In modern centuries use of cloud computing in different mode like cloud storage, cloud servers, cloud hosting are increased in industries and other organization as per requirements. While considering the power, the stability and security of cloud one can't ignore different threats to user's data on cloud storage. File retrieve is an actual technique to guarantee the file safety in the cloud. But on the other hand, due to file outsourcing and unauthorized cloud servers. The file entrance produce an exciting issue in cloud storage systems.