Patent ID: 6668375
Filing Date: 2003-12-23
Classification: G06F,G06Q,Y10S

Abstract:
A method for installing a software option for a software application that has been previously installed on a system, the software option being included on an installation medium that includes an installation module, the software application having been registered with a customer service registry, the method comprising the steps of:receiving from a user an indication of the software option to be installed on the system; constructing, from elements of the customer service registry, system identification information that uniquely identifies the software application for which the software option is to be installed; constructing an order alteration request as a function of the system identification information and the software option that was indicated to be installed; providing the order alteration request to the customer service registry; receiving, from the customer service registry, a key that is computed by the customer service registry by hashing predetermined elements of the order alteration request; computing a confirmatory key by hashing the predetermined elements of the order alteration request; and comparing the key to the confirmatory key, and installing the software option if the key is the same as the confirmatory key.