Secure system boot monitor
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United States of America Patent
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Jun 23, 2020
Grant Date -
Aug 1, 2019
app pub date -
Apr 7, 2019
filing date -
Jun 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A security device includes an interface and a processor. The interface is configured for connecting to a bus that serves a host device and a non-volatile memory (NVM) device. The processor is connected to the bus in addition to the host device and the NVM device. The processor is configured to detect on the bus a boot process, in which the host device retrieves boot code from the NVM device, and to ascertain a security of the boot process, based on an authentic copy of at least part of the boot code of the host device.
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