Binding of protected video content to video player with block cipher hash
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United States of America Patent
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Nov 4, 2014
Issued Date -
N/A
app pub date -
Dec 2, 2011
filing date -
Dec 2, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A video player sends a video content identifier and a video player identifier through a network to a server. The video content identifier identifies video content. The video player identifier identifies the video player. Further, a first subset of encrypted video content and an initialization vector are received from a server. In addition, a hash of the video player identifier is generated. The first subset of the encrypted video content is decrypted with a decryption key to generate a first result. Further, a first operation on the initialization vector and the hash is performed to generate a second result. In addition, a second operation is performed on the first result and the second result to generate a first subset of plaintext of video content.
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