private void btnDecrypt_Click(object sender, EventArgs e)
{
string originalMessage = txtMsg.Text.Trim();
string privateKey = txtPrivateKey.Text.Trim();
string publicKey = txtPublicKey.Text.Trim();
byte[] decrypted;
var data = Convert.FromBase64String(originalMessage);
decrypted = rsa.Decrypt(data);
txtResult.Text = Encoding.UTF8.GetString(decrypted);
}
