Keita Emura
, Kanazawa University, National Institute of Advanced Industrial Science and Technology
Cheng and Meng (IEEE Transactions on Information Forensics and Security 2024) introduced server-aided public key authenticated encryption with keyword search (SA-PAEKS). In this short note, we give general attacks that the cloud server (tester) can obtain keyword information from both a ciphertext and a trapdoor.
BibTeX
@misc{cryptoeprint:2026/1015,
author = {Takeshi Yoshida and Keita Emura},
title = {Comments on "Server-Aided Public Key Authenticated Searchable Encryption With Constant Ciphertext and Constant Trapdoor"},
howpublished = {Cryptology {ePrint} Archive, Paper 2026/1015},
year = {2026},
url = {https://eprint.iacr.org/2026/1015}
}
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