Abstract. Since XML is used as a storage format in an increasing number of applications, security has become an important issue in XML databases. One aspect of security is restrict...
A Private Information Retrieval (PIR) protocol allows a database user, or client, to obtain information from a data- base in a manner that prevents the database from knowing which...
Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
Abstract— We consider the level of information security provided by random linear network coding in network scenarios in which all nodes comply with the communication protocols y...
Despite our best efforts, any sufficiently complex computer system has vulnerabilities. It is safe to assume that such vulnerabilities can be exploited by attackers who will be ab...
Bruno Dutertre, Valentin Crettaz, Victoria Stavrid...