oauth2_server_trust_file
Specifies the path to a file containing one or more PEM-encoded public certificates that can be used to validate the HTTPS server’s identity. If unspecified, the system trust is used.
oauth2_server_trust_file = pathname
This parameter is optional and is only relevant when the value of
is set to the URL of an HTTPS JWKS endpoint.
oauth2_server_validation_key