Patent ID: 9247024
Filing Date: 2016-01-26
CPC Classification: G06F,H04L

Claim Text:
1. A method of controlled activation of at least one function in a product or component at a remote location, which activation requires a correct activation data item to be available in the product or component, the method comprising: providing at the remote location a product or component, the product or component being configured to require a correct pre-determined activation data item to be available in the product or component to activate at least one function, receiving from the remote location, after the providing at the remote location the product or component, data based on one or more noisy outputs of an unclonable element at the remote location and associated with the product or component, computing helper data based on the received data based on the one or more noisy outputs such that applying the helper data to the one or more noisy outputs transforms the one or more noisy outputs to a single value which corresponds to the correct activation data item, and providing the helper data to the remote location for transforming the one or more noisy outputs to a single value which corresponds to the correct activation data item.