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To provide secure communication for universal mobile telecommunications system (UMTS) Mobile Networks, authentication and key agreement (AKA) is carried out between the user and the home environment, and the authentication protocol is an important primitive for entity authentication and session keys. The current authentication protocol is giving a reasonable security level. However it is overloading...
The integration of the widely spread 3rd Generation (3G) Universal Mobile Telecommunication System (UMTS) with the Wireless Local Area Networks (WLANs) has recently attracted considerable attention. However, addressing seamless and transparent handoff during mobility between these networks is still the biggest challenge to overcome. This paper evaluates the components of the handoff delay for the...
In this paper we propose two new attacks on UMTS network. Both attacks exploit the UMTS-GSM interworking and are possible in the GSM access area of UMTS network. The first attack allows the attacker to eavesdrop on the entire traffic of the victim UMTS subscriber in the GERAN coverage of the UMTS network. The second attack is an impersonation attack i.e. the attacker impersonates a genuine UMTS subscriber...
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