检索结果-南通市图书馆

A New Encryption Mechanism Supporting the Update of Encrypted Data for Secure and Efficient Collaboration in the Cloud Environment

引用

Computer Modeling in Engineering & Sciences 2025年第1期142卷 813-834页

作者： Chanhyeong Cho Byeori Kim Haehyun Cho Taek-Young Youn department of cyber security Dankook UniversityYongin16890Republic of Korea department of Software Soongsil UniversitySeoul07027Republic of Korea

With the rise of remote collaboration,the demand for advanced storage and collaboration tools has rapidly ***,traditional collaboration tools primarily rely on access control,leaving data stored on cloud servers vulnerable due to insufficient *** paper introduces a novel mechanism that encrypts data in‘bundle’units,designed to meet the dual requirements of efficiency and security for frequently updated collaborative *** bundle includes updated information,allowing only the updated portions to be reencrypted when changes *** encryption method proposed in this paper addresses the inefficiencies of traditional encryption modes,such as Cipher Block Chaining(CBC)and Counter(CTR),which require decrypting and re-encrypting the entire dataset whenever updates *** proposed method leverages update-specific information embedded within data bundles and metadata that maps the relationship between these bundles and the plaintext *** utilizing this information,the method accurately identifies the modified portions and applies algorithms to selectively re-encrypt only those *** approach significantly enhances the efficiency of data updates while maintaining high performance,particularly in large-scale data *** validate this approach,we conducted experiments measuring execution time as both the size of the modified data and the total dataset size *** show that the proposed method significantly outperforms CBC and CTR modes in execution speed,with greater performance gains as data size ***,our security evaluation confirms that this method provides robust protection against both passive and active attacks.

关键词： Cloud collaboration mode of operation data update efficiency

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Enhancing Deepfake Detection:Proactive Forensics Techniques Using Digital Watermarking

引用

Computers, Materials & Continua 2025年第1期82卷 73-102页

作者： Zhimao Lai Saad Arif Cong Feng Guangjun Liao Chuntao Wang School of Automation Guangdong University and TechnologyGuangzhou510006China School of Immigration Administration(Guangzhou) China People’s Police UniversityGuangzhou510663China department of Mechanical Engineering College of EngineeringKing Faisal UniversityAl Ahsa31982Saudi Arabia cyber Police Division Guangzhou Public Security BureauGuangzhou510030China School of Forensic Science and Technology Guangdong Police CollegeGuangzhou510320China College of Mathematics and Informatics South China Agricultural UniversityGuangzhou510642China

With the rapid advancement of visual generative models such as Generative Adversarial Networks(GANs)and stable Diffusion,the creation of highly realistic Deepfake through automated forgery has significantly *** paper examines the advancements inDeepfake detection and defense technologies,emphasizing the shift from passive detection methods to proactive digital watermarking *** detection methods,which involve extracting features from images or videos to identify forgeries,encounter challenges such as poor performance against unknown manipulation techniques and susceptibility to counter-forensic *** contrast,proactive digital watermarking techniques embed specificmarkers into images or videos,facilitating real-time detection and traceability,thereby providing a preemptive defense againstDeepfake *** offer a comprehensive analysis of digitalwatermarking-based forensic techniques,discussing their advantages over passivemethods and highlighting four key benefits:real-time detection,embedded defense,resistance to tampering,and provision of legal ***,the paper identifies gaps in the literature concerning proactive forensic techniques and suggests future research directions,including cross-domain watermarking and adaptive watermarking *** systematically classifying and comparing existing techniques,this review aims to contribute valuable insights for the development of more effective proactive defense strategies in Deepfake forensics.

关键词： Deepfake proactive forensics digital watermarking traceability detection techniques

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Practical Privacy-Preserving ROI Encryption System for Surveillance Videos Supporting Selective Decryption

引用

Computer Modeling in Engineering & Sciences 2024年第12期141卷 1911-1931页

作者： Chan Hyeong Cho Hyun Min Song Taek-Young Youn department of cyber security Dankook UniversityYonginGyeonggi-Do16890Republic of Korea

With the advancement of video recording devices and network infrastructure,we use surveillance cameras to protect our valuable *** paper proposes a novel system for encrypting personal information within recorded surveillance videos to enhance efficiency and *** proposed method leverages Dlib’s CNN-based facial recognition technology to identify Regions of Interest(ROIs)within the video,linking these ROIs to generate unique *** IDs are then combined with a master key to create entity-specific keys,which are used to encrypt the ROIs within the *** system supports selective decryption,effectively protecting personal information using surveillance ***,the system overcomes the limitations of existing ROI recognition technologies by predicting unrecognized frames through *** research validates the proposed technology through experimental evaluations of execution time and post-processing techniques,ensuring comprehensive personal information *** for setting the thresholds used in this process are also *** the proposed method could serve as an effective solution to security vulnerabilities that traditional approaches fail to address.

关键词： Privacy de-identification selective decryption surveillance video

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Novel Architecture of security Orchestration, Automation and Response in Internet of Blended Environment

引用

Computers, Materials & Continua 2022年第10期73卷 199-223页

作者： Minkyung Lee Julian Jang-Jaccard Jin Kwak ISAA Lab Department of Cyber SecurityAjou UniversitySuwon16499Korea department of Computer Science and Information Technology Massey UniversityAuckland0745New Zealand department of cyber security Ajou UniversitySuwon16499Korea

New technologies that take advantage of the emergence of massive Internet of Things(IoT)and a hyper-connected network environment have rapidly increased in recent *** technologies are used in diverse environments,such as smart factories,digital healthcare,and smart grids,with increased security *** intend to operate security Orchestration,Automation and Response(SOAR)in various environments through new concept definitions as the need to detect and respond automatically to rapidly increasing security incidents without the intervention of security personnel has *** facilitate the understanding of the security concern involved in this newly emerging area,we offer the definition of Internet of Blended Environment(IoBE)where various convergence environments are interconnected and the data analyzed in *** define Blended Threat(BT)as a security threat that exploits security vulnerabilities through various attack surfaces in the *** propose a novel SOAR-CUBE architecture to respond to security incidents with minimal human intervention by automating the BT response *** security Orchestration,Automation,and Response(SOAR)part of our architecture is used to link heterogeneous security technologies and the threat intelligence function that collects threat data and performs a correlation analysis of the *** is operated under Collaborative Units of Blended Environment(CUBE)which facilitates dynamic exchanges of data according to the environment applied to the IoBE by distributing and deploying security technologies for each BT type and dynamically combining them according to the cyber kill chain stage to minimize the damage and respond efficiently to BT.

关键词： Blended threat(BT) collaborative units for blended environment(CUBE) internet of blended environment(IoBE) security orchestration,automation and response(SOAR)

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Impact Analysis of Resilience Against Malicious Code Attacks via Emails

引用

Computers, Materials & Continua 2022年第9期72卷 4803-4816页

作者： Chulwon Lee Kyungho Lee department of Information security Korea UniversitySeoul02841Korea Institute of cyber security&Privacy Korea UniversitySeoul02841Korea

The damage caused by malicious software is increasing owing to the COVID-19 pandemic,such as ransomware attacks on information technology and operational technology systems based on corporate networks and social infrastructures and spear-phishing attacks on business or research ***,several studies have been conducted to prevent further phishing emails in the workplace because malware attacks employ emails as the primary means of ***,according to the latest research,there appears to be a limitation in blocking email spoofing through advanced blocking systems such as spam email filtering solutions and advanced persistent threat ***,experts believe that it is more critical to restore services immediately through resilience than the advanced prevention program in the event of damage caused by malicious *** accordance with this trend,we conducted a survey among 100 employees engaging in information security regarding the effective factors for countering malware attacks through ***,we confirmed that resilience,backup,and restoration were effective factors in responding to phishing *** contrast,practical exercise and attack visualization were recognized as having little effect on malware *** conclusion,our study reminds business and supervisory institutions to carefully examine their regular voluntary exercises or mandatory training programs and assists private corporations and public institutions to establish counter-strategies for dealing with malware attacks.

关键词： cyberattack resilience malicious code spear-phishing

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

SEOT: Secure dynamic searchable encryption with outsourced ownership transfer

引用

Frontiers of Computer Science 2023年第5期17卷 165-177页

作者： Jianwei LI Xiaoming WANG Qingqing GAN department of Information Science and Technology Jinan UniversityGuangzhou 510632China department of cyber security Guangdong University of Foreign StudiesGuangzhou 510006China

When one enterprise acquires another,the electronic data of the acquired enterprise will be transferred to the acquiring *** particular,if the data system of acquired enterprise contains a searchable encryption mechanism,the corresponding searchability will also be *** this paper,we introduce the concept of Searchable Encryption with Ownership Transfer(SEOT),and propose a secure SEOT *** on the new structure of polling pool,our proposed searchable encryption scheme not only achieves efficient transfer of outsourced data,but also implements secure transfer of data ***,we optimize the storage cost for user to a desirable *** prove our scheme can achieve the secure characteristics,then carry out the performance evaluation and *** results demonstrate that our scheme is superior in efficiency and practicability.

关键词： cloud computing ownership transfer searchable encryption forward secure outsourced computation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Utilizing blockchains in opportunistic networks for integrity and confidentiality

引用

Blockchain(Research and Applications) 2024年第1期5卷 31-38页

作者： Samaneh Rashidibajgan Thomas Hupperich cyber security Department of Information SystemsUniversity of Münster80539 MünsterGermany

Opportunistic networks(OppNets)are usually a set of smart,wearable,and portable devices or entities with mobility that connect wirelessly without requiring *** a network is of great importance in data transmission,particularly in incidents and disasters,whether man-made or ***,message integrity and confidentiality are of concern when dealing with vital and physiological data transmission under strict privacy *** this work,we propose a structure to classify messages based on their priority in different ***,due to the decentralized architecture of OppNets,we propose a blockchain-based structure for providing security for high-priority *** contains three sequences of functional blocks with a light and simplified implementation that make it suitable for battery-powered wearable devices that are limited in energy consumption and computational *** simulation results show that by increasing the number of nodes in the network,the average of the changes in block sizes is neglectable,which addresses the computation ***,we analyze the performance of the proposed structure in terms of message delivery and network overhead compared with the Epidemic and Prophet routing *** results indicate advancing the overall performance of the proposed algorithm.

关键词： Opportunistic networks Blockchain Message integrity Message confidentiality

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A Hierarchy Distributed-Agents Model for Network Risk Evaluation Based on Deep Learning

引用

Computer Modeling in Engineering & Sciences 2019年第7期120卷 1-23页

作者： Jin Yang Tao Li Gang Liang Wenbo He Yue Zhao College of cyber security Department of Computing and SoftwareSichuan UniversityChengduChina McMaster University Science and Technology on Communication Security LaboratoryCanada Science and Technology on Communication security Laboratory ChengduChina

Deep Learning presents a critical capability to be geared into environments being constantly changed and ongoing learning dynamic,which is especially relevant in Network Intrusion *** this paper,as enlightened by the theory of Deep Learning Neural Networks,Hierarchy Distributed-Agents Model for Network Risk Evaluation,a newly developed model,is *** architecture taken on by the distributed-agents model are given,as well as the approach of analyzing network intrusion detection using Deep Learning,the mechanism of sharing hyper-parameters to improve the efficiency of learning is presented,and the hierarchical evaluative framework for Network Risk Evaluation of the proposed model is ***,to examine the proposed model,a series of experiments were conducted in terms of NSLKDD *** proposed model was able to differentiate between normal and abnormal network activities with an accuracy of 97.60%on NSL-KDD *** the results acquired from the experiment indicate,the model developed in this paper is characterized by high-speed and high-accuracy processing which shall offer a preferable solution with regard to the Risk Evaluation in Network.

关键词： Network security deep learning(DL) intrusion detection system(IDS) distributed agents

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Portable and Efficient Implementation of CRYSTALS-Kyber Based on WebAssembly

引用

Computer Systems Science & Engineering 2023年第8期46卷 2091-2107页

作者： Seog Chung Seo HeeSeok Kim department of Financial Information security Kookmin UniversitySeoul02707Korea department of cyber security College of Science and TechnologyKorea UniversitySejong30019Korea

With the rapid development of quantum computers capable of realizing Shor’s algorithm,existing public key-based algorithms face a significant security ***-Kyber has been selected as the only key encapsulation mechanism(KEM)algorithm in the National Institute of Standards and Technology(NIST)Post-Quantum Cryptography(PQC)*** this study,we present a portable and efficient implementation of a Crystals-Kyber post-quantum KEM based on WebAssembly(Wasm),a recently released portable execution framework for high-performance web *** now,most Kyber implementations have been developed with native programming languages such as C and *** there are a few previous Kyber implementations based on JavaScript for portability,their performance is significantly lower than that of implementations based on native programming ***,it is necessary to develop a portable and efficient Kyber implementation to secure web applications in the quantum computing *** Kyber software is based on JavaScript and Wasm to provide portability and efficiency while ensuring quantum ***,the overall software is written in JavaScript,and the performance core parts(secure hash algorithm-3-based operations and polynomial multiplication)are written in ***,we parallelize the number theoretic transform(NTT)-based polynomial multiplication using single instruction multiple data(SIMD)functionality,which is available in *** three steps in the NTT-based polynomial multiplication have been parallelized with Wasm SIMD intrinsic *** software outperforms the latest reference implementation of Kyber developed in JavaScript by×4.02(resp.×4.32 and×4.1),×3.42(resp.×3.52 and×3.44),and×3.41(resp.×3.44 and×3.38)in terms of key generation,encapsulation,and decapsulation on Google Chrome(***,and Microsoft Edge).As far as we know,this is the first software implementation of Kyber with Wasm technology in the web enviro

关键词： Crystals-kyber post-quantum cryptosystem(PQC) javascript WebAssembly SIMD web application internet of things(IoT) edge computing

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

SecBCS: a secure and privacy-preserving blockchain-based crowdsourcing system

引用

Science China(Information Sciences) 2020年第3期63卷 20-33页

作者： Chao LIN Debiao HE Sherali ZEADALLY Neeraj KUMAR Kim-Kwang Raymond CHOO Key Laboratory of Aerospace Information security and Trusted Computing Ministry of EducationSchool of Cyber Science and Engineering Wuhan University State Key Laboratory of Cryptology College of Communication and Information University of Kentucky department of Computer Science and Engineering Thapar University department of Information Systems and cyber security and department of Electrical and Computer Engineering University of Texas at San Antonio

A robust and scalable crowd management infrastructure is crucial in addressing operational challenges when deploying high-density sensors and actuators in a smart city. While crowdsourcing is widely used in crowd management, conventional solutions, such as Upwork and Amazon Mechanical Turk, generally depend on a trusted third-party platform. There exist several potential security concerns(e.g., sensitive leakage, single point of failure and unfair judgment) in such a centralized paradigm. Hence, a recent trend in crowdsourcing is to leverage blockchain(a decentralized ledger technology) to address some of the existing limitations. A small number of blockchain-based crowdsourcing systems(BCSs) with incentive mechanisms have been proposed in the literature, but they are generally not designed with security in mind. Thus, we study the security and privacy requirements of a secure BCS and propose a concrete solution(i.e., SecBCS)with a prototype implementation based on JUICE.

关键词： crowdsourcing blockchain secure privacy-preserving smart contract

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：