Improved Differential-Linear Attacks with Applications to ARX Ciphers

Christof Beierle,Marek Broll,Federico Canale,Nicolas David,Antonio Flórez-Gutiérrez,Gregor Leander,María Naya-Plasencia,Yosuke Todo

CRYPTO (3)（2022）

引用 51|浏览9

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摘要

We present several improvements to the framework of differential-linear attacks with a special focus on ARX ciphers. As a demonstration of their impact, we apply them to Chaskey and ChaCha and we are able to significantly improve upon the best attacks published so far.

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关键词

Symmetric cryptanalysis, ARX, Chaskey, ChaCha

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