Repositori institucional URV
| Autor/s de la URV: | Farràs Ventura, Oriol / Ribes Gonzalez, Jordi |
| Autor segons l'article: | Farràs O; Ribes-González J |
| Adreça de correu electrònic de l'autor: | jordi.ribes@urv.cat oriol.farras@urv.cat |
| Identificador de l'autor: | 0000-0001-6329-7380 0000-0002-7495-5980 |
| Any de publicació de la revista: | 2019 |
| Tipus de publicació: | Journal Publications |
| ISSN: | 16155262 |
| Referència de l'ítem segons les normes APA: | Farràs O; Ribes-González J (2019). Provably secure public-key encryption with conjunctive and subset keyword search. International Journal Of Information Security, 18(5), 533-548. DOI: 10.1007/s10207-018-00426-7 |
| Referència a l'article segons font original: | International Journal Of Information Security. 18 (5): 533-548 |
| Resum: | © 2019, Springer-Verlag GmbH Germany, part of Springer Nature. Public-key encryption with keyword search (PEKS) schemes enable public key holders to encrypt documents, while the secret key holder is able to generate queries for the encrypted data. In this paper, we present two PEKS schemes with extended functionalities. The first proposed scheme supports conjunctive queries. That is, it enables searching for encrypted documents containing a chosen list of keywords. We prove the computational consistency of our scheme, and we prove security under the asymmetric DBDH assumption. We show that it improves previous related schemes in terms of efficiency and in terms of index and trapdoor size. The second proposed scheme supports subset queries and some more general predicates. We prove the computational consistency of our scheme, and we prove our scheme secure under the p-BDHI assumption. We show that it improves previous related schemes in terms of efficiency and expressiveness. Moreover, unlike previous related schemes, it admits an arbitrary keyword space. |
| DOI de l'article: | 10.1007/s10207-018-00426-7 |
| Enllaç font original: | https://link.springer.com/article/10.1007/s10207-018-00426-7 |
| Versió de l'article dipositat: | info:eu-repo/semantics/acceptedVersion |
| Accès a la llicència d'ús: | https://creativecommons.org/licenses/by/3.0/es/ |
| Departament: | Enginyeria Informàtica i Matemàtiques |
| URL Document de llicència: | https://repositori.urv.cat/ca/proteccio-de-dades/ |
| Àrees temàtiques: | Software Safety, risk, reliability and quality Matemática / probabilidade e estatística Information systems Engenharias iv Computer science, theory & methods Computer science, software engineering Computer science, information systems Computer networks and communications Ciência da computação |
| Paraules clau: | Subset keyword search Searchable encryption Public-key encryption with keyword search Identity-based encryption Conjunctive keyword search Attacks |
| Entitat: | Universitat Rovira i Virgili |
| Data d'alta del registre: | 2023-02-22 |
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