or null if cert is self-signed or signed with an unknown certificate.
TlsCertificate.getIssuer
gio.tls_certificate.TlsCertificate getIssuer()Gets the #GTlsCertificate representing cert's issuer, if known
Returns
The certificate of cert's issuer,
gio.tls_certificate.TlsCertificate getIssuer()Gets the #GTlsCertificate representing cert's issuer, if known
or null if cert is self-signed or signed with an unknown certificate.