DM_VERITY_ROOT_HASH_VERIFICATION_OPT_SIG_KEY 741 drivers/md/dm-verity-target.c DMEMIT(" " DM_VERITY_ROOT_HASH_VERIFICATION_OPT_SIG_KEY DM_VERITY_ROOT_HASH_VERIFICATION_OPT_SIG_KEY 28 drivers/md/dm-verity-verify-sig.c DM_VERITY_ROOT_HASH_VERIFICATION_OPT_SIG_KEY));