tree 5f70b9d8cfce78ff84486ad0688a4ba1f8f26b85
parent 82ee5d0bb9ac68c14033b102705904ee9991ee3d
author Mark Horvath <mark.horvath@arm.com> 1613724935 +0100
committer Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no> 1669395243 +0100

bootutil: Fix bootutil_find_key return value

The return value of bootutil_find_key is used as the key_id in the
bootutil_img_validate function, and negative key_id value used in case
of errors. If MCUBOOT_HW_KEY is set, than the key hash is read by
boot_retrieve_public_key_hash function, but the exceptation is only to
return nonzero on failure, so its error code should not be propagated
up to the caller. Instead, bootutil_find_key should return -1 in case
of a platform error.

Change-Id: I8e2bd12a5cf53787e10ae45c2ab556e8a856692d
Signed-off-by: Mark Horvath <mark.horvath@arm.com>