NS-AKA: An Improved and Efficient AKA Protocol for 3G (UMTS) Networks

Provided by: Seek Digital Library
Topic: Mobility
Format: PDF
In this paper, the authors propose an improved and efficient AKA protocol named "NS-AKA" to prevent the 3G UMTS networks from various attacks like man-in-the-middle attack, redirection attack, replay attack and active attacks in the corrupted UMTS networks. This protocol completely eliminates the need of synchronization between a mobile station and its home network and protects the actual identity of each user in the networks, (i.e., IMSI) by generating a temporary identity for each user during the authentication.

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