Searchable encryption with randomized ciphertext and randomized keyword search
Abstract: The notion of public-key encryption with keyword search (PEKS) was introduced to search over encrypted data without performing any decryption. In this article, we propose a PEKS scheme in which both the encrypted keyword and the trapdoor are randomized so that the cloud server is not able to recognize identical queries a priori. Our scheme is Ciphertext-Indistinguishabiltity secure in the single-user setting and Trapdoor-Indistinguishability secure in the multi-user setting with a stronger security, i.e., with multi-trapdoor.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Searchable encryption with randomized ciphertext and randomized keyword search ; volume:18 ; number:1 ; year:2024 ; extent:14
Journal of mathematical cryptology ; 18, Heft 1 (2024) (gesamt 14)
- Creator
- DOI
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10.1515/jmc-2023-0029
- URN
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urn:nbn:de:101:1-2024021515254551446032
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:36 AM CEST
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Associated
- Calderini, Marco
- Longo, Riccardo
- Sala, Massimiliano
- Villa, Irene
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