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Computational efficiently obtaining a control word in a receiver using transformations
Computational efficiently obtaining a control word in a receiver using transformations
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机译:使用转换以计算方式高效地获得接收器中的控制字
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摘要
The invention provides a receiver, a smartcard and a conditional access system for securely obtaining a control word using an entitlement transform tree, wherein intermediate results are cached to improve computational efficiency.
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