Abstract
A truly random number generator based on an autonomous bipolar-transistor cross-coupled chaotic oscillator is introduced. The effect of noise on the chaotic trajectory is analyzed. Inclusion of noise renders generated bits 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 circuit are given such that generated bits fulfill NIST-800-22 statistical test suite without post-processing. Presented circuit features much higher and constant throughput rates and allows for offset compensation.
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