Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission

Zijie Ji; Phee Lep Yeoh; Gaojie Chen; Cunhua Pan; Yan Zhang; Zunwen He; Hao Yin; Yonghui Li

doi:10.1109/LWC.2021.3061549

Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission

Zijie Ji
, Phee Lep Yeoh
, Gaojie Chen
, Cunhua Pan
, Yan Zhang
, Zunwen He
, Hao Yin
, Yonghui Li

School of Information and Electronics

Beijing Institute of Technology
The University of Sydney
University of Leicester
Queen Mary University of London
Institute of China Electronic System Engineering Corporation

Research output: Contribution to journal › Article › peer-review

68 Citations (Scopus)

Abstract

In this letter, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We show that perfectly secure one-time pad (OTP) communications can be established by using a simple random phase shifting of the IRS elements. To maximize the secure transmission rate, we design an optimal time slot allocation algorithm for the IRS secret key generation and the encrypted data transmission phases. Moreover, a theoretical expression of the key generation rate is derived based on Poisson point process (PPP) for the practical scenario when eavesdroppers' channel state information (CSI) is unavailable. Simulation results show that employing our IRS-based scheme can significantly improve the encrypted data transmission performance for a wide-range of wireless channel gains and system parameters.

Original language	English
Article number	9360860
Pages (from-to)	1192-1196
Number of pages	5
Journal	IEEE Wireless Communications Letters
Volume	10
Issue number	6
DOIs	https://doi.org/10.1109/LWC.2021.3061549
Publication status	Published - Jun 2021

Keywords

Intelligent reflecting surface
one-time pad
physical layer security
reconfigurable intelligent surface
secret key generation

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10.1109/LWC.2021.3061549

Cite this

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title = "Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission",

abstract = "In this letter, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We show that perfectly secure one-time pad (OTP) communications can be established by using a simple random phase shifting of the IRS elements. To maximize the secure transmission rate, we design an optimal time slot allocation algorithm for the IRS secret key generation and the encrypted data transmission phases. Moreover, a theoretical expression of the key generation rate is derived based on Poisson point process (PPP) for the practical scenario when eavesdroppers' channel state information (CSI) is unavailable. Simulation results show that employing our IRS-based scheme can significantly improve the encrypted data transmission performance for a wide-range of wireless channel gains and system parameters.",

keywords = "Intelligent reflecting surface, one-time pad, physical layer security, reconfigurable intelligent surface, secret key generation",

author = "Zijie Ji and Yeoh, \{Phee Lep\} and Gaojie Chen and Cunhua Pan and Yan Zhang and Zunwen He and Hao Yin and Yonghui Li",

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T1 - Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission

AU - Ji, Zijie

AU - Yeoh, Phee Lep

AU - Chen, Gaojie

AU - Pan, Cunhua

AU - Zhang, Yan

AU - He, Zunwen

AU - Yin, Hao

AU - Li, Yonghui

PY - 2021/6

Y1 - 2021/6

N2 - In this letter, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We show that perfectly secure one-time pad (OTP) communications can be established by using a simple random phase shifting of the IRS elements. To maximize the secure transmission rate, we design an optimal time slot allocation algorithm for the IRS secret key generation and the encrypted data transmission phases. Moreover, a theoretical expression of the key generation rate is derived based on Poisson point process (PPP) for the practical scenario when eavesdroppers' channel state information (CSI) is unavailable. Simulation results show that employing our IRS-based scheme can significantly improve the encrypted data transmission performance for a wide-range of wireless channel gains and system parameters.

AB - In this letter, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We show that perfectly secure one-time pad (OTP) communications can be established by using a simple random phase shifting of the IRS elements. To maximize the secure transmission rate, we design an optimal time slot allocation algorithm for the IRS secret key generation and the encrypted data transmission phases. Moreover, a theoretical expression of the key generation rate is derived based on Poisson point process (PPP) for the practical scenario when eavesdroppers' channel state information (CSI) is unavailable. Simulation results show that employing our IRS-based scheme can significantly improve the encrypted data transmission performance for a wide-range of wireless channel gains and system parameters.

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Random Shifting Intelligent Reflecting Surface for OTP Encrypted Data Transmission

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