Privacy Enhancement on Unilateral Bluetooth Authentication Protocol for Mobile Crowdsensing

Table 1

Privacy features of Bluetooth IoT scenarios.

Feature/scenario	Child care	Medical and healthcare	Animal tracker	Barcode scanner	Greenhouse monitoring system	Battlefield surveillance
Systems based on device implants	No	Possible	Possible	No	Possible	Possible
Device associated with a person	Yes	Possible	No	Possible	No	Possible
Fixed link between device and identity	Yes	Yes	Yes	Possible	Possible	Possible
System operating locally within a restricted area	Yes	Yes	No	Yes	No	No
System within a single organization	No	No	Yes	No	No	Yes
System operating across different organizations	No	No	No	No	Yes	No
Privacy demand	High	High	Low	Medium	Low	High