检索结果-内蒙古大学图书馆

A new attribute anonymity algorithm in cloud computing environment

JOURNAL OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2019年第1_suppl期19卷 S259-S267页

作者： Chen, Xi Yuan, Yuan Liu, Yani Cao, Runqiang Panzhihua Univ Panzhihua 617000 Sichuan Peoples R China Sichuan Coll Architectural Technol Deyang 610399 Sichuan Peoples R China

In order to effectively solve the problem of data security in cloud computing, a hierarchical multi-authorization attribute-based encryption (HM-ABE) scheme is proposed. The authorization center of different privileges controls the different attributes and distributes the private key components. It greatly reduces the workload of a single authority. At the same time, it prevents joint attacks from illegal users. The standard security model is established to prove that the HM-ABE scheme reaches INA-CPA security. Through the experiment simulation, the performance is analyzed. The results show that the HMABE scheme implements a secure, efficient and flexible system access control. The flexibility of the attribute set is greatly improved. It adapts to more complex fine-grained access control.

关键词： Cloud computing attribute base encryption privacy protection encryption algorithm

来源：评论

学校读者我要写书评

暂无评论

An efficient and secure Diffie-Hellman key agreement protocol based on Chebyshev chaotic map

引用

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION 2011年第6期16卷 2383-2389页

作者： Yoon, Eun-Jun Jeon, Il-Soo Kumoh Natl Inst Technol Sch Elect Engn Gumi 730701 Gyeongbuk South Korea Kyungpook Natl Univ Sch Elect Engn & Comp Sci Taegu 702701 South Korea

This paper proposes a new efficient and secure Diffie-Hellman key agreement protocol based on Chebyshey chaotic map. The proposed key agreement protocol uses the semi-group property of Chebyshev polynomials to agree Diffie-Hellman based session key. The proposed protocol provides strong security compared with the previous related protocols. In addition, the proposed protocol does not require any timestamp information and greatly reduces computational costs between communication parties. As a result, the proposed protocol is more practical and provides computational/communicational efficiency compare with several previously proposed key agreement protocols based on Chebyshev chaotic map. (C) 2010 Elsevier B.V. All rights reserved.

关键词： encryption algorithm Chebyshev chaotic map Key agreement protocol Cryptography Network security

来源：评论

学校读者我要写书评

暂无评论

Image compression-encryption scheme using SPIHT and chaotic systems

引用

JOURNAL OF INFORMATION SECURITY AND APPLICATIONS 2021年 63卷

作者： Laiphrakpam, Dolendro Singh Waikhom, Leepeng Singh Brahma, Digambar Baruah, Pratikshit Biswas, Sarthak Natl Inst Technol Silchar Dept Comp Sci & Engn Silchar India

The world is moving towards digitization for all forms of data. Images are one of the most used data that contains a lot of information. With the increasing network technology, the sharing of data across the internet has also manifold. Certain images are confidential and require security for storing or transmitting on an insecure communication channel. Digital images usually have highly correlated data where compression can be performed to reduce the load on the transmission channel or storage memory. The paper proposes an algorithm to compress the digital images and encryption is performed on the compressed data to provide security. Compression of the image is performed using the Set partitioning in hierarchical trees algorithm. The compressed image is encrypted using a chaotic sequence generated using the Henon map and the cipher image is scrambled using a permutation table obtained from Piecewise Linear chaotic map. To reduce the computation while generating the chaotic sequence, a base conversion operation is used. The initial parameters of the chaotic systems are generated from the elliptic curve point are shared securely using ElGamal based elliptic curve cryptosystem. Security analyses are conducted along with a comparison with other existing systems. The proposed algorithm is secured against various attacks and outperforms existing techniques concerning various statistical and security aspects of an enciphering algorithm.

关键词： encryption algorithm Image compression Elliptic curve cryptography Chaotic map Security analysis

来源：评论

学校读者我要写书评

暂无评论

A human resource management model based on blockchain technology

引用

INTERNATIONAL JOURNAL OF INNOVATION AND SUSTAINABLE DEVELOPMENT 2024年第5-6期18卷 705-724页

作者： Yin, Dongmei Zhangjiakou Univ Coll Econ & Business Adm Zhangjiakou 075000 Peoples R China

In order to manage human resource information safely and effectively, this paper studies the human resource management model based on blockchain technology. The client node obtains the human resource information through the intelligent terminal, submits it to the SDK access node, encrypts and signs it with the encryption algorithm, and then transmits it to the blockchain network. The consistency node of the blockchain network uses the improved practical byzantine fault tolerance (PBFT) consistency algorithm to pack the information into blocks, complete the charging process and broadcast it to the master node. The master node broadcasts the billing copy to the storage node to complete the secure storage of human resource information. The experimental results show that the model has advantages in human resource information encryption, submission and new user identity authentication. The model provides guarantee for the effective implementation of human resource management.

关键词： blockchain technology human resource management encryption algorithm PBFT consensus algorithm smart contract

来源：评论

学校读者我要写书评

暂无评论

Research on digital forensics method of 5G communication system in the future based on direct intermediate frequency sampling

引用

INTERNATIONAL JOURNAL OF AUTONOMOUS AND ADAPTIVE COMMUNICATIONS SYSTEMS 2022年第1期15卷 46-62页

作者： Luo, Xian Liao, Rongtao Hu, Huanjun Ye, Yuxuan Informat & Commun Branch Hubei EPC Wuhan 430074 Peoples R China

To overcome the problems of low efficiency and poor security in the process of digital forensics, a digital forensics method based on direct if sampling for 5G communication system is proposed. In this method, the modulation parameters of the communication signal are obtained by the feature extraction algorithm of the receiver's in pulse signal, and the ontology model of digital forensics is constructed based on the ontology theory: analyse the disk image and judge the file category according to the pattern feature recognition results of the radiation source signal in 5g communication system;determine the hash value and information entropy, and generate the key index;summarise the digital forensics results and generate the digital forensics report. The simulation results show that the data processing efficiency is over 25/Mbps, and the successful attack rate in the security performance test is 2.89%.

关键词： intermediate frequency sampling 5G communication system digital forensics intra pulse feature mobile terminal encryption algorithm modulation parameters the ontology model

来源：评论

学校读者我要写书评

暂无评论

Research on medical data storage and sharing model based on blockchain

引用

High-Confidence Computing 2023年第3期3卷 61-67页

作者： Jian Zhao Wenqian Qiang Zisong Zhao Tianbo An Zhejun Kuang Dawei Xu Lijuan Shi College of Network Security Changchun UniversityChangchun 130022China College of Computer Science and Technology Changchun UniversityChangchun 130022China College of Electronic Information Engineering Changchun UniversityChangchun 130022China

With the process of medical informatization,medical diagnosis results are recorded and shared in the form of electronic data in the ***,the security of medical data storage cannot be effectively protected and the unsafe sharing of medical data among different institutions is still a hidden danger that cannot be *** solve the above problems,a secure storage and sharing model of private data based on blockchain technology and homomorphic encryption is *** on the idea of blockchain decentralization,the model maintains a reliable medical alliance chain system to ensure the safe transmission of data between different institutions;A privacy data encryption and computing protocol based on homomorphic encryption is constructed to ensure the safe transmission of medical data;Using its complete anonymity to ensure the Blockchain of medical data and patient identity privacy;A strict transaction control management mechanism of medical data based on Intelligent contract automatic execution of preset instructions is *** security verification,compared with the traditional medical big data storage and sharing mode,the model has better security and sharing.

关键词： Blockchain encryption algorithm Medical data Secure message processing systems storage models Shared-resource systems

来源：评论

学校读者我要写书评

暂无评论

Study on Strategy of Account Security Based on SQL Server Database

Study on Strategy of Account Security Based on SQL Server Da...

引用

1st International Conference on E-Business and Information System Security

作者： Zhang, Hong-yan Wang, Wei Henan Inst Engn Dept Comp Zhengzhou Peoples R China

ISBN: (纸本)9781424429097

As the aggregation of information, database system is the core part of computer information system. The security of the database system is of great importance, as the important resource of the website, the security of its account is even more a focus of network security. According to the encrypt and encryption algorithm characteristics of database, to protect the security of database account, method can be used through setting unique value and implementing double hash encryption during encrypting.

关键词： Hash security encryption algorithm unique value

来源：评论

学校读者我要写书评

暂无评论

Experiences from Using the CORAS Methodology to Analyze a Web Application

引用

JOURNAL OF CASES ON INFORMATION TECHNOLOGY 2005年第3期7卷 110-130页

作者： den Braber, Folker Mildal, Arne Bjorn Nes, Jone Stolen, Ketil Vraalsen, Fredrik Leiden Univ Comp Sci Leiden Netherlands NetCom IT & Internet Responsibil IT Dev Activ Oslo Norway NetCom Oslo Norway SINTEF Qual & Secur Technol Grp Dept Cooperat & Trusted Syst Informat & Commun Technol Trondheim Norway SINTEF Informat & Commun Technol Cooperat & Trusted Syst Grp Trondheim Norway

During a field trial performed at the Norwegian telecom company NetCom from May 2003 to July 2003, a methodology for model-based risk analysis was assessed. The chosen methodology was the CORAS methodology (CORAS, 2000), which has been developed in a European research project carried out by 11 European companies and research institutes partly funded by the European Union. The risk analysis and assessment were carried out by the Norwegian research institute SINTEF in cooperation with NetCom. NetCom (***) is one of the main mobile phone network providers in Norway. Their 'MinSide' application offers their customers access to their personal account information via the Internet, enabling them to view and change the properties of their mobile phone subscription. 'MinSide' deals with a lot of sensitive customer information that needs to be secure, while at the same time being easily available to the customer in order for the service to remain usable and competitive. The goal of the analysis was to identify risks in relation to the use of the 'MinSide' application and, where possible, suggest treatments for these risks. This was achieved through two model-driven brainstorming sessions based on system documentation in the form of UML sequence diagrams and data flow diagrams.

关键词： access control authentication case study computer viruses cost benefits analysis cost estimation data security digital signature encryption algorithm hacker Internet privacy IS project teams iterative design passwords risk management security risk

来源：评论

学校读者我要写书评

暂无评论

Library data protection and threat detection system based on network security

引用

INTERNATIONAL JOURNAL OF INFORMATION AND COMPUTER SECURITY 2024年第1-2期24卷 137-153页

作者： Xiong, Jianxin Wang, Xianping Hunan Univ Arts & Sci Changde 415000 Hunan Peoples R China Chongqing Univ Arts & Sci Yongchuan 402160 Chongqing Peoples R China

Traditional libraries may have security risks such as data breach, network attack and virus infection, which requires a library data protection and threat detection system based on network security to effectively manage and protect. Based on the premise of network security, this article focused on analysing library data protection and threat detection, constructing a library data protection and threat detection system using encryption algorithms, and testing its performance. According to the experimental results, it can be concluded that the average response time of unknown threats in the library data protection and threat detection system based on network security ranged from 0.4 s to 0.8 s under different test times. It can be seen that the system not only performs well, but also has very good user satisfaction. This article aimed to ensure the security of users' use of library resources and services through effective threat detection and data protection measures.

关键词： library data protection threat detection network security encryption algorithm security vulnerability scanning data breach

来源：评论

学校读者我要写书评

暂无评论

Investigation and application of key technologies of aggregated flash payment based on marketing blockchain in the context of massive distributed generation grid connection

引用

INTERNATIONAL JOURNAL OF EMERGING ELECTRIC POWER SYSTEMS 2023年第4期24卷 465-474页

作者： Wang, Chao Zhang, Qingfang Yang, Pengfei Si, Xiaofeng Zhou, Li State Grid Gansu Elect Power Co Lanzhou 730000 Gansu Peoples R China State Grid Gansu Elect Power Co Mkt Serv Ctr Lanzhou 730000 Gansu Peoples R China

Optical flash payment technology is a form of optical flash payment application. Its payment scenario is mainly to directly realize "card free payment" in the consumption process through mobile devices, Bluetooth and other connection methods on mobile terminal devices such as smart phones under the mobile Internet environment. The "flash payment" is a more convenient payment method and a new payment channel without the function of electronic wallet. Compared with the current mainstream payment methods, it is more collaborative and complementary. Aggregated payment is a fourth party payment platform, which is different from Alipay, WeChat and other third payment platforms. Aggregated payment is a combination of technology and a platform that combines multiple payment methods. Based on the background of massive distributed power generation connected to the grid, this paper studied the key technologies of flash payment in combination with marketing blockchain, and discussed the data sharing mechanism of marketing information in multiple scenarios from the perspective of marketing blockchain by studying the data sharing mechanism in different scenarios. In this paper, a distributed optical flash payment system and a blockchain based encryption algorithm were proposed. Based on this research, the experimental results of key technologies of aggregated optical flash payment based on marketing blockchain were analyzed. The experimental results in this paper showed that 38.7 % of the users contacted the aggregation payment through the online platform. 11.7 % of people communicated through chatting with friends, and 9.8 % of enterprises got in touch through preferential policies. 4.5 % of them publicized through the media, and 8.3 % made requests through payment plans. 21 % of them transferred money through remittance, and 6 % of them got it through other ways. When using aggregate payment, the main reasons for users to choose aggregate payment were the network, friends chatt

关键词： aggregated flash payment encryption algorithm grid connection of distributed power generation key technologies marketing blockchain

来源：评论

学校读者我要写书评

暂无评论

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

请选择保存的检索档案：

请选择收藏分类：

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

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

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：