What is OpenID Connect in OAuth?

What is OpenID Connect in OAuth?

OpenID Connect 1.0 is a simple identity layer on top of the OAuth 2.0 protocol. It allows Clients to verify the identity of the End-User based on the authentication performed by an Authorization Server, as well as to obtain basic profile information about the End-User in an interoperable and REST-like manner.

What is OIDC and OAuth?

OAuth 2.0 is designed only for authorization, for granting access to data and features from one application to another. OpenID Connect (OIDC) is a thin layer that sits on top of OAuth 2.0 that adds login and profile information about the person who is logged in. The OpenID Connect flow looks the same as OAuth.

How does OpenID Connect work with OAuth 2.0?

OpenID Connect for OAuth 2.0 OpenID Connect is an identity layer developed on top of the OAuth 2.0 protocol. It lets clients confirm the identity of and receive basic profile information about the end-user based on the authentication done by using an authorization server.

How does OAuth work with third party applications?

In classic authorization and authentication mechanisms, to provide restricted resources access to third-party applications, a resource owner is required to share user credentials with a third party. However, this may have a few concerns as below: Third party applications would require to store the resource owner’s login credentials for future use

What’s the difference between OpenID authentication and authorization?

Authorization is about deciding what that guy should be allowed to do. In OpenID, authentication is delegated: server A wants to authenticate user U, but U’s credentials (e.g. U’s name and password) are sent to another server, B, that A trusts (at least, trusts for authenticating users).

What does an OpenID Connect ID token do?

OpenID connect will give you an access token plus an id token. The id token is a JWT and contains information about the authenticated user. It is signed by the identity provider and can be read and verified without accessing the identity provider.