Patent ID: 9049024
Filing Date: 2015-06-02
Classification: H04L

Abstract:
1. A method of managing a conference between two or more communication devices in a communication system, the method comprising: sending from a conference management element to each of the communication devices a set comprising random key components of the communication devices, each random key component having been received by the conference management element from a respective one of the communication devices during a key authentication operation; receiving at the conference management element from each of the communication devices a random group key component, each random group key component having been computed by a corresponding respective one of the communication devices via a computation based on sending from the conference management element to each of the communication devices a set comprising the random group key component of another communication device; and receiving an encrypted message from a first of the communication devices directed to a second of the communication devices, wherein the encrypted message is encrypted based on the random group key components computed by said another communication device.