physics, Tsinghua University, Beijing, 100084, China

Recommended Citation:
Zhou L.,Sheng Y.-B.,Long G.-L.. Device-independent quantum secure direct communication against collective attacks[J]. Science Bulletin,2020-01-01,65(1)
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