} else if (tokenElement == null
&& "SecurityContextToken".equals(encryptionToken.getDerivedKeyTokenReference())) {
nextSibling = findSCTSibling(reqData);
}
if (nextSibling == null) {
wsEncrypt.prependDKElementToHeader(reqData.getSecHeader());
} else {
reqData.getSecHeader().getSecurityHeader().insertBefore(
wsEncrypt.getdktElement(), nextSibling);
}