KSEFS:A ServerOriented Encrypted File System Supporting Cypertext Sharing

J4 ›› 2011, Vol. 33 ›› Issue (7): 1-5.

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KSEFS:A ServerOriented Encrypted File System Supporting Cypertext Sharing

HE Lianyue,LIAO Xiangke,FU Songling,TANG Xiaodong,DENG Kefeng

(School of Computer Science,National University of Defense Technology,Changsha 410073,China)

Received:2009-07-24 Revised:2009-11-05 Online:2011-07-21 Published:2011-07-25

Abstract

Abstract:

To solve the security problem in electronic data storage and exchange, this paper presents the technology of Encrypting Share Box (ESB). ESB is the basic encryption entity on the server, which can not only provide transparent data encryption storage, but also support a flexible encrypting data sharing among users. We also put forward a software architecture for the Kylin Serveroriented Encrypting File System (KSEFS). At the end of the paper, we evaluate the file system, and the results show that, compared with the normal file services, the performance is reduced only by 3% to 18%.

Key words: file system;encrypting share box;Kylin serveroriented encrypted file system;KSEFS

HE Lianyue,LIAO Xiangke,FU Songling,TANG Xiaodong,DENG Kefeng. KSEFS:A ServerOriented Encrypted File System Supporting Cypertext Sharing[J]. J4, 2011, 33(7): 1-5.

KSEFS:A ServerOriented Encrypted File System Supporting Cypertext Sharing

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