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A New Edge Perturbation Mechanism for Privacy-Preserving Data Collection in IOT

Chinese Journal of Electronics 2023年第3期32卷 603-612页

作者： CHEN Qiuling YE Ayong ZHANG Qiang HUANG Chuan College of Computer and Cyber Security Fujian Normal University Fujian Provincial Key Laboratory of Network Security and Cryptology

A growing amount of data containing the sensitive information of users is being collected by emerging smart connected devices to the center server in Internet of things(IoT) era, which raises serious privacy concerns for millions of users. However, existing perturbation methods are not effective because of increased disclosure risk and reduced data utility, especially for small data sets. To overcome this issue, we propose a new edge perturbation mechanism based on the concept of global sensitivity to protect the sensitive information in IoT data collection. The edge server is used to mask users' sensitive data, which can not only avoid the data leakage caused by centralized perturbation, but also achieve better data utility than local perturbation. In addition, we present a global noise generation algorithm based on edge perturbation. Each edge server utilizes the global noise generated by the center server to perturb users' sensitive data. It can minimize the disclosure risk while ensuring that the results of commonly performed statistical analyses are identical and equal for both the raw and the perturbed data. Finally, theoretical and experimental evaluations indicate that the proposed mechanism is private and accurate for small data sets.

关键词： Data privacy Sensitivity Statistical analysis Perturbation methods Data collection Data models Servers

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Method and Practice of Trusted Embedded Computing and Data Transmission Protection Architecture Based on Android

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Chinese Journal of Electronics 2024年第3期33卷 623-634页

作者： Yichuan WANG Wen GAO Xinhong HEI Yanning DU School of Computer Science and Engineering Xi'an University of Technology Shaanxi Key Laboratory for Network Computing and Security Technology

In recent years,the rapid development of Internet technology has constantly enriched people's daily life and gradually changed from the traditional computer terminal to the mobile *** with it comes the security problems brought by the mobile *** for Android system,due to its open source nature,malicious applications continue to emerge,which greatly threatens the data security of ***,this paper proposes a method of trusted embedded static measurement and data transmission protection architecture based on Android to reduce the risk of data leakage in the process of terminal storage and *** conducted detailed data and feasibility analysis of the proposed method from the aspects of time consumption,storage overhead and *** experimental results show that this method can detect Android system layer attacks such as self-booting of the malicious module and improve the security of data encryption and transmission process *** with the native system,the additional performance overhead is small.

关键词： TrustZone Static measurement Data leakage Android

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Remote Data Auditing for Cloud-Assisted WBANs with Pay-as-You-Go Business Model

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Chinese Journal of Electronics 2023年第2期32卷 248-261页

作者： LI Yumei ZHANG Futai School of Computer Science Hubei University of Technology Fujian Provincial Key Laboratory of Network Security and Cryptology College of Computer and Cyber SecurityFujian Normal University

As an emerging technology, cloud-assisted wireless body area networks(WBANs) provide more convenient services to users. Recently, many remote data auditing protocols have been proposed to ensure the data integrity and authenticity when data owners outsourced their data to the cloud. However, most of them cannot check data integrity periodically according to the pay-as-you-go business model. These protocols also need high tag generation computation overhead, which brings a heavy burden for data owners. Therefore, we construct a lightweight remote data auditing protocol to overcome all above drawbacks. Our work can be deployed in the public environment without secret *** makes use of certificate-based cryptography which gets rid of certificate management problems, key escrow problems, and secret channels. The security analysis illustrates that the proposed protocol is secure. Moreover, the performance evaluation implies that our work is available in cutting down computation and communication overheads.

关键词： Wireless communication Performance evaluation Protocols Computational modeling Data integrity Data models Computational efficiency

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Blockchain and signcryption enabled asynchronous federated learning framework in fog computing

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Digital Communications and networks 2025年第2期11卷 442-454页

作者： Zhou Zhou Youliang Tian Jinbo Xiong Changgen Peng Jing Li Nan Yang State Key Laboratory of Public Big Data College of Computer Science and TechnologyGuizhou UniversityGuiyang 550025China Fujian Provincial Key Laboratory of Network Security and Cryptology College of Computer and Cyber SecurityFujian Normal UniversityFuzhou 350117China Guangxi Key Laboratory of Cryptography and Information Security Guilin University of Electronic TechnologyGuilin 541004China

Federated learning combines with fog computing to transform data sharing into model sharing,which solves the issues of data isolation and privacy disclosure in fog ***,existing studies focus on centralized single-layer aggregation federated learning architecture,which lack the consideration of cross-domain and asynchronous robustness of federated learning,and rarely integrate verification mechanisms from the perspective of *** address the above challenges,we propose a Blockchain and Signcryption enabled Asynchronous Federated Learning(BSAFL)framework based on dual aggregation for cross-domain *** particular,we first design two types of signcryption schemes to secure the interaction and access control of collaborative learning between ***,we construct a differential privacy approach that adaptively adjusts privacy budgets to ensure data privacy and local models'availability of intra-domain ***,we propose an asynchronous aggregation solution that incorporates consensus verification and elastic participation using ***,security analysis demonstrates the security and privacy effectiveness of BSAFL,and the evaluation on real datasets further validates the high model accuracy and performance of BSAFL.

关键词： Blockchain Signcryption Federated learning Asynchronous Fog computing

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Experimental realization of quantum controlled teleportation of arbitrary two-qubit state via a five-qubit entangled state

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Chinese Physics B 2022年第5期31卷 101-106页

作者： Xiao-Fang Liu Dong-Fen Li Yun-Dan Zheng Xiao-Long Yang Jie Zhou Yu-Qiao Tan Ming-Zhe Liu School of Computer and Network Security Chengdu University of TechnologyChengdu 610059China

Quantum controlled teleportation is the transmission of the quantum state under the supervision of a third *** paper presents the theoretical and experimental results of an arbitrary two-qubit quantum controlled teleportation scheme,in which the sender Alice only needs to perform two Bell state measurements and the receiver Bob can perform an appropriate unitary operation to reconstruct the arbitrary two-qubit states under the control of the supervisor *** operation process of the scheme is verified on the IBM quantum experience platform,and the accuracy of the transmitted quantum state is further checked by performing quantum state ***,a good fidelity is obtained by using the theoretical density matrix and the experimental density matrix.A sequence of photonic states is introduced to analyze the possible intercept-replace-resend,intercept-measure-resend,and entanglement-measure-resend attacks on this *** results proved that our scheme is highly secure.

关键词： IBM quantum experience controlled quantum teleportation fidelity quantum state tomography

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A new quantum key distribution resource allocation and routing optimization scheme

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Chinese Physics B 2024年第3期33卷 244-259页

作者：毕琳袁晓同吴炜杰林升熙 School of Computer Science and Technology Changchun University of Science and TechnologyChangchun 130012China Key Laboratory of Network and Information Security in Jilin Province Changchun 130012China

Quantum key distribution(QKD)is a technology that can resist the threat of quantum computers to existing conventional cryptographic ***,due to the stringent requirements of the quantum key generation environment,the generated quantum keys are considered valuable,and the slow key generation rate conflicts with the high-speed data transmission in traditional optical *** this paper,for the QKD network with a trusted relay,which is mainly based on point-to-point quantum keys and has complex changes in network resources,we aim to allocate resources reasonably for data packet ***,we formulate a linear programming constraint model for the key resource allocation(KRA)problem based on the time-slot ***,we propose a new scheduling scheme based on the graded key security requirements(GKSR)and a new micro-log key storage algorithm for effective storage and management of key ***,we propose a key resource consumption(KRC)routing optimization algorithm to properly allocate time slots,routes,and key *** results show that the proposed scheme significantly improves the key distribution success rate and key resource utilization rate,among others.

关键词： quantum key distribution(QKD) resource allocation key storage routing algorithm

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DE-DFKD: diversity enhancing data-free knowledge distillation

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Multimedia Tools and Applications 2024年 1-28页

作者： Liu, Yanni Ye, Ayong Chen, Qiulin Zhang, Yuexin Chen, Jianwei College of Computer and Cyber Security Fujian Normal University Fuzhou350117 China Fujian Provincial Key Laboratory of Network Security and Cryptology Fuzhou350117 China

Data-Free Knowledge Distillation (DFKD) can be used to train students using synthetic data, when the original dataset of the teacher network is not accessible. However, existing studies mainly focus on how to use the prior knowledge of the teacher network to synthesize data, ignoring the lack of diversity of synthesized data, which leads to the inability of the student network to learn the real data distribution and low robustness. In this paper, we propose a Diversity-Enhanced Data-Free Knowledge Distillation (DE-DFKD) method based on the idea of generative image modelling, which introduces conditional generative networks and metric learning to solve the problem of class imbalance and single intra-class data distribution in synthetic datasets. The experimental results show that DE-DFKD synthesizes better quality data on MNIST, CIFAR-10, and CIFAR-100 datasets with Frechet Inception Distance (FID) values of 51.79, 60.25, and 50.1, respectively, and higher accuracy of student networks compared with existing schemes. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2024.

关键词： Generative adversarial networks

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Blockchain-Based Framework for Secure Sharing of Cross-Border Trade Data

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computers, Materials & Continua 2025年第5期83卷 2351-2373页

作者： Shenjian Xiao Xiaoli Qin Yanzhao Tian Zhongkai Dang School of Cyberspace Security Hainan UniversityHaikou570208China National Computer Network Emergency Response Technical Team Coordination Center of ChinaBeijing100029China

The advent of the digital age has consistently provided impetus for facilitating global trade,as evidenced by the numerous customs clearance documents and participants involved in the international trade process,including enterprises,agents,and government ***,the urgent issue that requires immediate attention is how to achieve secure and efficient cross-border data sharing among these government departments and enterprises in complex trade *** addressing this need,this paper proposes a data exchange architecture employing Multi-Authority Attribute-Based Encryption(MA-ABE)in combination with blockchain *** scheme supports proxy decryption,attribute revocation,and policy update,while allowing each participating entity to manage their keys autonomously,ensuring system security and enhancing trust among *** order to enhance system decentralization,a mechanism has been designed in the architecture where multiple institutions interact with smart contracts and jointly participate in the generation of public *** with the multi-party process execution engine Caterpillar has been shown to boost the transparency of cross-border information flow and cooperation between different *** scheme ensures the auditability of data access control information and the visualization of on-chain data *** MA-ABE scheme is statically secure under the q-Decisional Parallel Bilinear Diffie-Hellman Exponent(q-DPBDHE2)assumption in the random oracle model,and can resist ciphertext rollback attacks to achieve true backward and forward *** analysis and experimental results demonstrate the appropriateness of the scheme for cross-border data collaboration between different institutions.

关键词： Multi-authority attribute based encryption blockchain data sharing access control

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Weighted Attribute Based Conditional Proxy Re-Encryption in the Cloud

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computers, Materials & Continua 2025年第4期83卷 1399-1414页

作者： Xixi Yan Jing Zhang Pengyu Cheng Henan Key Laboratory of Network Cryptography Technology Network Information Security and Cryptography LaboratorySchool of SoftwareHenan Polytechnic UniversityJiaozuo454003China School of Computer Science and Technology Henan Polytechnic UniversityJiaozuo454000China

Conditional proxy re-encryption(CPRE)is an effective cryptographic primitive language that enhances the access control mechanism and makes the delegation of decryption permissions more granular,but most of the attribute-based conditional proxy re-encryption(AB-CPRE)schemes proposed so far do not take into account the importance of user attributes.A weighted attribute-based conditional proxy re-encryption(WAB-CPRE)scheme is thus designed to provide more precise decryption rights *** introducing the concept of weight attributes,the quantity of system attributes managed by the server is reduced *** the same time,a weighted tree structure is constructed to simplify the expression of access structure *** conditional proxy re-encryption,large amounts of data and complex computations are outsourced to cloud servers,so the data owner(DO)can revoke the user’s decryption rights directly with minimal *** scheme proposed achieves security against chosen plaintext attacks(CPA).Experimental simulation results demonstrated that the decryption time is within 6–9 ms,and it has a significant reduction in communication and computation cost on the user side with better functionality compared to other related schemes,which enables users to access cloud data on devices with limited resources.

关键词： Cloud service conditional proxy re-encryption user revocation weighted attribute

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Greenhouse management system based on multi-node data fusion and visual recognition 4

Greenhouse management system based on multi-node data fusion...

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4th International Conference on Electronic Information Engineering and computer Communication, EIECC 2024

作者： Lai, Xinmiao Ren, Xinyi Liu, Yangsen Jiang, Sirui Zhang, Xinyue Fei, Junshu Chengdu University of Technology School of Computer and Network Security Sichuan Chengdu China

ISBN: (纸本)9798331534622

With the rapid development of smart agriculture, especially in managing greenhouse greenhouses with large areas, the current popular monitoring methods have limitations in their measurements. To make the system monitoring more comprehensive and remote control more convenient, this paper proposes a more integrated system design. This monitoring system uses ZigBee wireless communication technology for data transmission, multi-node data processing through data fusion algorithms, training YOLOv5 model for plant leaf pest and disease identification, uploading data to the IoT cloud platform for storage, and remotely controlling peripherals such as greenhouse lights, windows, and so on through APP. Based on the tomato planting environment for system debugging, monitoring the tomato growing environment and leaf diseases, disease recognition accuracy is about 90%, and farmers can adjust the planting mode in time, to realize science and technology to help farmers. © 2024 IEEE.

关键词： Zigbee

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