Key distribution for encrypted broadcast data using minimal system bandwidth
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United States of America Patent
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Aug 25, 2009
Grant Date -
N/A
app pub date -
Aug 24, 2000
filing date -
Aug 25, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides a bandwidth-efficient mechanism whereby the source or originating node(s) (the invention supports multiple source nodes, each creating single or multiple broadcast message(s)) may utilize broadcast addressing service to efficiently reach multiple receiver nodes and still control which receiver node(s) may access the broadcast data or message. This method is realized by a novel and efficient key distribution technique.
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