On the security of 3GPP networks

Authors:
Michael Walker
Affiliations:
Vodafone Airtouch and Royal Holloway College, University of London
Venue:
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Year:
2000

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Abstract

Later this year we shall see the release of the Third Generation Partnership Project (3GPP) specifications for WCDMA - the first third generation standard for mobile communications. This 3G system combines elements of both a radical departure and a timid evolution from the 2G system known as GSM. It is radically different from GSM in having a wide-band CDMA system for its air-interface, but it hangs on to the GSM/GPRS core switching network with its MAP based signalling system. In this paper we consider the security features in WCDMA, taking a critical look at where they depart from those in GSM, where they are still very much the same and how they may develop as the core switching network is replaced by an IP based infrastructure.