Cryptex - hide your real order_id

Config

In system/config/default.php set

$_['cryptex_key']           =  'RANDOM%STRING';
$_['cryptex_max']           =  8999999;//Max int order id
$_['cryptex_smooth']        =  1000000;//Smooth order id. Allows to increase the order number digit capacity 
$_['cryptex_start']         =  123;//Last real order id +1

cryptex_smooth == or > cryptex_start
with these settings:
minimum order number displayed is 1000001
maximum order number displayed is 9999999
maximum real order id - 8999999!