Fast Transmission to Remote Cooperative Groups: A New Key Management Paradigm

Provided by: Institute of Electrical & Electronic Engineers
Topic: Security
Format: PDF
The problem of efficiently and securely broadcasting to a remote cooperative group occurs in many newly emerging networks. A major challenge in devising such systems is to overcome the obstacles of the potentially limited communication from the group to the sender, the unavailability of a fully trusted key generation center and the dynamics of the sender. The existing key management paradigms cannot deal with these challenges effectively. In this paper, the authors circumvent these obstacles and close this gap by proposing a novel key management paradigm. The new paradigm is a hybrid of traditional broadcast encryption and group key agreement. In such a system, each member maintains a single public/secret key pair.

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