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Design of a TRNG in 600-nm IGZO-TFT FlexlCs for secure IoT applications

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authorProfile.emailbiblioteca@isel.pt
datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
dc.contributor.authorCabacinho, João
dc.contributor.authorSousa, Diogo
dc.contributor.authorMarcelino, João
dc.contributor.authorFernandes, Marco
dc.contributor.authorBarquinha, Pedro
dc.contributor.authorGoes, João
dc.contributor.authorCasaleiro, João
dc.contributor.authorCasaleiro, João
dc.contributor.authorOliveira, Luís Bica
dc.date.accessioned2026-02-20T11:46:26Z
dc.date.available2026-02-20T11:46:26Z
dc.date.issued2025
dc.description.abstractAbstract As the demand for secure Internet of Things (IoT) devices increases, the need for hardware security solutions has become more critical, particularly in applications with strict power and area constraints. Thin-film transistors (TFTs) are an emerging technology, that enables the integration of complex circuits onto thin, flexible substrates offering both low-cost manufacturing and compatibility with large-area system implementations. This paper, presents, to the best of the authors' knowledge, the first true random number generator (TRNG) based on jittered oscillator sampling, implemented in 600 nm Indium-Gallium-Zinc-Oxide (IGZO) TFT flexible integrated circuits (FlexICs) technology. The proposed TRNG achieves a throughput of 1.33 Mbits/s, an energy consumption of 4.68 nJ/bit, and occupies an area of 0.920 mm(2). The TRNG showed promising results by passing 8 NIST (National Institute of Standards and Technology) randomness tests under nominal conditions. This opens new opportunities for embedding security primitives in flexible electronics, allowing for integration of hardware security in wearable electronics, biomedical devices, communication tags and other applications.eng
dc.identifier.citationCabacinho, J., Sousa, D., Marcelino, J., Fernandes, M., Barquinha, P., Goes, J., Casaleiro, J., & Oliveira, L. B. (2025). Design of a TRNG in 600-nm IGZO-TFT flexlCs for secure IoT applications. In 2025 IEEE International Symposium on Circuits and Systems, ISCAS, May 25-28, 2025, England (pp.1-5). IEEE. https://doi.org/10.1109/ISCAS56072.2025.11043564
dc.identifier.doi10.1109/ISCAS56072.2025.11043564
dc.identifier.issn0271-4302
dc.identifier.urihttp://hdl.handle.net/10400.21/22673
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE
dc.relation.hasversionhttps://www.webofscience.com/wos/woscc/full-record/WOS:001537918202051
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectTrue random number generator (TRNG)
dc.subjectFlexible integrated circuits (FlexlCs)
dc.subjectIGZO
dc.subjectHardware security
dc.subjectDynamic entropy
dc.subjectRing oscillator
dc.titleDesign of a TRNG in 600-nm IGZO-TFT FlexlCs for secure IoT applicationseng
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.endPage5
oaire.citation.startPage1
oaire.citation.title2025 IEEE International Symposium on Circuits and Systems, ISCAS
oaire.versionhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43
person.familyNameCasaleiro
person.givenNameJoão
person.identifier.ciencia-id101D-E2CA-5F74
person.identifier.orcid0000-0002-4722-0954
person.identifier.scopus-author-id35241828400
relation.isAuthorOfPublication15646b2c-e3fb-4cbf-8293-1770ba8420e3
relation.isAuthorOfPublication.latestForDiscovery15646b2c-e3fb-4cbf-8293-1770ba8420e3

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ISEL - Eng. Elect. Tel. Comp. - Comunicações