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Towards Data Isolation & Collaboration in Storage Cloud

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6 Author(s)
Qingni Shen ; MoE Key Lab. of Network & Software Assurance, Peking Univ., Beijing, China ; Xin Yang ; Xi Yu ; Pengfei Sun
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Cloud Storage has been turned into a common platform shared among varied organizations, even market competitors, thus has raised many security concerns. Most of the current researches focus on data encryption and decryption, in this paper, however, we take an alternative perspective-access control, to design and implement a secure solution for cloud storage, aiming to solve both the data isolation problem, which ensures that data in storage cloud owned by one company wouldn't be crossly accessed by other ones, and data collaboration problem, which makes data sharing between different organizations through storage cloud possible while still under the restriction of company data isolation. Besides, we have presented a pretty flexible security policy which could be easily customized to fit the variant security requirements in different cooperation. Finally, a prototype has been implemented based on HDFS by this policy, and the time cost is given and evaluated.

Published in:

Services Computing Conference (APSCC), 2011 IEEE Asia-Pacific

Date of Conference:

12-15 Dec. 2011