[U-Boot] [PATCH 2/5] imx: hab: Ensure the IVT DCD pointer is Null prior to calling HAB authenticate function.

[Fabio Estevam]

On Mon, Feb 19, 2018 at 10:19 PM, Breno Lima <brenomatheus at gmail.com> wrote:
> From: Utkarsh Gupta <utkarsh.gupta at nxp.com>
>
> DCD commands should only be present in the initial boot image loaded by
> the SoC ROM. DCD should not be present in images that will be verified
> by software using HAB RVT authentication APIs. Newer versions of HAB
> will generate an error if a DCD pointer is present in an image being
> authenticated by calling the HAB RVT API. Older versions of HAB will
> process and run DCD if it is present, and this could lead to an incorrect
> authentication boot flow.
>
> It is highly recommended this check is in place to ensure additional HAB
> verified images do not include a DCD table.
>
> Signed-off-by: Utkarsh Gupta <utkarsh.gupta at nxp.com>
> Signed-off-by: Breno Lima <breno.lima at nxp.com>

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>