signer: update legacy bootloader templates after image signing
Specifically, this patch updates 'root_hexdigest' in legacy bootloader
templates in EFI system partition to match the signed rootfs.
BRANCH=None
BUG=chromium:512940
TEST=Ran sign_official_build.sh locally and booted the image on kvm
(using BIOS).
TEST=Ran signing_unittests.py by locally changing vboot_stable_hash to
include this patch.
$ ./sign_official_build.sh base chromiumos_base_image.bin \
../../tests/devkeys chromiumos_base_image_signed.bin
Change-Id: Ied021c4464b113a64508f5081605069bdcecbc1f
Reviewed-on: https://chromium-review.googlesource.com/301742
Commit-Ready: Amey Deshpande <ameyd@google.com>
Tested-by: Amey Deshpande <ameyd@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed
