International Journal of Advanced Research in Computer Science and Software Engineering (IJARCSSE)
Cloud computing is going to be very popular technology in IT enterprises. For any enterprise the data stored is very huge and invaluable. Since all tasks are performed through network it has become vital to have the secured use of legitimate data. In cloud computing the most important matter of concern are data security and privacy along with flexibility, scalability and fine grained access control of data are the other requirements to be maintained by cloud systems. Access control is one of the prominent research topics and hence various schemes have been proposed and implemented.