Abstract. Existing policy languages suffer from a limited ability of directly and elegantly expressing high-level access control principles such as history-based separation of dut...
We demonstrate how access control models and policies can be represented by using term rewriting systems, and how rewriting may be used for evaluating access requests and for provi...
It has been recognized for some time that software alone does not provide an adequate foundation for building a high-assurance trusted platform. The emergence of industry-standard ...
Ravi S. Sandhu, Xinwen Zhang, Kumar Ranganathan, M...
Today more and more security-relevant data is stored on computer systems; security-critical business processes are mapped to their digital counterparts. This situation applies to ...
Karsten Sohr, Michael Drouineaud, Gail-Joon Ahn, M...
Performance critical services over Internet often rely on geographically distributed architectures of replicated servers. Content Delivery Networks (CDN) are a typical example whe...