The certificate (PEM/base64 encoded).
property SigningCertEncoded: String read get_SigningCertEncoded write set_SigningCertEncoded; property SigningCertEncodedB: TBytes read get_SigningCertEncodedB write set_SigningCertEncodedB;
When Encoded is set, a search is initiated in the current Store for the private key of the certificate. If the key is found, Subject is updated to reflect the full subject of the selected certificate, otherwise Subject is set to empty string.
This property is not available at design time.