Paper 2021/1494
On the efficiency of a general attack against the MOBS cryptosystem
Christopher Battarbee, Delaram Kahrobaei, Dylan Tailor, and Siamak F. Shahandashti
Abstract
All instances of the semidirect key exchange protocol, a generalisation of the famous Diffie-Hellman key exchange protocol, satisfy the so-called ``telescoping equality''; in some cases, this equality has been used to construct an attack. In this report we present computational evidence suggesting that an instance of the scheme called `MOBS (Matrices Over Bitstrings)' is an example of a scheme where the telescoping equality has too many solutions to be a practically viable means to conduct an attack.
Metadata
- Available format(s)
-
PDF
- Category
- Public-key cryptography
- Publication info
- Preprint.
- Keywords
- key-exchangesemidirect productBoolean matrices
- Contact author(s)
- cb2036 @ york ac uk
- History
- 2021-11-15: received
- Short URL
- https://ia.cr/2021/1494
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2021/1494,
author = {Christopher Battarbee and Delaram Kahrobaei and Dylan Tailor and Siamak F. Shahandashti},
title = {On the efficiency of a general attack against the MOBS cryptosystem},
howpublished = {Cryptology ePrint Archive, Paper 2021/1494},
year = {2021},
note = {\url{https://eprint.iacr.org/2021/1494}},
url = {https://eprint.iacr.org/2021/1494}
}
