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A privacy-preserving key transmission protocol to distribute QRNG keys using zk-SNARKs
dc.contributor.author | Soler, David | |
dc.contributor.author | Dafonte, Carlos | |
dc.contributor.author | Fernández Veiga, Manuel | |
dc.contributor.author | Fernández Vilas, Ana | |
dc.contributor.author | Nóvoa, Francisco | |
dc.date.accessioned | 2024-04-11T09:19:50Z | |
dc.date.available | 2024-04-11T09:19:50Z | |
dc.date.issued | 2024-04 | |
dc.identifier.citation | D. 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.issn | 1872-7069 | |
dc.identifier.issn | 1389-1286 | |
dc.identifier.uri | http://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 key | es_ES |
dc.description.sponsorship | The 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.sponsorship | Xunta de Galicia; ED481A-2023-219 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier B.V. | es_ES |
dc.relation | info: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 SDN | es_ES |
dc.relation | info: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 COMPORTAMIENTO | es_ES |
dc.relation.uri | https://doi.org/10.1016/j.comnet.2024.110259 | es_ES |
dc.rights | Atribución-NoComercial-SinDerivadas 3.0 España | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
dc.subject | QRNG | es_ES |
dc.subject | Key transmission | es_ES |
dc.subject | Zk-SNARK | es_ES |
dc.subject | Communication protocol | es_ES |
dc.subject | Privacy-preserving authentication | es_ES |
dc.subject | NFC | es_ES |
dc.title | A privacy-preserving key transmission protocol to distribute QRNG keys using zk-SNARKs | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
UDC.journalTitle | Computer Networks | es_ES |
UDC.volume | 242 | es_ES |
UDC.startPage | 110259 | es_ES |
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