Autor segons l'article: Farràs O; Ribes-González J
Departament: Enginyeria Informàtica i Matemàtiques
Autor/s de la URV: Farràs Ventura, Oriol / Ribes Gonzalez, Jordi
Paraules clau: Subset keyword search Searchable encryption Public-key encryption with keyword search Identity-based encryption Conjunctive keyword search Attacks
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.
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
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 16155262
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
Data d'alta del registre: 2023-02-22
Versió de l'article dipositat: info:eu-repo/semantics/acceptedVersion
Enllaç font original: https://link.springer.com/article/10.1007/s10207-018-00426-7
Referència a l'article segons font original: International Journal Of Information Security. 18 (5): 533-548
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
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
DOI de l'article: 10.1007/s10207-018-00426-7
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2019
Tipus de publicació: Journal Publications