Network-Aware Security for Group Communications

By: Yan Sun, Wade Trappe, K. J. Ray Liu

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Hardcover | 9 October 2007

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Hardcover
324 Pages

Dimensions(cm)
23.39 x 15.6 x 1.91

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Group-oriented communications will play a significant role in the next generation of networks as many services, such as pay-per-view media broadcasts and the delivery of network control messages, will rely upon the ability to reliably deliver data simultaneously to a large group of users. As these networks become increasingly pervasive and these multi-user services become increasingly ubiquitous, it will become essential that a complementary suite of security solutions are deployed in order to protect these services from a broad spectrum of security threats that are unique to group communications.

This book aims to fill a growing need in the research community for a reference that describes the state of the art in securing group communications. Network-Aware Security for Group Communications focuses on tailoring the security solution to the underlying network architecture (such as the wireless cellular network or the ad hoc/sensor network), or to the application using the security methods (such as multimedia multicasts).

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Preface	p. vii
Introduction	p. 1
Book Overview	p. 3
Centralized Multi-user Key Management	p. 7
Basic Multicast Information Theory	p. 7
Overview of Multicast Key Management	p. 11
Requirements for Centralized Group Key Management	p. 13
Basic Polynomial Interpolation Scheme	p. 15
Resistance to Attack	p. 17
Anonymity Reduces Communication Overhead	p. 18
Extending to a Scalable Protocol	p. 19
Basic Protocol Primitives	p. 21
Advanced Protocol Operations	p. 23
Architectural Considerations	p. 26
Optimization of Tree Degree for Communication	p. 26
Binomial Occupancy Model	p. 30
Communication Overhead	p. 32
Computational Complexity	p. 35
Chapter Summary	p. 36
Group Key Agreement Techniques in Heterogeneous Networks	p. 39
Introduction	p. 39
Group DH Overview	p. 41
Conference Trees and the Butterfly Scheme	p. 43
Computational Considerations	p. 49
Minimizing Total Cost	p. 49
Budget Constraints	p. 51
Combined Budget and Cost Optimization	p. 54
Efficiency and Feasibility Evaluation	p. 56
Comparison of Total Cost	p. 56
Feasibility Comparison	p. 58
System Sensitivity to False Costs	p. 62
Sensitivity to Approximate Costs	p. 62
Sensitivity to Costs from Untrusty Users	p. 64
Chapter Summary	p. 68
Optimizing Rekeying Costs in Group Key Agreement	p. 71
Join-Exit Tree for Reducing Latency in Key Agreement Protocols	p. 72
Time-efficiency Measurement	p. 72
Join-Exit Tree (JET) Topology	p. 73
The Join Tree Algorithm	p. 74
The Exit Tree Algorithm	p. 80
Performance Analysis	p. 83
Optimizing Rekeying Cost	p. 85
Performance Metric Review	p. 85
PFMH Key Tree Structure and Basic Procedures	p. 87
PACK: an PFMH tree-based contributory group key agreement	p. 97
Performance Evaluation and Comparison	p. 107
Contributory Group Key Agreement with Key Validation	p. 109
Chapter Summary	p. 110
Optimizing Multicast Key Management for Cellular Multicasting	p. 113
Targeting Property of Rekeying Messages	p. 114
Topology-aware Key Management	p. 115
Topology-aware Key Management in Cellular Wireless Network	p. 115
Key Tree Design	p. 116
Performance Metrics	p. 117
Handoff Schemes for TMKM Tree	p. 118
Performance Analysis	p. 122
Separability of the Optimization Problem	p. 126
Optimizing TMKM Tree Design	p. 127
Dynamic membership model	p. 128
ALX tree structure	p. 129
User subtree design	p. 132
BS subtree design	p. 133
SH subtree design	p. 134
Performance Evaluation	p. 136
One-SH systems	p. 136
SH subtree design methods	p. 139
Multiple-SH systems	p. 140
Chapter Summary	p. 142
Key Management and Distribution for Securing Multimedia Multicasts	p. 143
A Basic Key Management Scheme	p. 145
Key Refreshing	p. 146
Member Join	p. 147
Member Departure	p. 147
Distribution of Rekeying Messages for Multimedia	p. 148
Media-Independent Channel	p. 150
Media-Dependent Channel	p. 152
An Improved Rekeying Message Format	p. 155
Basic Message Form	p. 156
Security Analysis of Residue-based Method	p. 157
Achieving Scalability	p. 163
System Feasibility Study	p. 166
Extensions to Multilayered Services	p. 169
Chapter Summary	p. 170
Hierarchical Access Control for Multi-Group Scenarios	p. 175
Hierarchical Access Control: Problem Formulation	p. 176
System description	p. 176
Security requirements	p. 177
Data encryption and hierarchical key management	p. 178
Centralized Multi-group Key Management Scheme	p. 179
Independent key trees for hierarchical access control	p. 179
Multi-group key management scheme	p. 179
Performance Measures and Analysis	p. 184
Storage overhead	p. 185
Rekey overhead	p. 188
Simulations and Performance Comparison	p. 189
Statistical dynamic membership model	p. 189
Performance with different group size	p. 191
Scalability	p. 192
Performance with different transition probability	p. 192
Simulation of multi-service applications	p. 196
Contributory Multi-group Key Management	p. 196
Related Work	p. 199
Chapter Summary	p. 200
Protecting Membership Information in Secure Multicasting	p. 203
GDI Disclosure in Centralized Key Management Schemes	p. 204
Attack 1: Estimation of J(t[subscript 0], t[subscript 1]) and L(t[subscript 0], t[subscript 1]) from rekeying-message format	p. 205
Attack 2: Estimation of the group size from the rekeying-message-size	p. 206
Attack 3: Estimation of group size based on key IDs	p. 208
Discussion on three attacks	p. 211
GDI vulnerability in prevalent key management schemes	p. 212
Defense Techniques	p. 213
Optimization	p. 218
The leakage of GDI	p. 218
Communication Overhead	p. 220
System Optimization	p. 221
Simulations	p. 221
GDI Disclosure and Protection in Contributory Key Management Schemes	p. 223
Fully and Partially Contributory Key Management Schemes	p. 226
GDI Disclosure in Contributory Key Management Schemes	p. 227
The Cost of Preventing GDI leakage	p. 227
More on GDI Leakage Problem	p. 228
Chapter Summary	p. 228
Reducing Delay and Enhancing DoS Resistance in Multicast Authentication	p. 231
Background Literature and TESLA	p. 232
Related Work	p. 232
TESLA Overview	p. 234
Examination of Trust in TESLA	p. 235
Staggered TESLA: Multi-Grade Multicast Authentication	p. 236
Format of the Packet	p. 237
Multi-Grade Source Authentication	p. 238
Reduced-Delay Multicast Authentication Schemes	p. 243
Staggered TESLA with Proximity Protection	p. 243
Distributed Key Distributors	p. 245
Buffer Requirements and Tradeoffs	p. 246
Simulations and Performance Analysis	p. 251
Simulations on Multi-Grade Authentication	p. 251
Performance Analysis of Staggered TESLA	p. 252
Impact of the Locations of Adversaries	p. 255
Simulation on Reducing Authentication Delay	p. 260
Conclusion	p. 262
An Authentication Service for Sensor and Ad Hoc Networks	p. 265
Introduction	p. 265
Hierarchical Sensor Network	p. 266
TESLA and TESLA Certificates	p. 268
TESLA Certs	p. 269
Overview of the Authentication Framework	p. 270
Certificates	p. 272
Initial Certs	p. 272
Runtime Certs	p. 273
Certificate Renewal	p. 274
Access Point	p. 274
Sensor Node	p. 274
Entity Authentication	p. 275
Access Point	p. 275
Forwarding Nodes	p. 275
Sensor Nodes	p. 276
Roaming and Handoff	p. 277
Forwarding Nodes	p. 277
Sensor Nodes	p. 277
Data Origin Authentication	p. 278
Sending Sensor Data in Weak Mode	p. 278
Sending Sensor Data in Assured Mode	p. 279
Evaluation	p. 280
Security Analysis	p. 280
Performance Analysis	p. 281
Conclusion	p. 282
References	p. 287
Index	p. 301
Table of Contents provided by Ingram. All Rights Reserved.

Network-Aware Security for Group Communications

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