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White-box filtering attacks breaking SEL masking: from exponential to polynomial time
May 6, 2024, 12:12 p.m. |
IACR News www.iacr.org
ePrint Report: White-box filtering attacks breaking SEL masking: from exponential to polynomial time
Alex Charlès, Aleksei Udovenko
This work proposes a new white-box attack technique called filtering, which can be combined with any other trace-based attack method. The idea is to filter the traces based on the value of an intermediate variable in the implementation, aiming to fix a share of a sensitive value and degrade the security of an involved masking scheme.
Coupled with LDA (filtered LDA, FLDA), it …
alex attack attacks box breaking called can eprint report filter idea masking report trace traces value work
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