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Paper 2021/1114

Remarks on MOBS and cryptosystems using semidirect products

Chris Monico

Abstract

Recently, several cryptosystems have been proposed based semidirect products of various algebraic structures. Efficient attacks against several of them have already been given, including one very general attack which, unfortunately, does not apply to the MOBS system. The purpose of this note is to provide an observation that can be used as a point-of-attack for similar systems, and show how it can be used to efficiently cryptanalyze the MOBS system.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Pending on arXiv.org
Keywords
cryptanalysis
Contact author(s)
c monico @ ttu edu
History
2021-09-03: received
Short URL
https://ia.cr/2021/1114
License
Creative Commons Attribution
CC BY
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