root@armadillo:~# dd if=/dev/mmcblk1 bs=1M iflag=count_bytes count=2 | md5sum

c4103f122d27677c9db144cae1394a66  -

0+1 records in

0+1 records out

2 bytes copied, 0.0123047 s, 0.2 kB/s

root@armadillo:~#

root@armadillo:~# [  114.428027] random: crng init done

[  114.431640] random: 226 urandom warning(s) missed due to ratelimiting