Wireless LAN Security

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Tabeidi, Rania Ahmed Mohammed
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University of Khartoum
Wireless Local Area Networks (WLANs) have gone through rapid changes with respect to their security architecture in recent years; the WLAN security has been achieved by authentication and encryption. The evolution of security standardization based upon the work of the Institute of Electrical and Electronics Engineers (IEEE) has evolved from Wireless Equivalent Privacy (WEP) to Wi-Fi Protected Access (WPA) which introduced new key management and integrity mechanisms through the Wi-Fi Protected Access version 2 (WPA2) (IEEE 802.11i) which maintains the management and integrity mechanisms of WPA by introducing Advanced Encryption Standard (AES). This thesis includes the evolution of wireless security in IEEE 802.11 standards at the physical layer levels, to present a fair comparison among the different WLAN technologies, and theoretical background of cryptography, authentication and protocols. The aim of this thesis is study, implementation and analysis AES-128, AES-192 and AES-256 to protect electronic data using matlab7. AES is the best choice because of its efficiency, as well as sufficient protection which needs trillion years to be broken.
100 Pages
Wireless LAN ;Security; Wireless Technolog; Infrared Radia; Spread Spect