TypeError: no implicit conversion of OpenSSL::PKey::RSA into String

[yivo]

Steps to reproduce:

1. JWT.encode({}, OpenSSL::PKey::RSA.generate(2048), 'HS384')

[excpt]

Thanks for reporting. What version of this gem are you using?

[ab320012]

You are specifying a HMAC algo but then trying to sign it with a RSA key which is causing the issue

[yivo]

@excpt It is 2.1.0.

@ab320012 I thought it should work with RSA key. Isn't it?

[yivo]

It works if I provide RSA key as string in PEM format:

JWT.encode({}, OpenSSL::PKey::RSA.generate(2048).to_pem, 'HS384')

[ab320012]

@excpt will throwing JWT::EncodeError if hmac secret is not a String be okay in this case ?

@yivo the HMAC secret is a single key that encodes and decodes. RSA uses a public/ private key. the #to_pem call returns a string so it will work as a key for HMAC. In this case the HMAC key has to be a string like in the docs
@excpt chime in if i'm not getting something

[yivo]

@ab320012 OK, so in this case it is fine!

@excpt I think we can close the issue.

Thank you for the help!