void mnuKeyMenuAddID_Click(Object sender, System.EventArgs e)
{
if (this.tlvKeys.SelectedNodes.Count == 1)
{
XmlElement xmlKey = (XmlElement)this.tlvKeys.SelectedNodes[0].Tag;
if (xmlKey.Name == "PublicKey")
{
ulong lKeyID = UInt64.Parse(xmlKey.GetAttribute("keyid").Substring(2), System.Globalization.NumberStyles.HexNumber);
XmlElement xmlSecretKey = null;
try {
string strSecretKey = SharpPrivacy.Instance.GetSecretKeyProperties(lKeyID);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(strSecretKey);
xmlSecretKey = xmlDoc.DocumentElement;
} catch (Exception) {
MessageBox.Show("You cannot add a UserID to this key as you do not own the fitting secret key!", "Error...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
return;
}
AddUserID auiUserID = new AddUserID(xmlKey, xmlSecretKey);
auiUserID.ShowDialog();
if (!auiUserID.IsCanceled)
{
SharpPrivacy.ReloadKeyRing();
this.LoadKeys();
this.stbStatus.Text = "UserID added";
}
}
else if (xmlKey.Name == "SecretKey")
{
MessageBox.Show("You cannot add a user id to a secret key.", "Error...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
}
}
tlvKeys.Refresh();
}
void mnuKeyMenuDelete_Click(Object sender, System.EventArgs e)
{
if (this.tlvKeys.SelectedNodes.Count == 1)
{
XmlElement xmlKey = (XmlElement)this.tlvKeys.SelectedNodes[0].Tag;
if (xmlKey.Name == "PublicKey")
{
string strKeyID = xmlKey.GetAttribute("keyid");
DialogResult drSure = MessageBox.Show("Are you sure you want to delete the key with the id " + strKeyID, "Warning...", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
if (drSure == DialogResult.Yes)
{
ulong lKeyID = UInt64.Parse(strKeyID.Substring(2), System.Globalization.NumberStyles.HexNumber);
SharpPrivacy.Instance.RemovePublicKey(lKeyID);
this.tlvKeys.Nodes.Remove(this.tlvKeys.SelectedNodes[0]);
this.stbStatus.Text = "Keys deleted";
}
}
else if (xmlKey.Name == "SecretKey")
{
string strKeyID = xmlKey.GetAttribute("keyid");
DialogResult drSure = MessageBox.Show("Are you sure you want to delete the key with the id " + strKeyID, "Warning...", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
if (drSure == DialogResult.Yes)
{
ulong lKeyID = UInt64.Parse(strKeyID.Substring(2), System.Globalization.NumberStyles.HexNumber);
SharpPrivacy.Instance.RemoveSecretKey(lKeyID);
this.tlvKeys.Nodes.Remove(this.tlvKeys.SelectedNodes[0]);
this.stbStatus.Text = "Keys deleted";
}
}
}
SharpPrivacy.ReloadKeyRing();
tlvKeys.Refresh();
}
void mnuClipboardSign_Click(Object sender, System.EventArgs e)
{
// Check if we have some secret keys at all.
XmlNodeList xnlSecretKeys = SharpPrivacy.SecretKeyRing.GetElementsByTagName("SecretKey");
if (xnlSecretKeys.Count == 0)
{
MessageBox.Show("You cannot sign data because you do not own a private key. Please generate a new key pair, before you sign data.", "Action not possible...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
return;
}
string strMessage = Clipboard.GetDataObject().GetData(DataFormats.Text).ToString();
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
try {
SharpPrivacy.ReloadKeyRing();
string strReturn = SharpPrivacy.Instance.SignText(strMessage, lSignatureKeyID, strPassphrase);
Clipboard.SetDataObject(strReturn);
} catch (Exception ex) {
MessageBox.Show("An error occured while encrypting the message: " + ex.Message + "\n\n" + ex.StackTrace, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
}
void mnuFileSystemEncrypt_Click(Object sender, System.EventArgs e)
{
System.Windows.Forms.OpenFileDialog ofdOpen = new System.Windows.Forms.OpenFileDialog();
ofdOpen.Multiselect = true;
ofdOpen.Filter = "All Files (*.*)|*.*";
ofdOpen.ShowDialog();
if (ofdOpen.FileNames.Length == 0)
{
return;
}
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
ulong[] lTargetKeyIDs = (ulong[])pksSelector.SelectedKeys.ToArray(Type.GetType("System.UInt64"));
for (int i = 0; i < ofdOpen.FileNames.Length; i++)
{
string strPath = ofdOpen.FileNames[i];
SharpPrivacy.ReloadKeyRing();
SharpPrivacy.Instance.EncryptFile(strPath, strPath + ".asc", lTargetKeyIDs);
}
}
void mnuFileSystemSign_Click(Object sender, System.EventArgs e)
{
// Check if we have some secret keys at all.
XmlNodeList xnlSecretKeys = SharpPrivacy.SecretKeyRing.GetElementsByTagName("SecretKey");
if (xnlSecretKeys.Count == 0)
{
MessageBox.Show("You cannot sign data because you do not own a private key. Please generate a new key pair, before you sign data.", "Action not possible...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
return;
}
System.Windows.Forms.OpenFileDialog ofdOpen = new System.Windows.Forms.OpenFileDialog();
ofdOpen.Multiselect = true;
ofdOpen.Filter = "All Files (*.*)|*.*";
ofdOpen.ShowDialog();
if (ofdOpen.FileNames.Length == 0)
{
return;
}
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
for (int i = 0; i < ofdOpen.FileNames.Length; i++)
{
string strPath = ofdOpen.FileNames[i];
SharpPrivacy.ReloadKeyRing();
SharpPrivacy.Instance.SignFile(strPath, strPath + ".asc", lSignatureKeyID, strPassphrase);
}
}
private void StartKeyGeneration()
{
iKeySize = Convert.ToInt32(cmbKeySize.Text);
this.pbCurrentProgress.Value = 0;
this.timProgressBar.Start();
this.cmdCancel.Enabled = false;
this.cmdNext.Enabled = false;
iKeySize = Int32.Parse(this.cmbKeySize.Text);
SharpPrivacy.ReloadKeyRing();
tThread = new System.Threading.Thread(new System.Threading.ThreadStart(Start));
tThread.Start();
while (tThread.IsAlive)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
}
SharpPrivacy.ReloadKeyRing();
panKeyGeneration.Visible = false;
panDone.Visible = true;
cmdCancel.Visible = false;
cmdBack.Visible = false;
cmdNext.Enabled = true;
cmdNext.Text = "Finish";
this.lblText.Text = "Your keypair has been created and is ready for use.";
this.lblCaption.Text = "Key Generation is Complete";
}
void mnuKeyMenuPaste_Click(Object sender, System.EventArgs e)
{
string strClipboard = Clipboard.GetDataObject().GetData(DataFormats.Text).ToString();
try {
SharpPrivacy.Instance.AddKey(strClipboard);
} catch (Exception ex) {
MessageBox.Show("An error occured: " + ex.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
SharpPrivacy.ReloadKeyRing();
this.LoadKeys();
tlvKeys.Refresh();
}
void mnuClipboardDecryptVerify_Click(Object sender, System.EventArgs e)
{
string strMessage = Clipboard.GetDataObject().GetData(DataFormats.Text).ToString();
bool bAskForPassphrase = true;
ulong lDecryptionKey = 0;
try {
SharpPrivacy.ReloadKeyRing();
lDecryptionKey = SharpPrivacy.Instance.GetDecryptionKey(strMessage);
} catch (Exception ex) {
bAskForPassphrase = false;
Console.WriteLine(ex.Message);
}
string strPassphrase = "";
if (bAskForPassphrase)
{
QueryPassphrase qpPassphrase = new QueryPassphrase();
if (lDecryptionKey > 0)
{
//Find the fitting key
XmlElement xmlKey = FindSecretKey(lDecryptionKey);
if (xmlKey == null)
{
MessageBox.Show("An unexpected error occured: The secret key used to decrypt the message could not be found.", "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
return;
}
qpPassphrase.ShowSingleKeyDialog(xmlKey);
strPassphrase = qpPassphrase.Passphrase;
}
else
{
qpPassphrase.ShowMyDialog();
strPassphrase = qpPassphrase.Passphrase;
}
}
try {
PlaintextViewer pvPlaintext = new PlaintextViewer();
SharpPrivacy.ReloadKeyRing();
pvPlaintext.XmlMessage = SharpPrivacy.Instance.DecryptAndVerify(strMessage, strPassphrase);
pvPlaintext.ShowPlaintext();
} catch (Exception ex) {
MessageBox.Show("An error occured while decrypting the message: " + ex.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
}
void mnuFileSystemDecryptVerify_Click(Object sender, System.EventArgs e)
{
System.Windows.Forms.OpenFileDialog ofdOpen = new System.Windows.Forms.OpenFileDialog();
ofdOpen.Multiselect = false;
ofdOpen.Filter = "OpenPGP Files (*.asc;*.enc)|*.asc;*.enc|All Files (*.*)|*.*";
ofdOpen.ShowDialog();
bool bAskForPassphrase = true;
ulong lDecryptionKey = 0;
try {
SharpPrivacy.ReloadKeyRing();
lDecryptionKey = SharpPrivacy.Instance.GetDecryptionKeyFromFile(ofdOpen.FileName);
} catch (Exception) {
bAskForPassphrase = false;
}
string strPassphrase = "";
if (bAskForPassphrase)
{
QueryPassphrase qpPassphrase = new QueryPassphrase();
if (lDecryptionKey > 0)
{
//Find the fitting key
XmlElement xmlKey = FindSecretKey(lDecryptionKey);
qpPassphrase.ShowSingleKeyDialog(xmlKey);
strPassphrase = qpPassphrase.Passphrase;
}
else
{
qpPassphrase.ShowMyDialog();
strPassphrase = qpPassphrase.Passphrase;
}
}
try {
PlaintextViewer pvPlaintext = new PlaintextViewer();
SharpPrivacy.ReloadKeyRing();
pvPlaintext.XmlMessage = SharpPrivacy.Instance.DecryptAndVerifyFile(ofdOpen.FileName, strPassphrase);
pvPlaintext.ShowPlaintext();
} catch (Exception ex) {
MessageBox.Show("An error occured while decrypting the message: " + ex.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
}
void mnuClipboardEncrypt_Click(Object sender, System.EventArgs e)
{
string strMessage = Clipboard.GetDataObject().GetData(DataFormats.Text).ToString();
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
ulong[] lTargetKeyIDs = (ulong[])pksSelector.SelectedKeys.ToArray(Type.GetType("System.UInt64"));
try {
startWorking();
SharpPrivacy.ReloadKeyRing();
string strReturn = SharpPrivacy.Instance.EncryptText(strMessage, lTargetKeyIDs);
Clipboard.SetDataObject(strReturn);
stopWorking();
} catch (Exception ex) {
MessageBox.Show("An error occured while encrypting the message: " + ex.Message + "\n\n" + ex.StackTrace, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1);
}
}
void mnuKeyMenuAddSignature_Click(Object sender, System.EventArgs e)
{
if (this.tlvKeys.SelectedNodes.Count == 1)
{
XmlElement xmlKey = (XmlElement)this.tlvKeys.SelectedNodes[0].Tag;
if (xmlKey.Name == "PublicKey")
{
SignKey skSign = new SignKey(xmlKey);
skSign.ShowDialog();
if (!skSign.IsCanceled)
{
SharpPrivacy.ReloadKeyRing();
this.LoadKeys();
this.stbStatus.Text = "Key signed";
}
}
else if (xmlKey.Name == "SecretKey")
{
MessageBox.Show("You cannot sign a secret key.", "Error...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
}
}
}
public SharpPrivacyTray()
{
DateTime dtStart = DateTime.Now;
SplashScreen ssSplash = new SplashScreen();
ssSplash.Show();
Application.DoEvents();
// check if private and public keyring exists
bool bMessageShowed = false;
string strPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
if (!System.IO.File.Exists(strPath + "/SharpPrivacy/pub_keyring.txt"))
{
MessageBox.Show("SharpPrivacy was unable to find a keyring. This might be due to you starting this program for the first time. A new keyring will be created in your home directory.", "Keyring...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
bMessageShowed = true;
try {
System.IO.Directory.CreateDirectory(strPath + "/SharpPrivacy");
} catch (Exception e) {
MessageBox.Show("Error creating the SharpPrivacy home directory:" + e.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
}
try {
FileStream fsTmp = System.IO.File.Create(strPath + "/SharpPrivacy/pub_keyring.txt");
fsTmp.Close();
} catch (Exception e) {
MessageBox.Show("Error creating the public keyring file:" + e.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
}
}
if (!System.IO.File.Exists(strPath + "/SharpPrivacy/sec_keyring.txt"))
{
if (!bMessageShowed)
{
MessageBox.Show("SharpPrivacy was unable to find a keyring. This might be due to you starting this program for the first time. A new keyring will be created in your home directory.", "Keyring...", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
}
bMessageShowed = true;
try {
FileStream fsTmp = System.IO.File.Create(strPath + "/SharpPrivacy/sec_keyring.txt");
fsTmp.Close();
} catch (Exception e) {
MessageBox.Show("Error creating the secret keyring file:" + e.Message, "Error...", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
}
}
SharpPrivacy.ReloadKeyRing();
InitializeComponent();
InitializeCustomComponents();
this.WindowState = FormWindowState.Minimized;
this.ResumeLayout(false);
int iCount = 0;
while (dtStart.AddSeconds(5) > DateTime.Now)
{
if (iCount % 10 == 0)
{
Application.DoEvents();
}
iCount++;
System.Threading.Thread.Sleep(50);
}
ssSplash.Hide();
}