Continuous Group Key Agreement with Active SecurityContinuous Group Key Agreement • September 28th, 2020
Contract Type FiledSeptember 28th, 2020Abstract. A continuous group key agreement (CGKA) protocol allows a long-lived group of parties to agree on a continuous stream of fresh secret key material. CGKA protocols allow parties to join and leave mid-session but may neither rely on special group managers, trusted third parties, nor on any assumptions about if, when, or for how long members are online. CGKA captures the core of an emerging generation of highly practical end-to-end secure group messaging (SGM) protocols.