Institute for Systems Research

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    A Scalable Extension of Group Key Management Protocol
    (1998) Poovendran, R.; Ahmed, Sarah N.; Corson, M. Scott; Baras, John S.; ISR; CSHCN
    This paper presents a robust, scalable extension to the recently proposed multicast Group Key Management Protocol (GKMP) ([1], [2]), in terms of security administration. The GKMP has two major security related problems: (a) lack of any mechanism to remove a compromised group administrator, and (b) lack of scalability. We are able to remove a compromised single panel member from generating the group keys by setting the panel members with shared authority to generate the group keys. We then introduce the sub-controllers who have all the functionalities of the group control panel except the authority to generate the group keys. The sub-control panel helps scalability of the network in terms of the security operations. The sub-controllers are chosen using a threshold-based clustering algorithm.

    This paper was presented at the "ATIRP ARL Federated Laboratory 2nd Annual Conference," Feb. 5-6, 1998, University of Maryland, College Park Campus.