In this paper we define and provide a general construction for a class of policies we call dynamic policies. In most existing systems, policies are implemented and enforced by ch...
Prasad Naldurg, Roy H. Campbell, M. Dennis Mickuna...
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
We present a symbolic framework for refinement and composition of security protocols. ework uses the notion of ideal functionalities. These are abstract systems which are secure b...
Some of the non interference properties studied in [4, 6, 18] for information flow analysis in computer systems, notably Æ , are reformulated here in a realtime setting. This is...
Security is increasingly becoming an important issue in the design of real-time parallel applications, which are widely used in the industry and academic organizations. However, ex...