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Fine Grained Updates in Cloud Using Third Party Auditing

Authors(3):

M Paventhan, C Murugavel, S Rajadurai
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Users of cloud storage services no longer physically maintain direct control over their data, which makes data security one of the major concerns of using cloud. Existing research work already allows data integrity to be verified without possession of the actual data file. When the verification is done by a trusted third party, this verification process is also called data auditing and this third party is called an auditor. We call coarse-grained updates. As a result, every small update will cause re-computation and updating of the authenticator for an entire file block, which in turn causes higher storage and communication overheads. We provide a formal analysis for possible types of fine-grained data updates and propose a scheme that can fully support authorized auditing and fine-grained update requests. Based on our scheme, we also propose an enhancement that can dramatically reduce communication overheads for verifying small updates. Theoretical analysis and experimental results demonstrate that our scheme can offer not only enhanced security and flexibility, but also significantly lower overhead for big data applications with a large number of frequent small updates

M Paventhan, C Murugavel, S Rajadurai

Cloud Computing, Data Security, Provable Data Possession Authorized Auditing, Fine-Grained Dynamic Data Update

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Publication Details

Published in : Volume 1 | Issue 2 | March-April - 2015
Date of Publication Print ISSN Online ISSN
2015-04-25 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
269-273 IJSRSET152240   Technoscience Academy

Cite This Article

M Paventhan, C Murugavel, S Rajadurai, "Fine Grained Updates in Cloud Using Third Party Auditing ", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 1, Issue 2, pp.269-273, March-April-2015.
URL : http://ijsrset.com/IJSRSET152240.php