/// <summary>
/// Generate keys for RSA algorithm: private and public keys
/// </summary>
/// <param name="sender">Sender of Click event</param>
/// <param name="e">Args for Click event</param>
private void btRSAClick(object sender, EventArgs e)
{
// Init vars and take key size
var keyPublic = "";
var keyPrivate = "";
var keySize = keySizes[cbKeySize.SelectedIndex];
// Generate keys based on desired size
CryptRSA.GenerateKeys(keySize, out keyPublic, out keyPrivate);
// Show them in text fields (adjust from XML to RAW text)
txtKey.Text = keyPrivate.Replace("><", ">\r\n<");
txtIV.Text = keyPublic.Replace("><", ">\r\n<");
}
public GameConnection(Session session)
{
_session = session;
Subscribers = new List <IDisposable>();
Characters = new Dictionary <uint, Character>();
Houses = new Dictionary <uint, House>();
Payment = new AccountPayment(this);
//шифрация пакетов
CryptRsa = new CryptRSA();
DecryptCs = new DecryptCs();
EncryptSc = new EncryptSc();
EncryptSc.MNum = 0;
}
/// <summary>
/// Actions to do when user clicks the 'Go' button
/// </summary>
/// <param name="sender">Sender of Click event</param>
/// <param name="e">Arguments for Click event</param>
private void btGoClick(object sender, EventArgs e)
{
// No text to crypt/decrypt? finish
if (txtText.Text == "")
{
return;
}
// According to selected crypt algorithm...
switch (cbType.SelectedIndex)
{
case 0: // CryptStream3DES
// No key and initializer values? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// If we are encrypting, use according texts for encrypt and decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = CryptStream3DES.Encrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptStream3DES.Decrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
else
{
// If we are decrypting, take the inverse text values
txtCrypt.Text = CryptStream3DES.Decrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptStream3DES.Encrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
break;
case 1: // Crypt3DES
// No key? finish
if (txtKey.Text == "")
{
return;
}
// If we are encrypting, use according text for encrypt and decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = Crypt3DES.Encrypt(txtText.Text, txtKey.Text);
txtDecrypt.Text = Crypt3DES.Decrypt(txtCrypt.Text, txtKey.Text);
}
else
{
// If we are decrypting, use the inverse text values
txtCrypt.Text = Crypt3DES.Decrypt(txtText.Text, txtKey.Text);
txtDecrypt.Text = Crypt3DES.Encrypt(txtCrypt.Text, txtKey.Text);
}
break;
case 2: // CryptAES
// No key and initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use right texts to encrypt/decrypt, based on our setup (also use provided key and salt)
if (tbSide.Value == 0)
{
txtCrypt.Text = CryptAES.Encrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptAES.Decrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
else
{
txtCrypt.Text = CryptAES.Decrypt(txtText.Text, txtKey.Text, txtIV.Text);
txtDecrypt.Text = CryptAES.Encrypt(txtCrypt.Text, txtKey.Text, txtIV.Text);
}
break;
case 3: // UUCode
// Apply encoding/decoding to right texts according to setup
if (tbSide.Value == 0)
{
txtCrypt.Text = UUCoder.Encode(txtText.Text);
txtDecrypt.Text = UUCoder.Decode(txtCrypt.Text);
}
else
{
txtCrypt.Text = UUCoder.Decode(txtText.Text);
txtDecrypt.Text = UUCoder.Encode(txtCrypt.Text);
}
break;
case 4: // Mime/Base64
// Apply encoding/decoding to right texts according to setup
if (tbSide.Value == 0)
{
txtCrypt.Text = Base64.EncodeString(txtText.Text);
txtDecrypt.Text = Base64.DecodeString(txtCrypt.Text);
}
else
{
txtCrypt.Text = Base64.DecodeString(txtText.Text);
txtDecrypt.Text = Base64.EncodeString(txtCrypt.Text);
}
break;
case 5: // Adler32
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", Adler32.AdlerHash(txtText.Text));
break;
case 6: // CRC16
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC16.Hash(txtText.Text));
break;
case 7: // CRC32
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC32.Hash(txtText.Text));
break;
case 8: // CRC64
// Calculate hash for given text...
txtCrypt.Text = string.Format("{0:X}", CRC64.Hash(txtText.Text));
break;
case 9: // Salsa20
// No key and initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var salsa = new CryptSalsa(txtKey.Text, txtIV.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = salsa.Encrypt(txtText.Text);
txtDecrypt.Text = salsa.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = salsa.Decrypt(txtText.Text);
txtDecrypt.Text = salsa.Encrypt(txtCrypt.Text);
}
}
break;
case 10: // ChaCha20
// No key/initializer? finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var chacha = new CryptChaCha20(txtKey.Text, txtIV.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = chacha.Encrypt(txtText.Text);
txtDecrypt.Text = chacha.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = chacha.Decrypt(txtText.Text);
txtDecrypt.Text = chacha.Encrypt(txtCrypt.Text);
}
}
break;
case 11: // RSA
// if no key/initializer value, finish
if ((txtKey.Text == "") || (txtIV.Text == ""))
{
return;
}
using (var rsa = new CryptRSA(txtKey.Text, keySizes[cbKeySize.SelectedIndex]))
{
// Use private key?
if (cbPrivateKey.Checked)
{
// Use cryptor to encrypt/decrypt data, according to setup
if (tbSide.Value == 0)
{
// Encrypt -> Decrypt
txtCrypt.Text = rsa.PrivateEncrypt(txtText.Text);
txtDecrypt.Text = rsa.PublicDecrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = rsa.PublicDecrypt(txtText.Text);
txtDecrypt.Text = rsa.PrivateEncrypt(txtCrypt.Text);
}
}
else
{
// Nope, use public key...
// Use cryptor to encrypt/decrypt data, according to setup
if (tbSide.Value == 0)
{
// Encrypt -> Decrypt
txtCrypt.Text = rsa.PublicEncrypt(txtText.Text);
txtDecrypt.Text = rsa.PrivateDecrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = rsa.PrivateDecrypt(txtText.Text);
txtDecrypt.Text = rsa.PublicEncrypt(txtCrypt.Text);
}
}
}
break;
case 12: // Blowfish
// No key? finish
if (txtKey.Text == "")
{
return;
}
// Use cryptor to encrypt/decrypt data, according to setup
using (var blowfish = new CryptBlowfish(txtKey.Text))
{
// Encrypt -> Decrypt
if (tbSide.Value == 0)
{
txtCrypt.Text = blowfish.Encrypt(txtText.Text);
txtDecrypt.Text = blowfish.Decrypt(txtCrypt.Text);
}
else
{
// Or Decrypt -> Encrypt
txtCrypt.Text = blowfish.Decrypt(txtText.Text);
txtDecrypt.Text = blowfish.Encrypt(txtCrypt.Text);
}
}
break;
}
}
