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