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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:使用变换在接收器中计算有效地获得控制字
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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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