Real-time software monitor and write protect controller
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United States of America Patent
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Jul 28, 1987
Grant Date -
N/A
app pub date -
Dec 3, 1984
filing date -
Dec 3, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Verification of proper operation of computer programs executing in a central processor and protection of critical data is accomplished by an independent software monitor which accepts data keys from the executing program and outputs defined legitimate codes in response thereto. Legitimate codes and selected portions of input data keys are compared to validate proper softward execution.
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