RESOLVING DATA DE-DUPLICATION IN CLOUD COMPUTING

Cloud storage allows cloud users to overcome space constraints and extend their storage without upgrading their computers as one of the essential cloud computing services. Data is often outsourced in an encrypted form to ensure the security and privacy of cloud users. On the other hand, encrypted data could waste a lot of cloud storage space and make data sharing among approved users more difficult. Encrypted data storage and management of deduplication continue to be a problem. Traditional deduplication systems are often based on particular application situations in which data owners or cloud servers have complete control over deduplication. They are unable to meet the diverse demands of data owners based on the degree of data sensitivity. This paper suggests a multiple Cloud Service Providers (CSPs) model in which the data owner uploads the file, and the hash MD5 algorithm is used to search for data replication during cloud CSP storage. With different security criteria, it can achieve data deduplication and access control. We’ve also suggested a method known as Provable Ownership of the File (POF). As a consequence, data storage management is more safe, reliable, and efficient.