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());
}
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 RSAUserPrivateparam rsaPrivateParams=new RSAUserPrivateparam();
public void TCP_Client()
{
c_s.commands = "SendCleint";
byte[] plainData = Encoding.UTF8.GetBytes("China");
//创建RSACryptoServiceProvider实例，以自动生成公钥对并保存之
RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider();
//set Init Public Key
c_s.clientRSAPublicPar = rsaProvider.ExportParameters(false);
//导出参数信息，包含私钥
rsaPrivateParameter = rsaProvider.ExportParameters(true);
//
rsaProvider.Clear();
//使用私钥对消息进行签名 保存签名
c_s.rsaSignData = RSA_C_S.RsaSignData(plainData, rsaPrivateParameter);
while (true)
{
Console.WriteLine(" 0 Create TCP Client & Connect Server.");
Console.WriteLine(" 1 Put Key To Server");
Console.WriteLine(" 2 Get Client List.");
Console.WriteLine(" 3 Talk To Another Client.");
Console.WriteLine(" 4 Exit!");
int number = Convert.ToInt32(Console.ReadLine());
switch (number)
{
case 0:
ConnectServer();
break;
case 1:
SendPublicKey();
break;
case 2:
GetClientList();
break;
case 3:
ClientToClient();
break;
case 4:
ClientClose();
return;
}
}
}