void main() {
char rnd[128];
::sprintf(rnd, “3n + 1 conjecture”);
unsigned char hash[32];
CSHA256().Write((const unsigned char *)rnd, ::strlen(rnd)).Finalize(hash);
hex_printf(&hash);
}
result hash (“3n + 1 conjecture”, t1 = Ch + k, t2 = Maj, sha256):
0x4c89ee984669f74be7d78bdd2bdf379adf931fc0270d037bae58725cba304c0a — (13)