Crypto Confusion Rounds

private void doBlockRound(byte[] key, byte[] keyParams, byte[] data, byte[] output) {
    short execute = Util.Random(1,2);
    if (execute == 1) {
        confuse();
        // Do actual crypto
    } else if (execute ==2) {
        // Do actual crypto
        confuse();
    }
}
private void confuse() {
    short state = Util.Random(1,3);
    if (state == 1) {
        byte[] dummy = toBytes(Util.Random(0, key.length)); //Random write
    } else if (state == 2) {
        // Some random compute like XORs and ANDs and Shifts
    } else if (state ==3) {
        byte[] dummy = toBytes(Util.Random(0, key.length)); //Random write
        // Some random compute like XORs and ANDs and Shifts
    }
}