/// <summary>
/// Handles the Click event of the BT_EncryptDecrypt control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private async void BT_EncryptDecrypt_Click(object sender, EventArgs e)
{
if (!ValidateInputs())
{
return;
}
SetUIEncryptionInProgress();
try
{
using (var sourceFileStream = OFD_SourceFile.OpenFile())
{
using (var targetFileStream = SFD_TargetFile.OpenFile())
{
//using ICryptographyService.DecryptStreamAsync method only as the task is to use xor for encryption and decryption, but the ICryptographyService is designed more universaly
await _cryptographyService.DecryptStreamAsync(sourceFileStream, targetFileStream, TB_PassPhrase.Text, _progress);
await targetFileStream.FlushAsync();
}
}
MessageBox.Show(this, "Encryption / decryption finished");
}
catch (Exception ex)
{
MessageBox.Show(this, $"Failed to encrypt / decrypt file.\n\nMessage:{ex.Message}");
}
SetUIReady();
}
/// <summary>
/// Handles the Click event of the BT_SelectSourceFile control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void BT_SelectSourceFile_Click(object sender, EventArgs e)
{
switch (OFD_SourceFile.ShowDialog(this))
{
case DialogResult.OK:
L_SourceFile.Text = GetShortFileName(OFD_SourceFile.FileName);
break;
}
}
/// <summary>
/// Sets the UI into ready state.
/// </summary>
private void SetUIReady()
{
P_Inputs.Enabled = true;
L_SourceFile.Text = "";
OFD_SourceFile.Reset();
L_TargetFile.Text = "";
SFD_TargetFile.Reset();
P_Progress.Visible = false;
}