Welcome to the resource topic for 2004/134
Title:
Secure and Efficient Masking of AES - A Mission Impossible?
Authors: Elisabeth Oswald, Stefan Mangard, Norbert Pramstaller
Abstract:This document discusses masking approaches with a special focus on the AES S-box. Firstly, we discuss previously presented masking schemes with respect to their security and implementation. We conclude that algorithmic countermeasures to secure the AES algorithm
against side-channel attacks have not been resistant against all
first-order side-channel attacks.
Secondly, we introduce a new masking countermeasure which is not only secure against first-order side-channel attacks, but which also leads to relatively small implementations compared to other masking schemes when implemented in dedicated hardware.
ePrint: https://eprint.iacr.org/2004/134
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