With increase in awareness about cloud computing potential for transforming their business, more and more enterprises are moving application to cloud and migrating data to cloud. However allowing data to be accessed by a cloud service provider ( CSP) raises concern over its security and privacy. One solution to keep sensitive data confidential against an untrusted CSP is store only the encrypted data in the cloud. Here is a research framework to achieve the same in the following research paper.
Wang G. et al " Hierarchical attribute-based encryption and scalable user revocation for sharing data in cloud severs, Computers and Security, (2011) doi:10.1016/j.cose.2011.05.006
