International Journal of Engineering Research & Technology (IJERT)
Cloud computing is a internet based computing which enables sharing of services. Many users place their data in the cloud, so correctness of data and security is a prime concern. This work studies the problem of ensuring the integrity and security of data storage in Cloud Computing. Security in cloud. To ensure the correctness of data, the authors consider the task of allowing a Third Party Auditor (TPA), on behalf of the Cloud client, to monitor the integrity of the data stored in the cloud by utilizing public key and private key based.