[PATCH 0/3] mkimage: allow to specify signing algorithm

Jan Kiszka jan.kiszka at siemens.com
Thu Jan 13 13:38:49 CET 2022


On 25.11.21 20:03, Jan Kiszka wrote:
> Another step to decouple the FIT image specification from the actual
> signing: With these changes, the signature nodes can leave out an algo
> property, mkimage will initialize that as well while signing. This way,
> in-tree FIT source files can be prepared for gaining signatures without
> defining the key type or size upfront, forcing users to patch the code
> to change that.
> 
> Patch 1 is preparatory for this, patch 2 a drive-by cleanup.
> 
> A better solution would actually be if the algorithm was derived from
> the provided key. But the underlying crypto layer seems to be rather
> unprepared for that.
> 
> Jan
> 
> Jan Kiszka (3):
>    image-fit: Make string of algo parameter constant
>    mkimage: Drop unused OPT_STRING constant
>    mkimage: Allow to specify the signature algorithm on the command line
> 
>   boot/image-fit-sig.c |  2 +-
>   boot/image-fit.c     |  8 +++----
>   doc/mkimage.1        |  5 +++++
>   include/image.h      |  5 +++--
>   tools/fit_image.c    |  3 ++-
>   tools/image-host.c   | 50 +++++++++++++++++++++++++-------------------
>   tools/imagetool.h    |  1 +
>   tools/mkimage.c      |  6 ++++--
>   8 files changed, 49 insertions(+), 31 deletions(-)
> 

Ping on this series.

Jan

-- 
Siemens AG, Technology
Competence Center Embedded Linux


More information about the U-Boot mailing list