public static String encrypt(
     final String text, final String password, final byte[] salt, final byte[] iv) {
   final byte[] data = CryptoHelper.getRawBytes(text);
   final byte[] encryptedData =
       AES.encrypt(data, password, salt, iv, AES.KEY_SIZE_DEFAULT, AES.ITERATION_COUNT_DEFAULT);
   return CryptoHelper.base64Encode(encryptedData);
 }
 public String encrypt(final String text) {
   final byte[] data = CryptoHelper.getRawBytes(text);
   final byte[] encryptedData = encrypt(data);
   return CryptoHelper.base64Encode(encryptedData);
 }