Mobile Internet Protocol version 6 (MIPv6) is designed to support mobility of nodes in the wireless network and allows each mobile node to maintain transparent connections while moving from one network to another. Each node in MIPv6 is identified by either a permanent home-of address or an impermanent care-of address. The MIPv6 network-based node plays a vital role for generating and verifying its own care-of address using a method known as cryptographically generated address (CGA) without relying on a trusted third party. The CGA method is used to prove the address ownership of mobility based nodes and to prevent the theft of prevailing address of the node using owner’s secret key. The earlier works have been investigated for the limitations of the traditional CGA method. However, the present paper proposes an improved CGA method to enhance security and efficacy in terms of computational cost. It adopts hash-based message authentication code for the correspondent node to validate the address ownership of the IPv6 network based mobile node. Finally, the result shows that the proposed CGA method provides better security and significant reduction in computational cost for generating the address. © Research India Publications.
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Dr. Senthil Kumar M. and Veluswamy, S., “An improved method of cryptographically generated address for IPv6 network-based mobility”, International Journal of Applied Engineering Research [SCOPUS Indexed], vol. 10, no. 1, pp. 1925-1937, 2015.