In this paper we propose a new protocol to manage multicast key distribution. The protocol is based on the use of orthogonal systems in vector spaces. The main advantage in comparison to other existing multicast key management protocols is that the length and the number of the messages which have to be sent are considerably smaller. This makes the protocol especially attractive when the number of legitimate receivers is large.
@article{arxiv.1107.0586,
title = {Managing key multicasting through orthogonal systems},
author = {Jose' Antonio Alvarez-Bermejo and Juan Antonio Lopez-Ramos and Joachim Rosenthal and Davide Schipani},
journal= {arXiv preprint arXiv:1107.0586},
year = {2015}
}