Secure Group Communications for Large Dynamic Coalitions

The goal of this project is to enable secure collaboration with dynamically established coalitions while minimizing potential threats from compromised partners and attackers. Conventional technologies, such as secure multicast, broadcast encryption, and group key agreement are perceived to be too inefficient for large group sizes (1,000's). We are pursuing two research paths. First, we hypothesize that some conventional protocols can scale when combined with inexpensive commercially available hardware cryptographic accelerators. Second, we hypothesize that new protocols can be discovered by extending recent research from the cryptographic literature in secure communication protocols (including multi-party multi-round protocols for point-to-point communication). If successful, this work will overcome the current bottlenecks in performance, making it practical to protect the communication of large dynamic coalitions.

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jstaddon@parc.xerox.com