Access control in decentralised collaborative systems present huge challenges especially where many autonomous entities including organisations, humans, software agents from diff...
Oluwafemi Ajayi, Richard O. Sinnott, Anthony Stell
The richness of today’s electronic communications mirrors physical world: activities such as shopping, business and scientific collaboration are conducted online. Current intera...
This paper considers a new security protocol paradigm whereby principals negotiate and on-the-fly generate security protocols according to their needs. When principals wish to in...
Abstract. Trust-management systems address the authorization problem in distributed systems. They offer several advantages over other approaches, such as support for delegation and...
Hao Wang, Somesh Jha, Thomas W. Reps, Stefan Schwo...
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...