示例#1
0
文件: Form1.cs 项目: minhdangnsp/EDCS
        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");
            }
        }
示例#2
0
文件: Form1.cs 项目: minhdangnsp/EDCS
 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");
     }
 }