Abstract. Permission-role assignment is an important issue in rolebased access control (RBAC). There are two types of problems that may arise in permission-role assignment. One is ...
The RBAC metaphor is powerful in its ability to express access control policy in terms of the way in which administrators view organizations. The functionality of simple Role Base...
Role Based Access Control is only a subset of the security management and distributed systems management. Yet, the characteristics and use of the role objects in RBAC or Role Base...
Role-based access control has been a focal area for many security researchers over the last decade. There have been a large number of models, and many rich specification language...
In this paper we want to share our experiences with implementing a scheme that enforces role based access control in a distributed, heterogeneous computing environment. This work ...