| 摘要 |
A key distribution method for distributing, via a communications network, a key in a multicast communications system in which each one of a plurality of communications is directed to an associated multicast group including a plurality of recipients intended to receive the one communication. The method includes providing a plurality of implemented key distribution methods, dynamically choosing one implemented key distribution method of the plurality of key distribution methods, and distributing at least one key using the one implemented key distribution method.Related apparatus and methods are also provided.
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