A Review on Access Control Policy and Key Generation in Data Sharing

This review is based on the access control policy and data sharing mechanisms. We know that Cloud computing is the best & proficient manner on handle our information remotely. Data Confidentiality is one of the chief problem now a day's. Security is also matters while data storing & sharing with others. Whenever we are using platform like cloud trust factor also considered. A lot of unauthorized community tries to access & steal the confidential data. In the current time cryptographic technologies are used to secure data. Sharing cloud data in between group of users at a best level is still a complicated issue, especially when dealing with dynamic users group .In this paper we present and discuss propose system which deals with dynamic user group problem like revocation and data privacy & make access control policy.