Experimental measurement-device-independent quantum digital signatures over a metropolitan network

Hua Lei Yin; Wei Long Wang; Yan Lin Tang; Qi Zhao; Hui Liu; Xiang Xiang Sun; Wei Jun Zhang; Hao Li; Ittoop Vergheese Puthoor; Li Xing You; Erika Andersson; Zhen Wang; Yang Liu; Xiao Jiang; Xiongfeng Ma; Qiang Zhang; Marcos Curty; Teng Yun Chen; Jian Wei Pan

doi:10.1103/PhysRevA.95.042338

Experimental measurement-device-independent quantum digital signatures over a metropolitan network

Hua Lei Yin, Wei Long Wang, Yan Lin Tang, Qi Zhao, Hui Liu, Xiang Xiang Sun, Wei Jun Zhang, Hao Li, Ittoop Vergheese Puthoor, Li Xing You, Erika Andersson, Zhen Wang, Yang Liu, Xiao Jiang, Xiongfeng Ma, Qiang Zhang, Marcos Curty, Teng Yun Chen, Jian Wei Pan

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Abstract

Quantum digital signatures (QDSs) provide a means for signing electronic communications with information-theoretic security. However, all previous demonstrations of quantum digital signatures assume trusted measurement devices. This renders them vulnerable against detector side-channel attacks, just like quantum key distribution. Here we exploit a measurement-device-independent (MDI) quantum network, over a metropolitan area, to perform a field test of a three-party MDI QDS scheme that is secure against any detector side-channel attack. In so doing, we are able to successfully sign a binary message with a security level of about 10-7. Remarkably, our work demonstrates the feasibility of MDI QDSs for practical applications.

Original language	English
Article number	042338
Number of pages	10
Journal	Physical Review A
Volume	95
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.95.042338
Publication status	Published - 25 Apr 2017

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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This document is the Accepted Manuscript version of a Published Work that appeared in final form in Physical Review A, © American Physical Society. To access the final edited and published work see https://doi.org/10.1103/PhysRevA.95.042338
Accepted author manuscript, 1.27 MBLicence: All Rights Reserved

https://arxiv.org/abs/1703.01021

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Yin, H. L., Wang, W. L., Tang, Y. L., Zhao, Q., Liu, H., Sun, X. X., Zhang, W. J., Li, H., Puthoor, I. V., You, L. X., Andersson, E., Wang, Z., Liu, Y., Jiang, X., Ma, X., Zhang, Q., Curty, M., Chen, T. Y., & Pan, J. W. (2017). Experimental measurement-device-independent quantum digital signatures over a metropolitan network. Physical Review A, 95(4), Article 042338. https://doi.org/10.1103/PhysRevA.95.042338

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title = "Experimental measurement-device-independent quantum digital signatures over a metropolitan network",

abstract = "Quantum digital signatures (QDSs) provide a means for signing electronic communications with information-theoretic security. However, all previous demonstrations of quantum digital signatures assume trusted measurement devices. This renders them vulnerable against detector side-channel attacks, just like quantum key distribution. Here we exploit a measurement-device-independent (MDI) quantum network, over a metropolitan area, to perform a field test of a three-party MDI QDS scheme that is secure against any detector side-channel attack. In so doing, we are able to successfully sign a binary message with a security level of about 10-7. Remarkably, our work demonstrates the feasibility of MDI QDSs for practical applications.",

author = "Yin, {Hua Lei} and Wang, {Wei Long} and Tang, {Yan Lin} and Qi Zhao and Hui Liu and Sun, {Xiang Xiang} and Zhang, {Wei Jun} and Hao Li and Puthoor, {Ittoop Vergheese} and You, {Li Xing} and Erika Andersson and Zhen Wang and Yang Liu and Xiao Jiang and Xiongfeng Ma and Qiang Zhang and Marcos Curty and Chen, {Teng Yun} and Pan, {Jian Wei}",

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month = apr,

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doi = "10.1103/PhysRevA.95.042338",

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Yin, HL, Wang, WL, Tang, YL, Zhao, Q, Liu, H, Sun, XX, Zhang, WJ, Li, H, Puthoor, IV, You, LX, Andersson, E, Wang, Z, Liu, Y, Jiang, X, Ma, X, Zhang, Q, Curty, M, Chen, TY & Pan, JW 2017, 'Experimental measurement-device-independent quantum digital signatures over a metropolitan network', Physical Review A, vol. 95, no. 4, 042338. https://doi.org/10.1103/PhysRevA.95.042338

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T1 - Experimental measurement-device-independent quantum digital signatures over a metropolitan network

AU - Yin, Hua Lei

AU - Wang, Wei Long

AU - Tang, Yan Lin

AU - Zhao, Qi

AU - Liu, Hui

AU - Sun, Xiang Xiang

AU - Zhang, Wei Jun

AU - Li, Hao

AU - Puthoor, Ittoop Vergheese

AU - You, Li Xing

AU - Andersson, Erika

AU - Wang, Zhen

AU - Liu, Yang

AU - Jiang, Xiao

AU - Ma, Xiongfeng

AU - Zhang, Qiang

AU - Curty, Marcos

AU - Chen, Teng Yun

AU - Pan, Jian Wei

PY - 2017/4/25

Y1 - 2017/4/25

N2 - Quantum digital signatures (QDSs) provide a means for signing electronic communications with information-theoretic security. However, all previous demonstrations of quantum digital signatures assume trusted measurement devices. This renders them vulnerable against detector side-channel attacks, just like quantum key distribution. Here we exploit a measurement-device-independent (MDI) quantum network, over a metropolitan area, to perform a field test of a three-party MDI QDS scheme that is secure against any detector side-channel attack. In so doing, we are able to successfully sign a binary message with a security level of about 10-7. Remarkably, our work demonstrates the feasibility of MDI QDSs for practical applications.

AB - Quantum digital signatures (QDSs) provide a means for signing electronic communications with information-theoretic security. However, all previous demonstrations of quantum digital signatures assume trusted measurement devices. This renders them vulnerable against detector side-channel attacks, just like quantum key distribution. Here we exploit a measurement-device-independent (MDI) quantum network, over a metropolitan area, to perform a field test of a three-party MDI QDS scheme that is secure against any detector side-channel attack. In so doing, we are able to successfully sign a binary message with a security level of about 10-7. Remarkably, our work demonstrates the feasibility of MDI QDSs for practical applications.

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VL - 95

JO - Physical Review A

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Experimental measurement-device-independent quantum digital signatures over a metropolitan network

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