A group signature scheme allows a group member to sign messages anonymously on behalf of the group. However, in the case of a dispute, the identity of a signature’s originator ca...
Giuseppe Ateniese, Jan Camenisch, Marc Joye, Gene ...
In certain critical cases the data flow between business departments in banking organizations has to respect security policies known as Chinese Wall or Bell–La Padula. We show t...
Christoph Brandt, Jens Otten, Christoph Kreitz, Wo...
Sharing life-log information in a social community has many advantages, both for the user and society. But sharing any type of personal information is a threat to privacy. In parti...
Abstract--Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding attackers, one of which sn...
Research on security in Peer-to-Peer (P2P) systems is dominated by reputation-based solutions. These solutions propagate opinions about other peers in order to help identify the b...