JWT Auth in ASP.NET Core

How to implement JWT authentication and authorization in ASP.NET Core

Changhui Xu
codeburst

JSON Web Token (JWT) is a compact and URL-safe string, which represents claims in a specific format that is defined by the industry-standard RFC 7519. JWT is a standard method to transmit claims securely between two parties. People typically use JWTs as identity proof in web applications and mobile apps.

There are many articles talking about JWT, and I think JWT is really being hyped. As a responsible writer, I would strongly encourage you to thoroughly consider whether you should use JWT at all. The following articles are worth reading in order to make an educated and unbiased decision.

If you decide to continue reading this article, then I assume you have some reasons to use JWTs in your application.

In this article, I will show you how to implement an ASP.NET Core web API application using JWT authentication and authorization. This web API application implements processes such as login, logout, refresh token, impersonation, and so on. The following screenshot shows the API endpoints that we are…

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