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Fast Correlation Attacks over Extension Fields, Large-unit Linear Approximation and Cryptanalysis of SNOW 2.0
Stream ciphers Cryptanalysis Large-unit
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2016/3/23
Several improvements of fast correlation attacks have been proposed during the past two decades, with a regrettable lack of a better generalization and adaptation to the concrete involved primitives, ...
Results from a Search for the Best Linear Approximation of a Block Cipher
Best Linear Approximation Block Cipher Substitution-Permutation Network
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2009/6/3
In this paper, we investigate the application of an algorithm to find the best
linear approximation of a basic Substitution-Permutation Network block cipher. The
results imply that, while it is well...