In 1990, Boyar, Chaum, Damg˚ard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
The transmission of voice communications as datagram packets over IP networks, commonly known as Voice-overIP (VoIP) telephony, is rapidly gaining wide acceptance. With private ph...
Secure group communication protocols have been designed to meet needs such as secure management of group membership, confidential group communication, and access control. New lan...
Traditional approaches to security evaluation have been based on penetration testing of real systems, or analysis of formal models of such systems. The former suffer from the prob...
Abstract. When we model and analyze trust in organizations or information systems we have to take into account two different levels of analysis: social and individual. Social leve...
Paolo Giorgini, Fabio Massacci, John Mylopoulos, N...