Cloud computing is continuously developing as a predominant data interactive standard to realize users’ data remotely stored in an online cloud server. Cloud services provide great amenities for the users to enjoy the on-demand cloud applications without considering the local groundwork boundaries. During the data retrieving, different users may be in a cooperative relationship and thus data distribution becomes substantial to achieve creative benefits. Though the user’s data is not accessed by unwanted sources, the other’s data is exposed to risk by request for sharing.