Implementing Secure Authorized Deduplication Technique in Hybrid Cloud
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2015, Vol 3, Issue 9
Abstract
Using the cloud resources optimally, like reducing the amount of storage space and saving bandwidth, is a challenging task. This can be highly achieved by adopting one of the important data compression techniques for eliminating duplicate copies of repeating data called data de-duplication, and has been widely used in cloud storage to. To protect the confidentiality of sensitive data while supporting de-duplication, the convergent encryption technique has been proposed to encrypt the data before outsourcing. To better protect data security, this paper makes the first attempt to formally address the problem of authorized data deduplication. Different from traditional deduplication systems, the differential privileges of users are further considered in duplicate check besides the data itself. We also present several new de-duplication constructions supporting authorized duplicate check in a hybrid cloud architecture. Security analysis demonstrates that our scheme is secure in terms of the definitions specified in the proposed security model. As a proof of concept, we implement a prototype of our proposed authorized duplicate check scheme and conduct test-bed experiments using our prototype. We show that our proposed authorized duplicate check scheme incurs minimal overhead compared to normal operations.
Authors and Affiliations
Padyala Anusha| M.Tech (CSE)& Department (CSE) Usha Rama College of Engineering and Technology, A.P., India, G. Syam Prasad| Head of the Department (CSE) Usha Rama College of Engineering and Technology, A.P., India
Keywords
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