public void ClientSendClient()
        {
            //输入发送的消息
            Console.WriteLine("Send {0} Message:", clientEndPoint.ToString());
            //string sendMsg = Console.ReadLine();
            //1.准备要签名的原文消息
            string sendMsg = "China";

            //对消息进行二进制编码
            byte[] plainData = Encoding.UTF8.GetBytes(sendMsg);
            //打印消息
            Console.WriteLine("PlainText:" + sendMsg);
            //DES加密
            //设置加密密钥
            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);


            //Console.WriteLine();
            //用客户端私钥数据进行签名
            csData.rsaSignData = RSA_C_S.RsaSignData(plainData, rsaPrivatePara);
            //对消息进行加密
            csData.dasEncryptData = DES_C_C.TransformBuffer(plainData, "Encrypt", KeyBytes, IVBytes);
            //Console.WriteLine("UDP Server DES Data*****: {0}", BitConverter.ToString(plainData));
            //Console.WriteLine("UDP Client Sign Data*****: {0}",BitConverter.ToString(csData.rsaSignData));
            //Console.WriteLine("UDP Server DES Data*****: {0}", BitConverter.ToString(csData.dasEncryptData));
            //Console.WriteLine("UDP Client DES Data*****: {0}", BitConverter.ToString(csData.clientRSAPublicPar.Exponent));
            // Console.WriteLine("UDP Client DES Data*****: {0}", BitConverter.ToString(csData.clientRSAPublicPar.Modulus));
            //csData序列化
            MemoryStream    mStream    = new MemoryStream();
            BinaryFormatter bFormatter = new BinaryFormatter();

            bFormatter.Serialize(mStream, csData);
            mStream.Flush();
            mStream.Position = 0;
            //发送对象
            try
            {
                udpClient.Send(mStream.GetBuffer(), (int)mStream.Length, clientEndPoint);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Send Error!!! | Remote Client isn't Open Listening");
                Console.WriteLine(ex.ToString());
            }
            Console.WriteLine("{0} to {1} Sucess", udpClient.Client.LocalEndPoint.ToString(), clientEndPoint.ToString());
        }
Exemple #2
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        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);
            }
        }