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A fully integrated chaotic system for the generation of truly random numbers

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3 Author(s)
Gerosa, A. ; Dipt. di Elettronica e Inf., Padova Univ., Italy ; Bernardini, R. ; Pietri, S.

This work proposes a random numbers generator for application in the field of secure communications. In order to get truly unpredictable sequences a chaotic system is used. Indeed, due to their extreme sensitivity to initial conditions, chaotic systems lend themselves to be exploited for generation of random numbers. This work explores this possibility: particularly an efficient architecture, based on a pipeline analog-to-digital converter, has been singled out, in order to realize a simple circuit arrangement of the number generator. According to simulation results, the circuit provides sequences of 8-b numbers that are uniformly distributed and statistically independent, at a rate of 20 Ms/s. The circuit is realized in 0.8-μm CMOS technology, and dissipates 50 mW

Published in:

Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on  (Volume:49 ,  Issue: 7 )

Date of Publication:

Jul 2002

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