Testing timeseries ring-coupled map generated by on FPGA

O. V. Krulikovskyi, S. D. Haliuk, L. F. Politanskyi


In this paper we investigate four-dimensional chaotic ring-coupled map using FPGA. For implementation on FPGA was used Q4.28 fixed point arithmetic. Through analysis of balance bits defined which range of bits, that can use for creation pseudorandom sequences. Proposed and implemented method of generating pseudorandom sequences based on shift registers and XOR. The obtained sequences passed NIST statistical tests.

Keywords: ring-coupled map, FPGA, PRNG, chaotic ciphers, NIST, pseudorandom sequence

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