/// <summary>
/// Przy zdarzeniu odebrania wiadomości pobiera ją, wypisuje do chatu bądź do obszaru logów
/// </summary>
/// <param name="result">zdarzenie</param>
private void MessageCallback(IAsyncResult result)
{
if (receive)
{
try
{
this.Dispatcher.Invoke(() =>
{
client.MessageCallback(result);
string msg = client.ReturnMessage();
char firstLetter = msg.ElementAt(0);
string msgCut = msg.Substring(1, msg.Length - 1);
switch (firstLetter)
{
case 'M':
client.sign.SetClientModulus(msgCut);
AddLogs(msg.Substring(1, msg.Length - 1), 3);
break;
case 'E':
client.sign.SetClientExponent(msgCut);
AddLogs(msgCut, 4);
gotKeys = true;
break;
case 'D':
string aesRes = client.aes.removeSalt(msgCut);
AddLogs(aesRes, 20);
aesRes = client.aes.DoAESDec(aesRes);
lock (List)
{
List.AppendText("Friend: " + aesRes + "\n");
List.SelectionStart = List.Text.Length;
List.ScrollToEnd();
}
break;
case 'K':
client.SetEncryptMsg(msgCut);
AddLogs(msgCut, 5);
break;
case 'S':
client.SetEncryptSig(msgCut);
AddLogs(msgCut, 6);
//Convert.ToBase64String(client.encryptMsg) + "\n\n" +
AddLogs(client.VerifyMsg(), 10);
authenticationCompleted = client.protocol.CheckNumbers(client.VerifyMsg());
AddLogs(authenticationCompleted.ToString(), 12);
gotSignature = true;
if (authenticationCompleted == true)
{
SendMsg.IsEnabled = true;
Message.IsEnabled = true;
client.aes.setSalt(client.protocol.GetSecretKey());
}
else
{
MessageBox.Show("Authentication went wrong.");
}
break;
case 'P':
client.protocol.SetPrimeNumber(Int32.Parse(msgCut));
AddLogs(msgCut, 7);
break;
case 'R':
client.protocol.SetPrimitiveRoot(Int32.Parse(msgCut));
AddLogs(msgCut, 8);
client.protocol.CreateNumberToSend();
AddLogs(client.protocol.GetNumberToSend(), 11);
break;
case 'B':
client.protocol.SetReceivedNumber(msgCut);
client.protocol.CalculateReceivedNumber();
gotNumber = true;
AddLogs(String.Concat(msgCut, " ", client.protocol.GetSecretKey()), 9);
break;
case 'Q':
string afterDecryption = client.sign.DecryptData(Convert.FromBase64String(msgCut));
bool isVerified = client.sign.CheckNumbers(afterDecryption, 1);
AddLogs(isVerified.ToString(), 14);
break;
case 'T':
halfMsg = client.sign.DecryptData(Convert.FromBase64String(msgCut));
//isVerified = client.sign.CheckNumbers(afterDecryption, 0);
//AddLogs(isVerified.ToString(), 3);
break;
case 'U':
afterDecryption = String.Concat(halfMsg, client.sign.DecryptData(Convert.FromBase64String(msgCut)));
isVerified = client.sign.CheckNumbers(afterDecryption, 0);
AddLogs(isVerified.ToString(), 15);
break;
case 'V':
client.aes.setAesIV(msgCut);
break;
case 'W':
client.aes.setAesKeys(msgCut);
break;
default:
break;
}
buffer = new byte[1024];
mySocket.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, ref endRemote,
new AsyncCallback(MessageCallback), buffer);
});
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
/// <summary>
/// Przy zdarzeniu odebrania wiadomości pobiera ją, wypisuje do chatu bądź do obszaru logów
/// </summary>
/// <param name="result">zdarzenie</param>
private void MessageCallback(IAsyncResult result)
{
if (receive)
{
try
{
this.Dispatcher.Invoke(() =>
{
client.MessageCallback(result);
string msg = client.ReturnMessage();
char firstLetter = msg.ElementAt(0);
string msgCut = msg.Substring(1, msg.Length - 1);
switch (firstLetter)
{
case 'M':
client.sign.SetClientModulus(msgCut);
AddLogs(msg.Substring(1, msg.Length - 1), 3);
break;
case 'E':
client.sign.SetClientExponent(msgCut);
AddLogs(msgCut, 4);
break;
case 'D':
lock (List)
{
List.AppendText("Friend: " + msg + "\n");
List.SelectionStart = List.Text.Length;
List.ScrollToEnd();
}
break;
case 'K':
client.SetEncryptMsg(msgCut);
AddLogs(Convert.ToBase64String(client.encryptMsg) + "\n\n" + msgCut, 5);
break;
case 'S':
gotSignature = true;
client.SetEncryptSig(msgCut);
AddLogs(msgCut, 6);
AddLogs(client.VerifyMsg(), 10);
break;
case 'P':
client.protocol.SetPrimeNumber(Int32.Parse(msgCut));
AddLogs(msgCut, 7);
break;
case 'R':
client.protocol.SetPrimitiveRoot(Int32.Parse(msgCut));
AddLogs(msgCut, 8);
break;
case 'B':
client.protocol.SetReceivedNumber(msgCut);
client.protocol.CalculateReceivedNumber();
AddLogs(String.Concat(msgCut, " ", client.protocol.GetSecretKey()), 9);
break;
case 'Q':
client.sign.SetClientQ(msgCut);
AddLogs(msgCut, 11);
break;
case 'T':
client.sign.SetClientP(msgCut);
AddLogs(msgCut, 12);
break;
case 'U':
client.sign.SetClientDP(msgCut);
AddLogs(msgCut, 13);
break;
case 'V':
client.sign.SetClientDQ(msgCut);
AddLogs(msgCut, 14);
break;
case 'W':
client.sign.SetClientInverseQ(msgCut);
AddLogs(msgCut, 15);
break;
case 'X':
client.sign.SetClientD(msgCut);
AddLogs(msgCut, 16);
gotKeys = true;
break;
default:
break;
}
buffer = new byte[1024];
mySocket.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, ref endRemote,
new AsyncCallback(MessageCallback), buffer);
});
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}