Adaptive traitor tracing
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United States of America Patent
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Jan 31, 2012
Grant Date -
Dec 24, 2009
app pub date -
Jun 20, 2008
filing date -
Jun 20, 2008
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Abstract
One embodiment of the present invention includes a method for traitor tracing that selects a probability distribution for the assignment of file-segment variations in a digital file. This probability distribution is selected to improve traceability for a particular size of a coalition of attackers. At least one symbol for each file-segment variation is then distributed based on the selected probability distribution.
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