A SECURE GROUP KEY AGREEMENT WITH LOCAL CONNECTIVITY USING MULTICAST KEY MANAGEMENT

In this paper, we study Group key Agreement which mean multiple parties want to create a common secret key to be used to exchange information securely. The group key agreement with an arbitrary connectivity graph, where each user is only aware of his neighbor and has no information about the existence of other users. Further, he has no information about the network topology. We implement the existing system with more efficient manner and provide a multicast key generation protocol. We replace the Diffie-Hellman key exchange protocol by a new multicast key exchange protocol that can work with One to One and One to Many functionality. We also tend to implement a strong symmetric key encryption for improving file security in the system