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With an loem keyset in a recovery shellball, we don't want to write the
rootkeys & vblocks to the firmware image directly. Instead, we'll put
them into a keyset subdir that the firmware updater will process later.
bios.bin
keyset/
rootkey.LOEMID
vblock_A.LOEMID
vblock_B.LOEMID
We still write the recovery key to the firmware image though as that is
shared between all the keysets.
BUG=chromium:381862
TEST=Ran against a recovery image with devkeys & loemkeys and checked shellball
TEST=`cbuildbot daisy-release` works
BRANCH=none
Change-Id: I6fc99c71e6c7dee25f7f9a466a97314ff750fda9
Reviewed-on: https://chromium-review.googlesource.com/203682
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
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