Efficient, secure multicasting with global knowledge
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United States of America Patent
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Apr 11, 2000
Grant Date -
N/A
app pub date -
Jan 20, 1998
filing date -
Jan 20, 1998
priority date (Note) -
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Abstract
A system for secure multicast including at least one sending entity operating on a sending computer system, the sending entity with a sending multicast application running on the sending computer system. A number of receiving entities each running on a receiving computer system, the receiving entities having a receiving multicast application running. A traffic distribution component coupled to the sending entity and each of the receiving entities, where the traffic distribution component supports a connectionless datagram protocol. A participant key management component operates within each receiver entity where the participant key management component holds a first key that is shared with the sender and all of the receiving entities, and a second key that is shared with the sender and at least one but less than all of the receiving entities. A group key management component is coupled to the traffic distribution component and includes a data structure for storing all of the participant first and second keys.
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