A Secure DHT Routing Scheme in P2P Networks

In recent years, peer-to-peer (P2P) networks have soared in popularity in the form of file sharing applications. With this popularity comes security implications and vulnerabilities. In this paper we introduce a secure DHT-based routing scheme that has a high resilience against common attacks in order to prevent correct message delivery in DHT-based P2P overlays and presents defenses to these attacks. We describe and evaluate techniques that allow nodes to join the overlay, to maintain routing state, and to forward messages securely in the presence of malicious nodes.