transformer.transform(new DOMSource(document), new StreamResult(baos));
final XMLStreamReader xmlStreamReader =
xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(baos.toByteArray()));
// Decrypt
XMLSecurityProperties properties = new XMLSecurityProperties();
properties.setDecryptionKey(secretKey);
InboundXMLSec inboundXMLSec = XMLSec.getInboundWSSec(properties);
TestSecurityEventListener securityEventListener = new TestSecurityEventListener();
XMLStreamReader securityStreamReader =
inboundXMLSec.processInMessage(xmlStreamReader, null, securityEventListener);