WIMAX SECURITY ANALYSIS AND ENHANCEMENT
DOI:
https://doi.org/10.47981/j.mijst.02(01)2010.75(%25p)Keywords:
WiMAX; Key Generation; Man-in-the-Middle; Sealing FunctionAbstract
The importance of IEEE 802.16, Worldwide Interoperability for Microwave Access (WiMAX) is growing and will
compete with technologies such as 3G. The acceptance and adoption of technologies also depend on security.
Therefore, this article shows security vulnerabilities found in WiMAX and gives possible solutions to eliminate them.
We find the initial network procedure is not effectively secured that makes man-in-the-middle attack possible.
Focusing on this attack, we propose Diffie-Hellman (DH) key exchange protocol to enhance the security level during
network initialization. We modify DH key exchange protocol to fit it into mobile WiMAX network as well as to
eliminate existing weakness in original DH key exchange protocol. Finally we found that the proposed algorithm
shows 2.5 times better performance in comparison with existing systems.
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