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Cloud Storage Encryption small scale document storage management research and implementation

Author: LiYuQian
Tutor: LiRuiXuan
School: Huazhong University of Science and Technology
Course: Applied Computer Technology
Keywords: Internal cloud storage Encryption small documents Non-relational query language Value of the security model of restraint Ciphertext Management
CLC: TP333
Type: Master's thesis
Year: 2011
Downloads: 234
Quote: 0
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Abstract


In recent years, cloud computing and software as a service (SaaS software as a service) the rise of information storage cloud storage become a hot topic in the field . In the internal cloud storage , a large number of small documents usually by encryption manually archive is stored and managed centrally . Highly efficient storage management of these data -intensive encryption small documents , it is necessary to overcome the small document space utilization is low , metadata big problem, but also the need to support a variety of internal cloud environments ciphertext application services , such as random access files ciphertext full text retrieval, data security, backup , and should achieve effective ciphertext management, including access control, dynamic key replacement, flexible data partition management , resource monitoring. Internal cloud data storage management system in response to the performance security and service need a reasonable balance. The paper gives an internal cloud storage , large-scale document storage management system for encrypting small structures . Among them, the storage management design is based on non-relational query language (NoSQL) concept and open source cloud storage system, document storage for small encryption , backup and efficient access . For small documents in the archive encryption , storage and query process , document security requirements inherent in the introduction based access control, and make value-based security model constraints , enhanced cryptographic security of the small document itself . Finally, based on the results of the study , based on open source Hadoop implementation of the system ciphertext small document storage management prototype system MStore, some modules have been applied to cipher text retrieval system Mimir in . Mimir system based real environment have been filed in response to performance testing. Experimental results show that the overall system efficiency and safety on a certain balance contradictions .

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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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