Abstract
A truly random number generator (TRNG) based on a cross-coupled chaotic oscillator is introduced which relies on generating non-invertible bit streams according to regional distributions of underlying chaotic signal. The effect of noise on the chaotic trajectory is analyzed, inclusion of which renders generated bit streams unpredictable, qualifying the proposed chaos based generator to be used as a truly random source. Simulation and experimental results verifying the feasibility and correct operation of the TRNG are given such that generated bit streams fulfill NIST-800-22 statistical test suite without further post-processing. Presented TRNG features much higher and constant throughput rates and allows for offset compensation.
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