International Journal of Smart Sensor and Adhoc Network


This paper includes developing framework for proxy based certificate Authority for MANET. Key management is a central aspect for security in mobile ad hoc networks. In mobile ad hoc networks, the computational load and complexity for key management is strongly subject to restriction of the node’s available resources and the dynamic nature of the topology. PKI has been recognized as one of the most effective tools for providing security for dynamic networks. However, providing such an infrastructure in MANETs is a challenging task due to their infrastructure-less nature. In this paper we have considered such challenges in detail, identify the requirements for such solutions, and propose a practical PKI service for MANETs. We used threshold cryptography to distribute the CA functionality. To reduce the overhead research work employs a proxy and a timer during multicasting to achieve certification service. Results from simulation establish the effectiveness and the efficiency of the approach.



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