tree 43c2d48919846cb5b004d82d252a5b8a5678de0e
parent 40837258677fca4b9bfb37b7bfb288baf40831e0
author Hung-Te Lin <hungte@chromium.org> 1422442023 +0800
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1422567296 +0000

sign_official_build: Support old images without kernel in partition 4.

Old images don't put kernel on partition 4 and rely on vblock for installation.
The signer script has to support both old and new images, by testing if kernel
partition has valid data.

BRANCH=signer
BUG=chromium:449450
TEST=(get old image without kernel blob on partition 4)
     sign_official_build.sh usb image.bin ../../tests/devkeys signed.bin \
     ../../tests/devkeys/key.versions

Change-Id: I92542ffb162660d86c30d9598fe1ca59ff69afe4
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/243874
Reviewed-by: Mike Frysinger <vapier@chromium.org>