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IEICE TRANSACTIONS on Fundamentals

Power Analysis of Floating-Point Operations for Leakage Resistance Evaluation of Neural Network Model Parameters

Hanae NOZAKI, Kazukuni KOBARA

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Summary :

In the field of machine learning security, as one of the attack surfaces especially for edge devices, the application of side-channel analysis such as correlation power/electromagnetic analysis (CPA/CEMA) is expanding. Aiming to evaluate the leakage resistance of neural network (NN) model parameters, i.e. weights and biases, we conducted a feasibility study of CPA/CEMA on floating-point (FP) operations, which are the basic operations of NNs. This paper proposes approaches to recover weights and biases using CPA/CEMA on multiplication and addition operations, respectively. It is essential to take into account the characteristics of the IEEE 754 representation in order to realize the recovery with high precision and efficiency. We show that CPA/CEMA on FP operations requires different approaches than traditional CPA/CEMA on cryptographic implementations such as the AES.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E107-A No.3 pp.331-343
Publication Date
2024/03/01
Publicized
2023/09/25
Online ISSN
1745-1337
DOI
10.1587/transfun.2023CIP0012
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category

Authors

Hanae NOZAKI
  National Institute of Advanced Industrial Science and Technology (AIST)
Kazukuni KOBARA
  National Institute of Advanced Industrial Science and Technology (AIST)

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