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Peer-To-Peer (P2P) networks are vulnerable to peers who cheat, propagate malicious code, leech on the network, or simply do not cooperate. consider several distributed collaborative key agreement and authentication protocols for dynamic peer groups. There are several important characteristics which make this problem different from traditional secure group communication. Authentication focuses on the security improvement, while implementation realizes the interval-based algorithms in real network settings. The authors' paper provides a fundamental understanding about establishing a group key via a distributed and collaborative approach for a dynamic peer group.
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