Abstract
Cloud, being the most vulnerable next generation architecture consists of two major design elements i.e. the cloud service provider and the client. The architecture shifts data, applications and development environments to large data centers thereby providing storage, software and platformservices online. The notion on verifying data for intactness is termed as data auditing and the process is carried out by the client or by a third party auditor delegated by the client. The delegation model lessen client’s overhead but may not be fully trustworthy since the third party has direct acce ss to client’s private data. The third party auditing brings in many new security challenges,and one among those is untrusted TPA. In the process of avoiding such an access this work designs a well secured, novel verification scheme that allows the vulnerable third party to perform verification aswell as ensures data privacy in cloud.
Highlights
Cloud [1,2,3] basically comprises of three schemes which provide services such as storage, platform and infrastructure denoted as SaaS, PaaS and IaaS respectively
This paper proposes a metadata verification scheme where the TPA’s have restricted access to the data thereby solving trust issues in the cloud architecture
It considers the task of allowing a third party auditor, to verify the integrity of the dynamic data stored in the cloud
Summary
Cloud [1,2,3] basically comprises of three schemes which provide services such as storage, platform and infrastructure denoted as SaaS, PaaS and IaaS respectively These three play a vital role in the present day computing world. Cloud Service Provider holds huge amounts of private and critical data from diverse organizations and individuals who trusts [7,8,9] the storage provider on the privacy and integrity of the data. This is the cause that makes it the most vulnerable design element in the cloud architecture.
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