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PUF Group with Dynamically Shared Entropy
Description
The traditional physical unclonable function (PUF) based authentication model is performed through a challenge-response pair (CRP) dataset, which is difficult to meet the requirements of N-party authentication. This paper introduces a new variant of the PUF group with shared entropy, which enables decentralized authentication through multiple PUFs that yield the same response. The proposed PUF group design employs a dual linear feedback shift register (LFSR) to generate inter-group unique dynamic responses. In the proposed structure, the Weak PUF entropy source provides a random initial vector of LFSRs, and the output of the LFSRs undergoes processing using a one-way nonlinear block comprising bent functions. Experimental results demonstrate desirable matching rates for the intra-group responses and high statistical performance for the inter-group responses. The proposed method achieves high levels of randomness and attack resistance with low hardware overhead, which indicates its suitability for secure and scalable N-party authentication scenarios.
The traditional physical unclonable function (PUF) based authentication model is performed through a challenge-response pair (CRP) dataset, which is difficult to meet the requirements of N-party authentication. This paper introduces a new variant of the PUF group with shared entropy, which enables decentralized authentication through multiple PUFs that yield the same response. The proposed PUF group design employs a dual linear feedback shift register (LFSR) to generate inter-group unique dynamic responses. In the proposed structure, the Weak PUF entropy source provides a random initial vector of LFSRs, and the output of the LFSRs undergoes processing using a one-way nonlinear block comprising bent functions. Experimental results demonstrate desirable matching rates for the intra-group responses and high statistical performance for the inter-group responses. The proposed method achieves high levels of randomness and attack resistance with low hardware overhead, which indicates its suitability for secure and scalable N-party authentication scenarios.
Journal
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- DAシンポジウム2023論文集
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DAシンポジウム2023論文集 2023 23-28, 2023-08-23
情報処理学会
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Keywords
Details 詳細情報について
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- CRID
- 1050578747056507264
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- Text Lang
- en
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- Article Type
- conference paper
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- Data Source
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- IRDB