Digital rights management of a digital device
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United States of America Patent
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Oct 29, 2013
Grant Date -
Mar 24, 2005
app pub date -
Oct 11, 2004
filing date -
Nov 5, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, an apparatus involves the descrambling of scrambled digital content using a one-time programmable key and digital rights management. The apparatus comprises a processor and a descrambler. The processor is adapted to execute a Digital Rights Management (DRM) function in order to determine whether each entitlement needed to access the digital content is pre-stored. The descrambler is adapted to decrypt encrypted information using a Unique Key stored within the one-time programmable memory. After determining that each entitlement needed to access the digital content is pre-stored, the decrypted information is used to generate a key, which is used to decrypt at least one service key for descrambling the scrambled digital content.
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