} else {
            writer.writeStartElement("dsig", "KeyValue", "http://www.w3.org/2000/09/xmldsig#");
            PublicKey key = cert.getPublicKey();
            String pubKeyAlgo = key.getAlgorithm();
            if ("DSA".equalsIgnoreCase(pubKeyAlgo)) {
                DSAKeyValue dsaKeyValue = new DSAKeyValue(writer.getDocument(), key);
                writer.getCurrentNode().appendChild(dsaKeyValue.getElement());
            } else if ("RSA".equalsIgnoreCase(pubKeyAlgo)) {
                RSAKeyValue rsaKeyValue = new RSAKeyValue(writer.getDocument(), key);
                writer.getCurrentNode().appendChild(rsaKeyValue.getElement());
            }
            writer.writeEndElement();