On the convergence to regime of ADC-based true random number generators

Riccardo Rovatti, Sergio Callegari, Gianluca Setti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


Reconfigurable circuits alternatively acting as Random Number Generators (RNGs) or Analog to Digital Converters (ADCs) represent a promising approach to true random bit generation since they can provide high quality random values almost for free whenever a system already embeds an ADC. In their usage, one needs to consider that entering the RNG-mode requires some minor interruption of operation, since the internal chaos-based random source gets initialised at the last ADC input. Hence, the first generated values maintain some dependence on a potentially known value and a few dead beats are needed by the chaotic system to reach a regime where this correlation vanishes. This delay has so far been quantified only empirically. Here, a formal bound is provided, with relation to the required performance level and the system noise floor. © 2007 IEEE.
Original languageEnglish (US)
Title of host publicationEuropean Conference on Circuit Theory and Design 2007, ECCTD 2007
PublisherIEEE Computer Societyhelp@computer.org
Number of pages4
ISBN (Print)1424413427
StatePublished - Jan 1 2007
Externally publishedYes


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