In this paper we propose multimodal fusion of super resolved texture (SRT) features and 3D shape features with acoustic features for 3D audio-video person authentication systems w...
Click-based graphical passwords have been proposed as alternatives to text-based passwords, despite being potentially vulnerable to shoulder-surfing, where an attacker can learn p...
To protect privacy in large systems, users must be able to authenticate against a central server without disclosing their identity to the network. Private identification protocols ...
We present a symbolic framework for refinement and composition of security protocols. ework uses the notion of ideal functionalities. These are abstract systems which are secure b...
In this paper we present a context-sensitive security model for privacy protection on mobile phones. We describe the system TreasurePhone which implements this security model. The...
Julian Seifert, Alexander De Luca, Bettina Conradi