Enforcing rich policies in open environments will increasingly require the ability to dynamically identify external sources of information necessary to enforce different policies (...
Context-aware service platforms need to establish and manage trust relationships for users to know if the user's privacy policies are being enforced and for service providers ...
Ricardo Neisse, Maarten Wegdam, Marten van Sindere...
Distributed proof construction protocols have been shown to be valuable for reasoning about authorization decisions in open distributed environments such as pervasive computing sp...
We describe an approach to sensor-based authentication that can adapt to accommodate incomplete, unreliable, or inaccurate input provided to the system. Parameterized Authenticatio...
Michael J. Covington, Mustaque Ahamad, Irfan A. Es...
The increasing number of software-based attacks has attracted substantial efforts to prevent applications from malicious interference. For example, Trusted Computing (TC) technolo...
Xinwen Zhang, Michael J. Covington, Songqing Chen,...