Hybrid storage of video on demand content
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United States of America Patent
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N/A
Issued Date -
May 5, 2005
app pub date -
Mar 16, 2004
filing date -
Oct 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multiple selective encryption method for digital content consistent with certain embodiments involves selecting a plurality of packets for encryption according to a selection criterion, to produce selected packets, wherein unselected packets are designated to remain unencrypted. The plurality of selected packets is duplicated to produce duplicate packets, wherein the duplicate packets are unencrypted. The selected packets are encrypted under a first encryption system to produce first encrypted packets. The content is stored by storing the unencrypted unselected packets, the first encrypted packets and the duplicate unencrypted packets. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
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