a GTlsCertificate
used to interact with the user if necessary. [allow-none]
flags which affect the lookup operation
a GCancellable, or NULL. [allow-none]
a newly allocated issuer GTlsCertificate, or NULL. Use g_object_unref() to release the certificate. [transfer full]
GException on failure.
Lookup the issuer of certificate in the database. The issuer property of certificate is not modified, and the two certificates are not hooked into a chain. This function can block, use g_tls_database_lookup_certificate_issuer_async() to perform the lookup operation asynchronously. Since 2.30