open ssl to generate private key for JWT token in nodejs
https://helpcenter.gsx.com/hc/en-us/articles/115015960428-How-to-Generate-a-Self-Signed-Certificate-and-Private-Key-using-OpenSSL this is link from where you can install. for generating keys you can search for that, you will found better scripts to generate the keys that you wanted.
https://helpcenter.gsx.com/hc/en-us/articles/115015960428-How-to-Generate-a-Self-Signed-Certificate-and-Private-Key-using-OpenSSL this is link from where you can install. for generating keys you can search for that, you will found better scripts to generate the keys that you wanted.