| 摘要 |
A system for implementing a content protection protocol to encrypt data, including transmitters and receivers to which key selection vectors of a vector set have been distributed, wherein a subset of the key selection vectors in the vector set has not been distributed to any of the transmitters or any of the receivers, and a method for enabling transmitters and receivers to implement a content protection protocol including by distributing key selection vectors of a vector set, and private key sets, to the transmitters and receivers while reserving a subset of the key selection vectors of the vector set.
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