Multicast security and its extension to a mobile environment |
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Authors: | Li Gong Nachum Shacham |
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Affiliation: | (1) Computer Science Laboratory, SRI International, 333 Ravenswood Avenue, 94025 Menlo Park, California, USA |
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Abstract: | Multicast is rapidly becoming an important mode of communication and a good platform for building group-oriented services. To be used for trusted communication, however, current multicast schemes must be supplemented by mechanisms for protecting traffic, controlling participation, and restricting access of unauthorized users to data exchanged by the participants. In this paper, we consider fundamental security issues in building a trusted multicast facility. We discuss techniques for group-based data encryption, authentication of participants, and preventing unauthorized transmissions and receptions. We also describe the application of these principles and techniques in designing an architecture for secure multicast in a mobile environment. |
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