CRYPTSETUP=../src/cryptsetup
-# try to validate using loop-aes losetup/kernel if available
-LOSETUP_AES=/losetup-aes
+# try to validate using loop-AES losetup/kernel if available
+LOSETUP_AES=/losetup-aes.old
LOOP_DD_PARAM="bs=1k count=10000"
-EXPSUM="31e00e0e4c233c89051cd748122fde2c98db0121ca09ba93a3820817ea037bc5"
DEV_NAME=dummy
IMG=loopaes.img
KEYv1=key_v1
LOOPDEV=$(losetup -f 2>/dev/null)
function dmremove() { # device
- udevadm settle 2>/dev/null 2>&1
- dmsetup remove $1 2>/dev/null 2>&1
+ udevadm settle >/dev/null 2>&1
+ dmsetup remove $1 >/dev/null 2>&1
}
function remove_mapping()
[ -b /dev/mapper/$DEV_NAME ] || fail
}
-function check_sum() # $key $keysize
+function get_offset_params() # $offset
{
- # Fill device with zeroes and reopen it
- dd if=/dev/zero of=/dev/mapper/$DEV_NAME bs=1k $LOOP_DD_PARAM >/dev/null 2>&1
- sync
- dmremove $DEV_NAME
-
- $CRYPTSETUP loopaesOpen $DEV_NAME $LOOPDEV -s $2 --key-file $1 >/dev/null 2>&1
- ret=$?
- VSUM=$(sha256sum /dev/mapper/$DEV_NAME | cut -d' ' -f 1)
- if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
- echo -n "[OK]"
- else
- echo "[FAIL]"
- echo " Expecting $EXPSUM got $VSUM."
- fail
- fi
+ offset=$1
+ if [ "${offset:0:1}" = "@" ] ; then
+ echo "-o $((${offset:1} / 512)) -p 0"
+ else
+ echo "-o $((offset / 512))"
+ fi
+}
+
+function get_expsum() # $offset
+{
+ case $1 in
+ 0)
+ echo "31e00e0e4c233c89051cd748122fde2c98db0121ca09ba93a3820817ea037bc5"
+ ;;
+ @8192 | 8192)
+ echo "bfd94392d1dd8f5d477251d21b3c736e177a4945cd4937847fc7bace82996aed"
+ ;;
+ @8388608 | 8388608)
+ echo "33838fe36928a929bd7971bed7e82bd426c88193fcd692c2e6f1b9c9bfecd4d6"
+ ;;
+ *) fail
+ ;;
+ esac
+}
+
+function check_sum() # $key $keysize $offset
+{
+ # Fill device with zeroes and reopen it
+ dd if=/dev/zero of=/dev/mapper/$DEV_NAME bs=1k $LOOP_DD_PARAM >/dev/null 2>&1
+ sync
+ dmremove $DEV_NAME
+
+ EXPSUM=$(get_expsum $3)
+ $CRYPTSETUP loopaesOpen $LOOPDEV $DEV_NAME -s $2 --key-file $1 $(get_offset_params $3) >/dev/null 2>&1
+ ret=$?
+ VSUM=$(sha256sum /dev/mapper/$DEV_NAME | cut -d' ' -f 1)
+ if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
+ echo -n "[OK]"
+ else
+ echo "[FAIL]"
+ echo " Expecting $EXPSUM got $VSUM."
+ fail
+ fi
}
function check_sum_losetup() # $key $alg
{
[ ! -x $LOSETUP_AES ] && echo && return
- echo -n " Verification using Loop-AES: "
+ echo -n " Verification using loop-AES: "
losetup -d $LOOPDEV >/dev/null 2>&1
- cat $1 | $LOSETUP_AES -p 0 -e $2 $LOOPDEV $IMG
- ret=$?
- VSUM=$(sha256sum $LOOPDEV | cut -d' ' -f 1)
- if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
- echo "[OK]"
- else
- echo "[FAIL]"
- echo " Expecting $EXPSUM got $VSUM (loop-aes)."
- fail
- fi
+ cat $1 | $LOSETUP_AES -p 0 -e $2 -o $3 $LOOPDEV $IMG
+ ret=$?
+ VSUM=$(sha256sum $LOOPDEV | cut -d' ' -f 1)
+ if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
+ echo "[OK]"
+ else
+ echo "[FAIL]"
+ echo " Expecting $EXPSUM got $VSUM (loop-AES)."
+ fail
+ fi
losetup -d $LOOPDEV >/dev/null 2>&1
}
which uuencode >/dev/null || skip "WARNING: test require uuencode binary, test skipped."
check_version || skip "Probably old kernel, test skipped."
-# Loop-AES tests
+# loop-AES tests
KEY_SIZES="128 256"
KEY_FILES="$KEYv1 $KEYv2 $KEYv3"
+DEV_OFFSET="0 8192 @8192 8388608 @8388608"
for key_size in $KEY_SIZES ; do
- for key in $KEY_FILES ; do
- prepare "Open Loop-AES $key / AES-$key_size"
- $CRYPTSETUP loopaesOpen $DEV_NAME $LOOPDEV -s $key_size --key-file $key || fail
+ for key in $KEY_FILES ; do
+ for offset in $DEV_OFFSET ; do
+ prepare "Open loop-AES $key / AES-$key_size / offset $offset"
+ $CRYPTSETUP loopaesOpen $LOOPDEV $DEV_NAME \
+ -s $key_size --key-file $key $(get_offset_params $offset) \
+ 2>/dev/null
+ [ $? -ne 0 ] && echo "[SKIPPED]" && continue
check_exists
- check_sum $key $key_size
+ check_sum $key $key_size $offset
$CRYPTSETUP loopaesClose $DEV_NAME || fail
- check_sum_losetup $key AES$key_size
+ check_sum_losetup $key AES$key_size $offset
done
+ done
done
remove_mapping