code: public static byte[] getLMResponse(String password, byte[] challenge)
              throws Exception {
          byte[] lmHash = lmHash(password);
          return lmResponse(lmHash, challenge);
      }
docs: Calculates the LM Response for the given challenge, using the specified
  password.
  
  @param password The user's password.
  @param challenge The Type 2 challenge from the server.
  
  @return The LM Response.