Overview
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Explore the challenges of class imbalance and conflicting metrics in machine learning for side-channel evaluation in this 21-minute conference talk presented at the Cryptographic Hardware and Embedded Systems Conference 2019. Delve into the importance of Hamming Weight (HW) and the impact of imbalanced data on machine learning models. Learn about various data sampling techniques, including random under sampling and random oversampling with replacement. Examine experimental results from two datasets and understand the implications of different evaluation metrics, particularly the relationship between Success Rate/Guessing Entropy (SR/GE) and accuracy. Gain valuable insights and takeaways for improving machine learning approaches in side-channel analysis.
Syllabus
Intro
Big Picture
Labels
Why do we use HW?
Why do we care about imbalanced data?
What to do?
Random under sampling
Random oversampling with replacement
Experiments
Dataset 1
Dataset 2
Data sampling techniques
Further results
Evaluation metrics
SR/GE vs acc
Take away
Taught by
TheIACR