private void btnGiaiMa_Click(object sender, EventArgs e)
{
if (txt_url_input.Text.Length != 0)
{
try
{
byte[] filecontent = File.ReadAllBytes(txt_url_input.Text);
//txt_plaintext.Text = FileFactory.DecryptAES(txt_input.Text, txt_key.Text);
//txt_plaintext.Text = FileFactory.DecryptAES(txt_input.Text, txt_key.Text);
//StreamWriter sw = new StreamWriter(txt_url_plaintext.Text, false, Encoding.UTF8);
//sw.WriteLine(txt_plaintext.Text);
//sw.Close();
string fileExt = Path.GetExtension(txt_url_input.Text);
SaveFileDialog sd = new SaveFileDialog();
sd.Filter = "File (*" + fileExt + ")|*" + fileExt;
if (sd.ShowDialog() == DialogResult.OK)
{
if (radioButtonAES.Checked == true)
{
File.WriteAllBytes(sd.FileName, FileFactory.DecryptAES(filecontent, txt_key.Text));
}
else
{
File.WriteAllBytes(sd.FileName, FileFactoryDES.DecryptDES(filecontent, txt_key.Text));
}
txt_key.Enabled = true;
}
}
catch
{
MessageBox.Show("Không giải mã được, hãy kiểm tra lại khóa");
}
}
else
{
MessageBox.Show("Mời bạn chọn file");
}
}
private void btnMaHoa_Click(object sender, EventArgs e)
{
if (txt_key.Text.Length != 0 && txt_url_input.Text.Length != 0)
{
//Console.Write(txt_ciphertext.Text);
byte[] filecontent = File.ReadAllBytes(txt_url_input.Text);
//txt_ciphertext.Text = FileFactory.EncryptAES(txt_input.Text, txt_key.Text);
//txt_ciphertext.Text = FileFactory.EncryptAES(filecontent, txt_key.Text);
//StreamWriter sw = new StreamWriter(txt_url_ciphertext.Text, false, Encoding.UTF8);
//sw.WriteLine(txt_ciphertext.Text);
//sw.Close();
string fileExt = Path.GetExtension(txt_url_input.Text);
SaveFileDialog sd = new SaveFileDialog();
sd.Filter = "File (*" + fileExt + ")|*" + fileExt;
if (sd.ShowDialog() == DialogResult.OK)
{
if (radioButtonAES.Checked == true)
{
File.WriteAllBytes(sd.FileName, FileFactory.EncryptAES(filecontent, txt_key.Text));
}
else
{
File.WriteAllBytes(sd.FileName, FileFactoryDES.EncryptDES(filecontent, txt_key.Text));
}
txt_key.Enabled = true;
}
}
else if (txt_key.Text.Length == 0)
{
MessageBox.Show("Mời bạn nhập key");
}
else
{
MessageBox.Show("Mời bạn chọn file");
}
}
