Duo Universal Prompt C# Client

This library allows a web developer to quickly add Duo's interactive, self-service, two-factor authentication to any .NET web login form.

See our developer documentation at https://www.duosecurity.com/docs/duoweb for guidance on integrating Duo 2FA into your web application.

What's here:

• DuoUniversal - The Duo SDK for interacting with the Duo Universal Prompt
• DuoUniversal.Example - An example web application with Duo integrated

The example application has a dedicated README with further instructions on how to build and run it.

Usage

This library requires .NET Core 3.1 or higher, or .NET Framework 4.7.1 or higher

The library is available on NuGet at https://www.nuget.org/packages/DuoUniversal/1.2.4

Include it in your .NET project with:

dotnet add package DuoUniversal --version 1.2.4

TLS 1.2 and 1.3 Support

Duo_universal_csharp uses the .NET libraries for TLS operations. .NET 4.7 or later is required for TLS 1.2; .NET 4.8 or later is required for TLS 1.3.

Building with the .NET CLI

Run dotnet build to generate the assemblies.

Testing

The tests require .NET Core 6.0.

With the .NET CLI

From the root directory run:

dotnet test

Linting

With the .NET CLI

Check the code format with:

dotnet format --verify-no-changes

Support

Please report any bugs, feature requests, or issues to us directly at support@duosecurity.com.

Thank you for using Duo!

https://duo.com/