public void UDP_Client(UdpClient _udpClient, ClientServer clientServer, RSAParameters rsaPrivateParams)
{
udpClient = _udpClient;
rsaPrivatePara = rsaPrivateParams;
csData = clientServer;
//获取目标UDP IP&Port
clientEndPoint = clientServer.udpIPPort;
//获取客户端IP和Port
while (true)
{
Console.WriteLine(" 1 Send Message To UDP");
Console.WriteLine(" 2 Close Connect");
int Num = Convert.ToInt32(Console.ReadLine());
switch (Num)
{
case 1:
ClientSendClient();
break;
case 2:
ClientClose();
break;
}
}
}
public void DataComm(object obj_clientSocket)
{
Socket clientSocket = obj_clientSocket as Socket;
EndPoint remoteEndPoint = clientSocket.RemoteEndPoint;
//接收客户端信息
int bufferLength = 0;//= clientSocket.Receive(buffer);
while (true)
{
try
{
bufferLength = clientSocket.Receive(buffer);
}
catch (Exception ex)
{
//关闭连接时出错，不做任何反应
Console.WriteLine("Client Closed...");
}
//创建内存流
MemoryStream mStream = new MemoryStream();
BinaryFormatter bFormatter = new BinaryFormatter();
mStream.Write(buffer, 0, bufferLength);
mStream.Flush();
mStream.Position = 0;
//数据反序列化
ClientServer cs = bFormatter.Deserialize(mStream) as ClientServer;
/*bool isClient = false;
* foreach (ClientServer c in csList)
* {
* if (c.tcpIPPort == cs.tcpIPPort)
* {
* isClient = true;
* }
* }*/
if (cs.commands == "SendCleint")
{
csList.Add(cs);
Console.WriteLine("Server receive {0} Sucess", csList.Count);
}
if (cs.commands == "GetList")
{
//发送客户端列表
MemoryStream mStream_ = new MemoryStream();
BinaryFormatter bFormatter_ = new BinaryFormatter();
//对象序列化
bFormatter_.Serialize(mStream_, csList);
mStream_.Flush();
mStream_.Position = 0;
//Send
clientSocket.Send(mStream_.GetBuffer(), (int)mStream_.Length, SocketFlags.None);
}
Console.WriteLine("List {0}", csList.Count);
}
}
private static void UDPReceiveServer(object client)
{
UdpClient udpServer = client as UdpClient;
Console.WriteLine("UDP Server Enable........");
while (true)
{
//Console.WriteLine("等待接收数据");
IPEndPoint clientEndPoint = null;
try
{
buffer = udpServer.Receive(ref clientEndPoint);
}catch (Exception ex)
{
Console.WriteLine("Client Closeing");
}
//对buffer数据进行认证和
MemoryStream mStream = new MemoryStream();
BinaryFormatter bFormatter = new BinaryFormatter();
mStream.Write(buffer, 0, buffer.Length);
mStream.Flush();
mStream.Position = 0;
ClientServer cs = bFormatter.Deserialize(mStream) as ClientServer;
//解密
//设置DES脱密密钥
Console.WriteLine("Please Input Key");
//string KEY_64 = Console.ReadLine();
string KEY_64 = "A4G-8=Jk";
Console.WriteLine(KEY_64);
//设置初始化向量
Console.WriteLine("PLease INput IV");
//string IV_64 = Console.ReadLine();
string IV_64 = "JKbN=5[?";
Console.WriteLine(IV_64);
byte[] KeyBytes = Encoding.UTF8.GetBytes(KEY_64);
byte[] IVBytes = Encoding.UTF8.GetBytes(IV_64);
//先DES解密
byte[] plainData = DES_C_C.TransformBuffer(cs.dasEncryptData, "Decrypt", KeyBytes, IVBytes);
string receiveMsg = Encoding.UTF8.GetString(plainData);
//验证签名
//Console.WriteLine("UDP Server DES Data*****: {0}", BitConverter.ToString(plainData));
//Console.WriteLine("UDP Server Sign Data*****: {0}", BitConverter.ToString(cs.rsaSignData));
//Console.WriteLine("UDP Server DES Data*****: {0}", BitConverter.ToString(cs.dasEncryptData));
//Console.WriteLine("UDP Client DES Data*****: {0}", BitConverter.ToString(cs.clientRSAPublicPar.Exponent));
//Console.WriteLine("UDP Client DES Data*****: {0}", BitConverter.ToString(cs.clientRSAPublicPar.Modulus));
//对数据进行验证签名
bool isRight = RSA_C_S.RsaVerifyData(plainData, cs.clientRSAPublicPar, cs.rsaSignData);
string VerifyResult = isRight ? "YES" : "NO";
Console.WriteLine("Server Message****Verify Result :{0}", VerifyResult);
Console.WriteLine("Server Message****Receive From {0} Message:{1} ", clientEndPoint.ToString(), receiveMsg);
}
}
private static void ClientToClient()
{
foreach (ClientServer _cs in csList)
{
if (_cs.tcpIPPort.ToString() == clientSocket.LocalEndPoint.ToString())
{
Console.WriteLine("{0} is Client {1} LocalHost!!", csList.IndexOf(_cs), _cs.tcpIPPort.ToString());
continue;
}
Console.WriteLine("{0} Client {1}", csList.IndexOf(_cs), _cs.tcpIPPort.ToString());
}
Console.WriteLine("Please Select Client Number:");
int number = Convert.ToInt32(Console.ReadLine());
//set number check
c_s = csList[number];
Console.WriteLine(c_s.tcpIPPort.ToString());
//创建UDP Client
new UDPClient().UDP_Client(udpClient, c_s, rsaPrivateParameter);
}
