Multicast Security is one of the important problems to solve for the successful deployment of group communication applications, and source authentication of multicast data is a key...
This paper proposes a scheme to provide security to dynamic multicast VoIP systems efficiently. Security is usually provided by encrypting the media packets sent from a user to ot...
R. Srinivasan, V. Vaidehi, R. Rajaraman, S. Kanaga...
— Both broadcast encryption (BE) protocols and multicast key distribution (MKD) protocols try to solve the same problem of private group communication. For the first time, we dis...
We consider a system where each user is in one or more elementary groups. In this system, arbitrary groups of users can be specified using the operations of union, intersection, a...
We focus on the problem of distributing key updates in secure dynamic groups. Due to changes in group membership, the group controller needs to change and distribute the keys used...