DEVELOPMENT AND RESEARCH OF CRYPTOGRAPHIC HASH FUNCTIONS BASED ON TWO-DIMENSIONAL CELLULAR AUTOMATA
Yuliya Tanasyuk
y.tanasyuk@chnu.edu.uaYuriy Fedkovych Chernivtsi National University, Department of Computer Systems and Networks (Ukraine)
Sergey Ostapov
Yuriy Fedkovych Chernivtsi National University, Computer Systems Software Department (Ukraine)
Abstract
Software solution for cryptographic hash functions based on sponge construction with inner state implemented as two-dimensional cellular automata (CA) has been developed. To perform pseudorandom permutation in round transformation function several combinations of CA rules 30, 54, 86, 150 and 158 have been proposed. The developed hashing mechanism provides effective parallel processing, ensures good statistical and scattering properties, enables one to obtain hash of a varying length and reveals strong avalanche effect.
Keywords:
cryptographic hash functions, cellular automata, cryptographic sponge, pseudo-random permutationsReferences
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Authors
Yuliya Tanasyuky.tanasyuk@chnu.edu.ua
Yuriy Fedkovych Chernivtsi National University, Department of Computer Systems and Networks Ukraine
Authors
Sergey OstapovYuriy Fedkovych Chernivtsi National University, Computer Systems Software Department Ukraine
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