How do I implement two-factor authentication in ASP.NET Core?

How do I implement two-factor authentication in ASP.NET Core?

To implement two-factor authentication in ASP.NET Core, you can use the built-in Identity framework. First, ensure you have the Identity services configured in your Startup.cs.

What are the steps to configure Identity services?

You need to add services for Identity in the ConfigureServices method, set up the database context, and configure the authentication options.

Can you explain how to send verification codes?

You can use the UserManager class to generate a token and send it via email or SMS. You can implement this in your account controller.

What if I want to use SMS for verification?

For SMS, you can integrate a service like Twilio to send the verification codes. You'll need to set up the Twilio client in your application.