Method and apparatus for managing encrypted data on a computer readable medium
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United States of America Patent
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Sep 15, 2009
Grant Date -
Aug 10, 2006
app pub date -
Feb 9, 2005
filing date -
Feb 9, 2005
priority date (Note) -
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Abstract
A method and apparatus for managing encrypted data on a computer readable medium wherein an encryption key is determined for a received quantum of data. The quantum of data is encrypted according to the encryption key at a volume level when the quantum of data comprises volume data. The quantum of data is encrypted according to the encryption key at a file level when the data comprises file data. The encrypted data is then directed to a computer readable medium.
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