Patent ID: 8219804

Claim:
A device configured for tracking usage, comprising: one or more processors; and a memory coupled to the one or more processors and storing instructions which, when processed by the one or more processors, causes: the device establishing communication with a smart card; the device receiving a first digital certificate from the smart card; the device authenticating the smart card based on the first digital certificate; the device receiving a request from the smart card for a second digital certificate; in response to receiving the request from the smart card for the second digital certificate, the device submitting the second digital certificate to the smart card for the smart card to authenticate the device using the second digital certificate; based on successful authentication of the smart card by the device using the first digital certificate, the device providing user access to device operations; the device generating usage data that indicate usage of the device operations; and in response to successful authentication of the device by the smart card using the second digital certificate, the device communicating the usage data to a usage data management application executing on the smart card, wherein the usage data management application updates a usage record of a plurality of usage records with the usage data.