Anonymous

void decode_key(char *buf, uint32_t *keyret){    char key[4] = { 0 };    int a = -17;    int b = 0;    int c = 3;    int d = 3;    int i, j = 15;    for (i = 0; i < 32; i++) {        j += a + b + c + 19;        if (buf[j % 187] & (1 << d))            key[i / 8] |= 1 << i % 8;        d = (d + 5) % 8;        a += 17; if (a >= 51) a = -17;        b +=  7; if (b >= 28) b = 0;        c +=  3; if (c >= 33) c = 0;    }    memcpy(keyret, key, 4);}