Lte Security

The book will address the security architecture for SAE/LTE, which is based on elements of the security architectures for GSM and 3G, but needed a major redesign due to the significantly increased complexity, and different architectural and business requirements of fourth generation systems. The book will present the requirements and will explain in detail the security mechanisms employed to meet these requirements. The specifications generated by standardization bodies only inform about how to implement the system (and this only to the extent required for interoperability), but almost never inform readers about why things are done the way they are. Furthermore, specifications tend to be readable only for a small group of experts and lack the context of the broader picture. The proposed book is intended to fill this gap by providing first hand information from insiders who participated in decisively shaping SAE/LTE security in the relevant standardization body, 3GPP, and can therefore explain the rationale for design decisions in this area. Contents include: 2G security (GSM); 3G security (UMTS); 3G-WLAN interworking; SAE/LTE security; Security for Voice over LTE / IMS; Security for home base station deployments; Outlook/future challenges.

Dan Forsberg received a M.Sc. degree in Computer Science (software engineering and telecommunications software) from the Helsinki University of Technology, Finland, in March 2000. He was a core member and developer of The Dynamics - HUT Mobile IP software. He worked in Nokia Research Center in Helsinki from 2000 to 2009. At Nokia Dan was involved in and led many research projects focused on mobility and security for future mobile devices. He was active in IETF and authored some Internet-Drafts and one standards track RFC in the area of user to network interfaces (EAP, AAA, PANA). In recent years, the main focus of his work has been on the SAE/LTE security standardization in the 3GPP security group (SA3). Dan led the SAE/LTE security standardization in Nokia from around 2005 to 2009. He was also nominated as one of the Nokia top inventors in 2007-2008. Dan began his PhD studies while working at Nokia and has published several scientific papers in the area of "improving and distributing session key management for mobile networks". He joined Helsinki University of Technology in 2009 to finalize his PhD studies. Dan is also a skilled software engineer, a Unix and network administration expert and established his own company in 2010 for consulting on security and software development.

Günther Horn received a PhD (Dr.rer.nat.) degree in Mathematics from the University of Tübingen, Germany, in 1985. He served as an Assistant Professor of Mathematics at the University of California at Irvine in 1985. He joined the Corporate Technology Labs of Siemens AG in Munich in 1986. In 2007, he joined Nokia Siemens Networks. He has been engaged in research on and standardization of new telecommunications systems, including security in mobile networks, fraud control, and mobile applications security. He has been active in many collaborative research projects sponsored by the European Union. In recent years, the focus of his work has been on the standardization of 3G security and SAE/LTE security in the 3GPP security group (SA3), of which he has been a member since it started in 1999. Before this, he contributed to ETSI SMG. He has published on communications security in conference proceedings, journals, and books.

Wolf-Dietrich Moeller studied Physics and Electrical Engineering in Berlin, Glasgow and Munich. With his research work on semiconductor device technology at Technische Universität München (TUM) he received his Dr.-Ing. degree in 1977. In the same year he joined the Corporate Technology Labs of Siemens AG in Munich. After leading a research group on microprocessor architectures and VLSI chip design from 1983 until 1993, in recent years his main subject has been research in security for mobile communications, device integrity and security hardware. He has been active in European and German collaborative research projects, and contributes to the standardisation of mobile security in 3GPP. Since 2007 he has worked at Nokia Siemens Networks Research and Technology Labs in research, standardisation and systems engineering for fixed and mobile networks. Recently he contributed to the book Selected Topics in Communication Networks and Distributed Systems (forthcoming).

Valtteri Niemi received a PhD degree in Mathematics from the University of Turku, Finland in 1989. After serving in various positions at University of Turku, he became an Associate Professor in Mathematics at the University of Vaasa, Finland, during 1993-97. He joined Nokia Research Center (NRC), Helsinki in 1997 where he has contributed in several roles for Nokia research in the wireless security area, including cryptological aspects. In 2008, he moved to the new NRC laboratory in Lausanne, Switzerland, where his main focus is on privacy-enhancing technologies. He was nominated as a Nokia Fellow in January 2009. He has participated to the 3GPP SA3 (security) standardization group from the beginning. During 2003-2009 he was the chairman of the group.
Before 3GPP, Niemi took part in ETSI SMG 10 for GSM security work. He has published more than 40 scientific articles and he is a co-author of three books.

Overview of the Book
Background
Evolution of Cellular Systems
Basic Security Concepts
Basic Cryptographic Concepts
Introduction to LTE Standardization
Notes on Terminology
GSM Security
Principles of GSM Security
The Role of the SIM
Mechanisms of GSM Security
GSM Cryptographic Algorithms
3G Security (UMTS)
Principles of 3G Security
3G Security Mechanisms
3G Cryptographic Algorithms
Interworking between GSM and 3G security
Network Domain Security
3G-WLAN Interworking
Principles of 3G-WLAN Interworking
Security Mechanisms of 3G-WLAN Interworking
Cryptographic Algorithms for 3G-WLAN Interworking
EPS Security Architecture
Overview and Relevant Specifications
Requirements and Features of EPS Security
Design Decisions for EPS Security
Platform Security for Base Stations
EPS Authentication and Key Agreement
Identification
The EPS Authentication and Key Agreement Procedure
Key Hierarchy
Security Contexts
EPS Protection for Signalling and User Data
Security Algorithms Negotiation
NAS Signalling Protection
AS Signalling and User Data Protection
Security on Network Interfaces
Certificate Enrolment for Base Stations
Emergency Call Handling
Security in Intra-LTE State Transitions and Mobility
Transitions to and from Registered State
Transitions between Idle and Connected States
Idle State Mobility
Handover
Key Change on the Fly
Periodic Local Authentication Procedure
Concurrent Run of Security Procedures
EPS Cryptographic Algorithms
Null Algorithms
Ciphering Algorithms
Integrity Algorithms
Key Derivation Algorithms
Interworking Security between EPS and Other Systems
Interworking with GSM and 3G Networks
Interworking with Non-3GPP Networks
Security for Voice over LTE
Methods for Providing Voice over LTE
Security Mechanisms for Voice over LTE
Security for Home Base Station Deployment
Security Architecture, Threats and Requirements
Security Features
Security Procedures Internal to the Home Base Station
Security Procedures between Home Base Station and Security Gateway
Security Aspects of Home Base Station Management
Closed Subscriber Groups and Emergency Call Handling
Future Challenges
Near-term Outlook
Far-term Outlook
References
3GPP TRs and TSs
IETF RFCs
Further References
Abbreviations
Index
Table of Contents provided by Publisher. All Rights Reserved.

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Summary

Author Biography

Table of Contents

Supplemental Materials