Cloud computing key management mechanism for cloud storage

Cloud storage is one of the most popular services in cloud computing environment. A crucial problem to be addressed in the cloud storage concerns the security mechanism of protecting the private data and sharing data with other users. In this paper, we present a hypergraphs key management scheme to protect the safety of owner´s data and enforce the data access control. Our scheme is suitable for personal cloud storage and especially available to enterprise users to management their key of different kinds of resources.