Paper 2026/2272 Original: eprint.iacr.org/2026/2272 ↗
Attacking UOV-based Signatures over divided power algebras
Abstract
Merz and Ran derive additional equations from divided powers of the public polar forms in characteristic two. We extend this construction to finite fields of arbitrary characteristic and apply it to the security analysis of QR-UOV.
Metadata
- Available format(s)
PDF- Category
- Public-key cryptography
- Publication info
- Preprint.
- History
- 2026-09-30: last updated
- 2026-09-30: published
- Short URL
- https://ia.cr/2026/2272
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2026/2272,
author = {Peigen Li and Siyong Tao},
title = {Attacking UOV-based Signatures over divided power algebras},
howpublished = {Cryptology {ePrint} Archive, Paper 2026/2272},
year = {2026},
url = {https://eprint.iacr.org/2026/2272}
}