There are various situations where a distinction needs to be made between group members and outsiders. For example, to protect students in chat groups from unpleasant incidents ca...
Abstract: ZRTP is a protocol designed to set up a shared secret between two communication parties which is subsequently used to secure the media stream (i.e. the audio data) of a V...
Martin Petraschek, Thomas Hoeher, Oliver Jung, Hel...
Group communication has become an important component in wireless networks. In this paper, we focus on the environments in which multiple groups coexist in the system, and both in...
Various low-latency anonymous communication systems such as Tor and Anoymizer have been designed to provide anonymity service for users. In order to hide the communication of user...
Abstract: In this paper we present and discuss a new approach for securing multimedia communication, which is based on three innovations. The first innovation is the integration of...
Helmut Hlavacs, Wilfried N. Gansterer, Hannes Scha...