OhGodAPet

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#define ROTR32(x, n)		((x >> n) | (x << (32 - n)))
#define CH(x, y, z)			((x & y) ^ (~x & z))
#define MAJ(x, y, z)		((x & y) ^ (x & z) ^ (y & z))

#define SHA256_F1(x)		(ROTR32(x,  2) ^ ROTR32(x, 13) ^ ROTR32(x, 22))