TRUST THRESHOLD BASED NEIGHBORHOOD TRUST WORTHY NODE CERTIFIED PUBLIC KEY MANAGEMENT IN MANET
Golden Julie E 1 ,Anitha P 2
1 Assistant Professsor, Dept Of Computer Science, Regional Centre Of Anna University, Tirunelveli,
Tamilnadu, India.
2 Department Of Computer Science, Regional Centre of Anna University, Tirunelveli, Tamilnadu, India.
Keys have to be securely handled and maintained and there are various techniques available in MANET for efficient Key generation and distribution. A Composite trust based Public key management (CTPKM) is designed to meet a required level of security as well as to meet performance requirements like service availability and communication overhead without relying on trusted third party such as Certificate Authority (CA). An optimal trust threshold is associated with all the nodes to reduce security vulnerabilities like the public key compromise and key leakage. CTPKM does not support trusted third party hence it finds the most trusted neighbor node which satisfies the trust threshold condition to certify the key generated. In turn, the neighbor node again checks the trust of the requestor node which is requesting to certify the public key. The requesting node and certificate issuer node must exhibit a mutual trust relationship. The proposed trust based scheme is simulated and the performance is evaluated. It is observed that the proposed scheme outperforms other trust based models in terms of availability and security vulnerabili.
