METHOD AND APPARATUS FOR ENSURING CONSISTENT SYSTEM CONFIGURATION IN SECURE APPLICATIONS
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2011
app pub date -
Oct 13, 2010
filing date -
Oct 13, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In exemplary embodiments, methods and apparatuses for securing electronic devices against tampering or unauthorized modifications are presented herein. One or more system locks may be installed in the system at a location between two or more subsystems along a communications path. Each system lock may be associated with a particular subsystem. The system locks may monitor the state of the system, including transactions targeting associated subsystems, and the transactions and/or state of the system may be compared to known valid transactions and states. If the requested transaction or enacted system state differs from a known acceptable transaction or state, a notification may be generated and countermeasures may be enacted. In some embodiments, the system locks may be located in a system bus on an electronic device to ensure that software executed on the electronic device remains free of tampering.
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