Method and system for tamper-proofing a dual modulation network
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United States of America Patent
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Jun 12, 2018
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app pub date -
May 11, 2016
filing date -
May 11, 2016
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Abstract
A system and method for a tamper-resistant network is disclosed. The system includes a primary network hub (PNH) having a PNH transceiver and a PNH microcontroller. The PNH microcontroller has long range spread spectrum frequency hopping (SSFH) firmware, a plurality of frequency hopping sequences, and PNH tamper firmware. The system also includes a peripheral device (PD) having a PD transceiver, a PD tamper circuit, and a PD microcontroller. The PD microcontroller includes the long range SSFH firmware, the plurality of frequency hopping sequences, and PD tamper firmware. The PD communicates to the PNH that it is compromised, and the PNH deactivates the PD and an associated frequency hopping signal.
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