Privacy has been acknowledged to be a critical requirement for many business (and non-business) environments. Therefore, the definition of an expressive and easy-to-use privacyre...
Obligations are pervasive in modern systems, often linked to access control decisions. We present a very general model of obligations as objects with state, and discuss its interac...
Daniel J. Dougherty, Kathi Fisler, Shriram Krishna...
The paper describes the design and implementation of a security architecture for a Cooperative Information System implemented with CORBA technologies. We first define a role-based...
This paper argues that Napoleon, a flexible, role-based access control (RBAC) modeling environment, is also a practical solution for enforcing business process control, or workflo...
Charles N. Payne, D. J. Thomsen, J. Bogle, Richard...
With Hidden Credentials Alice can send policyencrypted data to Bob in such a way that he can decrypt the data only with the right combination of credentials. Alice gains no knowle...