void mnuClipboardEncryptSign_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();
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
ulong[] lTargetKeyIDs = (ulong[])pksSelector.SelectedKeys.ToArray(Type.GetType("System.UInt64"));
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
try {
SharpPrivacy.ReloadKeyRing();
string strReturn = SharpPrivacy.Instance.EncryptAndSignText(strMessage, lTargetKeyIDs, 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 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 mnuFileSystemEncryptSign_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;
}
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
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.EncryptAndSignFile(strPath, strPath + ".asc", lTargetKeyIDs, lSignatureKeyID, strPassphrase);
}
}
public static string EncryptText(string strMessage, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bSign)
{
PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);
pksSelectKeys.ShowDialog();
TransportableSecretKey tskKey = new TransportableSecretKey();
string strPassphrase = "";
if (bSign) {
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMyDialog(skrSecretKeyRing);
tskKey = qpPassphrase.SelectedKey;
strPassphrase = qpPassphrase.Passphrase;
}
if (pksSelectKeys.SelectedKeys.Count == 0)
return strMessage;
Working wWorking = new Working();
wWorking.Show();
LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Text);
lmMessage.Text = strMessage;
lmMessage.TimeCreated = DateTime.Now;
lmMessage.Filename = "";
SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;
if (bSign) {
SignedMessage smMessage = new SignedMessage();
smMessage.MessageSigned = lmMessage;
SignaturePacket spPacket = new SignaturePacket();
spPacket.Version = SignaturePacketVersionNumbers.v3;
SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
spPacket.KeyID = skpKey.PublicKey.KeyID;
spPacket.HashAlgorithm = HashAlgorithms.SHA1;
spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
spPacket.TimeCreated = DateTime.Now;
spPacket.SignatureType = SignatureTypes.TextSignature;
spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
smMessage.Signature = spPacket;
mEncryptionMessage = smMessage;
}
CompressedMessage cmMessage = new CompressedMessage();
cmMessage.Compress(mEncryptionMessage);
wWorking.Progress(20);
SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);
SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);
saEncrypt.Mode = CipherMode.OpenPGP_CFB;
saEncrypt.GenerateKey();
byte[] bKey = saEncrypt.Key;
wWorking.Progress(10);
ESKSequence esksKeys = new ESKSequence();
try {
esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
} catch (Exception e) {
wWorking.Hide();
MessageBox.Show("The following error occured: " + e.Message, "Error...");
return strMessage;
}
wWorking.Progress(50);
ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();
byte[] bMessage = cmMessage.GetEncoded();
byte[] bOutput = new byte[bMessage.Length];
ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
bKey.Initialize();
wWorking.Progress(10);
int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;
sedpEncrypted.Body = new byte[iOutLength];
Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);
byte[] bESK = esksKeys.GetEncoded();
byte[] bEncrypted = sedpEncrypted.Generate();
byte[] bReturn = new byte[bESK.Length + bEncrypted.Length];
bESK.CopyTo(bReturn, 0);
bEncrypted.CopyTo(bReturn, bESK.Length);
wWorking.Progress(10);
string strReturn = Radix64.Encode(bReturn, true);
strReturn = Armor.WrapMessage(strReturn);
wWorking.Hide();
return strReturn;
}
public static void EncryptFiles(String[] strFiles, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bEncrypt, bool bSign)
{
PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);
if (bEncrypt) {
pksSelectKeys.ShowDialog();
if (pksSelectKeys.SelectedKeys.Count == 0) {
MessageBox.Show("You did not select a public key to encrypt to. Doing nothing...", "Nothing Done...");
return;
}
}
TransportableSecretKey tskKey = new TransportableSecretKey();
string strPassphrase = "";
if (bSign) {
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMyDialog(skrSecretKeyRing);
tskKey = qpPassphrase.SelectedKey;
strPassphrase = qpPassphrase.Passphrase;
}
Working wWorking = new Working();
wWorking.Show();
for (int i=0; i<strFiles.Length; i++) {
byte[] bFileContent = new byte[0];
try {
System.IO.FileStream fsFile = new FileStream(strFiles[i], FileMode.Open);
BinaryReader brReader = new BinaryReader(fsFile);
bFileContent = brReader.ReadBytes((int)fsFile.Length);
brReader.Close();
fsFile.Close();
} catch (Exception e) {
wWorking.Hide();
MessageBox.Show("An error occured while opening the file " + strFiles[i] + ": " + e.Message, "Error...");
return;
}
LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Binary);
lmMessage.Binary = bFileContent;
lmMessage.TimeCreated = DateTime.Now;
int iLastBackslash = strFiles[i].LastIndexOf("\\");
lmMessage.Filename = strFiles[i].Substring(iLastBackslash + 1, strFiles[i].Length - iLastBackslash - 1);
SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;
if (bSign) {
SignedMessage smMessage = new SignedMessage();
smMessage.MessageSigned = lmMessage;
SignaturePacket spPacket = new SignaturePacket();
spPacket.Version = SignaturePacketVersionNumbers.v3;
SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
spPacket.KeyID = skpKey.PublicKey.KeyID;
spPacket.HashAlgorithm = HashAlgorithms.SHA1;
spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
spPacket.TimeCreated = DateTime.Now;
spPacket.SignatureType = SignatureTypes.TextSignature;
spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
smMessage.Signature = spPacket;
mEncryptionMessage = smMessage;
}
CompressedMessage cmMessage = new CompressedMessage();
cmMessage.Compress(mEncryptionMessage);
wWorking.Progress(20/strFiles.Length);
SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);
wWorking.Progress(10/strFiles.Length);
byte[] bReturn = new byte[0];
if (bEncrypt) {
SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);
saEncrypt.Mode = CipherMode.OpenPGP_CFB;
saEncrypt.GenerateKey();
byte[] bKey = saEncrypt.Key;
ESKSequence esksKeys = new ESKSequence();
try {
esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
} catch (Exception e) {
wWorking.Hide();
MessageBox.Show("The following error occured: " + e.Message, "Error...");
return;
}
wWorking.Progress(50/strFiles.Length);
ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();
byte[] bMessage = cmMessage.GetEncoded();
byte[] bOutput = new byte[bMessage.Length];
ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
bKey.Initialize();
wWorking.Progress(10/strFiles.Length);
int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;
sedpEncrypted.Body = new byte[iOutLength];
Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);
byte[] bESK = esksKeys.GetEncoded();
byte[] bEncrypted = sedpEncrypted.Generate();
bReturn = new byte[bESK.Length + bEncrypted.Length];
bESK.CopyTo(bReturn, 0);
bEncrypted.CopyTo(bReturn, bESK.Length);
} else {
wWorking.Progress(60/strFiles.Length);
bReturn = cmMessage.GetEncoded();
}
wWorking.Progress(10/strFiles.Length);
try {
FileStream fsOut = new FileStream(strFiles[i] + ".asc", FileMode.CreateNew);
BinaryWriter bwWrite = new BinaryWriter(fsOut);
bwWrite.Write(bReturn);
bwWrite.Close();
fsOut.Close();
} catch (IOException io) {
MessageBox.Show("Could not write to file. The following error occured: " + io.Message, "Error...");
}
}
wWorking.Hide();
}
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 mnuFileSystemEncryptSign_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;
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
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.EncryptAndSignFile(strPath, strPath + ".asc", lTargetKeyIDs, lSignatureKeyID, strPassphrase);
}
}
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 mnuClipboardEncryptSign_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();
PublicKeySelector pksSelector = new PublicKeySelector(SharpPrivacy.PublicKeyRing);
pksSelector.ShowDialog();
ulong[] lTargetKeyIDs = (ulong[])pksSelector.SelectedKeys.ToArray(Type.GetType("System.UInt64"));
QueryPassphrase qpPassphrase = new QueryPassphrase();
qpPassphrase.ShowMultiKeyDialog(SharpPrivacy.SecretKeyRing);
ulong lSignatureKeyID = qpPassphrase.SelectedKey;
string strPassphrase = qpPassphrase.Passphrase;
try {
SharpPrivacy.ReloadKeyRing();
string strReturn = SharpPrivacy.Instance.EncryptAndSignText(strMessage, lTargetKeyIDs, 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);
}
}
