In today’s digital landscape, identity federation is a critical component of application security, especially for organizations offering multiple services. OAuth 2.0 and OpenID Connect (OIDC) are the leading protocols in this space, each serving unique purposes in authorization and authentication. But what sets them apart, and how do they work?

This article provides an in-depth exploration of OAuth 2.0 and OIDC, covering:

OAuth 2.0: The standard for authorization, enabling applications to access user resources without exposing sensitive information.

OpenID Connect (OIDC): An authentication layer on top of OAuth 2.0, allowing applications to verify user identity and retrieve profile details.

Key Use Cases: Learn when to use OAuth 2.0 for secure access to resources and OIDC for user authentication across platforms.

Java Integration: Discover how to integrate these protocols in Java applications using Spring Security and Keycloak for robust identity management.

With diagrams illustrating the flow for both OAuth 2.0 and OIDC, you’ll gain a practical understanding of these protocols to enhance your application’s security, support Single Sign-On (SSO), and enable interoperability across identity providers like Google, Facebook, and Keycloak.

#OAuth2 #OpenIDConnect #ApplicationSecurity #Java #SpringSecurity #Authentication #Authorization #Keycloak #JWT #APISecurity #IdentityManagement #SecureApplications