Re: [PATCH] ARM: i.MX: fix fast auth wrong CSF file

Marco Felsch <[email protected]> Fri, 10 Jul 2026 17:23:30 +0200
Newsgroups org.infradead.lists.barebox
Message-ID <qma5zzasw64ehywoulxuwc3nkza7pnw7rjedpr27nsspcuc7c2@wuq35rsctrzo>
On 26-07-10, Fabian Pfitzner wrote:
> The commit [1], which integrates fast authentication support on
> i.MX8 SoCs does not work as expected. The resulting CSF cannot be
> verified correctly by the boot rom, leading to an invalid signature.
> 
> The CST user guide documentation states in `Table 10. Authenticate Data arguments`,
> that the `Verification Index` must also be set to 0 when we use fast
> auth. This commit fixes that.
> 
> With this change, the bootrom seems to validate the signature properly
> now.
> 
> [1] 086d01264d ("ARM: i.MX: add support for fast authentication")
> 
> ---
> Signed-off-by: Fabian Pfitzner <[email protected]>

Two nits:

- your s-o-b is below the '---' and therefore cut while applying
- You should metion the broken commit by a fixes tag:

Fixes: 086d01264d ("ARM: i.MX: add support for fast authentication")

Reviewed-by: Marco Felsch <[email protected]>