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  • The Inria's Research Teams produce an annual Activity Report presenting their activities and their results of the year. These reports include the team members, the scientific program, the software developed by the team and the new results of the year. The report also describes the grants, contracts and the activities of dissemination and teaching. Finally, the report gives the list of publications of the year.

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Section: New Results

Vectorizing Higher-Order Masking

Participants : Benjamin Grégoire, Kostas Papagiannopoulos [Radboud University] , Peter Schwabe [Radboud University] , Ko Stoffelen [Radboud University] .

The cost of higher-order masking as a countermeasure against side-channel attacks is often considered too high for practical scenarios, as protected implementations become very slow. At Eurocrypt 2017, we have proposed the bounded moment leakage model to study the (theoretical) security of parallel implementations of masking schemes. In this work we show how the NEON vector instructions of larger ARM Cortex-A processors can be exploited to build much faster masked implementations of AES based on the bounded moment model. This work is described in publication [18].