A Modified Model for Flexible Workflow Access Control

Draw on traditional access control technologies, this paper analyzes the advantages of Role Based Access Control Technology (RBAC) in realizing procedure permission dynamic management. Improve the problems of flexibility which exist in workflow access control, from the view of users, under the constraints such as the least privileges, separation of duties and load balancing of users, this paper constructs user security control model to realize the flexible authorization relations of Users-Roles-Permission. It also constructs the flexible workflow model of Role Based Access Control. In addition, it applies the model to construct a real work flow, in order to solve the problems of the flexible operation of resource and dynamic assigning tasks in the business process, and applies the engine into the specific business process.