Hence distributed cloud environment, multi cloud is utilized. In the subsisting system, when client shops his information on multi-cloud servers, ye distributed store plus integrity checking are in peril. Provable data possession is a method for ascertaining the integrity of data in storage outsourcing.In recent years, cloud storage accommodation has become a more expeditious profit magnification by providing its features for client’s data. Privacy preservation and data integrity are the two main issues faced by single cloud accommodation providers. It will check clients data kept safely without downloading the whole data. This protocol eliminates certificate management, efficient and flexible.The proposed ID-DPDP protocol able to provide client’s identity with his private key and provably secure under the hardness postulation of the standard CDH quandary.
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Cloud Computing, Multi Cloud, Provable Data Possession, Data Integrity Checking.