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CSP Dynamic Data and TTP Indirect Approach

Journal: International Journal of Trend in Scientific Research and Development (Vol.6, No. 4)

Publication Date:

Authors : ;

Page : 683-687

Keywords : Cloud computing; Data security; Data outsourcing; Cloud service provider; Mutual trust;

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In today's digital era, the amount of sensitive data produced by many organizations is outpacing their storage ability. The management of such huge amount of data is quite expensive due to the requirements of high storage capacity and qualified personnel. Storage as a Service SaaS offered by cloud service providers CSPs is a paid facility that enables organizations to outsource their data to be stored on remote servers. Thus, SaaS reduces the maintenance cost and mitigates the burden of large local data storage at the organization's end. A data owner pays for a desired level of security and must get some compensation in case of any misbehavior committed by the CSP. On the other hand, the CSP needs a protection from any false accusation that may be claimed by the owner to get illegal compensations. 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 First one, 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. Second one, 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. Next one, it enables indirect mutual trust between the owner and the CSP. Last one, 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 experimental evaluation of storage, communication, and computation overheads. Mr. Jaydeep Pawar | Prof. Sarika Bodke "CSP Dynamic Data & TTP Indirect Approach" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-4 , June 2022, URL: Paper URL:

Last modified: 2022-08-05 17:34:56