Overview#

Acr is an Abbreviation and or a OAuth Parameters Registry entry for Authentication Context Class Reference

OpenID Connect#

Acr is also a OpenID Connect parameter provided within the Identity Token or the userinfo_endpoint which specifies the Authentication Context Class Value that was used for Authentication

This informs the Relying Party how the user performed the login

More Information#

There might be more information for this subject on one of the following:

• Acr_values
• Authentication Context Class
• Authentication Context Class Reference
• Authentication Context Class Values
• Authentication Method Reference
• Best Practices OpenID Connect
• Claim
• Default_acr_values
• Identity Token
• Identity Token Claims
• Identity Token Validation
• Implicit Scopes
• JSON Web Token Claims
• OAuth Scope Example
• OpenID Connect Claims
• OpenID Connect Standard Claims
• OpenID Connect for Identity Assurance
• Privileged Scope