A system and method are provided for preventing unauthorized access to electronic data stored on an electronic device. A portable licensing medium is configured to communicate with the electronic device for storing license data. The license data is used to determine whether to allow access to the electronic...http://www.google.fr/patents/US6857067?utm_source=gb-gplus-shareBrevet US6857067 - System and method for preventing unauthorized access to electronic data
System and method for preventing unauthorized access to electronic data
