Dynamically shifting control word
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 29, 2011
Grant Date -
Oct 2, 2008
app pub date -
Jun 2, 2008
filing date -
May 22, 2000
priority date (Note) -
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Abstract
A method for generating a plurality of control words, each control word controlling access to an object. The method includes providing a control word packet (CWP), generating a first control word (CW) from the CWP, providing a second CW generation input and producing a second CW based, at least in part, on both of the following the first CW and the second CW generation input. Control word generating apparatus for generating a plurality of control words is also disclosed.
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