Comparing Approaches to Rank Estimation for Side-Channel Security Evaluations
(2015) 14th International Conference on Smart card Research and Advanced Applications (CARDIS 2015) — Location: Bochum (Germany) (4.November.2015)
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- Abstract
- Rank estimation is an important tool for side-channel evaluations laboratories. It allows determining the remaining security after an attack has been performed, quantied as the time complexity required to brute force the key given the leakages. Several solutions to rank estimation have been introduced in the recent years. In this paper, we rst clarify the connections between these solutions, by organizing them according to their (maximum likelihood or weak maximum likelihood) strategy and whether they take as argument a side-channel distinguishers' output or some evaluation metrics. This leads us to introduce new combinations of these approaches, and to discuss the use of weak maximum likelihood strategies for suboptimal but highly parallel enumeration. Next, we show that the dierent approaches to rank estimation can also be implemented with dierent mixes of very similar tools (e.g. histograms, convolutions, combinations and subsampling). Eventually, we provide various experiments allowing to discuss the pros and cons of these dierent approaches, hence consolidating the literature on this topic.
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Citations
Poussier, R., Grosso, V., & Standaert, F.-X. (2015). Comparing Approaches to Rank Estimation for Side-Channel Security Evaluations. In Naofumi Homma, Marcel Medwed (ed.), Proceedings of the 14th International Conference on Smart card Research and Advanced Applications (CARDIS 2015) (p. p. 125-142). Springer. https://doi.org/10.1007/978-3-319-31271-2_8