/// <summary>
/// Convert this color to an hex string with format #AARRGGBB
/// </summary>
/// <returns>Hex string.</returns>
public string ColorToHex()
{
return(String.Format("#{0}{1}{2}{3}"
, Ab.ToString("X").Length == 1 ? String.Format("0{0}", Ab.ToString("X")) : Ab.ToString("X")
, Rb.ToString("X").Length == 1 ? String.Format("0{0}", Rb.ToString("X")) : Rb.ToString("X")
, Gb.ToString("X").Length == 1 ? String.Format("0{0}", Gb.ToString("X")) : Gb.ToString("X")
, Bb.ToString("X").Length == 1 ? String.Format("0{0}", Bb.ToString("X")) : Bb.ToString("X")));
}
public void KeyCallBack(IAsyncResult aRes)
{
try
{
int size = socket.EndReceiveFrom(aRes, ref trentPoint);
Thread.Sleep(700);
socket.Connect(remotePoint);
byte[] buf = new byte[128];
Random r = new Random();
if (size > 0)
{
byte[] recData = new byte[128];
recData = (byte[])aRes.AsyncState;
ASCIIEncoding aSCIIEncoding = new ASCIIEncoding();
if (init)
{
if (firstMsg == "")
{
recData = recData.Skip(1).ToArray();
byte[] decrMsg = crypt(recData, Kt);
string dMsg = aSCIIEncoding.GetString(decrMsg);
string[] g = dMsg.Split(':');
K = Convert.ToInt32(g[0]);
Rb = r.Next(10000, 9999999);
byte[] crMsg = crypt(Rb.ToString(), K);
socket.SendTo(crMsg, remotePoint);
socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref remotePoint, new AsyncCallback(KeyCallBack), buf);
firstMsg = "1";
return;
}
if (takeRa)
{
byte[] decrMsg = crypt(recData, Kt);
int n = Array.LastIndexOf(decrMsg, (byte)58);
byte[] b = decrMsg.Take(n).ToArray();
byte[] b2 = decrMsg.Skip(n).ToArray();
string[] dMsg = aSCIIEncoding.GetString(b).Split(':');
takeRa = false;
if (Ra.ToString() != dMsg[0])
{
MessageBox.Show("Ra не совпадает!");
return;
}
else
{
K = Convert.ToInt32(dMsg[2]);
socket.SendTo(b2, remotePoint);
socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref remotePoint, new AsyncCallback(KeyCallBack), buf);
return;
}
}
if (takeBa)
{
//byte[] recData = new byte[128];
recData = (byte[])aRes.AsyncState;
//ASCIIEncoding aSCIIEncoding = new ASCIIEncoding();
byte[] decrMsg = crypt(recData, K);
byte[] b = new byte[decrMsg.Length];
for (int i = 0; i < decrMsg.Length; i++)
{
if (48 > decrMsg[i] || decrMsg[i] > 57)
{
Array.Copy(decrMsg, b, i);
break;
}
}
string s = aSCIIEncoding.GetString(b);
int Rb_1 = Convert.ToInt32(s) - 1;
socket.SendTo(crypt(Rb_1.ToString(), K), remotePoint);
msgList.Items.Add("Ключ установлен!");
decrMsg = crypt(firstMsg, K);
init = false;
socket.SendTo(decrMsg, remotePoint);
msgList.Items.Add("You: " + firstMsg);
socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref remotePoint, new AsyncCallback(KeyCallBack), buf);
}
else
{
byte[] decrMsg = crypt(recData, K);
byte[] b = new byte[decrMsg.Length];
takeBa = false;
for (int i = 0; i < decrMsg.Length; i++)
{
if (48 > decrMsg[i] || decrMsg[i] > 57)
{
Array.Copy(decrMsg, b, i);
break;
}
}
string s = aSCIIEncoding.GetString(b);
if (Rb != Convert.ToInt32(s) + 1)
{
MessageBox.Show("Rb не совпадает!");
return;
}
else
{
msgList.Items.Add("Ключ установлен!");
init = false;
socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref remotePoint, new AsyncCallback(KeyCallBack), buf);
return;
}
}
}
else
{
byte[] encA = crypt(recData, K);
string rA = aSCIIEncoding.GetString(encA);
if (rA.IndexOf('?') != -1)
{
rA = rA.Substring(0, rA.IndexOf('?'));
}
else if (rA.IndexOf('\t') != -1)
{
rA = rA.Substring(0, rA.IndexOf('\t'));
}
msgList.Items.Add(friendName + ": " + rA);
socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref remotePoint, new AsyncCallback(KeyCallBack), buf);
return;
}
}
//socket.BeginReceiveFrom(buf, 0, buf.Length, SocketFlags.None, ref trentPoint, new AsyncCallback(KeyCallBack), buf);
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}