July 23, 2022, 8:06 p.m. |

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ePrint Report: Searchable Encryption with randomized ciphertext and randomized keyword search

Marco Calderini, Riccardo Longo, Massimiliano Sala, Irene Villa


The notion of public key encryption with keyword search (PEKS) was introduced to efficiently search over encrypted data. In this paper, 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 CI-secure in the single-user setting and TI-secure in the …

ciphertext encryption eprint report search searchable

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