Duplication Removal and Auditing Check Over Cloud

As the cloud computing development creates the most recent decade, outsourcing information to cloud service for storage turns into an attractive example, which benets in saving efforts on substantial information maintain and manage, In any case, following the outsourced cloud storage is not completely reliable, it raises security worries on the most capable method to recognize information deduplication in cloud while accomplishing Integrity Auditing. In this work, the issue of integrity auditing and secure deduplication on cloud information. Specically, going for accomplishing both information integrity and deduplication in cloud, in this propose two protected frameworks, to be specific SecCloud and SecCloud+ with additionally block level deduplication is achieve for saving the storage space of cloud. SecCloud presents an auditing substance with an maintain a MapReduce cloud, which assists clients with producing information tags before transferring and in addition audit the integrity of information having been store in cloud. Compared with past work, the calculation by client in SecCloud is significantly minimizes during the le transferring and reviewing stages. SecCloud+ is create to motivate by the way that clients constantly need to encode their information before transferring, and empowers honesty evaluating and secure deduplication on encoded information.