Paper 2025/1914 Original: eprint.iacr.org/2025/1914 ↗
A Note on ``Designing Anonymous Signature-Based Identity Authentication Scheme for Ocean Multilevel Transmission''
Abstract
We show that the authentication scheme (IEEE Internet Things J., 24310-24322, 2024) cannot be practically implemented, because it misused the elliptic curve group law---point multiplication, which is represented as $kP$, where $k$ is an integer and $P$ is a point on an elliptic curve. But the scheme uses the false representation $Q_iQ_j$ to construct verification equations, where $Q_i$ and $Q_j$ are two points. Besides, we find that an adversary can retrieve the target relay device's secret key using the intercepted message via open channels.
Metadata
- Available format(s)
PDF- Category
- Attacks and cryptanalysis
- Publication info
- Preprint.
- History
- 2025-10-14: last updated
- 2025-10-14: published
- Short URL
- https://ia.cr/2025/1914
- License
- https://creativecommons.org/publicdomain/zero/1.0/
BibTeX
@misc{cryptoeprint:2025/1914,
author = {Zhengjun Cao and Lihua Liu},
title = {A Note on ``Designing Anonymous Signature-Based Identity Authentication Scheme for Ocean Multilevel Transmission''},
howpublished = {Cryptology {ePrint} Archive, Paper 2025/1914},
year = {2025},
url = {https://eprint.iacr.org/2025/1914}
}