Formal Analysis of the Entropy / Security Trade-off in First-Order Masking Countermeasures against Side-Channel Attacks

@inproceedings{Nassar2011FormalAO,
  title={Formal Analysis of the Entropy / Security Trade-off in First-Order Masking Countermeasures against Side-Channel Attacks},
  author={Maxime Nassar and Sylvain Guilley and Jean-Luc Danger},
  booktitle={IACR Cryptology ePrint Archive},
  year={2011}
}
Several types of countermeasures against side-channel attacks are known. The one called masking is of great interest since it can be applied to any protocol and/or algorithm, without nonetheless requiring special care at the implementation level. Masking countermeasures are usually studied with the maximal possible entropy for the masks. However, in practice, this requirement can be viewed as too costly. It is thus relevant to study how the security evolves when the number of mask values… CONTINUE READING
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