Techniques for secure storage hijacking protection
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United States of America Patent
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Sep 5, 2017
Grant Date -
Nov 12, 2015
app pub date -
Jul 20, 2015
filing date -
Jul 27, 2011
priority date (Note) -
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Abstract
Various embodiments of the present disclosure are directed to a storage device having a non-volatile memory, a Proof of Physical Access (PPA) mechanism and a controller circuit. The PPA mechanism generates a PPA value responsive to a direct physical user interaction with the storage device by a user. In response to receipt of a storage command from a host, the controller circuit executes the received storage command responsive to the storage command being determined to be a protected command and responsive to detection of the PPA value during a predetermined window of time. The controller circuit does not execute the received storage command responsive to the storage command being determined to be a protected command and responsive to an absence of the PPA value during the predetermined window of time. The protected command is a command that changes access to data stored in the non-volatile memory.
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