In this invention, when security policy is attached to a file, a device protection manager is given the protected file's name. If the file is a special device file, then the device manager records the device specification in a device database. When a device access occurs, the device specification is...http://www.google.fr/patents/US7454788?utm_source=gb-gplus-shareBrevet US7454788 - Method for adding and enforcing enhanced authorization policy on devices in computer operation systems
Method for adding and enforcing enhanced authorization policy on devices in ...
