The central goal of secure information sharing is to "share but protect" where the motivation to "protect" is to safeguard the sensitive content from unauthori...
Abstract. Access control languages which support administrative controls, and thus allow the ordinary permissions of a system to change, have traditionally been constructed with ļ¬...
Security policies are abstract descriptions of how a system should behave to be secure. They typically express what is obligatory, permitted, or forbidden in the system. When the s...
We consider group key agreement (GKA) protocols, used by a group of peers to establish a shared secret key for multicast communications. There has been much previous work to impro...
Distance bounding protocols have been proposed as means of detecting relay attacks, also known as maļ¬a fraud. In this paper we present the ļ¬rst symmetric key based distance bou...