void encryptText ()
{
    Squareroot = Mathf.RoundToInt (Mathf.Sqrt (inputHere.Length));
    string encryptedtxt = "";
    bool isSquare = Squareroot % 1 == 0;
    if (!isSquare) Squareroot += 1;
    for (int i =0; i<Squareroot; i++) {
        for (int j=0; j<Squareroot*Squareroot; j+=Squareroot) {
            encryptedtxt += inputHere.Substring (j + i, 1);
            Debug.Log (i + "," + (j + i).ToString ());
        }
    }
    outputHere = encryptedtxt;
}