Thursday 28th of March 2024
 

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


Srikanth Mavuri and K B Madhuri

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. In this paper, a secure and effective reputation based distributed P2P trust management model has been proposed which has advantages in combating various malicious behaviors and uses Self Certified Cryptographic Exchanges between the peers. This can effectively track each peer\'s contribution in the system and allows peers to store their reputations locally and exchange that information with other peers via a two-party cryptographic protocol. During network initiations instead of ostracizing a selfish requester completely, it offers services at low bandwidth and its presence can be used to boost overall performance of the network.

Keywords: P2P, trust management, reputation, security, reputations

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ABOUT THE AUTHORS

Srikanth Mavuri
M. Srikanth received M.Tech degree in Software Engineering from Gayatri Vidya Parishad College of Engineering, Visakhapatnam, Andhra Pradesh, India in 2012. Presently he is working as Project Engineer in Wipro Technologies, Bhubaneswar, Orissa, India. His research interests include Data Mining and computer networks.

K B Madhuri
K.B.Madhuri received M.Tech. degree in Computer Science and Technology from Andhra University in 1999. She obtained Ph.D from JNTU, Hyderabad in 2009. Presently she is working as Professor in department of Information Technology at Gayatri Vidya Parishad, College of Engineering, Visakhapatnam, Andhra Pradesh, India. Her research interests include Data Mining and Pattern Recognition. She published research papers in National and International Journals. She is a member of IEEE and associate member of Institute of Engineers (India)


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