A method of updating a data entry stored on a data storage unit, the data entry including data elements that are unique to the data storage unit and the data entry, may begin with generating, at the data storage unit, an update request that includes the data entry for transmission to an authority authorized...http://www.google.de/patents/US8015369?utm_source=gb-gplus-sharePatent US8015369 - Updating data entries stored on a data storage unit from an authority
