Structured Document Model and Its Secure Access Control in Cloud Computing

Structured document plays a vital role in the information carrier for realizing information exchange and dissemination in cloud computing. However, there is no prior work on discussing structured document model which is appropriate for describing the special "live" characteristics of the structured document in cloud. In this paper, we leverage the multilevel security to present a new structured document model to solve the complex creation, access and management issues of the structured document in cloud computing. Furthermore, we employ identity-based encryption algorithm and propose a fine-grained access control scheme to protect the security of the sensitive and privacy information of the structured document in cloud computing. Comprehensive analyses indicate that our structured document model is suitable for the special "live" document characteristics and is appropriate for the cloud computing environment.