Test blake2b variations.
Have fun!
See NULL
and d
.
Library supports only NULL
or 0
as third argument if key is zero.
OK
...
blake2s_init(&s2, 32, NULL, 0);
blake2s_done(&s2, out1);
...
FAIL
...
blake2s_init(&s2, 32, d, 0);
blake2s_done(&s2, out1);
...