Re: [PATCH] ARM: i.MX: configurable Super Root Key index

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On Tue, May 05, 2020 at 02:58:36PM +0200, Rouven Czerwinski wrote:
> Allow the configuration of the Super Root Key Index, to let the user
> select another key if a previous key has been revoked.
> 
> Signed-off-by: Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-imx/Kconfig                          | 10 ++++++++++
>  arch/arm/mach-imx/include/mach/habv4-imx6-gencsf.h |  2 +-
>  arch/arm/mach-imx/include/mach/habv4-imx8-gencsf.h |  2 +-
>  3 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> index 072c659008..6dd5cb2aca 100644
> --- a/arch/arm/mach-imx/Kconfig
> +++ b/arch/arm/mach-imx/Kconfig
> @@ -845,6 +845,16 @@ config HAB_CERTS_ENV
>  	  CONFIG_HABV4_CSF_CRT_PEM
>  	  CONFIG_HABV4_IMG_CRT_PEM
>  
> +config HABV4_SRK_INDEX
> +	depends on HABV4
> +	int "SRK index"
> +	default 0
> +	help
> +	  Select the Super Root Key used in the Command Sequence File to sign
> +	  the CSF binary. This should only be changed if a previous key was
> +	  revoked and another key needs to be used. For HABV4 the Index is in
> +	  the range from 0 to 3.

Applied this time, but I hope that we won't get many more of these
policy encoding defines in habv4-imx6-gencsf.h.

Sascha


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