Tag Archives: keycloak

Implement ASP.NET Core OpenID Connect with Keycloak to implement Level of Authentication (LoA) requirements

July 2, 2025 · by · in .NET, .NET Core, ASP.NET Core, OAuth2, Security · 3 Comments

This post looks at implementing an OpenID Connect client in ASP.NET Core and require a level of authentication (LoA) implemented using Keycloak. The applications are hosted using Aspire. The LoA is requested in Keycloak using the acr_values claim. Code: https://github.com/damienbod/IdentityExternalErrorHandling Setup The applications are implemented using Aspire. An ASP.NET Core application uses an OpenID Connect […]

Implement OpenID Connect Back-Channel Logout using ASP.NET Core, Keycloak and .NET Aspire

September 9, 2024 · by · in ASP.NET Core, dotnet, OAuth2, Security · 1 Comment

This post shows how to implement an OpenID Connect back-channel logout using Keycloak, ASP.NET Core and .NET Aspire. The Keycloak and the Redis cache are run as containers using .NET Aspire. Two ASP.NET Core UI applications are used to demonstrate the server logout. Code: https://github.com/damienbod/keycloak-backchannel Setup The applications are run and tested using .NET Aspire. […]

Implement an OpenIddict identity provider using ASP.NET Core Identity with Keycloak federation

May 2, 2022 · by · in .NET, .NET Core, ASP.NET Core, dotnet · 4 Comments

This post shows how to setup a Keycloak external authentication in an OpenIddict identity provider using ASP.NET Core identity. Code: https://github.com/damienbod/AspNetCoreOpeniddict Setup The solution context implements OpenID Connect clients which use an OpenIddict identity provider and ASP.NET Core Identity to manage the accounts. All clients authenticate using the OpenIddict server. Keycloak is used as an […]