Secure Deduplication Scheme for Cloud Encrypted Data

Vishal Passricha, Ashish Chopra and Shubhanshi Singhal
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Vishal Passricha: National Institute of Technology Kurukshetra, India
Ashish Chopra: National Institute of Technology Kurukshetra, India
Shubhanshi Singhal: Technology Education and Research Integrated Institutions, Kurukshetra, India

International Journal of Advanced Pervasive and Ubiquitous Computing (IJAPUC), 2019, vol. 11, issue 2, 27-40

Abstract: Cloud storage (CS) is gaining much popularity nowadays because it offers low-cost and convenient network storage services. In this big data era, the explosive growth in digital data moves the users towards CS but this causes a lot of storage pressure on CS systems because a large volume of this data is redundant. Data deduplication is an effective data reduction technique. The dynamic nature of data makes security and ownership of data as a very important issue. Proof-of-ownership schemes are a robust way to check the ownership claimed by any owner. However, this method affects the deduplication process because encryption methods have varying characteristics. A convergent encryption (CE) scheme is widely used for secure data deduplication. The problem with the CE-based scheme is that the user can decrypt the cloud data while he has lost his ownership. This article addresses the problem of ownership revocation by proposing a secure deduplication scheme for encrypted data. The proposed scheme enhances the security against unauthorized encryption and poison attack on the predicted set of data.

Date: 2019
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