Authenticated group key agreement in groups such as ad-hoc scenarios

摘要

The invention provides a method, system, device and computer program product for setting up a secure session among three or more devices or parties of a communication group, including authenticating a key agreement between the devices or parties of the communication group, wherein the devices of the group start, preferably after a key is computed or agreed, a protocol, preferably a multi-party data integrity protocol, for authenticating the key agreement.