Two closely related insecure noninteractive group key establishment schemes
Cryptography and Security
2021-03-09 v2
Abstract
Serious weaknesses in two very closely related group authentication and group key establishment schemes are described. Simple attacks against the group key establishment part of the schemes are described, which strongly suggest that the schemes should not be used.
Keywords
Cite
@article{arxiv.2009.09278,
title = {Two closely related insecure noninteractive group key establishment schemes},
author = {Chris J Mitchell},
journal= {arXiv preprint arXiv:2009.09278},
year = {2021}
}
Comments
Paper updated to describe an attack on a closely related scheme