Cryptanalysis of the SNOVA signature scheme

Peigen Li; Jintai Ding

Paper 2024/110 Original: eprint.iacr.org/2024/110 ↗

Cryptanalysis of the SNOVA signature scheme

Peigen Li

Jintai Ding

Abstract

SNOVA is a variant of a UOV-type signature scheme over a noncommutative ring. In this article, we demonstrate that certain parameters provided by authors in SNOVA fail to meet the NIST security level, and the complexities are lower than those claimed by SNOVA.

Metadata

Available format(s): PDF
Category: Attacks and cryptanalysis
Publication info: Preprint.
History: 2024-07-24: last updated; 2024-01-25: published
Short URL: https://ia.cr/2024/110
License: https://creativecommons.org/licenses/by-nc-sa/4.0/

BibTeX

@misc{cryptoeprint:2024/110,
      author = {Peigen Li and Jintai Ding},
      title = {Cryptanalysis of the SNOVA signature scheme},
      howpublished = {Cryptology {ePrint} Archive, Paper 2024/110},
      year = {2024},
      url = {https://eprint.iacr.org/2024/110}
}