Improving Security and Integrity of Data Storage in Cloud Computing By Using Homomorphic Authentication technique

as we seen that, today’s generation of IT has widely use the cloud computing services, that means in future cloud computing will important part of IT enterprise. In which the application software and databases are stored at centralized large data storage. Now in cloud data center, management of data & services may not be fully trustworthy. This new phenomenon brings many security challenges. This paper focus on the integrity and security of data storage in cloud computing. The data integrity verification is done by introducing third party auditor (TPA) who has privileges to check the integrity of dynamic data in cloud on behalf of cloud client. Which is significant in economies achievement for cloud computing because TPA can eliminate the direct involvement of cloud client for auditing the data to be stored? Cloud client can get notification from TPA when the data integrity is lost. These systems also support data dynamics via the data operation such as modification, insertion, deletion. There is many work has been done but there is lacks the support of either public auditability or dynamic data operations. This paper achieves both public auditability and data dynamics. This work shows that proposed systems are highly efficient and secure.