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dc.contributor.authorSoler, David
dc.contributor.authorDafonte, Carlos
dc.contributor.authorFernández Veiga, Manuel
dc.contributor.authorFernández Vilas, Ana
dc.contributor.authorNóvoa, Francisco
dc.date.accessioned2024-04-11T09:19:50Z
dc.date.available2024-04-11T09:19:50Z
dc.date.issued2024-04
dc.identifier.citationD. Soler, C. Dafonte, M. Fernández-Veiga, A. F. Vilas, y F. J. Nóvoa, «A privacy-preserving key transmission protocol to distribute QRNG keys using zk-SNARKs», Computer Networks, vol. 242, p. 110259, abr. 2024, doi: 10.1016/j.comnet.2024.110259.es_ES
dc.identifier.issn1872-7069
dc.identifier.issn1389-1286
dc.identifier.urihttp://hdl.handle.net/2183/36138
dc.description.abstract[Absctract]: High-entropy random numbers are an essential part of cryptography, and Quantum Random Number Generators (QRNG) are an emergent technology that can provide high-quality keys for cryptographic algorithms but unfortunately are currently difficult to access. Existing Entropy-as-a-Service solutions require users to trust the central authority distributing the key material, which is not desirable in a high-privacy environment. In this paper, we present a novel key transmission protocol that allows users to obtain cryptographic material generated by a QRNG in such a way that the server is unable to identify which user is receiving each key. This is achieved with the inclusion of Zero Knowledge Succinct Non-interactive Arguments of Knowledge (zk-SNARK), a cryptographic primitive that allow users to prove knowledge of some value without needing to reveal it. The security analysis of the protocol proves that it satisfies the properties of Anonymity, Unforgeability and Confidentiality, as defined in this document. We also provide an implementation of the protocol demonstrating its functionality and performance, using NFC as the transmission channel for the QRNG keyes_ES
dc.description.sponsorshipThe work is funded by the Plan Complementario de Comunicaciones Cuánticas, Spanish Ministry of Science and Innovation(MICINN), Plan de Recuperación NextGeneration, European Union (PRTR-C17.I1, CITIC Ref. [305].2022), and Regional Government of Galicia (Agencia Gallega de Innovación, GAIN, CITIC Ref. [306].2022) D.S. acknowledges support from Xunta de Galicia and the European Union (European Social Fund - ESF) scholarship [ED481A-2023-219]. This work is part of the project TED2021-130369B-C31 and TED2021-130492B-C21 funded by MCIN/AEI/ 10.13039/501100011033 and by “ERDF A way of making Europe”. This work has been developed thanks to the access granted by the Centro de Supercomputación de Galicia to the infrastructure based in quantum technologies. This infrastructure was financed by the European Union, through the FONDO EUROPEO DE DESENVOLVEMENTO REXIONAL (FEDER) , as part of the Union’s response to the COVID-19 pandemic.es_ES
dc.description.sponsorshipXunta de Galicia; ED481A-2023-219es_ES
dc.language.isoenges_ES
dc.publisherElsevier B.V.es_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/TED2021-130369B-C31/ES/QUANTUM-BASED RESISTANT ARCHITECTURES AND TECHNIQUES. QKD BASED ON SDNes_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/TED2021-130492B-C21/ES/DESARROLLO DE UNA TECNOLOGÍA DE IA PARA LA AUTENTICACIÓN DE USUARIOS BASADA EN EL COMPORTAMIENTOes_ES
dc.relation.urihttps://doi.org/10.1016/j.comnet.2024.110259es_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Españaes_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectQRNGes_ES
dc.subjectKey transmissiones_ES
dc.subjectZk-SNARKes_ES
dc.subjectCommunication protocoles_ES
dc.subjectPrivacy-preserving authenticationes_ES
dc.subjectNFCes_ES
dc.titleA privacy-preserving key transmission protocol to distribute QRNG keys using zk-SNARKses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessinfo:eu-repo/semantics/openAccesses_ES
UDC.journalTitleComputer Networkses_ES
UDC.volume242es_ES
UDC.startPage110259es_ES


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