Reconfigurable multi-port physical unclonable functions circuit
AssigneeNingbo University
InventorsPengjun Wang, Yuejun Zhang, Zhidi Jiang, Jianrui Li
Life of this patent
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Abstract
A reconfigurable multi-port physical unclonable functions (RM-PUFs) circuit, including: an input signal interface, a first control circuit module, at least two RM-PUFs circuit units, and an output signal interface. Each RM-PUFs circuit unit includes a second control circuit module, an input module, an output module, and a deviation generation module. The input signal interface is connected to the first control circuit module, the first control circuit module is connected to the RM-PUFs circuit units, and the RM-PUFs circuit units are connected to the output signal interface.
Claims7
A reconfigurable multi-port physical unclonable functions (RM-PUFs) circuit, comprising:
- a) an input signal interface;
- b) a first control circuit module;
- c) at least two RM-PUFs circuit units, each RM-PUFs circuit unit comprising a second control circuit module, an input module, an output module, and a deviation generation module;
- and
- d) an output signal interface;
- wherein
- the second control circuit module is provided with an enable signal input terminal, an excitation signal output terminal, a control signal output terminal, and a key port number output terminal;
- the input module is provided with an external signal input terminal, an excitation signal input terminal, and a signal output terminal;
- the output module is provided with a port number input terminal, a signal input terminal, and a signal output terminal;
- and the deviation generation module is provided with a control signal terminal, a signal input terminal, and a signal output terminal;
- the input signal interface is connected to the first control circuit module, the first control circuit module is connected to the RM-PUFs circuit units, and the RM-PUFs circuit units are connected to the output signal interface;
- the excitation signal output terminal of the second control circuit module is connected to the excitation signal input terminal of the input module;
- the key port number output terminal of the second control circuit module is connected to the port number input terminal of the output module;
- the control signal output terminal of the second control circuit module is connected to the control signal terminal of the deviation generation module;
- the signal output terminal of the input module is connected to the signal input terminal of the deviation generation module;
- the signal output terminal of the deviation generation module is connected to the signal input terminal of the output module;
- and
- access signals of the external signal input terminal of the input module comprise a data signal, an address signal, and a control voltage signal.
Dependencies are inferred from the claim text.