private void btnEnkripto_Click(object sender, EventArgs e)
{
subsituteObject.GenerateKey();
key = DR.key;
string plaintexti = txtPlaintext.Text;
encQuote = EncryptString(subsituteObject, plaintexti);
txtCiphertext.Text = Convert.ToBase64String(encQuote);
if (checkBox1.Checked)
{
textQelsi.Text = " " + key;
}
}