检索结果-南通市图书馆

A Privacy-preserving Algorithm for AC Microgrid Cyber-physical System Against False Data Injection Attacks

Journal of Modern Power Systems and Clean Energy 2023年第5期11卷 1646-1658页

作者： Jun Yang Yu Zhang College of Information Science and Engineering Northeastern UniversityShenyangChina Liaoning Provincial Transportation Planning and Design Institute Co. Ltd.ShenyangChina

A new privacy-preserving algorithm based on the paillier cryptosystem including a new cooperative control strategy is proposed in this paper, which can resist the false data injection(FDI) attack based on the finite-time control theory and the data encryption strategy. Compared with the existing algorithms, the proposed privacy-preserving algorithm avoids the direct transmission of the ciphertext of frequency data in communication links while avoiding complex iterations and communications. It builds a secure data transmission environment that can ensure data security in the AC microgrid cyber-physical system(CPS). This algorithm provides effective protection for AC microgrid CPS in different cases of FDI attacks. At the same time, it can completely eliminate the adverse effects caused by the FDI attack. Finally, the effectiveness, security, and advantages of this algorithm are verified in the improved IEEE 34-node test microgrid system with six distributed generators(DGs) in different cases of FDI attacks.

关键词： AC microgrid cyber-physical system(CPS) distributed cooperative control false data injection(FDI)attack paillier cryptosystem

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

Scalable and Privacy-Preserving Data Sharing Based on Blockchain

引用

Journal of Computer Science & Technology 2018年第3期33卷 557-567页

作者： Bao-Kun Zheng Lie-Huang Zhu Meng Shen Feng Gao Chuan Zhang Yan-Dong Li Jing Yang School of Computer Science and Technology Beijing Institute of Technology Beijing 100081 China School of Information Management for Law China University of Political Science and Law Beijing 102249 China

With the development of network technology and cloud computing, data sharing is becoming increasingly popular, and many scholars have conducted in-depth research to promote its flourish. As the scale of data sharing expands, its privacy protection has become a hot issue in research. Moreover, in data sharing, the data is usually maintained in multiple parties, which brings new challenges to protect the privacy of these multi-party data. In this paper, we propose a trusted data sharing scheme using blockchain. We use blockchain to prevent the shared data from being tampered, and use the paillier cryptosystem to realize the confidentiality of the shared data. In the proposed scheme, the shared data can be traded, and the transaction information is protected by using the （p, t）-threshold paillier cryptosystem. We conduct experiments in cloud storage scenarios and the experimental results demonstrate the efficiency and effectiveness of the proposed scheme.

关键词： data sharing privacy-preserving cloud computing blockchain paillier cryptosystem

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 Cryptograph Domain Image Retrieval Method Based on paillier Homomorphic Block Encryption

引用

Computers, Materials & Continua 2018年第5期55卷 285-295页

作者： Wenjia Xu Shijun Xiang Vasily Sachnev School of Information Science and Technology Jinan UniversityNo.601West Huangpu AvenueGuangzhou and 510632China Department of Information Communications and Electronic EngineeringThe Catholic University of KoreaSeoul and 02841South Korea

With the rapid development of information network,the computing resources and storage capacity of ordinary users cannot meet their needs of data *** emergence of cloud computing solves this problem but brings data security *** to manage and retrieve ciphertext data effectively becomes a challenging *** these problems,a new image retrieval method in ciphertext domain by block image encrypting based on paillier homomophic cryptosystem is proposed in this *** can be described as follows:According to the paillier encryption technology,the image owner encrypts the original image in blocks,obtains the image in ciphertext domain,then passes it to the third party *** server calculates the difference histogram of the image in ciphertext domain according to the public key and establishes the index *** user passes the retrieved image to the *** server computes the differential histogram of the retrieved image by public ***,compares the similarity of it with the histogram in index database and selects larger similarity images in ciphertext and send them to the *** user obtains the target image with the private *** experimental results show that the method is feasible and simple.

关键词： paillier cryptosystem homomorphic encryption image retrieval feature extraction difference histogram

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

Security of account and privacy of transaction for bitcoin

引用

The Journal of China Universities of Posts and Telecommunications 2018年第5期25卷 20-30,48页

作者： Liu Zhenhua Yuan Dong Liu Yaohui Li Yuanyuan School of Mathematics and Statistics Xidian University

As a kind of cryptocurrency, bitcoin has attracted much attention with its decentralization. However, there is two problems in the bitcoin transactions ： the account security and transaction privacy. In view of the above problems, a new partially blind threshold signature scheme is proposed, which can both enhance the security of bitcoin account and preserve the privacy of transaction. Firstly, transaction amounts are encrypted by employing the homomorphic paillier cryptosystem, and output address is disturbed by using one-time public key. Then the encrypted or disrupted transaction information is signed by multiple participants who are authorized by using threshold secret sharing. Compared with partially blind fuzzy signature scheme, the proposed scheme can fully preserve the transaction privacy. Furthermore, performance analysis shows that the proposed scheme is secure and effective in practical applications.

关键词： bitcoin account security threshold secret sharing transaction privacy one-time public key paillier cryptosystem

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

EPMDA:an efficient privacy-preserving multi-dimensional data aggregation scheme for edge computing-based IoT system

引用

The Journal of China Universities of Posts and Telecommunications 2021年第6期28卷 26-35页

作者： Tao Yunting Kong Fanyu Yu Jia School of Software Shandong UniversityJinan 250101China College of Computer Science and Technology Qingdao UniversityQingdao 266071China

In order to perform multi-dimensional data aggregation operations efficiently in edge computing-based Internet of things(IoT) systems, a new efficient privacy-preserving multi-dimensional data aggregation(EPMDA) scheme is proposed in this paper. EPMDA scheme is characterized by employing the homomorphic paillier encryption and SM9 signature algorithm. To improve the computation efficiency of the paillier encryption operation, EPMDA scheme generates a pre-computed modular exponentiation table of each dimensional data, and the paillier encryption operation can be implemented by using only several modular multiplications. For the multi-dimensional data, the scheme concatenates zeros between two adjacent dimensional data to avoid data overflow in the sum operation of ciphertexts. To enhance security, EPMDA scheme sets random number at the high address of the exponent. Moreover, the scheme utilizes SM9 signature scheme to guarantee device authentication and data integrity. The performance evaluation and comparison show that EPMDA scheme is more efficient than the existing multi-dimensional data aggregation schemes.

关键词： multi-dimensional data aggregation paillier cryptosystem Internet of things(IoT) edge computing-based

来源：

维普期刊数据库

同方期刊数据库

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

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

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

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：