private void btnDecrypt_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Private Keys (*.xml)|*.xml";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
Stream temp = openFileDialog.OpenFile();
String privateKeyXml = new StreamReader(temp).ReadToEnd();
byte[] decryptedData = EncryptionClass.DecryptText(tbMessage.Text, privateKeyXml);
tbResult.Text = Encoding.ASCII.GetString(decryptedData);
}
}
private void btnEncrypt_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Public Keys (*.xml)|*.xml";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
Stream temp = openFileDialog.OpenFile();
String publicKeyXml = new StreamReader(temp).ReadToEnd();
byte[] encryptedData = EncryptionClass.EncryptText(tbMessage.Text, publicKeyXml);
tbResult.Text = Convert.ToBase64String(encryptedData);
tbMessage.Clear();
tbMessage.Text = tbResult.Text;
tbResult.Clear();
}
}
private void btnGenerateKey_Click(object sender, EventArgs e)
{
EncryptionClass encryption = new EncryptionClass();
FolderBrowserDialog folder = new FolderBrowserDialog();
if (folder.ShowDialog() == DialogResult.OK)
{
String folderFile = folder.SelectedPath;
FileStream fileStream = new FileStream(Path.Combine(folderFile, "PublicKey.xml"), FileMode.Create, FileAccess.Write);
byte[] publicKey = encryption.CreatePublicKeys();
fileStream.Write(publicKey, 0, publicKey.Length);
fileStream.Close();
fileStream = new FileStream(Path.Combine(folderFile, "PrivateKey.xml"), FileMode.Create, FileAccess.Write);
byte[] privateKey = encryption.CreatePrivateKeys();
fileStream.Write(privateKey, 0, privateKey.Length);
fileStream.Close();
MessageBox.Show("Keys successfully stored");
}
}
