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doc: Update authenticated capsules documentation

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Now that we moved out the capsule signature from the DTB, remove the
relevant documentation.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Ilias Apalodimas 2025-04-01 14:27:26 +03:00 • committed by Heinrich Schuchardt
parent fd58c275f6
commit 00cf654b29
1 changed files with 0 additions and 15 deletions
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doc/develop/uefi/uefi.rst
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@ -597,21 +597,6 @@ and used by the steps highlighted below.
[--fit | --raw | --guid <guid-string] \
<image_blob> <capsule_file_name>
4. Insert the signature list into a device tree in the following format::
{
signature {
capsule-key = [ <binary of signature list> ];
}
...
}
You can perform step-4 through the Kconfig symbol
CONFIG_EFI_CAPSULE_CRT_FILE. This symbol points to the signing key
generated in step-2. As part of U-Boot build, the ESL certificate file will
be generated from the signing key and automatically get embedded into the
platform's dtb.
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