Encoding and encrypting devices for secure scalable data streaming
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United States of America Patent
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Mar 25, 2008
Grant Date -
Apr 10, 2003
app pub date -
Oct 4, 2001
filing date -
May 4, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method thereof for encoding and encrypting data. The device includes a segmenter adapted to receive the data and segment at least a portion of the data into regions, a scalable encoder adapted to scalably encode at least one of the regions into scalably encoded data, and a progressive encrypter adapted to progressively encrypt at least a portion of the scalably encoded data into progressively encrypted scalably encoded data. In one embodiment, progressively encrypted scalably encoded data are provided to a packetizer in real time. In another embodiment, the device includes a storage unit adapted to store progressively encrypted scalably encoded data. In this latter embodiment, data can then be extracted from storage and provided to a packetizer.
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