Key agreement protocols for distributed secure multicast over the ringE(m)p
Joan‐Josep Climent, Juan Antonio Lopez-Ramos, Pedro R. Navarro, Leandro Tortosa · WIT transactions on information and communication technologies · 2013
Protocols for authenticated key exchange allow parties within an insecure network to establish a common session key which can then be used to secure their future communication.In this paper we introduce a protocol for distributed key agreement over a noncommutative ring with a large number of noninvertible elements.This protocol uses polynomials with coefficients in the center of the ring.We also present the necessary steps for recalculating the shared secret key when a new user joins the system, or when a user leaves the system.