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Issue No. 12 - Dec. (2013 vol. 24)
ISSN: 1045-9219
pp: 2375-2385
Ayad Barsoum , University of Waterloo, Waterloo
Anwar Hasan , University of Waterloo, Waterloo
Storage-as-a-service offered by cloud service providers (CSPs) is a paid facility that enables organizations to outsource their sensitive data to be stored on remote servers. In this paper, we propose a cloud-based storage scheme that allows the data owner to benefit from the facilities offered by the CSP and enables indirect mutual trust between them. The proposed scheme has four important features: 1) it allows the owner to outsource sensitive data to a CSP, and perform full block-level dynamic operations on the outsourced data, i.e., block modification, insertion, deletion, and append, 2) it ensures that authorized users (i.e., those who have the right to access the owner's file) receive the latest version of the outsourced data, 3) it enables indirect mutual trust between the owner and the CSP, and 4) it allows the owner to grant or revoke access to the outsourced data. We discuss the security issues of the proposed scheme. Besides, we justify its performance through theoretical analysis and a prototype implementation on Amazon cloud platform to evaluate storage, communication, and computation overheads.
Cloud computing, Access control, Storage automation, Outsourcing,access control, Outsourcing data storage, dynamic environment, mutual trust
Ayad Barsoum, Anwar Hasan, "Enabling Dynamic Data and Indirect Mutual Trust for Cloud Computing Storage Systems", IEEE Transactions on Parallel & Distributed Systems, vol. 24, no. , pp. 2375-2385, Dec. 2013, doi:10.1109/TPDS.2012.337
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