$ mkdir -p build && cd build
$ cmake -DBOARD=native_posix ..
$ make && make run
md info setup, name: SHA256, digest size: 32
md sha-256 digest:
BA 78 16 BF 8F 01 CF EA 41 41 40 DE 5D AE 22 23
B0 03 61 A3 96 17 7A 9C B4 10 FF 61 F2 00 15 AD