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arXiv · 2603.19656

Cellular Automata based Resource Efficient Maximally Equidistributed Pseudo-Random Number Generators

Bhuvaneswari A·Kamalika Bhattacharjee
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Abstract

An equidistribution is a theoretical quality criteria that measures the uniformity of a linear pseudo-random number generator (PRNG). In this work, we first show that all existing linear cellular automaton (CA) based pseudo-random number generators (PRNGs) are weak in the equidistribution characteristic. Then we propose a list of light-weight combined CA-based PRNGs with time spacing ($2 \leq s \leq 10$) using linear maximal length cellular automata of degree $31 \leq k \leq 128$ (close to computer word size). We show that these PRNGs achieve maximal period as well as satisfy the maximal equidistribution property. Finally, we show that these combined maximal length CA-based PRNGs pass almost all the empirical testbeds, with speed and performance comparable to the Mersenne Twister.

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Bhuvaneswari A, Kamalika Bhattacharjee. 2026-03-20. Cellular Automata based Resource Efficient Maximally Equidistributed Pseudo-Random Number Generators. https://arxiv.org/abs/2603.19656

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