trust_is_certificate_anchored

Check if the certificate is a trust anchor for the given purpose.

A trust anchor is used to verify the signatures on other certificates when verifying a certificate chain. Also known as a trusted certificate authority.

This call may block, see [func@Gcr.trust_is_certificate_anchored_async] for the non-blocking version.

In the case of an error, false is also returned. Check throws to detect if an error occurred.

Parameters:

certificate	a Certificate to check
purpose	the purpose string
cancellable	a Cancellable

Returns:

true if the certificate is a trust anchor