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Inkjet Printed True Random Number Generator based on Additive Resistor Tuning

  • Printed electronics (PE) is a fast growing technology with promising applications in wearables, smart sensors and smart cards since it provides mechanical flexibility, low-cost, on-demand and customizable fabrication. To secure the operation of these applications, True Random Number Generators (TRNGs) are required to generate unpredictable bits for cryptographic functions and padding. However,Printed electronics (PE) is a fast growing technology with promising applications in wearables, smart sensors and smart cards since it provides mechanical flexibility, low-cost, on-demand and customizable fabrication. To secure the operation of these applications, True Random Number Generators (TRNGs) are required to generate unpredictable bits for cryptographic functions and padding. However, since the additive fabrication process of PE circuits results in high intrinsic variation due to the random dispersion of the printed inks on the substrate, constructing a printed TRNG is challenging. In this paper, we exploit the additive customizable fabrication feature of inkjet printing to design a TRNG based on electrolyte-gated field effect transistors (EGFETs). The proposed memory-based TRNG circuit can operate at low voltages (≤ 1 V ), it is hence suitable for low-power applications. We also propose a flow which tunes the printed resistors of the TRNG circuit to mitigate the overall process variation of the TRNG so that the generated bits are mostly based on the random noise in the circuit, providing a true random behaviour. The results show that the overall process variation of the TRNGs is mitigated by 110 times, and the simulated TRNGs pass the National Institute of Standards and Technology Statistical Test Suite.show moreshow less

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Metadaten
Author:Ahmet Turan Erozan, Jasmin Aghassi-HagmannORCiDGND, Mehdi Baradaran Tahoori
Creating Corporation:IEEE
Year of Publication:2019
Pagenumber:6
ISBN:978-3-9819263-2-3 (Online)
ISBN:978-3-9819263-3-0 (USB)
ISBN:978-1-7281-0331-0 (Print on Demand)
Language:English
Parent Title (English):Proceedings of the Design Automation and Test in Europe Conference and Exhibition, 25-29 March 2019, Florence, Italy
ISSN:1558-1101 (Online)
ISSN:1530-1591 (Print on Demand)
First Page:1361
Last Page:1366
Document Type:Conference Proceeding
Institutes:Hochschule Offenburg / Bibliografie
Acces Right:Zugriffsbeschränkt
Release Date:2020/01/23
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.23919/DATE.2019.8715071