private void Button3DESDecrypt_Click(object sender, RoutedEventArgs e)
{
fileBytes = System.IO.File.ReadAllBytes(fileName);
byte[] key = Encoding.Unicode.GetBytes(textbox3DESKey.Text);
byte[] decrypted = TripleDESx.Decrypt(fileBytes, tripleKey);
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = "DecryptedFile";
Nullable <bool> result = dlg.ShowDialog();
if (result == true)
{
// Save document
string filename = dlg.FileName + fileExtension;
File.WriteAllBytes(filename, decrypted);
}
}
private void Button3DESEncrypt_Click(object sender, RoutedEventArgs e)
{
fileBytes = System.IO.File.ReadAllBytes(fileName);
Dictionary <string, byte[]> encrypted = TripleDESx.Encrypt(fileBytes);
byte[] encryptedBytes = encrypted["text"];
textbox3DESKey.Text = Encoding.Unicode.GetString(encrypted["key"]);
tripleKey = encrypted["key"];
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = "EncryptedFile";
dlg.Filter = "File (All) |*" + fileExtension;
Nullable <bool> result = dlg.ShowDialog();
if (result == true)
{
// Save document
string filename = dlg.FileName;
File.WriteAllBytes(filename, encryptedBytes);
}
}
