As the cloud computing science develops for the duration of the last decade, outsourcing knowledge to cloud service for storage becomes an attractive pattern, it’s nothing but remote gaining access to on heavy knowledge renovation and management. The content material shared by way of extraordinary privileges customers; arguably it raises security issues to guard the authorized knowledge whilst supporting data deduplication. Data Deduplication is one in all principal data compression strategies for taking away duplicate copies of repeating information, and has been commonly utilized in cloud storage to diminish the quantity of cupboard space and keep bandwidth. As more company and private users outsource their data to cloud storage providers, data breach incidents make end-to-end encryption. The convergent encryption technique proposed to encrypt the data earlier than outsourcing which provides a protocol that decrypt the ciphertext to supply data from the private to public cloud. The Advance encryption standard (AES) enhances the token generation for each and every user, Hybrid cloud appoarch is introduced. Data Deduplication is one in every of foremost information compression procedures for eliminating duplicate copies of repeating data, and has been broadly utilized in cloud storage to minimize the amount of storage space and bandwidth.

Keywords : Data Deduplication, Convergent Encryption, AES, Hybrid.