Secure and Effective P2P Reputation System using Trust Management and Self Certified Cryptographic Exchanges

Provided by: International Journal of Computer Science Issues
Topic: Security
Format: PDF
The main reason behind the success of Peer-To-Peer (P2P) networks is the anonymity and the utility offered by them to the users. The Client-server security policies implemented in centralized distributed systems do not provide a desirable solution for P2P networks to store peer reputation information. Though a centralized system does exist, it is prone to Sybil attack that can significantly reduce network performance. One feasible way to minimize attacks is to establish the reputation-based trust model. Most of current trust mechanisms are unable to restrain effectively such malicious behavior as collusive attacks, but also take no consideration for the security of the trust management.

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