From 30ee1b065d684643ad00c44010cf9114c76c69b2 Mon Sep 17 00:00:00 2001 From: Manish V Badarkhe Date: Fri, 9 Jun 2023 14:44:13 +0100 Subject: [PATCH] docs: update Measured Boot PoC Updated the Measured Boot PoC to be compliant with the current TF-A implementation that supports multiple Measured Boot backends, which are the RSS and Event Log. Change-Id: I8a38a801dd75e6282d103e154966959bba2d1ec7 Signed-off-by: Manish V Badarkhe --- docs/design_documents/measured_boot_poc.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/docs/design_documents/measured_boot_poc.rst b/docs/design_documents/measured_boot_poc.rst index 7f73d7e9b..7f9519e71 100644 --- a/docs/design_documents/measured_boot_poc.rst +++ b/docs/design_documents/measured_boot_poc.rst @@ -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 security state can be attested later. -The current implementation of the driver included in Trusted Firmware-A -(TF-A) stores the measurements into a `TCG event log`_ in secure -memory. No other means of recording measurements (such as a discrete TPM) is -supported right now. +The current implementation of the driver included in |TF-A| supports several +backends and each has a different means to store the measurements. +This section focuses on the `TCG event log`_ backend, which stores measurements +in secure memory. The driver also provides mechanisms to pass the Event Log to normal world if needed.