IPSec-based key management in mobile IP networks

  • Authors:

  • Neng-Chung Wang;Jong-Shin Chen;Yung-Fa Huang;Tzu-Wei Chan

  • Affiliations:

  • Department of Computer Science and Information Engineering, National United University, MiaoLi, Taiwan, R.O.C.;Graduate Institute of Networking and Communication Engineering, Chaoyang University of Technology, Taichung, Taiwan, R.O.C.;Graduate Institute of Networking and Communication Engineering, Chaoyang University of Technology, Taichung, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan, R.O.C.

  • Venue:
  • ICCOM'08 Proceedings of the 12th WSEAS international conference on Communications
  • Year:
  • 2008

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Abstract

The IETF standard Mobile IP protocol is modified with IP security (IPSec) primitives, which control the packet flow from a mobile host through multiple security gateways. In addition, IPSec uses strong cryptographic authentication and encryption algorithms to protect the integrity and confidentiality of IP traffic. In this paper, we proposed a key management algorithm for Mobile IP networks based on IPSec. The proposed scheme includes two parts: a wired network and a wireless network. In the wired network part, the proposed scheme produce two keys in each security gateway, transfers a packet with an encrypted key and receives a packet with a decrypted key. In the wireless network part, we use AH to arrive at wireless segment packet security. By the proposed scheme, we can enhance the security of Mobile IP networks.