JWT Authentication And Authorization In .NET 6.0 With Identity Framework | Creating Login API|Part-6
Microsoft released .NET 6.0 on November 2021. I have already written couple of articles about JWT authentication on C# Corner. Since .NET 6.0 made some significant changes, I have decided to write one article about JWT authentication using .NET 6.0 version. We will be using Microsoft Identity framework to store user and role information.
Authentication is the process of validating user credentials and authorization is the process of checking privileges for a user to access specific modules in an application. In this article, we will see how to protect an ASP.NET Core Web API application by implementing JWT authentication. We will also see how to use authorization in ASP.NET Core to supply access to various functionalities of the application. We will store user credentials in an SQL server database, and we will use Entity framework and Identity framework for database operations.
JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed. JWTs can be signed using a secret (with the HMAC algorithm) or a public/private key pair using RSA or ECDSA.
In its compact form, JSON Web Tokens consist of three parts separated by dots (.), which are:
Header
Payload
Signature
Therefore, a JWT typically looks like the following.
xxxx.yyyy.zzzz
Please refer to the link below for more details about JSON Web Tokens
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