Digital video recorder employing a unique ID to interlock with encrypted video programs stored on a storage device
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United States of America Patent
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Feb 8, 2005
Grant Date -
N/A
app pub date -
Sep 30, 2000
filing date -
Sep 30, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention may be regarded as a digital video recorder (DVR) comprising a storage device for storing an encrypted video program, a unique ID for interlocking the encrypted video program with the digital video recorder, and a cryptography facility. The cryptography facility comprises an encoder, responsive to the unique ID, for encrypting a plaintext video program into the encrypted video program stored on the storage device, and a decoder, responsive to the unique ID, for decrypting the encrypted video program stored on the storage device into the plaintext video program during playback.
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