3 [ -z "$CRYPTSETUP_PATH" ] && CRYPTSETUP_PATH=".."
4 CRYPTSETUP=$CRYPTSETUP_PATH/cryptsetup
5 REENC=$CRYPTSETUP_PATH/cryptsetup-reencrypt
6 FAST_PBKDF_ARGON="--pbkdf-force-iterations 4 --pbkdf-memory 32 --pbkdf-parallel 1"
7 FAST_PBKDF_PBKDF2="--pbkdf-force-iterations 1000 --pbkdf pbkdf2"
8 DEFAULT_ARGON="argon2i"
14 ORIG_IMG=reenc-data-orig
22 [ -f /etc/system-fips ] && FIPS_MODE=$(cat /proc/sys/crypto/fips_enabled 2>/dev/null)
26 [ -n "$FIPS_MODE" ] && [ "$FIPS_MODE" -gt 0 ]
29 function dm_crypt_features()
31 local VER_STR=$(dmsetup targets | grep crypt | cut -f2 -dv)
32 [ -z "$VER_STR" ] && fail "Failed to parse dm-crypt version."
34 local VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
35 local VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
37 [ $VER_MAJ -lt 1 ] && return
38 [ $VER_MAJ -eq 1 -a $VER_MIN -lt 11 ] && return
39 ALLOW_DISCARDS=--allow-discards
40 [ $VER_MAJ -eq 1 -a $VER_MIN -lt 14 ] && return
41 PERF_CPU=--perf-same_cpu_crypt
44 function del_scsi_device()
46 rmmod scsi_debug 2>/dev/null
50 function remove_mapping()
52 [ -b /dev/mapper/$DEV_NAME2 ] && dmsetup remove --retry $DEV_NAME2
53 [ -b /dev/mapper/$DEV_NAME ] && dmsetup remove --retry $DEV_NAME
54 rm -f $IMG $IMG_HDR $ORIG_IMG $KEY1 >/dev/null 2>&1
55 umount $MNT_DIR > /dev/null 2>&1
56 rmdir $MNT_DIR > /dev/null 2>&1
62 [ -n "$1" ] && echo "$1"
63 echo "FAILED backtrace:"
64 while caller $frame; do ((frame++)); done
72 [ -n "$1" ] && echo "$1"
76 function add_scsi_device() {
78 modprobe scsi_debug $@ delay=0
79 if [ $? -ne 0 ] ; then
80 echo "This kernel seems to not support proper scsi_debug module, test skipped."
85 SCSI_DEV="/dev/"$(grep -l -e scsi_debug /sys/block/*/device/model | cut -f4 -d /)
86 [ -b $SCSI_DEV ] || fail "Cannot find $SCSI_DEV."
89 function open_crypt() # $1 pwd, $2 hdr
92 echo "$1" | $CRYPTSETUP luksOpen $IMG $DEV_NAME --header $2 || fail
93 elif [ -n "$1" ] ; then
94 echo "$1" | $CRYPTSETUP luksOpen $IMG $DEV_NAME || fail
96 $CRYPTSETUP luksOpen -d $KEY1 $IMG $DEV_NAME || fail
100 function wipe_dev() # $1 dev
102 dd if=/dev/zero of=$1 bs=256k conv=notrunc >/dev/null 2>&1
105 function wipe() # $1 pass
108 wipe_dev /dev/mapper/$DEV_NAME
109 udevadm settle >/dev/null 2>&1
110 $CRYPTSETUP luksClose $DEV_NAME || fail
113 function prepare() # $1 dev1_siz
117 dd if=/dev/zero of=$IMG bs=1k count=$1 >/dev/null 2>&1
119 if [ ! -e $KEY1 ]; then
120 dd if=/dev/urandom of=$KEY1 count=1 bs=32 >/dev/null 2>&1
124 function check_hash_dev() # $1 dev, $2 hash, $3 size
127 HASH=$(head -c $3 $1 | sha256sum | cut -d' ' -f 1)
129 HASH=$(sha256sum $1 | cut -d' ' -f 1)
131 [ $HASH != "$2" ] && fail "HASH differs ($HASH)"
134 function check_hash() # $1 pwd, $2 hash, $3 hdr
137 check_hash_dev /dev/mapper/$DEV_NAME $2
138 $CRYPTSETUP remove $DEV_NAME || fail
141 function backup_orig()
153 function check_slot() #space separated list of active key slots
155 local _out=$($CRYPTSETUP luksDump $IMG | grep -e ": luks2" | sed -e 's/[[:space:]]*\([0-9]\+\):.*/\1/g')
171 test "$_req" = "$_hdr"
174 function simple_scsi_reenc()
177 echo $PWD1 | $CRYPTSETUP luksFormat --type luks2 $FAST_PBKDF_ARGON $SCSI_DEV || fail
179 echo $PWD1 | $CRYPTSETUP luksOpen $SCSI_DEV $DEV_NAME || fail
180 HASH=$(sha256sum /dev/mapper/$DEV_NAME | cut -d' ' -f 1)
181 $CRYPTSETUP luksClose $DEV_NAME || fail
183 echo $PWD1 | $REENC -q $FAST_PBKDF_ARGON $SCSI_DEV || fail
185 echo $PWD1 | $CRYPTSETUP luksOpen $SCSI_DEV $DEV_NAME || fail
186 check_hash_dev /dev/mapper/$DEV_NAME $HASH
187 $CRYPTSETUP luksClose $DEV_NAME || fail
190 function mount_and_test() {
191 test -d $MNT_DIR || mkdir -p $MNT_DIR
192 mount $@ $MNT_DIR 2>/dev/null || {
193 echo -n "failed to mount [SKIP]"
196 rm $MNT_DIR/* 2>/dev/null
199 if [ "${REENC:0:1}" != "/" ] ; then
200 MNT_REENC=$START_DIR/$REENC
204 echo $PWD2 | $MNT_REENC $START_DIR/$IMG -q --use-fsync --use-directio --write-log $FAST_PBKDF_ARGON || return 1
210 function test_logging_tmpfs() {
212 mount_and_test -t tmpfs none -o size=$[25*1024*1024] || return 1
216 function test_logging() {
218 for img in $(ls img_fs*img.xz) ; do
219 wipefs -a $SCSI_DEV > /dev/null
220 echo -n "[${img%.img.xz}]"
221 xz -d -c $img | dd of=$SCSI_DEV bs=4k >/dev/null 2>&1
222 mount_and_test $SCSI_DEV || return 1
227 [ $(id -u) != 0 ] && skip "WARNING: You must be root to run this test, test skipped."
228 [ ! -x "$REENC" ] && skip "Cannot find $REENC, test skipped."
229 which wipefs >/dev/null || skip "Cannot find wipefs, test skipped."
230 fips_mode && skip "This test cannot be run in FIPS mode."
234 HASH1=b69dae56a14d1a8314ed40664c4033ea0a550eea2673e04df42a66ac6b9faf2c
235 HASH4=2daeb1f36095b44b318410b3f4e8b5d989dcc7bb023d1426c492dab0a3053e74
236 HASH5=bb9f8df61474d25e71fa00722318cd387396ca1736605e1248821cc0de3d3af8
237 HASH6=4d9cbaf3aa0935a8c113f139691b3daf9c94c8d6c278aedc8eec66a4b9f6c8ae
238 HASH7=5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef
240 echo "[1] Reencryption"
242 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 -s 128 -c aes-cbc-plain $FAST_PBKDF_ARGON --offset 8192 $IMG || fail
244 check_hash $PWD1 $HASH5
245 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_ARGON
246 check_hash $PWD1 $HASH5
247 echo $PWD1 | $REENC $IMG -q -s 256 $FAST_PBKDF_ARGON
248 check_hash $PWD1 $HASH5
249 echo $PWD1 | $REENC $IMG -q -s 256 -c aes-xts-plain64 -h sha256 $FAST_PBKDF_ARGON
250 check_hash $PWD1 $HASH5
251 echo $PWD1 | $REENC $IMG -q --use-directio $FAST_PBKDF_ARGON
252 check_hash $PWD1 $HASH5
253 echo $PWD1 | $REENC $IMG -q --master-key-file /dev/urandom $FAST_PBKDF_ARGON
254 check_hash $PWD1 $HASH5
255 echo $PWD1 | $REENC $IMG -q -s 512 --master-key-file /dev/urandom $FAST_PBKDF_ARGON
256 check_hash $PWD1 $HASH5
257 $CRYPTSETUP luksDump $IMG | grep -q "luks2" > /dev/null || fail
258 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 -s 128 --luks2-metadata-size 128k -c aes-cbc-plain $FAST_PBKDF_ARGON --offset 8192 $IMG > /dev/null || fail
260 check_hash $PWD1 $HASH5
261 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_ARGON > /dev/null || fail
262 check_hash $PWD1 $HASH5
263 MDA_SIZE=$($CRYPTSETUP luksDump $IMG | grep "Metadata area: " | cut -f 3 -d ' ')
264 test "$MDA_SIZE" -eq 131072 || fail "Unexpected Metadata area size $MDA_SIZE"
266 echo "[2] Reencryption with data shift"
267 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 -c aes-cbc-essiv:sha256 -s 128 $FAST_PBKDF_ARGON --offset 8192 $IMG || fail
269 echo $PWD1 | $REENC $IMG -q -s 256 --reduce-device-size 1024S $FAST_PBKDF_ARGON || fail
270 check_hash $PWD1 $HASH6
271 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_ARGON || fail
272 check_hash $PWD1 $HASH6
273 $CRYPTSETUP luksDump $IMG | grep -q "luks2" > /dev/null || fail
275 echo "[3] Reencryption with keyfile"
276 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 -d $KEY1 -c aes-cbc-essiv:sha256 -s 128 $FAST_PBKDF_ARGON --offset 8192 $IMG || fail
279 echo $PWD1 | $CRYPTSETUP -q luksAddKey -d $KEY1 $IMG $FAST_PBKDF_ARGON || fail
280 $REENC $IMG -d $KEY1 $FAST_PBKDF_ARGON -q 2>/dev/null && fail
281 $REENC $IMG -d $KEY1 -S 0 $FAST_PBKDF_ARGON -q || fail
283 check_slot 0 || fail "Only keyslot 0 expected to be enabled"
284 $REENC $IMG -d $KEY1 $FAST_PBKDF_ARGON -q || fail
285 $CRYPTSETUP luksDump $IMG | grep -q "luks2" > /dev/null || fail
286 # FIXME echo $PWD1 | $REENC ...
288 echo "[4] Encryption of not yet encrypted device"
289 # well, movin' zeroes :-)
290 OFFSET=8192 # default LUKS2 header size
292 check_hash_dev $IMG $HASH4
293 echo $PWD1 | $REENC --type luks2 $IMG -c aes-cbc-essiv:sha256 -s 128 --new --reduce-device-size "$OFFSET"S -q $FAST_PBKDF_ARGON || fail
294 check_hash $PWD1 $HASH5
295 $CRYPTSETUP luksDump $IMG | grep -q "luks2" > /dev/null || fail
299 check_hash_dev $IMG $HASH7 1024
300 echo $PWD1 | $REENC --type luks2 $IMG -c aes-cbc-essiv:sha256 -s 128 --new --reduce-device-size "$OFFSET"S -q $FAST_PBKDF_ARGON || fail
301 check_hash $PWD1 $HASH7
302 $CRYPTSETUP --type luks2 luksDump $IMG > /dev/null || fail
305 echo "[5] Reencryption using specific keyslot"
306 echo $PWD2 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
307 echo -e "$PWD2\n$PWD1" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 1 $IMG || fail
308 echo -e "$PWD2\n$PWD2" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 2 $IMG || fail
309 echo -e "$PWD2\n$PWD1" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 3 $IMG || fail
310 echo -e "$PWD2\n$PWD2" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 4 $IMG || fail
311 echo -e "$PWD2\n$PWD1" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 5 $IMG || fail
312 echo -e "$PWD2\n$PWD2" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 6 $IMG || fail
313 echo -e "$PWD2\n$PWD3" | $CRYPTSETUP -q luksAddKey $FAST_PBKDF_ARGON -S 22 $IMG || fail
315 echo $PWD2 | $REENC $FAST_PBKDF_ARGON -S 0 -q $IMG || fail
316 check_slot 0 || fail "Only keyslot 0 expected to be enabled"
319 echo $PWD1 | $REENC $FAST_PBKDF_ARGON -S 1 -q $IMG || fail
320 check_slot 1 || fail "Only keyslot 1 expected to be enabled"
323 echo $PWD2 | $REENC $FAST_PBKDF_ARGON -S 6 -q $IMG || fail
324 check_slot 6 || fail "Only keyslot 6 expected to be enabled"
327 echo $PWD3 | $REENC $FAST_PBKDF_ARGON -S 22 -q $IMG || fail
328 check_slot 22 || fail "Only keyslot 22 expected to be enabled"
332 echo "[6] Reencryption using all active keyslots"
333 echo -e "$PWD2\n$PWD1\n$PWD2\n$PWD1\n$PWD2\n$PWD1\n$PWD2\n$PWD3" | $REENC -q $IMG $FAST_PBKDF_ARGON || fail
334 check_slot 0 1 2 3 4 5 6 22 || fail "All keyslots expected to be enabled"
336 echo "[7] Reencryption of block devices with different block size"
337 add_scsi_device sector_size=512 dev_size_mb=32
338 simple_scsi_reenc "[512 sector]"
339 add_scsi_device sector_size=4096 dev_size_mb=32
340 simple_scsi_reenc "[4096 sector]"
341 add_scsi_device sector_size=512 physblk_exp=3 dev_size_mb=32
342 simple_scsi_reenc "[4096/512 sector]"
345 echo "[8] Header only reencryption (hash and iteration time)"
346 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
348 check_hash $PWD1 $HASH5
349 echo $PWD1 | $REENC $IMG -q --keep-key || fail
350 check_hash $PWD1 $HASH5
351 echo $PWD1 | $REENC $IMG -q --keep-key --pbkdf pbkdf2 --pbkdf-force-iterations 999 2>/dev/null && fail
352 check_hash $PWD1 $HASH5
353 echo $PWD1 | $REENC $IMG -q --keep-key --pbkdf-force-iterations 3 2>/dev/null && fail
354 check_hash $PWD1 $HASH5
355 echo $PWD1 | $REENC $IMG -q --keep-key --pbkdf-force-iterations 4 --pbkdf-memory 31 2>/dev/null && fail
356 check_hash $PWD1 $HASH5
357 echo $PWD1 | $REENC $IMG -q --keep-key --pbkdf pbkdf2 --pbkdf-force-iterations 1000 --hash sha512
358 check_hash $PWD1 $HASH5
359 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep PBKDF: | sed -e 's/[[:space:]]\+PBKDF:\ \+//g')" = "pbkdf2" ] || fail
360 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep Hash: | sed -e 's/[[:space:]]\+Hash:\ \+//g')" = "sha512" ] || fail
361 echo $PWD1 | $REENC $IMG -q --keep-key $FAST_PBKDF_ARGON
362 check_hash $PWD1 $HASH5
363 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep PBKDF: | sed -e 's/[[:space:]]\+PBKDF:\ \+//g')" = $DEFAULT_ARGON ] || fail
364 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep "Time cost" | sed -e 's/[[:space:]]\+Time\ cost:\ \+//g')" -eq 4 ] || fail
365 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep Memory | sed -e 's/[[[:space:]]\+Memory:\ \+//g')" -eq 32 ] || fail
366 [ "$($CRYPTSETUP luksDump $IMG | grep -A8 -m1 "0: luks2" | grep Threads | sed -e 's/[[[:space:]]\+Threads:\ \+//g')" -eq 1 ] || fail
367 echo -e "$PWD1\n$PWD2" | $CRYPTSETUP -q luksAddKey -S21 $FAST_PBKDF_ARGON $IMG || fail
368 echo $PWD2 | $REENC -S21 -q --keep-key --pbkdf pbkdf2 --pbkdf-force-iterations 1000 $IMG || fail
369 check_hash $PWD2 $HASH5
370 check_slot 21 || fail "Only keyslot 21 expected to be enabled"
371 $CRYPTSETUP luksDump $IMG | grep -q "luks2" > /dev/null || fail
373 echo "[9] Test log I/Os on various underlaying block devices"
374 echo $PWD2 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
375 add_scsi_device sector_size=512 dev_size_mb=32
376 test_logging "[512 sector]" || fail
377 add_scsi_device sector_size=4096 dev_size_mb=32
378 test_logging "[4096 sector]" || fail
379 add_scsi_device sector_size=512 dev_size_mb=32 physblk_exp=3
380 test_logging "[4096/512 sector]" || fail
381 test_logging_tmpfs || fail
383 echo "[10] Removal of encryption"
384 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
386 check_hash $PWD1 $HASH5
387 echo $PWD1 | $REENC $IMG -q --decrypt || fail
388 check_hash_dev $IMG $HASH4
390 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 -S5 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
392 check_hash $PWD1 $HASH5
393 echo $PWD1 | $REENC $IMG -q --decrypt || fail
394 check_hash_dev $IMG $HASH4
396 echo "[11] Reencryption with tokens"
397 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
399 check_hash $PWD1 $HASH5
400 echo -e "$PWD1\n$PWD2" | $CRYPTSETUP -q luksAddKey -S23 $FAST_PBKDF_ARGON $IMG || fail
401 echo -e "$PWD1\n$PWD3" | $CRYPTSETUP -q luksAddKey -S1 $FAST_PBKDF_ARGON $IMG || fail
402 echo -e "$PWD1\n$PWD3" | $CRYPTSETUP -q luksAddKey -S3 $FAST_PBKDF_ARGON $IMG || fai
403 $CRYPTSETUP token add --key-description key-name0 --key-slot 23 --token-id 0 $IMG
404 $CRYPTSETUP token add --key-description key-name2 --key-slot 1 --token-id 2 $IMG
405 $CRYPTSETUP token add --key-description key-name31 --token-id 31 $IMG
406 echo $PWD1 | $CRYPTSETUP -q luksKillSlot $IMG 3 || fail
407 echo $PWD2 | $REENC $FAST_PBKDF_ARGON -S 23 -q $IMG || fail
408 $CRYPTSETUP luksDump $IMG | grep "0: luks2-keyring" >/dev/null || fail
409 [ "$($CRYPTSETUP luksDump $IMG | grep -A2 -m1 "0: luks2-keyring" | grep Keyslot: | sed -e 's/[[[:space:]]\+Keyslot:\ \+//g')" -eq 23 ] || fail
410 $CRYPTSETUP luksDump $IMG | grep "2: luks2-keyring" >/dev/null || fail
411 $CRYPTSETUP luksDump $IMG | grep "31: luks2-keyring" >/dev/null || fail
412 [ "$($CRYPTSETUP luksDump $IMG | grep -A2 -m1 "31: luks2-keyring" | grep Keyslot: | sed -e 's/[[[:space:]]\+Keyslot:\ \+//g')" -eq 23 ] || fail
414 echo "[12] Reencryption with persistent flags"
416 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
418 check_hash $PWD1 $HASH5
419 echo $PWD1 | $CRYPTSETUP open $IMG $DEV_NAME $ALLOW_DISCARDS $PERF_CPU --persistent || fail
420 $CRYPTSETUP close $DEV_NAME || fail
421 echo $PWD1 | $REENC $FAST_PBKDF_ARGON -q $IMG || fail
422 if [ -n "$PERF_CPU" ]; then
423 $CRYPTSETUP luksDump $IMG | grep -m1 Flags: | grep same-cpu-crypt > /dev/null || fail
425 if [ -n "$ALLOW_DISCARDS" ]; then
426 $CRYPTSETUP luksDump $IMG | grep -m1 Flags: | grep allow-discards > /dev/null || fail
429 echo "[13] Detached header - adding encryption/reencryption/decryption"
431 check_hash_dev $IMG $HASH4
432 echo $PWD1 | $REENC --type luks2 $IMG -q $FAST_PBKDF_ARGON --header $IMG_HDR --new
433 check_hash $PWD1 $HASH4 $IMG_HDR
434 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_ARGON --header $IMG_HDR
435 check_hash $PWD1 $HASH4 $IMG_HDR
436 echo $PWD1 | $REENC $IMG -q --header $IMG_HDR --decrypt
437 check_hash_dev $IMG $HASH4
438 # existing header of zero size
439 cat /dev/null >$IMG_HDR
440 echo $PWD1 | $REENC --type luks2 $IMG -q $FAST_PBKDF_ARGON --header $IMG_HDR --new
441 check_hash $PWD1 $HASH4 $IMG_HDR
442 $CRYPTSETUP isLuks $IMG && fail
443 $CRYPTSETUP isLuks $IMG_HDR || fail
444 $CRYPTSETUP luksDump $IMG_HDR | grep -q "0: luks2" || fail
446 echo "[14] Reencryption with unbound keyslot"
448 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_ARGON $IMG --offset 8192 || fail
449 echo $PWD2 | $CRYPTSETUP -q luksAddKey -S 3 --unbound --key-size 64 $FAST_PBKDF_ARGON $IMG || fail
451 check_hash $PWD1 $HASH5
452 $CRYPTSETUP luksDump $IMG | grep -q "3: luks2 (unbound)" || fail
453 echo $PWD2 | $REENC $IMG -q $FAST_PBKDF_ARGON 2>/dev/null && fail
454 echo -e "$PWD1\n$PWD2" | $REENC $IMG -q $FAST_PBKDF_ARGON || fail
455 $CRYPTSETUP luksDump $IMG | grep -q "3: luks2 (unbound)" || fail
457 echo "[15] Reencryption after conversion"
459 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks1 $FAST_PBKDF_PBKDF2 $IMG --offset 4096 || fail
461 check_hash $PWD1 $HASH1
462 $CRYPTSETUP -q convert --type luks2 $IMG || fail
463 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_PBKDF2 || fail
464 check_hash $PWD1 $HASH1
465 echo $PWD1 | $CRYPTSETUP -q luksFormat --type luks2 $FAST_PBKDF_PBKDF2 $IMG --offset 8192 || fail
467 check_hash $PWD1 $HASH5
468 $CRYPTSETUP -q convert --type luks1 $IMG || fail
469 echo $PWD1 | $REENC $IMG -q $FAST_PBKDF_PBKDF2 || fail
470 check_hash $PWD1 $HASH5