Finish an asynchronous lookup of a certificate by its handle. See gio.tls_database.TlsDatabase.lookupCertificateForHandle for more information.
If the handle is no longer valid, or does not point to a certificate in this database, then null will be returned.
a #GAsyncResult.
a newly allocated #GTlsCertificate object. Use gobject.object.ObjectG.unref to release the certificate.
Finish an asynchronous lookup of a certificate by its handle. See gio.tls_database.TlsDatabase.lookupCertificateForHandle for more information.
If the handle is no longer valid, or does not point to a certificate in this database, then null will be returned.