Imperfect Silicon, Near-Perfect Security

Some chipmakers, under pressure to add security to rapidly growing numbers of IoT devices, have rediscovered a "fingerprinting" technique used primarily as an anti-counterfeiting measure. [getkc id="227" kc_name="Physically unclonable functions"] (PUFs) are used to assign a unique identification number based on inconsistencies in the speed with which current causes a series of logic gates to... » read more