8 # generate primary header with two exactly same areas in terms of 'offset' and 'length'.
10 # secondary header is corrupted on purpose as well
14 # $2 full source luks2 image
19 test -d $TMPDIR || mkdir $TMPDIR
20 read_luks2_json0 $TGT_IMG $TMPDIR/json0
21 read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
22 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
27 # copy area 6 offset and length into area 7
28 json_str=$(jq -c '.keyslots."7".area.offset = .keyslots."6".area.offset |
29 .keyslots."7".area.size = .keyslots."6".area.size' $TMPDIR/json0)
30 test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
32 write_luks2_json "$json_str" $TMPDIR/json0
34 merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0
35 erase_checksum $TMPDIR/area0
36 chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
37 write_checksum $chks0 $TMPDIR/area0
38 write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG
39 kill_bin_hdr $TMPDIR/hdr1
40 write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG
45 read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1
46 local str_res1=$(head -c 6 $TMPDIR/hdr_res1)
47 test "$str_res1" = "VACUUM" || exit 2
49 read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
50 jq -c 'if (.keyslots."6".area.offset != .keyslots."7".area.offset) or (.keyslots."6".area.size != .keyslots."7".area.size)
51 then error("Unexpected value in result json") else empty end' $TMPDIR/json_res0 || exit 5
60 test $# -eq 2 || exit 1
62 TGT_IMG=$1/$(test_img_name $0)