Abstract
A True Random Binary Generator (TRBG) based on a zero crossing digital phase-locked loop (ZCDPLL) is proposed. In order to face the challenges of using the proposed TRBG in cryptography, the proposed TRBG is subjected to the AIS 31 test suite. The ZCDPLL operate as chaotic generator for certain loop filter gains and this has been used to generate TRBs. The generated binary sequences have a good autocorrelation and cross-correlation properties as seen from the simulation results. A prototype of TRBG using ZCDPLL has been developed through Texas Instruments TMS320C6416 DSP development kit. The proposed TRBG successfully passed the AIS 31 test suit.
Highlights
Random and pseudo-random numbers are used in many areas including test data generation, Monte-Carlo simulation techniques, generation of spreading sequences for spread spectrum communications, and cryptography [1]
The aim of this paper is to show how to use a second order zero crossing digital phase locked loop (ZCDPLL) operating in a chaotic mode as True Random Binary Generator (TRBG)
The chaotic phase error produced by the zero crossing digital phase-locked loop (ZCDPLL) has been used to generate TRB
Summary
Random and pseudo-random numbers are used in many areas including test data generation, Monte-Carlo simulation techniques, generation of spreading sequences for spread spectrum communications, and cryptography [1]. Pseudo-random spreading sequences used in spread spectrum communications must be repeatable, while for most simulations using random numbers this is not necessary. The nonlinear phenomenon of chaos poses a promising alternative for pseudo-random number generation due to its unpredictable behaviour. The aim of this paper is to show how to use a second order zero crossing digital phase locked loop (ZCDPLL) operating in a chaotic mode as True Random Binary Generator (TRBG). The most commonly used DPLL is the Zero Crossing Digital Phase Locked Loop (ZCDPLL).
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