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FOM-CDS PUF: A Novel Configurable Dual State Strong PUF Based on Feedback Obfuscation Mechanism against Modeling Attacks

Hong LI, Wenjun CAO, Chen WANG, Xinrui ZHU, Guisheng LIAO, Zhangqing HE

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Summary :

The configurable Ring oscillator Physical unclonable function (CRO PUF) is the newly proposed strong PUF based on classic RO PUF, which can generate exponential Challenge-Response Pairs (CRPs) and has good uniqueness and reliability. However, existing proposals have low hardware utilization and vulnerability to modeling attacks. In this paper, we propose a Novel Configurable Dual State (CDS) PUF with lower overhead and higher resistance to modeling attacks. This structure can be flexibly transformed into RO PUF and TERO PUF in the same topology according to the parity of the Hamming Weight (HW) of the challenge, which can achieve 100% utilization of the inverters and improve the efficiency of hardware utilization. A feedback obfuscation mechanism (FOM) is also proposed, which uses the stable count value of the ring oscillator in the PUF as the updated mask to confuse and hide the original challenge, significantly improving the effect of resisting modeling attacks. The proposed FOM-CDS PUF is analyzed by building a mathematical model and finally implemented on Xilinx Artix-7 FPGA, the test results show that the FOM-CDS PUF can effectively resist several popular modeling attack methods and the prediction accuracy is below 60%. Meanwhile it shows that the FOM-CDS PUF has good performance with uniformity, Bit Error Rate at different temperatures, Bit Error Rate at different voltages and uniqueness of 53.68%, 7.91%, 5.64% and 50.33% respectively.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E106-A No.10 pp.1311-1321
Publication Date
2023/10/01
Publicized
2023/03/29
Online ISSN
1745-1337
DOI
10.1587/transfun.2022EAP1151
Type of Manuscript
PAPER
Category
Cryptography and Information Security

Authors

Hong LI
  Huazhong University of Science and Technology,Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control
Wenjun CAO
  Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control
Chen WANG
  Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control
Xinrui ZHU
  Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control
Guisheng LIAO
  Xidian University
Zhangqing HE
  Hubei Key Laboratory of Solar Energy Efficient Utilization and Energy Storage Operation Control

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