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Anonymity is an important feature in many two party communication systems. Its main meaning is that either the message sender or the receiver (or both) is unidentifiable to other users, even between themselves. Many mechanisms have been proposed to hide the identity of the sender, receiver, or both. Similarly, anonymity is an important feature in multiparty computing environments, but, little research has been conducted on this topic even though many secure group communication schemes have been proposed. In this paper, the authors highlight the concepts of anonymity for secure group communication and propose to extend a recently invented innovative group key management mechanism, Access Control Polynomial, to multiple-party group communication.
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