Method and apparatus for sanitization of fixed storage devices
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United States of America Patent
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-
Apr 3, 2001
Grant Date -
N/A
app pub date -
Jan 21, 1998
filing date -
Jan 21, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are disclosed for sanitization of a fixed storage device interfaced to a computer system. The computer system is booted from a removable storage device that holds a bootable disk operating system and program code that is executed within the disk operating system. The fixed storage device is detected. The writeable space of the fixed storage device is then overwritten with a plurality of overwrite layers. Further, a report can be printed listing information about the sanitization process contemporaneously upon the completion of sanitization. In one embodiment, sanitizing is accomplished using a plurality of patterns, each layer having an associated pattern, to ensure that data can not be recovered even by destructive analysis.
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