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DOI: 10.17586/1023-5086-2022-89-07-90-95
УДК: 530.145, 535.12, 681.7, 53.082.5
Security of plug-and-play continuous-variable quantum key distribution
Full text «Opticheskii Zhurnal»
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Publication in Journal of Optical Technology
Гончаров Р.К., Кириченко Д.Н., Воронцова И.О., Филипов И.М., Адам Ю.А., Первушин Б.Е., Наседкин Б.А., Самсонов Э.О., Егоров В.И. Доказательство стойкости квантового распределения ключей на непрерывных переменных типа «подключил и работай» // Оптический журнал. 2022. Т. 89. № 7. С. 90–95. http://doi.org/10.17586/1023-5086-2022-89-07-90-95
Goncharov R.K., Kirichenko D.N., Vorontsova I.O., Filipov I.M., Adam Yu.A., Pervushin B.E., Nasedkin B.A., Samsonov E.O., Egorov V.I. Security of plug-and-play continuous-variable quantum key distribution [in Russian] // Opticheskii Zhurnal. 2022. V. 89. № 7. P. 90–95. http://doi.org/ 10.17586/1023-5086-2022-89-07-90-95
R. K. Goncharov, D. N. Kirichenko, I. O. Vorontsova, I. M. Filipov, Y. A. Adam, B. E. Pervushin, B. A. Nasedkin, E. O. Samsonov, and V. I. Egorov, "Security of plug-and-play continuous-variable quantum key distribution," Journal of Optical Technology. 89(7), 430-433 (2022). https://doi.org/10.1364/JOT.89.000430
Subject of study. Two-way continuous-variable quantum key distribution schemes are studied. Aim. This study aims to prove the security of the plug-and-play continuous-variable quantum key distribution system in the context of the model of trusted noise from legitimate users. Method. Based on an analog of the well-known implementation in the plug-and-play format, the performance of such a system operating under the GG02 protocol is evaluated. The evaluation is conducted in the presence of collective attacks, considering the finite-key effects. Main results. A secure key that satisfies the composability criteria can be distributed with a channel loss of 5 dB, which is expected to be approximately half that in a one-way scheme. Practical significance. Two-way quantum key distribution schemes are more stable than one-way schemes, and hence, their stability requires detailed consideration. This paper is the first, to our knowledge, to propose considering the security of a two-way implementation of continuous-variable quantum key distribution, considering the trusted equipment noise.
quantum distribution of keys on continuous variables, composibility criterion, "connect and work"
Acknowledgements:The research is supported by JSC "Russian Railways" (JSC "RZD").
OCIS codes: 270.5565, 270.5568
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