This functionality allows factory to ensure that the recovery MRC cache
trained during finalization has the right signature and the checksum on
the data can be verified.
BUG=chrome-os-partner:59661
BRANCH=None
TEST=Verified checksum on recovery mrc cache.
Change-Id: Ic5bd9910b4542037ad86f6fb7a7d83b97be5c792
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/409680
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>