Mutual Trust to Provide Data Security in Cloud Environment
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 3
Abstract
Abstract: We introduce a model for provable data possession (PDP) that allows a client that has stored data at an untrusted server to verify that the server possesses the original data without retrieving it. The model generates probabilistic proofs of possession by sampling random sets of blocks from the server, which drastically reduces I/O costs. The client maintains a constant amount of metadata to verify the proof. The challenge/response protocol transmits a small, constant amount of data, which minimizes network communication. Thus, the PDP model for remote data checking supports large data sets in widely-distributed storage systems. It is also superior in performance by minimizing the use of expensive public-key cryptography in metadata management. We present the architecture and implementation of various SHAROES com- ponents and our experiments demonstrate performance superior to other proposals by over 40% on a number of benchmarks.
Authors and Affiliations
Srinivas Kolli , Ch. Sravan Kumar , Dr P. Chenna Reddy,
Keywords
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