A reusable public transport electronic ticket system with fast validation

This paper presents an electronic ticket system for public transport which provides reusability in the sense that, after the validation of a ticket, a traveler is enabled to perform a journey which can include a limited number of transfers before an expiration time. The proposal has been designed fo...

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Detalles Bibliográficos
Autores: Borges Llorens, Ricard, Sebé Feixas, Francesc
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Universitat de Lleida (UdL)
Repositorio:Repositori Obert UdL
OAI Identifier:oai:repositori.udl.cat:10459.1/467503
Acceso en línea:https://doi.org/10.1007/s12469-024-00381-8
https://hdl.handle.net/10459.1/467503
Access Level:acceso abierto
Palabra clave:Cryptography
E-ticket
Privacy
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spelling A reusable public transport electronic ticket system with fast validationBorges Llorens, RicardSebé Feixas, FrancescCryptographyE-ticketPrivacyThis paper presents an electronic ticket system for public transport which provides reusability in the sense that, after the validation of a ticket, a traveler is enabled to perform a journey which can include a limited number of transfers before an expiration time. The proposal has been designed following a privacy-by-design approach. Travelers are only required to identify themselves if requested to prove possession of a valid ticket by an officer. Otherwise, they can travel without being required to disclose their identity (anonymity). Also, the diverse interactions of a traveler with the system cannot be related to them (unlinkability). The security and privacy requirements are achieved by making use of advanced cryptographic techniques. The system has been simulated and proven to provide running times which make it appropriate for a real deployment. When compared to an existing proposal designed for an equivalent scenario, the reduction in the time required for ticket validation is especially remarkable. In effect, all the use cases with real-time constraints (“Ticket validation”, “Get-in”, and “Get-out”) can be run in less than one second.Open Access funding provided thanks to the CRUE-CSIC agreement with Springer Nature. This paper is part of the R&D+i project PID2021-124613OB-I00 funded by MICIU/ AEI/10.13039/501100011033 and FEDER,EU.Springer2025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttps://doi.org/10.1007/s12469-024-00381-8https://hdl.handle.net/10459.1/467503reponame:Repositori Obert UdL instname:Universitat de Lleida (UdL)Inglésinfo:eu-repo/grantAgreement/AEI//PID2021-124613OB-I00Reproducció del document publicat a https://doi.org/10.1007/s12469-024-00381-8Public Transport, 2025, vol. 17, p. 929–953cc-by (c) Ricard Borges, Francesc Sebé, 2025Attribution 4.0 Internationalinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/oai:repositori.udl.cat:10459.1/4675032026-06-24T12:42:17Z
dc.title.none.fl_str_mv A reusable public transport electronic ticket system with fast validation
title A reusable public transport electronic ticket system with fast validation
spellingShingle A reusable public transport electronic ticket system with fast validation
Borges Llorens, Ricard
Cryptography
E-ticket
Privacy
title_short A reusable public transport electronic ticket system with fast validation
title_full A reusable public transport electronic ticket system with fast validation
title_fullStr A reusable public transport electronic ticket system with fast validation
title_full_unstemmed A reusable public transport electronic ticket system with fast validation
title_sort A reusable public transport electronic ticket system with fast validation
dc.creator.none.fl_str_mv Borges Llorens, Ricard
Sebé Feixas, Francesc
author Borges Llorens, Ricard
author_facet Borges Llorens, Ricard
Sebé Feixas, Francesc
author_role author
author2 Sebé Feixas, Francesc
author2_role author
dc.subject.none.fl_str_mv Cryptography
E-ticket
Privacy
topic Cryptography
E-ticket
Privacy
description This paper presents an electronic ticket system for public transport which provides reusability in the sense that, after the validation of a ticket, a traveler is enabled to perform a journey which can include a limited number of transfers before an expiration time. The proposal has been designed following a privacy-by-design approach. Travelers are only required to identify themselves if requested to prove possession of a valid ticket by an officer. Otherwise, they can travel without being required to disclose their identity (anonymity). Also, the diverse interactions of a traveler with the system cannot be related to them (unlinkability). The security and privacy requirements are achieved by making use of advanced cryptographic techniques. The system has been simulated and proven to provide running times which make it appropriate for a real deployment. When compared to an existing proposal designed for an equivalent scenario, the reduction in the time required for ticket validation is especially remarkable. In effect, all the use cases with real-time constraints (“Ticket validation”, “Get-in”, and “Get-out”) can be run in less than one second.
publishDate 2025
dc.date.none.fl_str_mv 2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://doi.org/10.1007/s12469-024-00381-8
https://hdl.handle.net/10459.1/467503
url https://doi.org/10.1007/s12469-024-00381-8
https://hdl.handle.net/10459.1/467503
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/AEI//PID2021-124613OB-I00
Reproducció del document publicat a https://doi.org/10.1007/s12469-024-00381-8
Public Transport, 2025, vol. 17, p. 929–953
dc.rights.none.fl_str_mv cc-by (c) Ricard Borges, Francesc Sebé, 2025
Attribution 4.0 International
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
rights_invalid_str_mv cc-by (c) Ricard Borges, Francesc Sebé, 2025
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Repositori Obert UdL
instname:Universitat de Lleida (UdL)
instname_str Universitat de Lleida (UdL)
reponame_str Repositori Obert UdL
collection Repositori Obert UdL
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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