Identity Management

Digital identity can be defined as the digital representation of the information known about a specific individual or organization. Digital identity management technology is an essential function in customizing and enhancing the network user experience, protecting privacy, underpinning accountability in transactions and interactions, and complying with regulatory controls. This practical resource offers you a in-depth understanding of how to design, deploy and assess identity management solutions. It provides a comprehensive overview of current trends and future directions in identity management, including best practices, the standardization landscape, and the latest research finding. Additionally, you get a clear explanation of fundamental notions and techniques that cover the entire identity lifecycle.

Elisa Bertino is a professor and research director at Purdue University in West Lafayette, Indiana. She holds a Ph.D. in computer science and is a Fellow of the IEEE Computer Society and the Association for Computing Machinery. Kenji Takahashi is the president and CEO of NTT Multimedia Communications Laboratories, Inc., in San Mateo, California. He received a Ph.D. in computer science from the Tokyo Institute of Technology.

Introduction	p. 11
Stakeholders and Business Opportunities	p. 12
Identity Ecosystem and Key Trends	p. 14
Challenges in Identity Management	p. 18
Overview of This Book	p. 18
References	p. 19
What Is Identity Management?	p. 21
Stakeholders and Their Requirements	p. 25
Subjects	p. 25
Identity Providers	p. 27
Relying Parties	p. 27
Control Parties	p. 28
Relationships Between Stakeholders	p. 28
Identity Life Cycle	p. 29
Creation	p. 30
Usage	p. 32
Update	p. 34
Revocation	p. 35
Governance	p. 36
Identity Assurance	p. 37
References	p. 41
Fundamental Technologies and Processes	p. 45
Credentials	p. 46
Basic Concepts	p. 46
Public-Key Certificates and Public-Key Infrastructures	p. 48
Attribute and Authorization Certificates	p. 51
Credential Delegation	p. 52
Proxy Certificates	p. 54
Single Sign-On	p. 55
Kerberos Protocols	p. 57
Reverse Proxy-Based SSO	p. 60
Attribute Federation	p. 61
Distributed Mediation	p. 63
Single Party-Based Mediation	p. 63
Privacy	p. 65
Pseudonym Systems	p. 66
Anonymous Credentials	p. 68
Assurance and Compliance	p. 70
References	p. 71
Standards and Systems	p. 75
Overview	p. 76
OASIS Security Assertion Markup Language (SAML)	p. 77
Overview	p. 77
Specification Structure	p. 79
Web SSO	p. 86
Use Cases	p. 92
Liberty Identity Web Services Framework	p. 93
Opt-In Discovery Registration	p. 96
Dynamic Acquisition of Consent from Subjects	p. 96
Federated Identity-Based Access Control	p. 97
Pseudonym Mapping	p. 97
Use Cases	p. 97
OpenID	p. 98
Overview	p. 98
Authentication	p. 98
Attribute Exchange (AX)	p. 101
Provider Authentication Policy Extension (PAPE)	p. 101
Simple Registration (SREG)	p. 102
Use Cases	p. 102
Information Card-Based Identity Management (IC-IDM)	p. 104
Overview	p. 104
WS-MetadataExchange	p. 108
WS-Trust	p. 108
Use Cases	p. 108
Towards Interoperability	p. 110
Use Cases	p. 111
Comparative Analysis of SAML, OpenID, and Information Cards	p. 119
Security Analysis	p. 121
Confidentiality	p. 122
Integrity	p. 126
Availability	p. 127
Repudiation	p. 128
Authentication	p. 129
Authorization	p. 129
Privacy Analysis	p. 130
Research Prototypes	p. 131
SASSO	p. 132
VeryIDX	p. 133
SWIFT	p. 134
Emerging Areas: Social Networks, Mobile, and Cloud Computing	p. 134
References	p. 139
Challenges	p. 147
Usability	p. 148
Usability Principles and Requirements	p. 148
Evaluating the Usability of Identity Management Solutions	p. 151
Antiphishing Measures	p. 152
Access Control	p. 153
Privacy Protection	p. 155
Privacy Policies	p. 156
Anonymization of Personally Identifiable Information and Privacy-Preserving Data Mining	p. 162
Privacy Protection in Emerging Services	p. 166
Trust Management	p. 167
Reputation of the Party	p. 167
Objective Verification of Certain Party Characteristics	p. 168
Possession of Credentials Attesting Certain Party Identity Information	p. 168
Trust in the Context of Identity Management	p. 169
Interoperability Challenge	p. 169
Universal User Experiences	p. 170
Naming Heterogeneity Management	p. 170
Biometrics	p. 171
References	p. 175
Conclusions	p. 181
References	p. 185
About the Authors	p. 187
Index	p. 189
Table of Contents provided by Ingram. All Rights Reserved.

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