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Merge "docs: update Measured Boot PoC" into integration

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Lauren Wehrmeister 2023-06-12 18:23:37 +02:00 • committed by TrustedFirmware Code Review
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docs/design_documents/measured_boot_poc.rst
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@ -5,10 +5,10 @@ Measured Boot is the process of cryptographically measuring the code and
critical data used at boot time, for example using a TPM, so that the critical data used at boot time, for example using a TPM, so that the
security state can be attested later. security state can be attested later.
The current implementation of the driver included in Trusted Firmware-A The current implementation of the driver included in |TF-A| supports several
(TF-A) stores the measurements into a `TCG event log`_ in secure backends and each has a different means to store the measurements.
memory. No other means of recording measurements (such as a discrete TPM) is This section focuses on the `TCG event log`_ backend, which stores measurements
supported right now. in secure memory.
The driver also provides mechanisms to pass the Event Log to normal world if The driver also provides mechanisms to pass the Event Log to normal world if
needed. needed.