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Research Journal of Engineering and Technology
Year : 2015, Volume : 6, Issue : 2
First page : ( 301) Last page : ( 304)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2015.00046.X

Annexure Privacy Preserving Public Auditing for Data Storage Security in Cloud Computing

Nadekar Komal Gajanan*, Ramteke Siddhata Hushar**, Babulkar Priyanka Suresh***, Dhuriya Jotesh R.****, Prof. Aote Nikesh*****

Dept. of Computer Science and Engineering, Nagpur Institute of Technology, Nagpur, India,

*Corresponding Author Email: komalnadekar50@gmail.com

** rsiddhataramteke@gmail.com

*** priyanka.babulakar@gmail.com

**** joteshdhuriyadj@gmail.com

***** nikeshaote@gmail.com

Online published on 29 October, 2015.


Cloud computing is the long dreamed vision of computing as a utility, where users can remotely store their data into the cloud so as to enjoy the on-demand high quality applications and services from a shared pool of configurable computing resources. By data outsourcing, users can be relieved from the burden of local data storage and maintenance. Thus, enabling public auditability for cloud data storage security is of critical importance so that users can resort to an external audit party to check the integrity of outsourced data when needed. To securely introduce an effective third party auditor (TPA), the following two fundamental requirements have to be met: 1) TPA should be able to efficiently audit the cloud data storage without demanding the local copy of data, and introduce no additional on-line burden to the cloud user. Specifically, our contribution in this work can be summarized as the following three aspects. 2) We motivate the public auditing system of data storage security in Cloud Computing and provide a privacy-preserving auditing protocol, i.e., our scheme supports an external auditor to audit user's outsourced data in the cloud without learning knowledge on the data content. 3) To the best of our knowledge, our scheme is the first to support scalable and efficient public auditing in the Cloud Computing. In particular, our scheme achieves batch auditing where multiple delegated auditing tasks from different users can be performed simultaneously by the TPA. 4) We prove the security and justify the performance of our proposed schemes through concrete experiments and comparisons with the state-of-the-art.



Auditability, third party auditor (TPA), Cloud computing, privacy-preserving auditing protocol.


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