June 2016
Beginner
200 pages
4h 26m
English
Content preview from Identity and Data Security for Web Development
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Chapter 4. Securing the Login with OAuth 2 and OpenID Connect
In this chapter, we discuss the concepts behind the two standards—OAuth 2.0 and OpenID Connect—in order to provide a comprehensive overview of current authentication and authorization standards. To do so, the difference between authentication and authorization is outlined, followed by an explanation of OAuth’s evolution throughout the years. Afterward, we sketch out a basic implementation of an OAuth 2.0 server and client that leverages OpenID Connect functionality.
The Difference Between Authentication and Authorization
A common issue is seeing authentication and authorization as one and the same. In fact, they are very different and can be used in different scenarios or combined to allow access to different kinds of information. This section provides a basic understanding of the main differences and discusses why multiple standards exist and are being pushed forward at the same time.
Authentication
Authentication is the process of identifying a user against a service. OpenID was the first standard that aimed at providing a decentralized protocol for identifying users across multiple sites. The idea behind this was very simple: avoiding the tedious task of re-entering information over and over. Basically the login process is being delegated to another site.
OpenID was introduced in 2005 and saw enormous growth, totaling over 1 billion user accounts in 2009.1 Recent development showed less demand ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.