- merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0
- erase_checksum $TMPDIR/area0
- chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
- write_checksum $chks0 $TMPDIR/area0
- write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG
- kill_bin_hdr $TMPDIR/hdr1
- write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG