Efficient, secure multicasting with minimal knowledge
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Apr 24, 1998
filing date -
Jan 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A system for secure multicast including a plurality of participants that can send and receive multicast messages. A traffic distribution component is coupled to the participating entities, where the traffic distribution component supports multiple receiver communication. A participant key management component operates within each participant entity where the participant key management component uses a first key that is shared with all of the other participants, and a second key that is shared with a subgroup of participants. A group key management component is implemented using a flat data structure having a size that is logarithmically proportional to the number of participants.
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