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