root@i7-2700k:/tmp# unlzma -k debian_wheezy2sulu_armhf.img.lzma 
root@i7-2700k:/tmp# md5sum debian_wheezy2sulu_armhf.img*
07490006e902bd932cfca99df6b49b2a  debian_wheezy2sulu_armhf.img
c0f6f1c5f8d398229cb0852e9986e704  debian_wheezy2sulu_armhf.img.lzma
root@i7-2700k:/tmp# mount -o loop debian_wheezy2sulu_armhf.img /mnt
root@i7-2700k:/tmp# ls -l /mnt/etc/group
-rw-r--r-- 1 root root 550 Jan  3 21:30 /mnt/etc/group
root@i7-2700k:/tmp# cat /mnt/etc/group
root:x:0:
daemon:x:1:
bin:x:2:
sys:x:3:
adm:x:4:
tty:x:5:
disk:x:6:
lp:x:7:
mail:x:8:
news:x:9:
uucp:x:10:
man:x:12:
proxy:x:13:
kmem:x:15:
dialout:x:20:
fax:x:21:
voice:x:22:
cdrom:x:24:
floppy:x:25:
tape:x:26:
sudo:x:27:user
audio:x:29:pulse
dip:x:30:
www-data:x:33:
backup:x:34:
operator:x:37:
list:x:38:
irc:x:39:
src:x:40:
gnats:x:41:
shadow:x:42:
utmp:x:43:
video:x:44:
sasl:x:45:
plugdev:x:46:
staff:x:50:
games:x:60:
users:x:100:
nogroup:x:65534:
libuuid:x:101:
crontab:x:102:
messagebus:x:103:
pulse:x:104:
pulse-access:x:105:
user:x:29999: