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The Research and Implementation of File-Safe Based Centralized Encryption Storage Technique

Author: ZhangLu
Tutor: HeLianYue
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Encrypting File System Data storage encryption Encrypted file system space Key Security decryption
CLC: TP333
Type: Master's thesis
Year: 2007
Downloads: 66
Quote: 0
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Abstract


Encrypting File System is a relatively new way encryption of data storage . Compared with the traditional data encryption , has made considerable progress in the availability and security . But the encrypted file system can only serve the users of the operating system , application services program user data can not play a protective role . To this end , this paper proposes a new method of protection application services program user data security : using Encrypting File System to encrypt data application service program . Firstly, research the user how to use the encrypted file system support application service program : proposed encrypted file system space technology , the encrypted data is classified by user system to the encrypted file system space ; each encrypted file system by allowing different user system user access space in the data , making the encrypted file system can directly serve the users of the application service program , and then provide a flexible service program for the operating system running on different storage encryption support . On this basis , the encrypted data to be shared among users to provide protection, the papers using the encrypted file system access control technology protect shared encrypted data . Paper further support application service procedures , how to ensure the Encrypting File System key security and efficient conduct of the study . To reduce the user the number of keys needed to decrypt and reduce the load of the network and user's smart card in the decryption key , the paper uses four key structure will require the number of users to decrypt the key holder for a ; key in the transmission for the prevention theft , papers with key security decryption technology , key \Based on these findings , the study design and centralized storage platform file encryption . Finally, given in KYLIN operating system implementation, and evaluation of its safety and performance . The evaluation of this study Encrypting File System I / O performance loss between 3.4-6.6% .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory
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