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docs: grub-install --pubkey has been supported for some time

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grub-install --pubkey is supported, so we can now document it.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Daniel Axtens 2020-10-28 12:57:19 +11:00 committed by Daniel Kiper
parent c0c9da5c64
commit cc316ea337
1 changed files with 3 additions and 9 deletions
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docs/grub.texi
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@ -5820,15 +5820,9 @@ verified with a public key currently trusted by GRUB
validation fails, then file @file{foo} cannot be opened. This failure
may halt or otherwise impact the boot process.
@comment Unfortunately --pubkey is not yet supported by grub-install,
@comment but we should not bring up internal detail grub-mkimage here
@comment in the user guide (as opposed to developer's manual).
@comment An initial trusted public key can be embedded within the GRUB
@comment @file{core.img} using the @code{--pubkey} option to
@comment @command{grub-mkimage} (@pxref{Invoking grub-install}). Presently it
@comment is necessary to write a custom wrapper around @command{grub-mkimage}
@comment using the @code{--grub-mkimage} flag to @command{grub-install}.
An initial trusted public key can be embedded within the GRUB @file{core.img}
using the @code{--pubkey} option to @command{grub-install}
(@pxref{Invoking grub-install}).
GRUB uses GPG-style detached signatures (meaning that a file
@file{foo.sig} will be produced when file @file{foo} is signed), and