Internet of Things and Access Control: Sensing, Monitoring and Controlling Access in IoT-Enabled Healthcare Systems

Preface
Contents
1 Introduction
	1.1 The Internet of Things
	1.2 Need for Access Control
	1.3 Motivation and Use Case Examples
	1.4 The Aim of the Book
	1.5 Research Contributions
	References
2 Background and Related Work
	2.1 The IoT Paradigm
		2.1.1 Architecture
		2.1.2 Characteristics
	2.2 Basics of Access Control
		2.2.1 Definition
		2.2.2 Working Principle
		2.2.3 Mechanisms
		2.2.4 Language
		2.2.5 Cryptography
	2.3 Access Control in the IoT
		2.3.1 Architecture
		2.3.2 Requirements
		2.3.3 Existing Works
	2.4 Representing Identity
		2.4.1 Identity Establishment
		2.4.2 Identity Management Models
	2.5 Approaches to Delegation
		2.5.1 Definition
		2.5.2 Architecture
	2.6 The Notion of Trust
		2.6.1 Trust Concept
		2.6.2 Trust Modeling
		2.6.3 Mechanisms
		2.6.4 Category
	2.7 Summary
	References
3 Developing an IoT Access Control Architecture
	3.1 Introduction
		3.1.1 Problem Description
		3.1.2 Contributions
	3.2 Background
		3.2.1 IoT-Enabled Smart Systems
		3.2.2 Current Limitations
	3.3 An Example Scenario
	3.4 Proposed Access Control Architecture
		3.4.1 Assumptions
		3.4.2 System Functionality
		3.4.3 Granting Different Level of Access
		3.4.4 Overview of the Architectural Components
		3.4.5 Core Modules of the System
		3.4.6 A Formal Specification of the Model
		3.4.7 Capability Structure
		3.4.8 Capability Instantiation
	3.5 Different Access Scenarios
	3.6 System Operation: Symmetric Key Approach
		3.6.1 Registration
		3.6.2 Generating a Capability
		3.6.3 Processing an Access Request
	3.7 System Operation: Asymmetric Key Approach
		3.7.1 Registration
		3.7.2 Generating a Capability
		3.7.3 Processing an Access Request
	3.8 Discussion
	3.9 Summary
	References
4 System Implementation and Evaluation
	4.1 Introduction
		4.1.1 Testbed Development
		4.1.2 Methodology
	4.2 Results
		4.2.1 Performance Analysis: Symmetric Key Approach
		4.2.2 Performance Analysis: Asymmetric Key Approach
	4.3 Comparison with Existing Approaches
	4.4 Comparison of Number of Policy Expressions
	4.5 Adversary Analysis
	4.6 Summary
	References
5 Modeling and Management of Identity
	5.1 Introduction
		5.1.1 Problem Description
		5.1.2 Contributions
	5.2 Core Concepts
		5.2.1 Identity
		5.2.2 Representation of Identity
	5.3 An Approach to IoT Identity
		5.3.1 IoT Identity
		5.3.2 Requirements and Considerations
		5.3.3 Our Approach: Things-Centric Identity
		5.3.4 Use of Attributes
		5.3.5 A Formal Specification
	5.4 Use-Case Examples
	5.5 Summary
	References
6 Delegation of Access Rights
	6.1 Introduction
		6.1.1 Problem Description
		6.1.2 Contributions
	6.2 Background
		6.2.1 Core Concepts
		6.2.2 Blockchain Technology
		6.2.3 Delegation in IoT Using Blockchain
	6.3 A Motivating Scenario
	6.4 Proposed Delegation Architecture
		6.4.1 Delegation Properties
		6.4.2 Secure Right Delegation
		6.4.3 Overview of the Architectural Components
		6.4.4 Communication Protocol
	6.5 Implementation
	6.6 Evaluation
	6.7 Discussion
	6.8 Summary
	References
7 Integrating Trust to IoT Access Control
	7.1 Introduction
		7.1.1 Problem Description
		7.1.2 Contributions
	7.2 Background
	7.3 Context of the Model
		7.3.1 Characteristics
		7.3.2 Preliminaries
	7.4 Proposed Trust Model
		7.4.1 Entities
		7.4.2 Trust Relationship
		7.4.3 System Operation
		7.4.4 Summary of Trust Types
	7.5 Trust Evaluation
	7.6 Trust Comparison
	7.7 Use Case Scenarios
		7.7.1 Scenario 1
		7.7.2 Scenario 2
	7.8 Summary
	References
8 Conclusion and Future Work
	8.1 Conclusion
	8.2 Research Findings
	8.3 Open Research Questions and Future Work