42 lines
934 B
Bash
Executable file
42 lines
934 B
Bash
Executable file
#!/bin/bash
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. lib.sh
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#
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# *** Description ***
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#
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# generate primary header with luks2 keyslot kdf object
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# having left over params.
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#
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# secondary header is corrupted on purpose as well
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#
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# $1 full target dir
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# $2 full source luks2 image
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function generate()
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{
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# add keyslot 1 to second digest
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obj_len=$(jq -c -M '.keyslots."2".kdf | length' $TMPDIR/json0)
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json_str=$(jq -r -c -M '.keyslots."2".kdf.type = "argon2i" | .keyslots."2".kdf.iterations = 1001 | .keyslots."2".kdf.hash = "sha256"' $TMPDIR/json0)
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test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
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write_luks2_json "$json_str" $TMPDIR/json0
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lib_mangle_json_hdr0_kill_hdr1
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}
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function check()
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{
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lib_hdr1_killed || exit 2
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lib_hdr0_checksum || exit 2
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read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
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new_obj_len=$(jq -c -M '.keyslots."2".kdf | length' $TMPDIR/json_res0)
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test $((obj_len+2)) -eq $new_obj_len || exit 2
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}
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lib_prepare $@
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generate
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check
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lib_cleanup
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