A Dynamic RBAC Model Considering User Reliability

The role-based access control (RBAC) is an authorization access control mode applied widely. But the traditional RBAC model doesnot give the method to control the role assignment and it cannot assure the least priority of the role’s permission. During to the limitations of thetraditional RBAC system, this article introduces the conception of users’ reliability and roles instance to bring forward a dynamic RBAC modelconsidering the users’ reliability, It also gives the executing process of the model.