Building an SSO Provider with OpenID Connect in ASP.NET Core

Securing modern web applications requires a robust understanding of identity federation and centralized authentication. This text-based course guides you through the core concepts of building a Single Sign-On (SSO) provider using OpenID Connect (OIDC) within the ASP.NET Core ecosystem. You will transition from understanding basic authentication to designing and configuring a dedicated identity provider. Through detailed written explanations and clear code examples, you will learn how to handle user credentials, issue secure tokens, and establish trust between multiple client applications. What you'll learn: - Understand the fundamental terminology of OAuth 2.0 and OpenID Connect, including scopes, claims, and grant types. - Configure ASP.NET Core middleware and manage essential dependencies for identity management. - Implement secure token generation, signing keys, and JSON Web Token (JWT) validation. - Set up client registration and redirect URIs to authorize external applications securely. - Apply modern security practices like Proof Key for Code Exchange (PKCE) to protect authentication flows. - Practice troubleshooting authentication requests using step-by-step written walkthroughs. The course starts with essential identity concepts and protocol definitions before moving into hands-on configuration, middleware setup, and client integration. You will read comprehensive technical breakdowns and analyze realistic code snippets to solidify your understanding. This course is designed for developers new to identity protocols and ASP.NET Core authentication, with no prior experience with OpenID Connect required. Start building secure, centralized authentication systems today.