[PATCH v5 4/5] Kconfig: FIT_SIGNATURE should not select RSA_VERIFY

[Igor Opaniuk <igor.opaniuk@foundries.io>]

On Mon, May 17, 2021 at 9:40 PM Alexandru Gagniuc <mr.nuke.me@gmail.com> wrote:
>
> FIT signatures can now be implemented with ECDSA. The assumption that
> all FIT images are signed with RSA is no longer valid. Thus, instead
> of 'select'ing RSA, only 'imply' it. This doesn't change the defaults,
> but allows one to explicitly disable RSA support.
>
> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>
> ---
>  common/Kconfig.boot | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/common/Kconfig.boot b/common/Kconfig.boot
> index 03a6e6f214..1527e3e600 100644
> --- a/common/Kconfig.boot
> +++ b/common/Kconfig.boot
> @@ -76,8 +76,8 @@ config FIT_SIGNATURE
>         bool "Enable signature verification of FIT uImages"
>         depends on DM
>         select HASH
> -       select RSA
> -       select RSA_VERIFY
> +       imply RSA
> +       imply RSA_VERIFY
>         select IMAGE_SIGN_INFO
>         select FIT_FULL_CHECK
>         help
> @@ -186,8 +186,8 @@ config SPL_FIT_SIGNATURE
>         select SPL_FIT
>         select SPL_CRYPTO_SUPPORT
>         select SPL_HASH_SUPPORT
> -       select SPL_RSA
> -       select SPL_RSA_VERIFY
> +       imply SPL_RSA
> +       imply SPL_RSA_VERIFY
>         select SPL_IMAGE_SIGN_INFO
>         select SPL_FIT_FULL_CHECK
>
> --
> 2.31.1
>

Reviewed-by: Igor Opaniuk <igor.opaniuk@foundries.io>

-- 
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Igor Opaniuk
Embedded Software Engineer
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E: igor.opaniuk at foundries.io
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