In this article we will see how we can create and sign a JWT token with the RS256 algorithm. This function is complementary to the validate function I posted some time ago.
Here is the Sign(...)
function that can create a RS256 signed JWT token. It makes use of the BouncyCastle library. It is available as a NuGet package with version 1.8.1.
Here are some helper functions used in the above snippet.
Generate Jwt Token With Keypad
The helper functions are the same ones found in the validate function.
A JSON Web Key (JWK) is a cryptographic key or keypair expressed in JSON format. This site offers a mechanism to easily generate random keys for use in servers and other projects. This server will never log or store any generated keys.The source code for this server is available on GitHub for inspection and re-use. If you would like to generate your own key locally (so as not. I believe the libraries I'm attempting to use in dotnet core are trying to load a cert as an X509 then get the RSA Private key to send into a jwt.Encode method. I am not able to just use the pem file.
- This tutorial guides you on how to create JWT token and sign with RSA private key. JWT (JSON Web Token) is an encoded representation of a JSON object. JWTs are used in authentication/ authorization mechanisms. Create JWT Token and Sign with RSA Private Key. As mentioned JWT’s are encoded representation of a JSON object.
- In this Apigee Edge 4MV4D, Find out how to Generate JWT Token using Google's Apigee Edge API Management Platform to secure your APIs.Q&A: https://community.a.
- All the clients making the requests to API will send that JWT token in Authorization Bearer and Apigee Edge will be used to verify the JWT Token. How do I use Keycloak to generate this JWT token? Also, Apigee needs a public key of the origin of the JWT token (the server which signed the JWT token, in this case, I believe that is Keycloak).
Generate Jwt Token With Private Key
This function is based on the code snippet found in this SO question.
Update 1: You can check this post here, where I have created a C# library that manages Jwt tokens.
Generate Jwt Token With Keys
Update 2: If you are having trouble making your keys work, have a look in my Check your RSA private and public keys post and make sure to check the Additional Resources section as well