Reconfigurable, high stability gate-tunneling physical unclonable function
AssigneeCrypto Quantique Limited
InventorsMatthew Douthwaite, Ranganathan Desikachari, Matthew James Schormans
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Abstract
There is provided a circuit for a physical unclonable function comprising: first and second outputs; a cell comprising a plurality of CMOS devices; and a plurality of switching devices, the plurality of switching devices operable to connect a gate terminal of each of the plurality of CMOS devices to one of the first and second outputs, wherein a quantity of the plurality CMOS devices is a multiple of two, and wherein the circuit is configured such that each of the first and second output is connected to an equal quantity of the plurality of CMOS devices.
Claims8
A circuit for a physical unclonable function comprising:
- a first output and second output;
- a cell comprising a plurality of CMOS devices;
- and
- a plurality of switching devices, the plurality of switching devices operable to connect a gate terminal of each of the plurality of CMOS devices to one of the first output and the second output,
- wherein a quantity of the plurality of CMOS devices is a multiple of two, and
- wherein the circuit is configured such that each of the first output and the second output is connected to an equal quantity of the plurality of CMOS devices.
Dependencies are inferred from the claim text.