Method for protecting the audio/visual data across the NRSS interface
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Mar 13, 2001
filing date -
Dec 10, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A system for enhancing the security of the interface between a consumer electronic device and a removable security device is provided by protecting the audio/visual (A/V) stream descrambled in the removable security device. The protection involves dynamically computing a shared key followed by the rescrambling of the A/V stream.
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