An Efficient Data Compression Scheme for Reduction of Cloud Storage Space

Abstract

Important challenge concerning cloud storage services is data management of rising volume. Convergent encryption will makes sure of secured data in the process of deduplication. Process of convergent encryption was proposed to put into effect data privacy while making of deduplication practicable. For protecting of security in an effective means our work will make an initial attempt to deal with difficulty of authorized data deduplication. Although data deduplication will bring several issues of benefits, security as well as privacy takes place as user sensitive data is vulnerable to attacks. Differential privileges of users are measured in duplicate check in addition to data itself and this is different from the de-duplication methods of earlier ones. In our work we sort out authorization difficulty of deduplication above data within public cloud and also deal with the privacy preserving problem of deduplication within cloud computing. We put forward a novel de-duplication system supporting for Differential Authorization and Authorized Duplicate Check.
Keywords: Convergent encryption; De-duplication; Privacy preserving; Cloud computing; Differential privileges; Data management; Cloud storage