Cryptanalysis of three matrix-based key establishment protocols

摘要

We cryptanalyse a matrix-based key transport protocol due to Baumslag, Camps,Fine, Rosenberger and Xu from 2006. We also cryptanalyse two recently proposedmatrix-based key agreement protocols, due to Habeeb, Kahrobaei and Shpilrain,and due to Romanczuk and Ustimenko.