International Journal of Computer Science Issues
The problem of tree structured data is that it requires different Integrity and confidentiality for different portion of same content. Integrity assurance technique not only applies integrity to received data by user, but also any compromise to data that must be precisely determined. In tree structures each node contains some content and structural relationships between the nodes. Therefore, it considers structural integrity and content integrity. Confidentiality means a user receives only those nodes as well as organized information to user has privilege according to access control policies, wherever one should not infer others information.