A new authentication protocol based on pointer forwarding for mobile communications
Wireless Communications & Mobile Computing - ISWCS'2006
Enhanced delegation-based authentication protocol for PCSs
IEEE Transactions on Wireless Communications
A cocktail protocol with the Authentication and Key Agreement on the UMTS
Journal of Systems and Software
The UMTS-AKA protocols for intelligent transportation systems
EURASIP Journal on Wireless Communications and Networking
A Provable Billing Protocol on the Current UMTS
Wireless Personal Communications: An International Journal
A new delegation-based authentication protocol for use in portable communication systems
IEEE Transactions on Wireless Communications
An Efficient Mobile Authentication Scheme for Wireless Networks
IEEE Transactions on Wireless Communications
New directions in cryptography
IEEE Transactions on Information Theory
An effective AKA protocol for UMTS
International Journal of Mobile Communications
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Many protocols have been proposed for solving the user authentication in portable communication system. One of the schemes is based on the delegation concept. Home Location Register (HLR) delegates Mobile Station (MS) to be authenticated by Visitor Location Register (VLR). The main drawback of the scheme is that the HLR is required during the online authentication phase between VLR and MS. In this paper, a double delegation-based authentication and key agreement protocol is proposed. The main advantage of our protocol is that this scheme requires only MS and VLR online. This protocol will thoroughly utilize the proxy signature features to facilitate the operation of this protocol while only requires two members (MS, VLR) to be online at the same time.