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12th International Conference on Wireless and Satellite Services, WiSATS 2021

作者： Yang, Dongyu Zhao, Yue Wu, Kaijun Yi, Zhongqiang Peng, Haiyang Science and Technology on Communication Security Laboratory Chengdu610041 China No. 30 Research Institute of China Electronics Technology Group Corporation Chengdu610041 China China Electronics Technology Cyber Security Co. Ltd. Chengdu610041 China

ISBN: (纸本)9783030933975

Since the 21st century, informatization, modernization and intellectualization have become an important direction of national science and technology development. Especially in recent years, with the continuous improvement and perfection of artificial intelligence, 5G, edge computing and autonomous unmanned technology, the UAV industry has made unprecedented development and has been applied to many fields of military and civil, such as: information collection, investigation and combat integration, geological mapping, border defense inspection, emergency rescue, power inspection, traffic supervision, intelligent logistics, pesticide spraying, meteorological monitoring, etc. However, with the continuous development of UAV business, more and more researchers realize that UAV depends on security and effective information system and network connection, and the cyber security problem of UAV is becoming increasingly prominent. The cyber security research of UAV has become a new subject. This paper first elaborates the development of UAV through a large number of researches. Secondly, according to the current development status of UAV, the future development trend of UAV is analyzed. Then, focusing on the communication, network and system of UAV, the security threats faced by UAV are elaborated and analyzed in detail. After that, the new cyber security problems caused by UAV are analyzed from three aspects of important infrastructure security, public security and privacy security. Finally, the paper gives suggestions on the future development of UAV from the perspective of cyber security, which provides a strong support for solving the cyber security problems of UAV. © 2022, ICST Institute for Computer sciences, Social Informatics and Telecommunications Engineering.

关键词： Unmanned aerial vehicles (UAV)

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First demonstration of an 8-node Mbps quantum access network based on passive optical distribution network facilities

First demonstration of an 8-node Mbps quantum access network...

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Frontiers in Optics + Laser science 2023, FiO, LS 203: Part of Frontiers in Optics + Laser science 2023

作者： Bian, Yiming Pan, Yan Ma, Li Wang, Heng Dou, Jiayi Pi, Yaodi Yang, Jie Li, Yang Huang, Wei Yu, Song Zhang, Yichen Xu, Bingjie State Key Laboratory of Information Photonics and Optical Communications School of Electronic Engineering Beijing University of Posts and Telecommunications Beijing100876 China Science and Technology on Communication Security Laboratory Institute of Southwestern Communication Chengdu610041 China

Quantum access network with 8 nodes and a secret key rate of over 6 Mbps per user is firstly demonstrated using passive optical distribution network facilities, paving the way of high-performance and scalable quantum-... 详细信息

ISBN: (纸本)9781957171296

关键词： Frequency division multiplexing Optical networks Passive optical networks Quantum key distribution Signal processing Wavelength division multiplexing

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Experimental demonstration of 4-user quantum access network based on passive optical network 49

Experimental demonstration of 4-user quantum access network ...

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49th European Conference on Optical communications, ECOC 2023

作者： Pan, Yan Bian, Yiming Wang, Heng Dou, Jiayi Shao, Yun Pi, Yaodi Ye, Ting Yang, Jie, 2 Li, Yang Huang, Wei Yu, Song Zhang, Yichen Xu, Bingjie Science and Technology on Communication Security Laboratory Institute of Southwestern Communication Chengdu610041 China State Key Laboratory of Information Photonics and Optical Communications School of Electronic Engineering Beijing University of Posts and Telecommunications Beijing100876 China

ISBN: (纸本)9781839539954

A 4-user high-compatibility quantum access network using coherent states is experimentally demonstrated based on passive optical network. The achieved average secret key rate is around 4.1 Mbps between the transmitter and each one user, which is two orders-of-magnitude higher than previous demonstrations. © The Institution of Engineering & technology 2023.

关键词： Passive optical networks

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100 km Discrete-Modulated Continuous-Variable Quantum Key Distribution Using Probabilistic Shaped 16QAM

100 km Discrete-Modulated Continuous-Variable Quantum Key Di...

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2024 Asia communications and Photonics Conference, ACP 2024 and International Conference on Information Photonics and Optical communications, IPOC 2024

作者： Pan, Yan Li, Yang Wu, Mingze Zhang, Yichen Wang, Heng Huang, Wei Shao, Yun Xu, Bingjie Liu, Jinlu National Key Laboratory of Security Communication Institute of Southwestern Communication Chengdu610041 China State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and Telecommunications Beijing100876 China CAS Key Laboratory of Quantum Information University of Science and Technology of China Hefei230026 China

We first experimentally demonstrated discrete-modulated continuous-variable quantum key distribution over 100.93 km of standard single-mode fiber using probabilistic shaped 16QAM. The results show that a secret key ra... 详细信息

ISBN: (纸本)9798350379266

关键词： Single mode fibers

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Fault－tolerant multi－biometric recognition system based on neural network

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IEEE Transactions on Instrumentation and Measurement 2025年 74卷

作者： Zhang, Zhongxia Zhang, Wenzheng Pan, Shanhai China Electronics Technology Cyber Security Co Lt Chengdu610041 China Science and Technology on Communication Security Laboratory Chengdu610041 China No.30 Institute of China Electronics Technology Group Corporation Chengdu610041 China

The multi-biometric system ingeniously integrates multiple homogenous or heterogeneous biometric features, enhancing the precision and security of identity verification compared to single biometric systems. However, this advantage comes with the challenge of increased costs, primarily due to the need for additional acquisition devices. Besides, biometric characteristics are vulnerable to damage in practical applications, thereby affecting recognition performance. To solve the above problems, this paper innovatively proposes a fault-tolerant multi-biometric system based on homogeneous five-finger vein images, effectively avoiding the extra costs associated with integrating heterogeneous biometric features. The system sets threshold conditions for successful recognition: when the number of correct finger vein images meeting the requirements reaches a preset standard. In other words, this system possesses fault tolerance, allowing for a certain number of users’ finger characteristics to be damaged. This establishes a flexible threshold recognition mechanism that enhances the system’s practicality and reliability. Specifically, an attention weight model (AWModel) was initially developed to dynamically adjust the weight strategy and effectively reinforce the significance of each sample in the overall analysis. Subsequently, a convolutional attention model (CAModel) was further designed to explore and extract in-depth features of the data. Finally, the features extracted by AWModel and CAModel were seamlessly integrated to form a more comprehensive and representative feature for classification. The experiment was conducted on three public databases, fully validating the system’s recognition performance and fault tolerance in multi-biometric fields. © 1963-2012 IEEE.

关键词： Biometrics

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Design and Implementation of Big Data Analysis Algorithm in Ciphertext Domain Based on Homomorphic Encryption 3

Design and Implementation of Big Data Analysis Algorithm in ...

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3rd International Conference on Applied Machine Learning, ICAML 2021

作者： Huang, Yun Fan Tang, Dian Hua Zhao, Wei Ren, Juan Yu, Xiao Peng Science and Technology on Communication Security Laboratory Chengdu610041 China

ISBN: (纸本)9781665421256

As a new technology emerging in the era of Internet big data, cloud computing has huge storage space and tough computing power, providing a solution for the analysis and processing of big data. However, with the concern of privacy disclosure, data analysis in plaintext can not meet the needs of privacy protection. Therefore, the data security issues in the process of cloud computing need to be solved. Homomorphic encryption technology has the characteristics of computing on encrypted data, which can provide security protection for privacy data in cloud computing. In this paper, combined with CKKS homomorphic encryption scheme, using two different packing encoding methods based on row encoding and column encoding, we design different ciphertext data analysis algorithm schemes, including ciphertext mean calculation, ciphertext variance calculation, ciphertext covariance matrix calculation, etc., to achieve privacy protection in the process of big data analysis. In the order of millions of data sets, the ciphertext data analysis can achieve second order response. At the same time, the ciphertext analysis algorithm proposed in this paper supports multi-dimensional sample data sets. The experimental results show that the ciphertext data analysis under 16-dimensional data sets reaches 23.49 seconds. © 2021 IEEE

关键词： Data privacy

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A General Model for Publicly Verifiable Secret Sharing 5th

A General Model for Publicly Verifiable Secret Sharing

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5th International Conference on Intelligent, Interactive Systems and Applications, IISA 2020

作者： Zhao, Wei Li, Feng Science and Technology on Communication Security Laboratory Chengdu610041 China

ISBN: (纸本)9783030637835

Publicly verifiable secret sharing (PVSS) is of remarkable significance for confidential data processing and storage in complex interactive systems. In this correspondence subtly deviating properties of preceding PVSS models are studied and a general PVSS model is proposed to satisfy possible requirements without ambiguity. The new model comprises a secret sharing algorithm, a secret recovering algorithm, cryptosystems for shareholders and relative zero-knowledge protocols. Two kinds of security for PVSS are formally defined: all-or-nothing security and indistinguishability security. It is also justified that the zero-knowledge protocol in the distribution phase does not influence security for the new PVSS model. © 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Digital storage

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Simple and Fast Polarization Tracking algorithm for Continuous-Variable Quantum Key Distribution System Using Orthogonal Pilot Tone

arXiv

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arXiv 2023年

作者： Pan, Yan Wang, Heng Shao, Yun Pi, Yaodi Ye, Ting Zhang, Shuai Li, Yang Huang, Wei Xu, Bingjie The Science and Technology on Communication Security Laboratory Institute of Southwestern Communication Chengdu610041 China

To reduce the influence of random channel polarization variation, especially fast polarization perturbation, for continuous-variable quantum key distribution (CV-QKD) systems, a simple and fast polarization tracking algorithm is proposed and experimentally demonstrated. The algorithm is implemented by an orthogonal pilot tone scheme, one of the pilot tones is used for estimating the polarization rotation angle, and the other one is used for compensating the polarization perturbation introduced phase noise. Meanwhile, residual effects are compensated precisely with the help of a real-valued FIR filter. In this case, the excess noise introduced by polarization perturbation is effectively suppressed. Experimental results show that the polarization scrambling rate ≥ 12.57 krad/s can be tracked by using the proposed algorithm, and a good estimated parameters performance is achieved. Compared to conventional polarization tracking algorithms such as the constant modulus algorithm (CMA), experimental results show that the polarization tracking capability of the proposed algorithm is significantly improved. Furthermore, much faster polarization tracking performance is evaluated by digital simulations, and the simulation results show that about 188.50 Mrad/s can be tracked by the proposed algorithm. Thus, our method provides effective technology for the practical application of fiber-based CV-QKD. © 2023, CC BY.

关键词： Polarization

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Practical Phase Noise Model for Continuous Variable Quantum Key Distribution with a Real Local Oscillator 19

Practical Phase Noise Model for Continuous Variable Quantum ...

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19th International Conference on Optical communications and Networks, ICOCN 2021

作者： Shao, Yun Huang, Wei Li, Yang Wang, Heng Pan, Yan Pi, Yaodi Zhang, Chenlin Xu, Bingjie Science and Technology on Communication Security Laboratory Institute of Southwestern Communication Chengdu610041 China

ISBN: (纸本)9781665424462

In continuous-variable quantum key distribution with a local local oscillator (LLO CV-QKD), the phase noise after phase compensation is mainly composed of three parts: the relative phase drift noise, the relative phase accumulated noise, and the phase-reference measurement noise. Here, we develop a practical phase noise model for LLO CV-QKD protocols, in which part of the phase-reference measurement noise that can be locally calibrated by Bob at the receiver side is considered to be trusted noise. It is reasonable to adopt this model because Bob’s apparatus is inaccessible to the eavesdropper. We show that the secret key rate and the transmission distance of the LLO CV-QKD system under the practical phase noise model is significantly improved in comparison to that under the conventional phase noise model. We show that the secret key rate is improved more than 65% and the transmission distance is increased more than 70% with some typical simulation parameters. © 2021 IEEE.

关键词： Quantum cryptography

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25 MHz repetition rate pilot-tone-assisted Gaussian-modulated continuous-variable quantum key distribution with a local local oscillator 19

25 MHz repetition rate pilot-tone-assisted Gaussian-modulate...

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19th International Conference on Optical communications and Networks, ICOCN 2021

作者： Wang, Heng Pi, Yaodi Shao, Yun Pan, Yan Huang, Wei Li, Yang Xu, Bingjie Science and Technology on Communication Security Laboratory Institute of Southwestern Communication Chengdu610041 China

ISBN: (纸本)9781665424462

We experimentally demonstrate a 25 MHz repetition rate pilot-tone-assisted Gaussian-modulated continuous-variable quantum key distribution (CVQKD) with a local local oscillator (LLO) by employing the frequency-multiplexing and polarization-multiplexing techniques. In the proposed LLO-CVQKD system, the strong pilot tone and weak quantum signal can be separated in different frequency and polarization domain for avoiding the crosstalk between them and guaranteeing different detection requirements of low-noise for quantum signal and high-saturation limitation for pilot tone. Moreover, the dominant phase noise over 25 km optical fiber channel can be compensated in real time for supporting high secure key rate of 1.61 Mbps in the asymptotic regime. © 2021 IEEE.

关键词： Quantum cryptography

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