Paper 2023/814 Original: eprint.iacr.org/2023/814 ↗
A Note on ``Privacy-Preserving Multi-Keyword Searchable Encryption for Distributed Systems''
Abstract
We show that the searchable encryption scheme [IEEE Trans. Parallel Distrib. Syst., 32 (3), 2021, 561--574] cannot work because the Data Provider's secret key $sk_{DP}$ and the Request User's secret key $sk_{RU}$ are not available to the Cloud Platform (CP) or the Internal Server (IS). The CP and IS cannot finish the secure bit-decomposition protocol, which requires CP or IS to decrypt the blinded integer so as to securely handle the least significant bit of the target integer.
Metadata
- Available format(s)
PDF- Category
- Attacks and cryptanalysis
- Publication info
- Preprint.
- History
- 2023-06-02: last updated
- 2023-06-02: published
- Short URL
- https://ia.cr/2023/814
- License
- https://creativecommons.org/publicdomain/zero/1.0/
BibTeX
@misc{cryptoeprint:2023/814,
author = {Zhengjun Cao and Lihua Liu},
title = {A Note on ``Privacy-Preserving Multi-Keyword Searchable Encryption for Distributed Systems''},
howpublished = {Cryptology {ePrint} Archive, Paper 2023/814},
year = {2023},
url = {https://eprint.iacr.org/2023/814}
}