How to use

CryptographicConstraint

in

eu.europa.esig.jaxb.policy

/**
 * Create an instance of {@link CryptographicConstraint }
 * 
 */
public CryptographicConstraint createCryptographicConstraint() {
  return new CryptographicConstraint();
}

ListAlgo acceptableEncryptionAlgo = constraint.getAcceptableEncryptionAlgo();
if ((acceptableEncryptionAlgo != null) && Utils.isCollectionNotEmpty(acceptableEncryptionAlgo.getAlgo())) {
  if (!isIn(token.getEncryptionAlgoUsedToSignThisToken(), acceptableEncryptionAlgo.getAlgo())) {
ListAlgo acceptableDigestAlgo = constraint.getAcceptableDigestAlgo();
if ((acceptableDigestAlgo != null) && Utils.isCollectionNotEmpty(acceptableDigestAlgo.getAlgo())) {
  if (!isIn(token.getDigestAlgoUsedToSignThisToken(), acceptableDigestAlgo.getAlgo())) {
ListAlgo miniPublicKeySize = constraint.getMiniPublicKeySize();
if ((miniPublicKeySize != null) && Utils.isCollectionNotEmpty(miniPublicKeySize.getAlgo())) {
  String keySize = token.getKeyLengthUsedToSignThisToken();
AlgoExpirationDate algoExpirationDate = constraint.getAlgoExpirationDate();
if ((algoExpirationDate != null) && Utils.isCollectionNotEmpty(algoExpirationDate.getAlgo())) {

@Test
public void testUnmarshalling() throws Exception {
  ConstraintsParameters constraintsParameters = unmarshal(new File("src/test/resources/constraint.xml"));
  Algo algo = constraintsParameters.getSignatureConstraints().getBasicSignatureConstraints().getCryptographic().getMiniPublicKeySize().getAlgo().get(0);
  assertNotNull(algo);
  String algoName = algo.getValue();
  assertEquals("DSA", algoName);
  assertEquals("128", algo.getSize());
  JAXBContext jc = JAXBContext.newInstance("eu.europa.esig.jaxb.policy");
  Marshaller marshaller = jc.createMarshaller();
  marshaller.marshal(constraintsParameters, new FileOutputStream("target/constraint.xml"));
}

private Date extractExpirationDate(final String algorithm, CryptographicConstraint signatureCryptographicConstraint) {
  AlgoExpirationDate algoExpirationDate = signatureCryptographicConstraint.getAlgoExpirationDate();
  String dateFormat = DateUtils.DEFAULT_DATE_FORMAT;
  if (algoExpirationDate != null) {
    if (Utils.isStringNotEmpty(algoExpirationDate.getFormat())) {
      dateFormat = algoExpirationDate.getFormat();
    }
    List<Algo> algos = algoExpirationDate.getAlgo();
    String foundExpirationDate = null;
    for (Algo algo : algos) {
      if (Utils.areStringsEqualIgnoreCase(algo.getValue(), algorithm)) {
        foundExpirationDate = algo.getDate();
      }
    }
    if (Utils.isStringNotEmpty(foundExpirationDate)) {
      return DateUtils.parseDate(dateFormat, foundExpirationDate);
    }
  }
  return null;
}