The login page described earlier only protects our Markdown content, not our dynamic web services. If you know the resource names of the web services, you can still extract all sensor data and control the actuator output, unauthenticated. To avoid this, we need to add an authentication layer on top of our web services. We can do this by using JWT (Java Web Tokens). These tokens are simple strings that are cryptographically signed by a server, and that can be easily transported in any type of machine-to-machine communication where you want to avoid sessions and login forms. The server can then validate the token by checking the signature. By adding the Waher.Security.JWT.UWP NuGet package to our SensorHttp and ActuatorHttp projects, we can use JWT to protect our web services.
Mastering Internet of Things
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Mastering Internet of Things
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Overview of this book
The Internet of Things (IoT) is the fastest growing technology market. Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. Mastering Internet of Things starts by presenting IoT fundamentals and the smart city. You will learn the important technologies and protocols that are used for the Internet of Things, their features, corresponding security implications, and practical examples on how to use them. This book focuses on creating applications and services for the Internet of Things. Further, you will learn to create applications and services for the Internet of Things. You will be discover various interesting projects and understand how to publish sensor data, control devices, and react to asynchronous events using the XMPP protocol. The book also introduces chat, to interact with your devices. You will learn how to automate your tasks by using Internet of Things Service Platforms as the base for an application. You will understand the subject of privacy, requirements they should be familiar with, and how to avoid violating any of the important new regulations being introduced.
At the end of the book, you will have mastered creating open, interoperable and secure networks of things, protecting the privacy and integrity of your users and their information.
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Mastering Internet of Things
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Table of Contents (24 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Free Chapter
Preparing Our First Raspberry Pi Project
Creating a Sensor to Measure Ambient Light
Creating an Actuator for Controlling Illumination
Publishing Information Using MQTT
Publishing Data Using HTTP
Creating Web Pages for Your Devices
Communicating More Efficiently Using CoAP
Interoperability
Social Interaction with Your Devices Using XMPP
The Controller
Product Life Cycle
Concentrators and Bridges
Using an Internet of Things Service Platform
IoT Harmonization
Security for the Internet of Things
Other Books You May Enjoy
Index
Customer Reviews