Clustering Effect in Simon and Simeck
IACR Cryptol. ePrint Arch.（2021）
Abstract
Simon and Simeck are two lightweight block ciphers with a simple round function using only word rotations and a bit-wise AND operation. Previous work has shown a strong clustering effect for differential and linear cryptanalysis, due to the existence of many trails with the same inputs and outputs.
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Key words
Lightweight cipher,Simon,Simeck,Differential cryptanalysis,Linear cryptanalysis,Clustering effect
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