Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...
Covert channels are a critical concern for multilevel secure (MLS) systems. Due to their subtlety, it is desirable to use formal methods to analyze MLS systems for the presence of...
Federation has emerged as a key concept for identity management, as it is the basis to reduce complexity in the companies and improve user experience. However, the problem of esta...
Abstract. Practical computer (in)security is largely driven by the existence of and knowledge about vulnerabilities, which can be exploited to breach security mechanisms. Although ...
Abstract. Formal methods emphasizes the need for a top-down approach when developing large reliable software systems. Refinements are map step by step abstract algebraic specificat...