An Efficient Distributed PKI for Structured P2P Networks

François Lesueur (1) , Ludovic Mé (1) , Valérie Viet Triem Tong (1)

1 SUPELEC-Campus Rennes

In decentralized P2P networks, many security mechanisms still rely on a central authority. This centralization creates a single point of failure and does not comply with the P2P principles. We previously proposed a distributed PKI for P2P networks which allows to push security mechanisms to the edges of the network but relies on unaffordable maintenance operations using byzantine agreements. In this paper, we address this shortcoming and propose efficient maintenance operations without any agreements. Our improvements allow a real deployment of this P2P PKI.

Mots clés: P2P; Security; Distributed Certification

Domaines: Cryptographie et sécurité [cs.CR]; Réseaux et télécommunications [cs.NI]

François Lesueur, Ludovic Mé, Valérie Viet Triem Tong. An Efficient Distributed PKI for Structured P2P Networks. 9th IEEE International Conference on Peer-to-Peer Computing (P2P), Sep 2009, Seattle, United States. 10 p. ⟨hal-00423320⟩