Rather than including a static network descriptor in messages transmitted between master and slave Bluetooth-enabled devices communicating on a piconet, which network descriptor is computed as a known function of the master's Bluetooth address (BD_ADDR), the network descriptor is changed each time a...http://www.google.com.au/patents/US6574455?utm_source=gb-gplus-sharePatent US6574455 - Method and apparatus for ensuring security of users of bluetooth TM-enabled devices
