Storing of confidential data has become a most important thing these days. It is necessary that the data stored must remain
secured and should be accessed at the client’s request. Cloud computing helps us to store our files on the cloud. Hence it is very efficient
and helpful for a client’s point of view. But there are some security issues in this type of data storage. Thus by using encryption and
decryption techniques we can encrypt and decrypt the files as per the need of the client.