private string SignZip(string zipName, RSACryptoServiceProvider csp)
{
string signature = null;
byte[] ZipRawData = null;
try
{
ZipRawData = File.ReadAllBytes(zipName);
}
catch (Exception ex)
{
MessageBox.Show("Could not read ZIP File: " + ex.ToString(), "Read Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return(signature);
}
try
{
signature = RSASignatures.Sign(ZipRawData, csp);
}
catch (Exception ex)
{
MessageBox.Show("Could not sign ZIP File: " + ex.ToString(), "Signature Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return(signature);
}
return(signature);
}
private void btnSign_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(txtPrivateKey.Text))
{
MessageBox.Show("Please Select a Valid Private Key", "Private Key Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (string.IsNullOrEmpty(txtFolderToSign.Text) ||
!Directory.Exists(txtFolderToSign.Text))
{
MessageBox.Show("Please Select a Directory", "Directory Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!txtFolderToSign.Text.EndsWith("\\"))
{
txtFolderToSign.Text += "\\";
}
SaveFileDialog dialog = new SaveFileDialog();
dialog.Filter = "Zip Files *.zip|*.zip";
DialogResult result = dialog.ShowDialog();
if (DialogResult.OK == result)
{
RSACryptoServiceProvider csp = null;
try
{
csp = RSASignatures.ReadRSAPrivateKeyPem(txtPrivateKey.Text);
}
catch (Exception ex)
{
MessageBox.Show("Could not read RSA Private Key: " + ex.ToString(), "Private Key Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (CreateZip(dialog.FileName, txtFolderToSign.Text))
{
string signature = SignZip(dialog.FileName, csp);
if (signature != null)
{
XMLUpdateManifest manifest = new XMLUpdateManifest();
manifest.url = "TBD";
manifest.version = "TBD";
manifest.changelog = "TBD";
manifest.signature = signature;
manifest.Serialize(Path.GetDirectoryName(dialog.FileName) + "\\UpdateManifest.xml");
}
}
}
}
private void OnDownloadComplete(object sender, AsyncCompletedEventArgs e)
{
if (!e.Cancelled)
{
if (!File.Exists("Certificates\\UpdatesSignaturePubK.pem"))
{
return;
}
try
{
byte[] zipdata = File.ReadAllBytes(_tempPath);
RSACryptoServiceProvider csp = RSASignatures.ReadRSAPublicKeyPem("Certificates\\UpdatesSignaturePubK.pem");
bool hashValid = RSASignatures.Verify(zipdata, _signature, csp);
if (!hashValid)
{
Close();
var resources = new System.ComponentModel.ComponentResourceManager(this.GetType());
string title = resources.GetString("SignatureError", CultureInfo.CurrentCulture);
string msg = resources.GetString("SignatureErrorDesc", CultureInfo.CurrentCulture);
MessageBox.Show(msg, title,
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
}
catch (Exception)
{
return;
}
var processStartInfo = new ProcessStartInfo {
FileName = _tempPath, UseShellExecute = true
};
var extension = Path.GetExtension(_tempPath);
if (extension != null && extension.ToLower().Equals(".zip"))
{
string installerPath = Path.Combine(Path.GetTempPath(), "ZipExtractor.exe");
File.WriteAllBytes(installerPath, Properties.Resources.ZipExtractor);
processStartInfo = new ProcessStartInfo
{
UseShellExecute = true,
FileName = installerPath,
Arguments = string.Format("\"{0}\" \"{1}\"", _tempPath, Assembly.GetEntryAssembly().Location)
};
}
try
{
Process.Start(processStartInfo);
}
catch (Win32Exception exception)
{
if (exception.NativeErrorCode != 1223)
{
throw;
}
}
var currentProcess = Process.GetCurrentProcess();
foreach (var process in Process.GetProcessesByName(currentProcess.ProcessName))
{
if (process.Id != currentProcess.Id)
{
process.Kill();
}
}
if (AutoUpdater.IsWinFormsApplication)
{
Application.Exit();
}
else
{
Environment.Exit(0);
}
}
}
