Re: [PATCH 3/4] avb: add board-specific root key provider

Mattijs Korpershoek <[email protected]>
Newsgroups gmane.comp.boot-loaders.u-boot
Message-ID <[email protected]>
Hi Igor,

Thank you for the patch.

On Mon, Jul 27, 2026 at 19:14, Igor Opaniuk <[email protected]> wrote:

> The strongest anchor for the root of trust is a key hash burned into
> hardware (OTP/eFuse), which is inherently SoC-specific and cannot live in
> common code. Give boards a hook to supply it from wherever their hardware
> keeps it.
>
> The default is deliberately fail-closed: a board that has not wired up a
> provider refuses verification rather than silently trusting whatever key it
> is handed. A misconfiguration should stop the boot, not quietly weaken it.
>
> Signed-off-by: Igor Opaniuk <[email protected]>

Reviewed-by: Mattijs Korpershoek <[email protected]>

> ---
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.