East-Kent-Partnership / Intranet

        return $this->user_model->clean($username);

    }

    function encrypt($key, $encrypt_item) {

        $iv = mcrypt_create_iv(IV_SIZE, MCRYPT_DEV_URANDOM);

        $crypt = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $encrypt_item, MCRYPT_MODE_CBC, $iv);

        $combo = $iv . $crypt;

        $output = base64_encode($iv . $crypt);

        return $output;

    }

    function ip_is_private($ip) {

       $safe_ip = array(

                        define('IV_SIZE', mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC));

                        function encrypt ($key, $username) {

                          $iv = mcrypt_create_iv(IV_SIZE, MCRYPT_DEV_URANDOM);

                          $crypt = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $username, MCRYPT_MODE_CBC, $iv);

                          $combo = $iv . $crypt;

                          $output = base64_encode($iv . $crypt);

                          return $output;

                        }

                        $key = "dnqyypv8y6qcm8n38cvmsuqkevcvmhy2";

                        $username = $u->getUserName();