Optical disk shred operation with detection
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United States of America Patent
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N/A
Issued Date -
Mar 1, 2007
app pub date -
Aug 25, 2006
filing date -
Aug 26, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Data protection and security is provided by incorporating a data shredding operation which renders data previously stored on storage media unrecoverable. In the shredding operation of the present invention, certain overhead portions of a data storage sector remain unchanged, while the data area is overwritten with a predetermined pattern. By maintaining the overhead portions of the sectors (addressing, verify and protect, error correction codes, etc.) the sectors can be easily identified as being previously shredded, thus not providing a source of possible confusion to the data storage device. Further, the data becomes unrecoverable as it has been overwritten by the predetermined pattern, which thus eliminates all previously existing transitions which contained the encoded data.
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