commit 3c8d29c204c6feb91ad951e2e1c5190d4ca98a13
author Hung-Te Lin <hungte@chromium.org> Thu Sep 11 11:50:03 2014 +0800
committer chrome-internal-fetch <chrome-internal-fetch@google.com> Thu Sep 11 08:06:04 2014 +0000
tree b76ac3669a91c1138631a2dda9d143f8c691dd35
parent f510973497a430c1bb41d9b7e996d02fb7f7179e

futility: Wipe GBB data before writing new values.

The previous version of gbb_utility always zeros data before writing new values
and we should keep this behavior, to simplify firmware hash calculation and
potential security concern.

BRANCH=none
BUG=chromium:413066
TEST=emerge gbb_utility; factory/bin/gooftool get_firmware_hash bios.bin
Original-Change-Id: Ic97a118cefc9698d52d9370b627670ff103d5e23

Change-Id: If38e15f35ee491cc80f96b360c63ee25f71c1854
Reviewed-on: https://chromium-review.googlesource.com/217700
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>