private void buttSend_Click(object sender, EventArgs e)
{
try
{
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
byte[] msg = new byte[1500];
msg = enc.GetBytes(TextMessBoxC1.Text);
//send the message to other client
sck.Send(msg);
items.Add(" You: " + TextMessBoxC1.Text);
listBoxClient1.DataSource = null;
listBoxClient1.DataSource = items;
//listBoxClient1.Items.Add("You: " + TextMessBoxC1.Text);
TextMessBoxC1.Clear();
}
catch (Exception exp)
{
textBoxEMessage.Text = "You need to connect first";
MessageBox.Show(exp.ToString());
textBoxEMessage.Clear();
}
}
private void buttConnect_Click(object sender, EventArgs e)
{
try
{
//binding socket
epLocal = new IPEndPoint(IPAddress.Parse(textBoxHostIP.Text), Convert.ToInt32(textBoxHPort.Text));
sck.Bind(epLocal);
//connection with remote host
epRemote = new IPEndPoint(IPAddress.Parse(textBoxDesIP.Text), Convert.ToInt32(textBoxDesPort.Text));
sck.Connect(epRemote);
// listening
byte[] buffer = new byte[1500];
sck.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, ref epRemote, new AsyncCallback(MessageCallBack), buffer);
textBoxEMessage.Text = "Your friend is now connected";
//buttConnect.Text = "Connected";
buttConnect.Enabled = false;
buttSend.Enabled = true;
TextMessBoxC1.Focus();
}
catch (Exception exp)
{
MessageBox.Show(exp.ToString());
}
}
private void buttCrypSend_Click(object sender, EventArgs e)
{
// EXAMPLE
//string plainText = "The quick brown fox jumped over the lazy dog.";
//string cipherText = blowFish.Encrypt_CBC(plainText);
//MessageBox.Show(cipherText);
//plainText = blowFish.Decrypt_CBC(cipherText);
//MessageBox.Show(plainText);
//System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
////byte[] msg = new byte[1500];
//msg = enc.GetBytes(TextMessBoxC1.Text);
////send the message to other client
//sck.Send(msg);
//items.Add(" You: " + TextMessBoxC1.Text);
//listBoxClient1.DataSource = null;
//listBoxClient1.DataSource = items;
try
{
System.Text.ASCIIEncoding encode = new System.Text.ASCIIEncoding();
byte[] msg = new byte[1500];
//msg = encode.GetBytes(TextMessBoxC1.Text);
string hmsg = TextMessBoxC1.Text;
string encrypted = blowFish.Encrypt_CBC(hmsg);
msg = encode.GetBytes(encrypted);
//send the message to other client
sck.Send(msg);
items.Add(" You: " + TextMessBoxC1.Text);
listBoxClient1.DataSource = null;
listBoxClient1.DataSource = items;
//listBoxClient1.Items.Add("You: " + TextMessBoxC1.Text);
TextMessBoxC1.Clear();
}
catch (Exception exp)
{
textBoxEMessage.Text = "You need to connect first";
MessageBox.Show(exp.ToString());
textBoxEMessage.Clear();
}
}
