Asynchronously lookup the issuer of @certificate in the database. See g_tls_database_lookup_certificate_issuer() for more information.
a #GTlsCertificate
used to interact with the user if necessary
flags which affect the lookup operation
a #GCancellable, or %NULL
callback to call when the operation completes
the data to pass to the callback function
2.30
See Implementation
Asynchronously lookup the issuer of @certificate in the database. See g_tls_database_lookup_certificate_issuer() for more information.