English

Subsets of groups in public-key cryptography

Group Theory 2023-11-28 v1 Cryptography and Security

Abstract

We suggest the usage of algebraic subsets instead of subgroups in public-key cryptography. In particular, we present the subset version of two protocols introduced by Shpilrain and Ushakov with some examples in ascending HNN-extensions of free-abelian groups and discuss their resistance to length and distance based attacks. We also introduce several new group theoretic problems arising from this work.

Cite

@article{arxiv.2311.15039,
  title  = {Subsets of groups in public-key cryptography},
  author = {André Carvalho and António Malheiro},
  journal= {arXiv preprint arXiv:2311.15039},
  year   = {2023}
}

Comments

14 pages, comments welcome!

R2 v1 2026-06-28T13:31:22.854Z