Secure digital forensics
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United States of America Patent
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Sep 6, 2011
Grant Date -
Apr 30, 2009
app pub date -
Oct 24, 2007
filing date -
Oct 24, 2007
priority date (Note) -
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Abstract
A security module is used to perform an audit of both a computer memory and the computer's processor status. The security module may assert itself as a bus master to read the computer memory without dependence on a program running on the computer. In addition, using a separate hardware path, the security module may access processor register data using a debug port. The security module may collect both memory and processor status information without the use of any of the computer resources being measured, avoiding either alteration of the data by the measurement tool or tampering with the data while being collected.
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