XMLCipher cipher = XMLCipher.getInstance(XMLCipher.CAMELLIA_128_KeyWrap);
keygen = KeyGenerator.getInstance("Camellia");
keygen.init(128);
SecretKey keyWrappingKey = keygen.generateKey();
cipher.init(XMLCipher.WRAP_MODE, keyWrappingKey);
EncryptedKey encryptedKey = cipher.encryptKey(document, key);
List<String> localNames = new ArrayList<String>();
localNames.add("PaymentInfo");
String encryptionAlgorithm = XMLCipher.CAMELLIA_128;