Mobility

Security Enhancement With Optimal QoS Using EAP-AKA in Hybrid Coupled 3G-WLAN Convergence Network

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Executive Summary

The Third Generation Partnership Project (3GPP) has addressed the feasibility of interworking and specified the interworking architecture and security architecture for Third Generation (3G)-Wireless Local Area Network (WLAN), it is developing, System Architecture Evolution (SAE)/ Long Term Evolution (LTE) architecture, for the next generation mobile communication system. To provide a secure 3G-WLAN interworking in the SAE/LTE architecture, Extensible Authentication Protocol-Authentication and Key Agreement (EAP-AKA) is used. However, EAP-AKA have several vulnerabilities. Therefore, this paper not only analyses the threats and attacks in 3G-WLAN interworking but also proposes a new authentication and key agreement protocol based on EAP-AKA. The proposed protocol combines Elliptic Curve Diffie-Hellman (ECDH) with symmetric key cryptosystem to overcome the vulnerabilities.

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