Searchable encryption with randomized ciphertext and randomized keyword search

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 recogni...

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Vydáno v:Journal of mathematical cryptology Ročník 18; číslo 1; s. 506 - 22
Hlavní autoři: Calderini, Marco, Longo, Riccardo, Sala, Massimiliano, Villa, Irene
Médium: Journal Article
Jazyk:angličtina
Vydáno: Berlin De Gruyter 01.01.2024
Walter de Gruyter GmbH
Témata:
14H52 Elliptic curves
68W40 analysis of algorithms
94A60 Cryptography
94A62
authentication and secret sharing
bilinear pairings
cloud cryptography
Encryption
PAEKS scheme
searchable encryption
Searching
ISSN:1862-2984, 1862-2976, 1862-2984
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Shrnutí: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 . Our scheme is secure in the single-user setting and secure in the multi-user setting with a stronger security, i.e., with
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:1862-2984
1862-2976
1862-2984
DOI:10.1515/jmc-2023-0029