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Trusona OpenID Connect Example using .NET Core

This project demonstrates integrating ASP.NET and Trusona using the built-in OpenID Connect components.

Signup for a Trusona Developers account at


  • .NET Core 2.1
  • Trusona Developers Account

Project setup

  1. Checkout the project from GitHub
  2. Email and let them know that you want to run this example. Include the email that is displayed when you log in to your Trusona Developers account.
  3. Edit appsettings.json and add your ClientID value
  4. Execute dotnet run --project trusona-gateway-example

Using the example

  1. Open a browser and navigate to https://localhost:5001
  2. Click the “Login with Trusona button” that you see on the screen
  3. Open the Trusona App on your phone
  4. Now that you’ve been redirect to the Trusona Gateway, use the Trusona App to scan the QR code on your screen
  5. Tap "Accept" in the Trusona App
  6. Now you’ve been redirected back to the example application running on your machine
  7. See the user information displayed on the screen that indicates a successful login

Technical information

The following snippet from Startup.cs descibes how you configure .NET to use OpenID Connect for integration with Trusona.

On startup, the framework will auto-configure using Trusona's metadata address and the your Client ID.

In this example we are requesting an e-mail address and profile information in addition to the unique nameidentifier.

Note: There is an outstanding issue with iOS and Safari and the .NET framework. This example as configured does not work on these devices. For more information, see

  .AddAuthentication(options =>
    options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme;
  .AddOpenIdConnect(options =>
    options.ClientId = "<client_id>";
    options.MetadataAddress = "";
    options.ResponseMode = OpenIdConnectResponseMode.FormPost;
    options.ResponseType = OpenIdConnectResponseType.IdToken;
    options.TokenValidationParameters = new TokenValidationParameters()
      ValidateIssuer = true


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