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Message Authentication Schemes for Secure Multicasting

Multicast communication is becoming the basis for a growing number of applications. It is therefore critical to provide sound security mechanism for multicast communication. One such solution, secure multicast, is appealing because it leverages the efficiency of multicast data delivery. However, it also presents several research challenges. In this paper, we discuss a packet source authentication problem, i.e., authenticating the sender of a received packet, and review proposed