A Low-Overhead Design Method for Hybrid Configurable PD PUF Using Cross-Path Selection Architecture
A technology for selecting structures and cross-paths, applied in secure communication devices, user identity/authority verification, digital transmission systems, etc., can solve the problem of large consumption of LUT resources, achieve reduced hardware overhead, good performance, and increase response bits Effect
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[0040] A low-overhead design method for a hybrid configurable RO PUF utilizing a cross-path selection structure, comprising the following steps:
[0041] Step 1): Initialize settings
[0042] The initialization settings include the setting of the number of bits of the physical unclonable function and the setting of the physical unclonable unit.
[0043] Wherein, the setting of the number of bits of the physical unclonable function is preset in the FPGA through the design file, and in the present invention, the number of bits of the physical unclonable function is set to 512 bits.
[0044] And the position of the physical unclonable function generation unit on the FPGA is defined by the preset of the constraint file. In this embodiment, four physical unclonable function generation units are implemented on the FPGA;
[0045] In the present invention, each physical unclonable function generation unit includes two groups of ring oscillator pairs, each group of ring oscillator pai...
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