temz 2023-03-17 12:11 采纳率: 100%
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C#客户端与java服务器如何作SSL socket通讯

C#客户端与java服务器如何作SSL socket通讯,有没有能实现的牛人给下代码例程看看

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  • dahe0825 2023-03-17 12:20
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    参考GPT和自己的思路,以下是建立 C# 客户端与 Java 服务器之间的 SSL socket 通讯的详细代码示例:

    Java 服务器端代码:

    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.net.ServerSocket;
    import java.net.Socket;
    import javax.net.ssl.SSLServerSocketFactory;
    import javax.net.ssl.SSLSocketFactory;
    
    public class SSLServer {
        public static void main(String[] args) throws Exception {
            int port = 8080;
    
            // 加载 SSL 证书
            System.setProperty("javax.net.ssl.keyStore", "server_keystore.jks");
            System.setProperty("javax.net.ssl.keyStorePassword", "password");
    
            // 创建 SSL socket 工厂
            SSLServerSocketFactory sslServerSocketFactory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
    
            // 创建服务器 socket
            ServerSocket serverSocket = sslServerSocketFactory.createServerSocket(port);
    
            System.out.println("服务器已启动,监听端口:" + port);
    
            while (true) {
                // 等待客户端连接
                Socket clientSocket = serverSocket.accept();
    
                System.out.println("客户端已连接:" + clientSocket.getInetAddress());
    
                // 创建输入输出流
                BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
    
                // 从客户端读取消息
                String message = in.readLine();
    
                System.out.println("接收到客户端的消息:" + message);
    
                // 向客户端发送响应消息
                out.println("服务器响应:" + message);
    
                // 关闭流和客户端 socket
                in.close();
                out.close();
                clientSocket.close();
            }
        }
    }
    
    

    C# 客户端代码:

    
    using System;
    using System.IO;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Authentication;
    using System.Security.Cryptography.X509Certificates;
    using System.Text;
    
    public class SSLClient {
        public static void Main() {
            int port = 8080;
    
            // 创建 SSL 证书集合
            X509CertificateCollection certCollection = new X509CertificateCollection();
            certCollection.Add(new X509Certificate2("client_certificate.pfx", "password"));
    
            // 创建 SSL 流
            TcpClient client = new TcpClient("localhost", port);
            SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
    
            // 客户端认证
            sslStream.AuthenticateAsClient("localhost", certCollection, SslProtocols.Tls12, false);
    
            Console.WriteLine("客户端已连接服务器");
    
            // 向服务器发送消息
            string message = "你好,服务器!";
            byte[] messageBytes = Encoding.UTF8.GetBytes(message);
            sslStream.Write(messageBytes);
            sslStream.Flush();
    
            Console.WriteLine("已向服务器发送消息:" + message);
    
            // 接收服务器的响应消息
            byte[] buffer = new byte[2048];
            int bytesRead = sslStream.Read(buffer, 0, buffer.Length);
            string response = Encoding.UTF8.GetString(buffer, 0, bytesRead);
    
            Console.WriteLine("接收到服务器的响应消息:" + response);
    
            // 关闭 SSL 流和客户端 socket
            sslStream.Close();
            client.Close();
        }
    
    private static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) {
        if (sslPolicyErrors == SslPolicyErrors.None) {
            return true;
        }
    
        Console.WriteLine("SSL 证书验证失败:" + sslPolicyErrors);
        return false;
    }
    
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
  • m0_73340666 2023-03-17 12:17
    关注

    该回答引自chatgpt
    下面是一个使用C#客户端和Java服务器进行SSL Socket通信的示例代码。请注意,此示例仅适用于演示目的,实际应用中需要进行更多的错误处理和安全措施。
    C#客户端代码:

    using System;
    using System.IO;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Authentication;
    using System.Security.Cryptography.X509Certificates;
    using System.Text;
    
    class Program
    {
        static void Main(string[] args)
        {
            TcpClient client = new TcpClient("serverIpAddress", 8080);
    
            SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
    
            try
            {
                sslStream.AuthenticateAsClient("serverName", null, SslProtocols.Tls, false);
            }
            catch (AuthenticationException e)
            {
                Console.WriteLine("Exception: {0}", e.Message);
                if (e.InnerException != null)
                {
                    Console.WriteLine("Inner exception: {0}", e.InnerException.Message);
                }
                Console.WriteLine("Authentication failed - closing the connection.");
                client.Close();
                return;
            }
    
            string message = "Hello from the client!";
            byte[] messageBytes = Encoding.UTF8.GetBytes(message);
    
            sslStream.Write(messageBytes);
            sslStream.Flush();
    
            Console.WriteLine("Message sent: {0}", message);
    
            byte[] buffer = new byte[2048];
            int bytes;
    
            while ((bytes = sslStream.Read(buffer, 0, buffer.Length)) > 0)
            {
                Console.WriteLine(Encoding.UTF8.GetString(buffer, 0, bytes));
            }
    
            client.Close();
        }
    
        private static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
        {
            if (sslPolicyErrors == SslPolicyErrors.None)
                return true;
    
            Console.WriteLine("Certificate error: {0}", sslPolicyErrors);
    
            // Do not allow this client to communicate with unauthenticated servers.
            return false;
        }
    }
    

    Java服务器代码:

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    import java.io.PrintWriter;
    import java.net.ServerSocket;
    import java.net.Socket;
    import java.security.KeyStore;
    import java.security.Security;
    import javax.net.ssl.KeyManagerFactory;
    import javax.net.ssl.SSLContext;
    import javax.net.ssl.SSLServerSocketFactory;
    import javax.net.ssl.SSLSocket;
    import javax.net.ssl.TrustManagerFactory;
    
    public class Server {
        public static void main(String[] args) throws Exception {
            // Set up key manager to do server authentication
            char[] passphrase = "password".toCharArray();
            KeyStore ks = KeyStore.getInstance("JKS");
            ks.load(Server.class.getResourceAsStream("/keystore.jks"), passphrase);
    
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
            kmf.init(ks, passphrase);
    
            // Set up trust manager to do client authentication
            TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
            tmf.init(ks);
    
            // Set up SSL context
            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
            sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
            SSLServerSocketFactory sslServerSocketFactory = sslContext.getServerSocketFactory();
    
            // Start server
            ServerSocket serverSocket = sslServerSocketFactory.createServerSocket(8080);
    
            System.out.println("Server started on port 8080");
    
            while (true) {
                // Accept client connections
                SSLSocket socket = (SSLSocket) serverSocket.accept();
    
                System.out.println("Client connected: " + socket.getInetAddress());
    
                BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                PrintWriter writer = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
    
                // Receive message from client
                String message = reader.readLine();
                System.out.println("Message received: " + message);
    
                // Send message back to client
                writer.println("Message received: " + message);
                writer.flush();
    
                socket.close();
                System.out.println("Client disconnected: " + socket.getInetAddress());
            }
        }
    }
    

    请注意,此示例假设存在一个名为“keystore.jks”的密钥库文件,其中包含服务器证书和私钥。您需要根据实际情况更改密码、密钥库和证书的位置。

    评论
  • threenewbee 2023-03-17 12:17
    关注
    评论
  • 「已注销」 2023-03-17 12:32
    关注

    参考GPT和自己的思路:以下是C#客户端和Java服务器之间进行SSL Socket通讯的示例代码:

    C#客户端:

    using System;
    using System.IO;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Authentication;
    using System.Security.Cryptography.X509Certificates;
    using System.Text;
    
    public class SslTcpClient
    {
        private static void DisplayUsage()
        {
            Console.WriteLine("Usage:");
            Console.WriteLine("   clientSync machineName [args]");
            Console.WriteLine("   clientSync machineName storeName");
            Console.WriteLine("   clientSync machineName storeName findType [findValue]");
            Environment.Exit(1);
        }
    
        public static void RunClient(string machineName, string serverName)
        {
            TcpClient client = new TcpClient(machineName, 8080);
            SslStream sslStream = new SslStream(
                client.GetStream(),
                false,
                new RemoteCertificateValidationCallback(ValidateServerCertificate),
                null
            );
            try
            {
                sslStream.AuthenticateAsClient(serverName);
                byte[] buffer = Encoding.UTF8.GetBytes("Hello, server!");
                sslStream.Write(buffer, 0, buffer.Length);
                sslStream.Flush();
                buffer = new byte[2048];
                int bytes = sslStream.Read(buffer, 0, buffer.Length);
                Console.WriteLine("Received: {0}", Encoding.UTF8.GetString(buffer, 0, bytes));
                client.Close();
            }
            catch (AuthenticationException e)
            {
                Console.WriteLine("Exception: {0}", e.Message);
                if (e.InnerException != null)
                {
                    Console.WriteLine("Inner exception: {0}", e.InnerException.Message);
                }
                Console.WriteLine("Authentication failed - closing the connection.");
                client.Close();
                return;
            }
        }
    
        private static bool ValidateServerCertificate(
              object sender,
              X509Certificate certificate,
              X509Chain chain,
              SslPolicyErrors sslPolicyErrors)
        {
            if (sslPolicyErrors == SslPolicyErrors.None)
                return true;
    
            Console.WriteLine("Certificate error: {0}", sslPolicyErrors);
            return false;
        }
    
        public static int Main(string[] args)
        {
            string serverName = "localhost";
            string machineName = Environment.MachineName;
    
            if (args == null || args.Length == 0)
            {
                DisplayUsage();
            }
    
            // User can specify the machine name and server name.
            // Server name must match the name on the server's certificate.
            machineName = args[0];
    
            if (args.Length < 2)
            {
                DisplayUsage();
            }
    
            serverName = args[1];
    
            RunClient(machineName, serverName);
    
            return 0;
        }
    }
    
    
    

    Java服务器:

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    import java.io.PrintWriter;
    import java.net.ServerSocket;
    import java.net.Socket;
    import javax.net.ssl.SSLServerSocket;
    import javax.net.ssl.SSLServerSocketFactory;
    import javax.net.ssl.SSLSocket;
    
    public class SslTcpServer {
        private static final int PORT = 8080;
    
        public static void main(String[] args) {
            SSLServerSocketFactory ssf = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
    
            try (SSLServerSocket serverSocket = (SSLServerSocket) ssf.createServerSocket(PORT)) {
                while (true) {
                    System.out.println("Waiting for client connection...");
                    SSLSocket socket = (SSLSocket) serverSocket.accept();
                    System.out.println("Client connected.");
    
                    BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                    PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream())), true);
    String inputLine;
                while ((inputLine = in.readLine()) != null) {
                    System.out.println("Received message: " + inputLine);
                    out.println("Server received message: " + inputLine);
                }
    
                in.close();
                out.close();
                socket.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    }
    
    
    
    评论
  • 关注

    基于最新版ChatGPT4的回答,望采纳!!!有其他问题也可以询问我哦、”(最新版更智能,功能更加强大)

    在C#客户端和Java服务器之间进行SSL Socket通信,您需要在两边设置适当的SSL/TLS配置。以下是一个简单的示例:

    Java服务器端代码:

    javaCopy code
    import javax.net.ssl.SSLServerSocket;
    import javax.net.ssl.SSLServerSocketFactory;
    import javax.net.ssl.SSLSocket;
    import java.io.BufferedReader;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    
    public class SSLServer {
        public static void main(String[] args) {
            int port = 12345;
    
            try {
                SSLServerSocketFactory sslServerSocketFactory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
                SSLServerSocket sslServerSocket = (SSLServerSocket) sslServerSocketFactory.createServerSocket(port);
                System.out.println("SSL Server started on port " + port);
    
                SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
                System.out.println("Client connected");
    
                BufferedReader in = new BufferedReader(new InputStreamReader(sslSocket.getInputStream()));
                PrintWriter out = new PrintWriter(sslSocket.getOutputStream(), true);
    
                String line;
                while ((line = in.readLine()) != null) {
                    System.out.println("Received from client: " + line);
                    out.println("Server response: " + line.toUpperCase());
                }
    
                in.close();
                out.close();
                sslSocket.close();
                sslServerSocket.close();
    
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    

    C#客户端代码:

    csharpCopy code
    using System;
    using System.IO;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Authentication;
    using System.Security.Cryptography.X509Certificates;
    using System.Text;
    
    namespace SSLClient
    {
        class Program
        {
            static void Main(string[] args)
            {
                string serverAddress = "localhost";
                int serverPort = 12345;
    
                try
                {
                    TcpClient client = new TcpClient(serverAddress, serverPort);
                    Console.WriteLine("Connected to server");
    
                    SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
                    sslStream.AuthenticateAsClient(serverAddress);
    
                    StreamWriter writer = new StreamWriter(sslStream);
                    StreamReader reader = new StreamReader(sslStream);
    
                    string messageToSend = "Hello, Java SSL Server!";
                    Console.WriteLine("Sending: " + messageToSend);
                    writer.WriteLine(messageToSend);
                    writer.Flush();
    
                    string response = reader.ReadLine();
                    Console.WriteLine("Received: " + response);
    
                    client.Close();
                }
                catch (Exception e)
                {
                    Console.WriteLine("Error: " + e.Message);
                }
            }
    
            public static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
            {
                if (sslPolicyErrors == SslPolicyErrors.None)
                    return true;
    
                Console.WriteLine("Certificate error: {0}", sslPolicyErrors);
                return false;
            }
        }
    }
    

    在运行这些示例之前,您需要确保Java服务器已配置了SSL证书(通常为.keystore文件)。在实际应用中,您需要使用可信的CA签发的证书。同时,您可能需要在C#客户端中对服务器证书进行验证。

    注意:这个示例提供了一个简单的实现,用于演示如何在C#客户端和Java服务器之间使用SSL Socket通信。在实际应用中,您可能需要根据具体需求调整代码,例如处理异常、添加超时

    评论
  • 智能互联网民工 2023-03-17 13:57
    关注

    该回答引用ChatGPT4
    要在 C# 客户端和 Java 服务器之间执行 SSL 套接字通信,您需要使用 TLS/SSL 建立安全通信。在此示例中,我们将使用自签名证书进行演示。但是,在生产中,您应该使用来自受信任的证书颁发机构 (CA) 的证书。

    可以分为以下几个步骤
    1、先生成证书,使用 keytool(包含在 Java 中)生成自签名证书:

    keytool -genkey -alias selfsigned -keyalg RSA -keysize 2048 -validity 365 -keystore keystore.jks -storetype JKS -dname "CN=localhost, OU=OrgUnit, O=YourOrg, L=City, S=State, C=Country" -storepass changeit
    

    2、创建 Java 服务器:

    import javax.net.ssl.*;
    import java.io.*;
    import java.security.KeyStore;
    
    public class SSLServer {
        public static void main(String[] args) throws Exception {
            int port = 12345;
            String keystorePath = "keystore.jks";
            String keystorePassword = "changeit";
    
            KeyStore keyStore = KeyStore.getInstance("JKS");
            keyStore.load(new FileInputStream(keystorePath), keystorePassword.toCharArray());
    
            KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
            kmf.init(keyStore, keystorePassword.toCharArray());
    
            TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            tmf.init(keyStore);
    
            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
    
            SSLServerSocketFactory sslServerSocketFactory = sslContext.getServerSocketFactory();
            SSLServerSocket sslServerSocket = (SSLServerSocket) sslServerSocketFactory.createServerSocket(port);
            sslServerSocket.setNeedClientAuth(false);
    
            System.out.println("SSL Server is ready and waiting for a connection...");
    
            SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
    
            BufferedReader in = new BufferedReader(new InputStreamReader(sslSocket.getInputStream()));
            PrintWriter out = new PrintWriter(sslSocket.getOutputStream(), true);
    
            String input;
            while ((input = in.readLine()) != null) {
                System.out.println("Received: " + input);
                out.println("Echo: " + input);
            }
    
            in.close();
            out.close();
            sslSocket.close();
            sslServerSocket.close();
        }
    }
    

    3、创建 C# 客户端:

    using System;
    using System.IO;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Cryptography.X509Certificates;
    
    namespace SSLClient {
        class Program {
            static void Main(string[] args) {
                string serverIP = "localhost";
                int port = 12345;
    
                TcpClient client = new TcpClient(serverIP, port);
                SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
    
                try {
                    sslStream.AuthenticateAsClient(serverIP);
                } catch (Exception e) {
                    Console.WriteLine("Authentication failed - closing the connection.");
                    client.Close();
                    return;
                }
    
                StreamWriter writer = new StreamWriter(sslStream);
                StreamReader reader = new StreamReader(sslStream);
    
                writer.WriteLine("Hello, Java SSL Server!");
                writer.Flush();
                Console.WriteLine("Sent: Hello, Java SSL Server!");
    
                string response = reader.ReadLine();
                Console.WriteLine("Received: " + response);
    
                writer.Close();
                reader.Close();
                client.Close();
            }
    
            public static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicy
    
    评论
  • 蓝白、波罗歌 2023-03-17 17:08
    关注

    以下答案由GPT-3.5大模型与博主波罗歌共同编写:
    要在C#客户端和Java服务器之间通过SSL socket进行通信,需要使用C#中的SslStream和Java中的SSLSocket。

    以下是一个简单的代码例程:

    C#客户端:

    using System;
    using System.Net.Security;
    using System.Net.Sockets;
    using System.Security.Authentication;
    using System.Security.Cryptography.X509Certificates;
    
    namespace SslClient
    {
        class Program
        {
            private static readonly string serverName = "example.com";
            private static readonly int serverPort = 443;
            private static readonly string certificateThumbprint = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
    
            static void Main(string[] args)
            {
                TcpClient client = new TcpClient(serverName, serverPort);
                SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
                sslStream.AuthenticateAsClient(serverName);
    
                // 进行SSL socket通讯,发送和接收数据的代码
    
                sslStream.Close();
                client.Close();
            }
    
            private static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
            {
                // 检查服务器证书是否与指定的证书指纹匹配
                return certificate != null && certificate.GetCertHashString().Equals(certificateThumbprint, StringComparison.OrdinalIgnoreCase);
            }
        }
    }
    

    Java服务器:

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.security.KeyStore;
    import javax.net.ssl.*;
    
    public class SslServer {
        private static final int PORT = 443;
        private static final String KEYSTORE_PATH = "path/to/keystore.jks";
        private static final String KEYSTORE_PASSWORD = "keystore_password";
        private static final String KEY_PASSWORD = "key_password";
    
        public static void main(String[] args) {
            try {
                KeyStore keystore = KeyStore.getInstance("JKS");
                keystore.load(SslServer.class.getResourceAsStream(KEYSTORE_PATH), KEYSTORE_PASSWORD.toCharArray());
    
                KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
                kmf.init(keystore, KEY_PASSWORD.toCharArray());
    
                TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                tmf.init(keystore);
    
                SSLContext sslContext = SSLContext.getInstance("TLS");
                sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
    
                SSLServerSocketFactory sslServerSocketFactory = sslContext.getServerSocketFactory();
                SSLServerSocket sslServerSocket = (SSLServerSocket) sslServerSocketFactory.createServerSocket(PORT);
    
                SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
    
                // 进行SSL socket通讯,发送和接收数据的代码
    
                sslSocket.close();
                sslServerSocket.close();
    
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    

    注意事项:

    1. C#客户端需要指定服务器的主机名和端口号,并验证服务器证书是否与事先指定的证书指纹匹配。
    2. Java服务器需要使用SSLServerSocketFactory创建SSLServerSocket,并指定证书、密钥等相关信息。
      如果我的回答解决了您的问题,请采纳!
    评论
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