SubjectType.STSubType subType = new SubjectType.STSubType();
subType.addBaseID(nameIDType);
subjectType.setSubType(subType);
SubjectConfirmationType subjectConfirmation = new SubjectConfirmationType();
subjectConfirmation.setMethod(idp.getSubjectConfirmationMethod());
SubjectConfirmationDataType subjectConfirmationData = new SubjectConfirmationDataType();
subjectConfirmationData.setInResponseTo(sp.getRequestID());
subjectConfirmationData.setRecipient(responseDestinationURI);
//subjectConfirmationData.setNotBefore(issueInstant);
subjectConfirmationData.setNotOnOrAfter(issueInstant);
subjectConfirmation.setSubjectConfirmationData(subjectConfirmationData);
subjectType.addConfirmation(subjectConfirmation);
AssertionType assertionType = SAMLAssertionFactory.createAssertion(id, nameIDType, issueInstant, (ConditionsType) null,
subjectType, (List<StatementAbstractType>) null);