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Hybrid low-voltage physical unclonable function based on inkjet-printed metal-oxide transistors

  • Modern society is striving for digital connectivity that demands information security. As an emerging technology, printed electronics is a key enabler for novel device types with free form factors, customizability, and the potential for large-area fabrication while being seamlessly integrated into our everyday environment. At present, information security is mainly based on software algorithmsModern society is striving for digital connectivity that demands information security. As an emerging technology, printed electronics is a key enabler for novel device types with free form factors, customizability, and the potential for large-area fabrication while being seamlessly integrated into our everyday environment. At present, information security is mainly based on software algorithms that use pseudo random numbers. In this regard, hardware-intrinsic security primitives, such as physical unclonable functions, are very promising to provide inherent security features comparable to biometrical data. Device-specific, random intrinsic variations are exploited to generate unique secure identifiers. Here, we introduce a hybrid physical unclonable function, combining silicon and printed electronics technologies, based on metal oxide thin film devices. Our system exploits the inherent randomness of printed materials due to surface roughness, film morphology and the resulting electrical characteristics. The security primitive provides high intrinsic variation, is non-volatile, scalable and exhibits nearly ideal uniqueness.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/4336
Bibliografische Angaben
Title (English):Hybrid low-voltage physical unclonable function based on inkjet-printed metal-oxide transistors
Author:Alexander ScholzStaff MemberORCiD, Lukas ZimmermannStaff MemberORCiDGND, Ulrich Gengenbach, Liane Koker, Zehua Chen, Horst Hahn, Axel SikoraStaff MemberORCiDGND, Mehdi Baradaran Tahoori, Jasmin Aghassi-HagmannStaff MemberORCiDGND
Year of Publication:2020
Publisher:Springer Nature
Page Number:11
First Page:1
Last Page:11
Article Number:5543
Parent Title (English):Nature Communications
Volume:11
ISSN:2041-1723
DOI:https://doi.org/10.1038/s41467-020-19324-5
URN:https://urn:nbn:de:bsz:ofb1-opus4-43361
Language:English
Inhaltliche Informationen
Institutes:Forschung / ivESK - Institut für verlässliche Embedded Systems und Kommunikationselektronik
Fakultät Elektrotechnik, Medizintechnik und Informatik (EMI) (ab 04/2019)
Institutes:Bibliografie
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International