private void btnFileSave2_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(tbPath.Text))
{
WarningNotice.InputString();
return;
}
if (!File.Exists(tbPath.Text))
{
WarningNotice.NotFound();
return;
}
if (tbPassword.Text.Length != 8)
{
WarningNotice.KeyLength(8);
return;
}
if (tbIV.Text.Length != 8)
{
WarningNotice.IVLength(8);
return;
}
if (DialogResult.OK == sfdFile.ShowDialog())
{
FileInfo file = new FileInfo(tbPath.Text);
FileInfo result = new FileInfo(sfdFile.FileName);
Task.Factory.StartNew(() =>
{
try
{
ControlEnable(this.Controls, false);
fileSize = file.Length;
RC2Encryption.Decrypt(file, result, tbPassword.Text, tbIV.Text);
this.Invoke(new Action(() => WarningNotice.Save()));
}
catch (Exception)
{
WarningNotice.WrongKey();
}
finally
{
ControlEnable(this.Controls, true);
}
});
}
sfdFile.FileName = "";
}
private void btnDecrypt_Click(object sender, EventArgs e)
{
if (tbPassword.Text.Length != 8)
{
WarningNotice.KeyLength(8);
return;
}
if (tbIV.Text.Length != 8)
{
WarningNotice.IVLength(8);
return;
}
try
{
tbToText.Text = RC2Encryption.Decrypt(tbFromText.Text, tbPassword.Text, tbIV.Text);
}
catch (Exception)
{
WarningNotice.WrongKey();
}
}