sign_user_id Method
Signs the specified user Id of the current key.
Syntax
def sign_user_id(user_id: str, issuer_user_id: str) -> None: ...
Remarks
This method signs the UserId with the IssuerUserId.
To sign all user Ids in the current key set the UserId parameter to "*".
The key's passphrase is required for this operation and may be specified via key_passphrase or through the on_key_passphrase event.