May 2015
Intermediate to advanced
274 pages
5h 11m
English
OpenID is an authentication protocol, wherein OpenID Providers validate the identity of a user for third-party applications. An OpenID Provider is any service/application that provides an OpenID to users. Yahoo, AOL, and others are a few examples of these. Applications that require a user's OpenID to complete transactions are known as OpenID Consumers.
The flow of control in an OpenID Consumer is as follows:
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