Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
This paper addresses the problem of pay-as-you-watch services over unicast and multicast communications. For each communication model, we present two solutions, non-verifiable and...
Decentralized anonymity infrastructures are still not in wide use today. While there are technical barriers to a secure robust design, our lack of understanding of the incentives t...
Alessandro Acquisti, Roger Dingledine, Paul F. Syv...
We introduce the Symphony framework, a software ion layer that can sit on top of grid systems. Symphony provides a unified API for grid application developers and offers a graphic...
All human co-operation is based on trust, meaning that we choose co-operation partners and make commitment decisions based on how much we trust the other party. Digital certificat...