Hi Ivan,

On Fri, 24 Dec 2021 at 11:23, Ivan Mikhaylov <[email protected]> wrote:
>
> Introduce prototype for binman's new option which provides sign
> and replace sections in binary images.
>
> Usage as example:
>
> from:
> mkimage -G privateky -r -o sha256,rsa4096 -F [email protected]
> binman replace -i flash.bin -f [email protected] fit@0x280000
>
> to:
> binman sign -i flash.bin -k privatekey -a sha256,rsa4096 -f [email protected] 
> fit@0x280000
>
> Signed-off-by: Ivan Mikhaylov <[email protected]>
> ---
>  tools/binman/cmdline.py | 13 +++++++++++++
>  tools/binman/control.py | 27 ++++++++++++++++++++++++++-
>  2 files changed, 39 insertions(+), 1 deletion(-)

This looks good. Just need a test and docs update (also check 'binman
test -T' for 100% code coverage).

Nits below

>
> diff --git a/tools/binman/cmdline.py b/tools/binman/cmdline.py
> index e73ff78095..c3cfd17d1c 100644
> --- a/tools/binman/cmdline.py
> +++ b/tools/binman/cmdline.py
> @@ -113,6 +113,19 @@ controlled by a description in the board device tree.'''
>      replace_parser.add_argument('paths', type=str, nargs='*',
>                                  help='Paths within file to replace 
> (wildcard)')
>
> +    sign_parser = subparsers.add_parser('sign',
> +                                           help='Sign entries in image')
> +    sign_parser.add_argument('-i', '--image', type=str, required=True,
> +                                help='Image filename to update')
> +    sign_parser.add_argument('-k', '--key', type=str, required=True,
> +                                help='Private key file for sign')

s/sign/signing/

> +    sign_parser.add_argument('-a', '--algo', type=str, required=True,
> +                                help='Hash algorithm')

e.g. sha256,rsa4096

> +    sign_parser.add_argument('-f', '--file', type=str, required=True,
> +                                help='Input filename to sign')

Please sort the options in alpha order: -a, -f, -i, -k

[..]

Regards,
Simon

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