Paper 2022/429 Original: eprint.iacr.org/2022/429 ↗
Resurrecting Xifrat - Compact Cryptosystems 2nd Attempt
Abstract
Xifrat was a group-theoretic public-key cryptosystem based on a quasigroup with the special property of "restricted-commutativity". It was broken within half a month of its publication, due to a mistake made in the "mixing" function. In this paper, we revisit the design decisions made, proposing new constructions, and attempt (again) to build secure digital signature schemes and key encapsulation mechanisms. If the schemes can be proven secure, then this will be the most compact and the most efficient post-quantum cryptosystem ever proposed to date.
Metadata
- Available format(s)
PDF- Category
- Public-key cryptography
- Publication info
- Preprint.
- History
- 2022-09-15: last updated
- 2022-04-06: published
- Short URL
- https://ia.cr/2022/429
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2022/429,
author = {Jianfang "Danny" Niu},
title = {Resurrecting Xifrat - Compact Cryptosystems 2nd Attempt},
howpublished = {Cryptology {ePrint} Archive, Paper 2022/429},
year = {2022},
url = {https://eprint.iacr.org/2022/429}
}