A Multiparty Commutative Hashing Protocol based on the Discrete Logarithm Problem

Daniel Zentai, Mihail Plesa, Robin Frot

Let $\mathcal{X}$ and $\mathcal{Y}$ be two sets and suppose that a set of participants $P=\{P_1,P_2,\dots ,P_n\}$ would like to calculate the keyed hash value of some message $m\in\…