docs: private static byte[] lmResponse(final byte[] hash, final byte[] challenge) throws AuthenticationException {
          try {
              final byte[] keyBytes = new byte[21];
              System.arraycopy(hash, 0, keyBytes, 0, 16);
              final Key lowKey = createDESKey(keyBytes, 0);
              final Key middleKey = createDESKey(keyBytes, 7);
              final Key highKey = createDESKey(keyBytes, 14);
              final Cipher des = Cipher.getInstance("DES/ECB/NoPadding");
              des.init(Cipher.ENCRYPT_MODE, lowKey);
              final byte[] lowResponse = des.doFinal(challenge);
              des.init(Cipher.ENCRYPT_MODE, middleKey);
              final byte[] middleResponse = des.doFinal(challenge);
              des.init(Cipher.ENCRYPT_MODE, highKey);
              final byte[] highResponse = des.doFinal(challenge);
              final byte[] lmResponse = new byte[24];
              System.arraycopy(lowResponse, 0, lmResponse, 0, 8);
              System.arraycopy(middleResponse, 0, lmResponse, 8, 8);
              System.arraycopy(highResponse, 0, lmResponse, 16, 8);
              return lmResponse;
          } catch (final Exception e) {
              throw new AuthenticationException(e.getMessage(), e);
          }
      }