A 0.16pJ/bit Recurrent Neural Network Based PUF for Enhanced Machine Learning Atack Resistance

Authors: Nimesh Shah, Manaar Alam, Durga Prasad Sahoo, Debdeep Mukhopadhyay, Arindam Basu
Published: 2018-12-13

Source: https://arxiv.org/abs/1812.05347

PDF: https://arxiv.org/pdf/1812.05347

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ロバスト性 シミュレーション環境 IoTトラフィック特性

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Abstract

Physically Unclonable Function (PUF) circuits are finding widespread use due to increasing adoption of IoT devices. However, the existing strong PUFs such as Arbiter PUFs (APUF) and its compositions are susceptible to machine learning (ML) attacks because the challenge-response pairs have a linear relationship. In this paper, we present a Recurrent-Neural-Network PUF (RNN-PUF) which uses a combination of feedback and XOR function to significantly improve resistance to ML attack, without significant reduction in the reliability. ML attack is also partly reduced by using a shared comparator with offset-cancellation to remove bias and save power. From simulation results, we obtain ML attack accuracy of 62 represents a 33.5 estimated to be 12.3uW with energy/bit of   0.16pJ.