As current Voice-over-IP (VoIP) systems encourage a direct communication between the callees they are similar in design to peerto-peer (P2P) approaches. Therefore, we introduce a f...
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
— The performance and efficiency of Web Services can be greatly increased in conversational and streaming message exchanges by streaming the message exchange paradigm. In this pa...
Z is a software system designed to provide media-transparent network services on a collection of UNIX® machines. These services are comprised of file transfer and command executi...
We propose an efficient and flexible system for a secure and authentic data exchange in a multiinstitutional environment, where the institutions maintain different databases and p...
Arne Ansper, Ahto Buldas, Margus Freudenthal, Jan ...