3 CRYPTSETUP=../src/cryptsetup
5 # try to validate using loop-AES losetup/kernel if available
6 LOSETUP_AES=/losetup-aes.old
8 LOOP_DD_PARAM="bs=1k count=10000"
14 LOOPDEV=$(losetup -f 2>/dev/null)
16 function dmremove() { # device
17 udevadm settle >/dev/null 2>&1
18 dmsetup remove $1 >/dev/null 2>&1
21 function remove_mapping()
23 [ -b /dev/mapper/$DEV_NAME2 ] && dmremove $DEV_NAME2
24 [ -b /dev/mapper/$DEV_NAME ] && dmremove $DEV_NAME
25 losetup -d $LOOPDEV >/dev/null 2>&1
26 rm -f $IMG $KEYv1 $KEYv2 $KEYv3 >/dev/null 2>&1
38 [ -n "$1" ] && echo "$1"
45 dd if=/dev/zero of=$IMG $LOOP_DD_PARAM >/dev/null 2>&1
49 # Prepare raw key: v1 - one key, v2 - 64 keys, v3 - 64 + one IV
50 if [ ! -e $KEYv3 ]; then
51 head -c 3705 /dev/urandom | uuencode -m - | head -n 66 | tail -n 65 >$KEYv3
52 head -n 1 $KEYv3 > $KEYv1
53 head -n 64 $KEYv3 > $KEYv2
55 [ -n "$1" ] && echo -n "$1 "
58 function check_exists()
60 [ -b /dev/mapper/$DEV_NAME ] || fail
63 function get_offset_params() # $offset
66 if [ "${offset:0:1}" = "@" ] ; then
67 echo "-o $((${offset:1} / 512)) -p 0"
69 echo "-o $((offset / 512))"
73 function get_expsum() # $offset
77 echo "31e00e0e4c233c89051cd748122fde2c98db0121ca09ba93a3820817ea037bc5"
80 echo "bfd94392d1dd8f5d477251d21b3c736e177a4945cd4937847fc7bace82996aed"
83 echo "33838fe36928a929bd7971bed7e82bd426c88193fcd692c2e6f1b9c9bfecd4d6"
90 function check_sum() # $key $keysize $offset
92 # Fill device with zeroes and reopen it
93 dd if=/dev/zero of=/dev/mapper/$DEV_NAME bs=1k $LOOP_DD_PARAM >/dev/null 2>&1
97 EXPSUM=$(get_expsum $3)
98 $CRYPTSETUP loopaesOpen $LOOPDEV $DEV_NAME -s $2 --key-file $1 $(get_offset_params $3) >/dev/null 2>&1
100 VSUM=$(sha256sum /dev/mapper/$DEV_NAME | cut -d' ' -f 1)
101 if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
105 echo " Expecting $EXPSUM got $VSUM."
110 function check_sum_losetup() # $key $alg
112 [ ! -x $LOSETUP_AES ] && echo && return
114 echo -n " Verification using loop-AES: "
116 losetup -d $LOOPDEV >/dev/null 2>&1
117 cat $1 | $LOSETUP_AES -p 0 -e $2 -o $3 $LOOPDEV $IMG
119 VSUM=$(sha256sum $LOOPDEV | cut -d' ' -f 1)
120 if [ $ret -eq 0 -a "$VSUM" = "$EXPSUM" ] ; then
124 echo " Expecting $EXPSUM got $VSUM (loop-AES)."
127 losetup -d $LOOPDEV >/dev/null 2>&1
130 function check_version()
132 VER_STR=$(dmsetup version | grep Driver)
133 VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
134 VER_PATCH=$(echo $VER_STR | cut -f 3 -d.)
136 test $VER_MIN -lt 19 && return 1
137 test $VER_MIN -eq 19 -a $VER_PATCH -ge 6 && return 1 # RHEL
141 [ $(id -u) != 0 ] && skip "WARNING: You must be root to run this test, test skipped."
142 [ -z "$LOOPDEV" ] && skip "Cannot find free loop device, test skipped."
143 which uuencode >/dev/null || skip "WARNING: test require uuencode binary, test skipped."
144 check_version || skip "Probably old kernel, test skipped."
148 KEY_FILES="$KEYv1 $KEYv2 $KEYv3"
149 DEV_OFFSET="0 8192 @8192 8388608 @8388608"
151 for key_size in $KEY_SIZES ; do
152 for key in $KEY_FILES ; do
153 for offset in $DEV_OFFSET ; do
154 prepare "Open loop-AES $key / AES-$key_size / offset $offset"
155 $CRYPTSETUP loopaesOpen $LOOPDEV $DEV_NAME -s $key_size --key-file $key $(get_offset_params $offset) || fail
157 check_sum $key $key_size $offset
158 $CRYPTSETUP loopaesClose $DEV_NAME || fail
159 check_sum_losetup $key AES$key_size $offset