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Client-Side Deduplication for Protection of a Private Data in Cloud Storage

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Data deduplication technology is used for improving the storage efficiency of cloud storage by comparing the data to be uploaded with the data stored on the cloud storage. Metadata are generated from the uploaded data, and by using these metadata, a list of the data stored in the cloud storage and the corresponding ownership details are managed. However, when these metadata are leaked or falsified, an attacker can obtain the ownership of the data stored in the cloud storage. A poison attack occurs when the attacker uploads the forged data to the data server after requesting a deduplication for the metadata server. In this paper, on the basis of data validation and proof of ownership, we propose a method to avoid poison attacks and forged ownership attacks.
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Keywords: Cloud Storage; Convergent Encryption; Data Deduplication; Proof of Ownership

Document Type: Research Article

Affiliations: Department of Computer Science Engineering, Soonchunhyang University, Asan-si, 31238, Republic of Korea

Publication date: September 1, 2016

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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