internal static extern bool CertSetCertificateContextProperty( SafeCertContextHandle certificateContext, uint propertyId, uint flags, [In] ref CRYPT_KEY_PROV_INFO data);
internal static extern bool CertAddCertificateContextToStore( SafeCertStoreHandle certificateStoreHandle, SafeCertContextHandle certificateContext, uint addDisposition, out SafeCertContextHandle storeContextPtr);