Semiconductor device, method of authentifying and system

Details Semiconductor device, method of authentifying and system Semiconductor device, method of authentifying and system

2004-05-17

2009-06-30

Nguyen, Vincent Q (Department: 2831)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

C324S765010

Reexamination Certificate

active

07554337

ABSTRACT:
The semiconductor device of the invention includes a circuit and a protecting structure. It is provided with a first and a second security element and with an input and an output. The security elements have a first and a second impedance, respectively, which impedances differ. The device is further provided with a measuring unit a processing unit and a connection unit. The processing unit transform any first information received into a specific program of measurement. Herewith a challenge-response mechanism is implemented in the device.

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U.S. Appl. No. 60/439,986.
U.S. Appl. No. 60/434,520.
U.S. Appl. No. 60/434,829.

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