Opc.Ua.Configuration.ApplicationInstance.DeleteApplicationInstanceCertificate C# (CSharp) Method

        private static void DeleteApplicationInstanceCertificate(ApplicationConfiguration configuration)
        {
            Utils.Trace(Utils.TraceMasks.Information, "Deleting application instance certificate.");

            // create a default certificate id none specified.
            CertificateIdentifier id = configuration.SecurityConfiguration.ApplicationCertificate;

            if (id == null)
            {
                return;
            }

            // delete private key.
            X509Certificate2 certificate = id.Find();

            // delete trusted peer certificate.
            if (configuration.SecurityConfiguration != null && configuration.SecurityConfiguration.TrustedPeerCertificates != null)
            {
                string thumbprint = id.Thumbprint;

                if (certificate != null)
                {
                    thumbprint = certificate.Thumbprint;
                }

                using (ICertificateStore store = configuration.SecurityConfiguration.TrustedPeerCertificates.OpenStore())
                {
                    store.Delete(thumbprint);
                }
            }

            // delete private key.
            if (certificate != null)
            {
                using (ICertificateStore store = id.OpenStore())
                {
                    store.Delete(certificate.Thumbprint);
                }
            }
        }