Abstract
This thesis presents the design and implementation of WIRE1x. The motivation and contribution are also introduced. The WIRE1x is an open source implementation of IEEE 802.1x client (supplicant) developed by the Wireless Internet Research & Engineering (WIRE) Laboratory.The IEEE 802.1x standard defines a port-based network access control to authenticate and authorize devices interconnected by various IEEE 802 LANs. IEEE 802.11i alsoincorporates 802.1x as its authentication solution for 802.11 wireless LANs. The motivation for the development of WIRE1x is that many users are eager for a free software of 802.1x client to work with various versions of MSWindows. The WIRE1x has been practically used on the wireless LANs deployed at the National Tsing Hua University. This thesis illustrates all components ofWIRE1x exhaustively to let readers to comprehend the source code easily.