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Published in 2023 at "Symmetry"
DOI: 10.3390/sym15040833
Abstract: In this paper, we propose a new method for drawing a cryptographically strong substitution box using the Lorenz system and quantum genetic algorithm techniques. We used the chaotic function to generate an initial random sequence…
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Keywords:
symmetric cryptosystems;
substitution box;
test;
box ... See more keywords
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Published in 2021 at "PeerJ Computer Science"
DOI: 10.7717/peerj-cs.587
Abstract: The biggest challenge for symmetric cryptosystems is to replace their static substitution with dynamic substitution, because static substitution S-boxes make the symmetric block ciphers more vulnerable to attacks. Previous well-known dynamic key-dependent S-boxes are lacking…
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Keywords:
substitution method;
method;
dynamic substitution;
substitution ... See more keywords