Diff OpenID Connect Vs SAML Vs OAuth 2.0? What is Identity Providers? What SAML? What is OAuth 2.0?

OpenId Connect Vs SAML Vs OAuth 2.0 |Identity Providers | Difference between IDP(Identity Providers)
The Differences Between Standards
The main differentiator between these three players is that OAuth 2.0 is a framework that controls authorization to a protected resource such as an application or a set of files, while OpenID Connect and SAML are both industry standards for federated authentication. That means that OAuth 2.0 is used in fundamentally different situations than the other two standards (examples of which can be seen below), and can be used simultaneously with either OpenID Connect or SAML.

Using either OpenID Connect or SAML independently, enterprises can achieve user authentication and deploy single sign-on. Though they both deal with logins, they have different strengths and weaknesses.

OpenID Connect is built on the OAuth 2.0 protocol and uses an additional JSON Web Token (JWT), called an ID token, to standardize areas that OAuth 2.0 leaves up to choice, such as scopes and endpoint discovery. It is specifically focused on user authentication and is widely used to enable user logins on consumer websites and mobile apps.
SAML is independent of OAuth, relying on an exchange of messages to authenticate in XML SAML format, as opposed to JWT. It is more commonly used to help enterprise users sign in to multiple applications using a single login.

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[maheshl]

Good one, ..Thank you, ..You summarised every thing in few slides which anyone can follow. Appreciate if you could come with few practical or follow on video on the same frame works of saml o auth & opidc.

[gopikrishnag]

Very nice and cristal clear explanation, thanks a lot👏

[trnagarajan]

You are simply reading. Please provide your real world example and explain.

[sachin]

Not useful as its only reading but not providing any background, same info already present on Okta site.