Secure Authentication Mechanism in Mobile Internet Protocol Version 6

This paper presents a secure authentication method for Mobile IPv6. As a default IPsec is used for secure signaling messages between the Mobile Node and other agents in Mobile IPv6 networks. Mobile IPv6 message transactions include the Binding Updates and Acknowledgement messages as well. We propose a new mechanism for securing Mobile IPv6 signaling between Mobile Node and other agents. The proposed method consists a Mobile IPv6 message authentication option and cookie management that can be added to the current protocols for securing IPV6. Also we investigate architecture to integrate the mobility authentication signaling. This architecture is implemented and evaluated. In Mobile IPV4 protocol and also some authentication protocols of Mobile IPV6, there are some difficulties for satisfying timing requirements. We show the latency can be decrease between the Mobile IPV6 node, Home Agent and Correspondent Node with creating a cookie file keeping the mobile node identification.