Efficient Authentication and Authorization Infrastructure for Mobile Users

Authors:
Zhen Ai Jin;Sang-Eon Lee;Kee Young Yoo
Affiliations:
Department of Computer Engineering Graduate School, Kyungpook National University, Daegu, Korea;Department of Information Security, Kyungpook National University, Daegu, Korea;Department of Computer Engineering Graduate School, Kyungpook National University, Daegu, Korea
Venue:
Advanced Web and NetworkTechnologies, and Applications
Year:
2008

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Abstract

For providing seamless and secure multimedia service in Wireless network, the protocol needs, efficient design, security and reduction in authentication time when a mobile user move to an other domain (Foreign domain). This paper presents an authentication and authorization infrastructure based on AAA (Authentication, Authorization, and Accounting) to minimize the authentication delay when mobile users move between different domains in wireless networks. In this paper, an AAAH (Home network) and SCC(Security Contest Controller) hierarchy infrastructure were used. A mobile user stores information of SCCs in which the mobile user has been visited. For re-authentication, a mobile user sends the service request and information to the new SCC and it finds the shortest path. Then the new SCC gets security context from the shortest path.