FSACE: finite state automata-based client-side encryption for secure data deduplication in cloud computing
by Basappa B. Kodada; Demian Antony D'Mello
International Journal of Cloud Computing (IJCC), Vol. 12, No. 6, 2023

Abstract: Digital data is growing vastly and is generated from different sources in a structured manner, and the management of this high volume of data is critical, forcing clients to use storage services. The cloud storage server (CSS) has accumulated massive duplicate data. In reality, the computation overhead is increased on the storage server to manage these data with security aspects. Data deduplication is a widely used technique to reduce overhead on CSS. Several approaches have been proposed to address the issues of secure data deduplication (SDD). The convergent encryption (CE) is widely used for SDD to reduce computational overhead and improve storage efficiency, but CE algorithm faces threats from inner and outer adversaries. This paper proposes finite-state automata-based client-side encryption (FSACE) protocol to accomplish SDD to provide confidentiality, integrity and access control on data. The security analysis indicates, FSACE is secure enough to protect data from adversaries. We also evaluate the performance of protocol through experimentation and results that show decrease in computation overhead.

Online publication date: Fri, 03-Nov-2023

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