Protocols for Supporting a Public Key Infrastructure in Ad Hoc Networks

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Ad hoc networking technologies allow mobile devices to communicate by utilizing one another as communication relays. Resulting networks are highly dynamic, with nodes entering and leaving the network, for short duration membership. This absence of structure complicates planning in these networks, resulting in networks with limited functionality when their topology (their nodes and links) has highly varying and unpredictable characteristics.

We propose protocols for a Public Key Infrastructre (PKI) suitable for ad hoc networks that are based on threshold cryptography technology, adapted to general access structures.

This material is based on work supported in part by the U.S. Army Research Laboratory and the U.S. Army Research Office under grant number DAAD 19-02-0235.