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Xiaoning Jiang
Zhejiang Gongshang University

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Implementation of a File System with Encryption and De-duplication Xiaoning Jiang; Xian Jiang; Wenhua Zhou; Yang Leng
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 9: September 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i9.pp6445-6453

Abstract

With the rapid advance of society, especially the development of computer technology, network technology and information technology, there is an increasing demand for systems that can provide secure data storage in a cost-effective manner. In this paper, we propose a prototype file system called EDFS (Encryption and De-duplication File System), which provides both data security and space efficiency in storage systems. We adopt de-duplication technology called CDC (Content-Defined Chunking) to chunk the file and compute its unique fingerprint, lookup different blocks, then store different blocks on server to ensure storage efficiency. Thinking of security, we use convergent encryption to encrypt data blocks, which not only ensure data security but also improve the possibility of de-duplication. Finally, we describe a prototype implementation of EDFS based on FUSE [1] and present an analysis of the potential effectiveness, using real data obtained from a runtime database.
Design on Controlling-Management System of Gas Station Xiaoning Jiang; Jing Liu
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 4: April 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

 With the sustained and rapid growth of domestic fuel consumption, consumers have made more and more high demand on the service of gas station. A stable and efficient refueling system which based on IC card is developed in this paper. The main purpose of this system is to realize the communication of pos terminal and tanker efficiently through protocol conversion, and the required functions of pos terminal and tanker are also achieved. In order to monitor the gas station much more conveniently, we design a real-time monitoring front-end interface which based on Ajax technology, and we can also control the tanker through the front-end interface. A stable refueling system can improve the economic benefit and company's core competitiveness. For it can provide scientific management and effective control of money, staff, oil, oil depot, equipment and so on. So refueling system has realistic necessity and important meaning of improving the working efficiency of the gas station and reducing the operational of the various costs. DOI : http://dx.doi.org/10.11591/telkomnika.v12i4.4924
Co-Authors Jing Liu Wenhua Zhou Xian Jiang Yang Leng