Config file for login class.

config.php

<?php if ( ! defined('BASEPATH')) exit('No direct access allowed'); 

$config['username'] = '';
$config['error_message'] = 'Sorry we could not log you in.';
$config['logout_message'] = 'You have been logged out.';
$config['default_page'] = 'index.php';
$config['password'] = '' //should be hashed with sha1;