builder.setUserInfo("16c73ab6-b892-458f-abf5-2f875f74882e", "security");
builder.setKeyIdentifierType(WSConstants.ISSUER_SERIAL);
LOG.info("Before Signing IS....");
Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG);
WSSecHeader secHeader = new WSSecHeader();
secHeader.insertSecurityHeader(doc);
Document signedDoc = builder.build(doc, crypto, secHeader);
if (LOG.isDebugEnabled()) {
LOG.debug("Signed message with IssuerSerial key identifier:");
String outputString =