231 lines
6.2 KiB
Bash
Executable file
231 lines
6.2 KiB
Bash
Executable file
#!/bin/bash
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#
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# Test mode compatibility, check input + kernel and cryptsetup cipher status
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#
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[ -z "$CRYPTSETUP_PATH" ] && CRYPTSETUP_PATH=".."
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CRYPTSETUP=$CRYPTSETUP_PATH/cryptsetup
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DEV_NAME=dmc_test
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HEADER_IMG=mode-test.img
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PASSWORD=3xrododenron
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PASSWORD1=$PASSWORD
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KEY="7c0dc5dfd0c9191381d92e6ebb3b29e7f0dba53b0de132ae23f5726727173540"
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FAST_PBKDF2="--pbkdf pbkdf2 --pbkdf-force-iterations 1000"
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# cipher-chainmode-ivopts:ivmode
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CIPHERS="aes twofish serpent"
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MODES="cbc lrw xts"
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IVMODES="null benbi plain plain64 essiv:sha256"
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LOOPDEV=$(losetup -f 2>/dev/null)
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if [ -n "$CRYPTSETUP_TESTS_RUN_IN_MESON" ]; then
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CRYPTSETUP_VALGRIND=$CRYPTSETUP
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else
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CRYPTSETUP_VALGRIND=../.libs/cryptsetup
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CRYPTSETUP_LIB_VALGRIND=../.libs
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fi
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dmremove() { # device
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udevadm settle >/dev/null 2>&1
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dmsetup remove --retry $1 >/dev/null 2>&1
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}
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cleanup() {
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[ -b /dev/mapper/"$DEV_NAME"_tstdev ] && dmremove "$DEV_NAME"_tstdev
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[ -b /dev/mapper/$DEV_NAME ] && dmremove $DEV_NAME
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losetup -d $LOOPDEV >/dev/null 2>&1
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rm -f $HEADER_IMG >/dev/null 2>&1
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}
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fail()
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{
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[ -n "$1" ] && echo "$1"
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echo "FAILED backtrace:"
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while caller $frame; do ((frame++)); done
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cleanup
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exit 100
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}
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skip()
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{
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[ -n "$1" ] && echo "$1"
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exit 77
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}
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function dm_crypt_capi_support()
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{
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VER_STR=$(dmsetup targets | grep crypt | cut -f2 -dv)
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[ -z "$VER_STR" ] && fail "Failed to parse dm-crypt version."
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VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
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VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
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VER_PTC=$(echo $VER_STR | cut -f 3 -d.)
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if [ $VER_MIN -ge 16 ]; then
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return 0
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fi
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return 1
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}
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function valgrind_setup()
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{
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command -v valgrind >/dev/null || fail "Cannot find valgrind."
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[ ! -f $CRYPTSETUP_VALGRIND ] && fail "Unable to get location of cryptsetup executable."
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[ ! -f valg.sh ] && fail "Unable to get location of valg runner script."
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if [ -z "$CRYPTSETUP_TESTS_RUN_IN_MESON" ]; then
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export LD_LIBRARY_PATH="$CRYPTSETUP_LIB_VALGRIND:$LD_LIBRARY_PATH"
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fi
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}
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function valgrind_run()
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{
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INFOSTRING="$(basename ${BASH_SOURCE[1]})-line-${BASH_LINENO[0]}" ./valg.sh ${CRYPTSETUP_VALGRIND} "$@"
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}
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add_device() {
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cleanup
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dd if=/dev/zero of=$HEADER_IMG bs=1M count=6 >/dev/null 2>&1
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sync
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losetup $LOOPDEV $HEADER_IMG >/dev/null 2>&1
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dmsetup create $DEV_NAME --table "0 10240 linear $LOOPDEV 8" >/dev/null 2>&1
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}
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dmcrypt_check() # device outstring
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{
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X=$(dmsetup table $1 2>/dev/null | sed 's/.*: //' | cut -d' ' -f 4)
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if [ "$X" = $2 ] ; then
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echo -n "[table OK]"
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else
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echo "[table FAIL]"
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echo " Expecting $2 got $X."
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fail
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fi
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X=$($CRYPTSETUP status $1 | grep cipher: | sed s/\.\*cipher:\\s*//)
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if [ $X = $2 ] ; then
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echo -n "[status OK]"
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else
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echo "[status FAIL]"
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echo " Expecting $2 got \"$X\"."
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fail
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fi
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dmremove $1
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}
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dmcrypt_check_sum() # cipher device
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{
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EXPSUM="c036cbb7553a909f8b8877d4461924307f27ecb66cff928eeeafd569c3887e29"
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# Fill device with zeroes and reopen it
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dd if=/dev/zero of=/dev/mapper/$2 bs=1M count=6 >/dev/null 2>&1
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sync
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dmremove $2
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 $2 /dev/mapper/$DEV_NAME >/dev/null 2>&1
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ret=$?
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VSUM=$(sha256sum /dev/mapper/$2 | cut -d' ' -f 1)
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if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
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echo -n "[OK]"
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else
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echo "[FAIL]"
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echo " Expecting $EXPSUM got $VSUM."
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fail
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fi
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dmremove $2
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}
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dmcrypt()
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{
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OUT=$2
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[ -z "$OUT" ] && OUT=$1
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printf "%-31s" "$1"
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME >/dev/null 2>&1
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if [ $? -eq 0 ] ; then
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echo -n -e "PLAIN:"
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dmcrypt_check "$DEV_NAME"_tstdev $OUT
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else
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echo -n "[N/A]"
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fi
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echo $PASSWORD | $CRYPTSETUP luksFormat --type luks1 $FAST_PBKDF2 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
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if [ $? -eq 0 ] ; then
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echo -n -e " LUKS1:"
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echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1 || fail
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dmcrypt_check "$DEV_NAME"_tstdev $OUT
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fi
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echo $PASSWORD | $CRYPTSETUP luksFormat --type luks2 --pbkdf pbkdf2 $FAST_PBKDF2 -c $1 -s 256 --offset 8192 /dev/mapper/$DEV_NAME >/dev/null 2>&1
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if [ $? -eq 0 ] ; then
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echo -n -e " LUKS2:"
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echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1 || fail
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dmcrypt_check "$DEV_NAME"_tstdev $OUT
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fi
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# repeated device creation must return the same checksum
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c $1 -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME >/dev/null 2>&1
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if [ $? -eq 0 ] ; then
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echo -n -e " CHECKSUM:"
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dmcrypt_check_sum "$1" "$DEV_NAME"_tstdev
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fi
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echo
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}
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[ $(id -u) != 0 ] && skip "WARNING: You must be root to run this test, test skipped."
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[ -z "$LOOPDEV" ] && skip "Cannot find free loop device, test skipped."
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[ ! -x "$CRYPTSETUP" ] && skip "Cannot find $CRYPTSETUP, test skipped."
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[ -n "$VALG" ] && valgrind_setup && CRYPTSETUP=valgrind_run
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add_device
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# compatibility modes
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dmcrypt aes aes-cbc-plain
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dmcrypt aes-plain aes-cbc-plain
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# empty cipher
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PASSWORD=""
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dmcrypt null cipher_null-ecb
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dmcrypt cipher_null cipher_null-ecb
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dmcrypt cipher_null-ecb
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PASSWORD=$PASSWORD1
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# codebook doesn't support IV at all
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for cipher in $CIPHERS ; do
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dmcrypt "$cipher-ecb"
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done
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for cipher in $CIPHERS ; do
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for mode in $MODES ; do
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for ivmode in $IVMODES ; do
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dmcrypt "$cipher-$mode-$ivmode"
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done
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done
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done
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dmcrypt xchacha12,aes-adiantum-plain64
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dmcrypt xchacha20,aes-adiantum-plain64
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dmcrypt aes-hctr2-plain64
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echo -n "CAPI format:"
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if dm_crypt_capi_support ; then
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c 'capi:xts(aes)-plain64' -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME || fail
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$CRYPTSETUP close "$DEV_NAME"_tstdev || fail
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c 'capi:xts(ecb(aes-generic))-plain64' -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME 2>/dev/null && fail
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dmsetup create "$DEV_NAME"_tstdev --table "0 8 crypt capi:xts(ecb(aes-generic))-plain64 $KEY 0 /dev/mapper/$DEV_NAME 0" || fail
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$CRYPTSETUP status "$DEV_NAME"_tstdev 2>/dev/null | grep "type:" | grep -q "n/a" || fail
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$CRYPTSETUP close "$DEV_NAME"_tstdev 2>/dev/null || fail
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# Do not confuse aes-plain with capi:xts(plain)-plain
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echo $PASSWORD | $CRYPTSETUP create -h sha256 -c 'capi:xts(aes)-plain' -s 256 "$DEV_NAME"_tstdev /dev/mapper/$DEV_NAME || fail
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$CRYPTSETUP close "$DEV_NAME"_tstdev || fail
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echo [OK]
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else
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echo [N/A]
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fi
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cleanup
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exit 0
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