Java Android NoClassDefFoundError-RSA加密

我正在做一个概念项目

我有一个服务器和客户端，它们都是用Kryonet TCP/UDP库实现的。它在我的计算机上与纯Java一样工作良好，但是当我尝试在Android上执行一些代码时，它给出了以下结果

LogCat输出：

07-18 15:35:40.718: E/AndroidRuntime(19229): FATAL EXCEPTION: main
07-18 15:35:40.718: E/AndroidRuntime(19229): Process: com.example.kryoandrochat, PID: 19229
07-18 15:35:40.718: E/AndroidRuntime(19229): java.lang.NoClassDefFoundError: sun.security.rsa.RSAPublicKeyImpl
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.example.kryoandrochat.MainActivity.onClick(MainActivity.java:133)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.view.View.performClick(View.java:4626)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.view.View$PerformClick.run(View.java:19300)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Handler.handleCallback(Handler.java:733)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Handler.dispatchMessage(Handler.java:95)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Looper.loop(Looper.java:157)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.app.ActivityThread.main(ActivityThread.java:5293)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at java.lang.reflect.Method.invokeNative(Native Method)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at java.lang.reflect.Method.invoke(Method.java:515)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1265)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1081)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at dalvik.system.NativeStart.main(Native Method)

package com.example.kryoandrochat;

import java.io.IOException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;

import sun.security.rsa.RSAPublicKeyImpl;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.esotericsoftware.kryonet.Client;
import com.esotericsoftware.kryonet.Connection;
import com.esotericsoftware.kryonet.Listener;

public class MainActivity extends Activity implements OnClickListener{

    private Client client;
    private TextView tv;
    private EditText et;
    private Button send;
    private PublicKey publicKey, targetsPublicKey;
    private String targetUserName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv = (TextView) findViewById(R.id.chatTextView);
        et = (EditText) findViewById(R.id.chatField);
        send = (Button) findViewById(R.id.send);
        send.setOnClickListener(this);

        client = new Client();
        new NetworkTask().execute("");

        client.addListener(new Listener(){

            public void received (Connection connection, Object object) {

                if(object instanceof ClientConnectedPacket){
                    ClientConnectedPacket ccp = (ClientConnectedPacket) object;
                    tv.setText(ccp.userName + " is online now. \n");
                    PublicKeyPacket pkp = new PublicKeyPacket();
                    StringBuilder stringBuilder = new StringBuilder();
                    stringBuilder.append(((RSAPublicKeyImpl) publicKey).getModulus().toString());
                    stringBuilder.append("|");
                    stringBuilder.append(((RSAPublicKeyImpl) publicKey).getPublicExponent().toString());
                    String serPK = stringBuilder.toString();
                    pkp.publicKey = serPK;
                    pkp.targetUserName = targetUserName;
                    client.sendTCP(pkp);

                } 
            }
        });     

    }

    private class NetworkTask extends AsyncTask<String, Void, String> {

        @Override
        protected String doInBackground(String... params) {
            try {

                client.connect(10000, "myHostIP", 27960, 8008);

                new Thread(client).start();

            } catch (IOException e) {
                e.printStackTrace();
                System.out.println("Baglanamadik.");
            }   

            new Thread(client).start();

            return "Connected";
        }

        @Override
        protected void onPostExecute(String result) {

            tv.setText("We are connected");
        }

        @Override
        protected void onPreExecute() {

            client.getKryo().register(ChatPacket.class);
            client.getKryo().register(ClientConnectedPacket.class);
            client.getKryo().register(UserConnectedPacket.class);
            client.getKryo().register(UserDisconnectedPacket.class);    
            client.getKryo().register(KeyPairGenerator.class);
            client.getKryo().register(KeyPair.class);
            client.getKryo().register(PublicKey.class);
            client.getKryo().register(PrivateKey.class);
            client.getKryo().register(PublicKeyPacket.class);
            //client.getKryo().register(sun.security.rsa.RSAPublicKeyImpl.class);
            //client.getKryo().register(sun.security.x509.AlgorithmId.class);
            //client.getKryo().register(sun.security.util.ObjectIdentifier.class);
            client.getKryo().register(byte[].class);
            client.getKryo().register(java.math.BigInteger.class);


        }

        @Override
        protected void onProgressUpdate(Void... values) {}
    }

    @Override
    public void onClick(View v) {

        if (v == send){

            String temp = "";
            temp = et.getText().toString();
            if (!temp.equals("")){

                ChatPacket c = new ChatPacket();
                c.userName = "user3";
                c.targetUserName = targetUserName;

                PublicKeyPacket pkp = new PublicKeyPacket();
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(((RSAPublicKeyImpl) publicKey).getModulus().toString());
                stringBuilder.append("|");
                stringBuilder.append(((RSAPublicKeyImpl) publicKey).getPublicExponent().toString());
                String serPK = stringBuilder.toString();
                pkp.publicKey = serPK;
                pkp.userName = "user3";
                pkp.targetUserName = targetUserName;
                client.sendTCP(pkp);

                /*try {
                    c.message = encryptData(temp);
                } catch (IOException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }*/
                client.sendTCP(c);
            }

        }

    }
}

我在我的项目中包括了JRE系统库，但没有任何变化

以下是客户端代码：

07-18 15:35:40.718: E/AndroidRuntime(19229): FATAL EXCEPTION: main
07-18 15:35:40.718: E/AndroidRuntime(19229): Process: com.example.kryoandrochat, PID: 19229
07-18 15:35:40.718: E/AndroidRuntime(19229): java.lang.NoClassDefFoundError: sun.security.rsa.RSAPublicKeyImpl
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.example.kryoandrochat.MainActivity.onClick(MainActivity.java:133)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.view.View.performClick(View.java:4626)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.view.View$PerformClick.run(View.java:19300)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Handler.handleCallback(Handler.java:733)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Handler.dispatchMessage(Handler.java:95)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.os.Looper.loop(Looper.java:157)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at android.app.ActivityThread.main(ActivityThread.java:5293)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at java.lang.reflect.Method.invokeNative(Native Method)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at java.lang.reflect.Method.invoke(Method.java:515)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1265)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1081)
07-18 15:35:40.718: E/AndroidRuntime(19229):    at dalvik.system.NativeStart.main(Native Method)

package com.example.kryoandrochat;

import java.io.IOException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;

import sun.security.rsa.RSAPublicKeyImpl;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.esotericsoftware.kryonet.Client;
import com.esotericsoftware.kryonet.Connection;
import com.esotericsoftware.kryonet.Listener;

public class MainActivity extends Activity implements OnClickListener{

    private Client client;
    private TextView tv;
    private EditText et;
    private Button send;
    private PublicKey publicKey, targetsPublicKey;
    private String targetUserName;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv = (TextView) findViewById(R.id.chatTextView);
        et = (EditText) findViewById(R.id.chatField);
        send = (Button) findViewById(R.id.send);
        send.setOnClickListener(this);

        client = new Client();
        new NetworkTask().execute("");

        client.addListener(new Listener(){

            public void received (Connection connection, Object object) {

                if(object instanceof ClientConnectedPacket){
                    ClientConnectedPacket ccp = (ClientConnectedPacket) object;
                    tv.setText(ccp.userName + " is online now. \n");
                    PublicKeyPacket pkp = new PublicKeyPacket();
                    StringBuilder stringBuilder = new StringBuilder();
                    stringBuilder.append(((RSAPublicKeyImpl) publicKey).getModulus().toString());
                    stringBuilder.append("|");
                    stringBuilder.append(((RSAPublicKeyImpl) publicKey).getPublicExponent().toString());
                    String serPK = stringBuilder.toString();
                    pkp.publicKey = serPK;
                    pkp.targetUserName = targetUserName;
                    client.sendTCP(pkp);

                } 
            }
        });     

    }

    private class NetworkTask extends AsyncTask<String, Void, String> {

        @Override
        protected String doInBackground(String... params) {
            try {

                client.connect(10000, "myHostIP", 27960, 8008);

                new Thread(client).start();

            } catch (IOException e) {
                e.printStackTrace();
                System.out.println("Baglanamadik.");
            }   

            new Thread(client).start();

            return "Connected";
        }

        @Override
        protected void onPostExecute(String result) {

            tv.setText("We are connected");
        }

        @Override
        protected void onPreExecute() {

            client.getKryo().register(ChatPacket.class);
            client.getKryo().register(ClientConnectedPacket.class);
            client.getKryo().register(UserConnectedPacket.class);
            client.getKryo().register(UserDisconnectedPacket.class);    
            client.getKryo().register(KeyPairGenerator.class);
            client.getKryo().register(KeyPair.class);
            client.getKryo().register(PublicKey.class);
            client.getKryo().register(PrivateKey.class);
            client.getKryo().register(PublicKeyPacket.class);
            //client.getKryo().register(sun.security.rsa.RSAPublicKeyImpl.class);
            //client.getKryo().register(sun.security.x509.AlgorithmId.class);
            //client.getKryo().register(sun.security.util.ObjectIdentifier.class);
            client.getKryo().register(byte[].class);
            client.getKryo().register(java.math.BigInteger.class);


        }

        @Override
        protected void onProgressUpdate(Void... values) {}
    }

    @Override
    public void onClick(View v) {

        if (v == send){

            String temp = "";
            temp = et.getText().toString();
            if (!temp.equals("")){

                ChatPacket c = new ChatPacket();
                c.userName = "user3";
                c.targetUserName = targetUserName;

                PublicKeyPacket pkp = new PublicKeyPacket();
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(((RSAPublicKeyImpl) publicKey).getModulus().toString());
                stringBuilder.append("|");
                stringBuilder.append(((RSAPublicKeyImpl) publicKey).getPublicExponent().toString());
                String serPK = stringBuilder.toString();
                pkp.publicKey = serPK;
                pkp.userName = "user3";
                pkp.targetUserName = targetUserName;
                client.sendTCP(pkp);

                /*try {
                    c.message = encryptData(temp);
                } catch (IOException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }*/
                client.sendTCP(c);
            }

        }

    }
}

package com.example.kryoandrochat；
导入java.io.IOException；
导入java.security.KeyPair；
导入java.security.KeyPairGenerator；
导入java.security.PrivateKey；
导入java.security.PublicKey；
导入sun.security.rsa.RSAPublicKeyImpl；
导入android.app.Activity；
导入android.os.AsyncTask；
导入android.os.Bundle；
导入android.view.view；
导入android.view.view.OnClickListener；
导入android.widget.Button；
导入android.widget.EditText；
导入android.widget.TextView；
导入com.esotericsoftware.kryonet.Client；
导入com.esotericsoftware.kryonet.Connection；
导入com.esotericsoftware.kryonet.Listener；
公共类MainActivity扩展活动实现OnClickListener{
私人客户；
私家图文电视；
私人编辑；
私人按钮发送；
私钥公钥，targetsPublicKey；
私有字符串targetUserName；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
tv=（TextView）findViewById（R.id.chatTextView）；
et=（EditText）findViewById（R.id.chatField）；
send=（按钮）findviewbyd（R.id.send）；
send.setOnClickListener（this）；
client=新客户端（）；
新建NetworkTask（）。执行（“”）；
client.addListener（新侦听器（）{
接收到公共void（连接、对象）{
if（ClientConnectedPacket的对象实例）{
ClientConnectedPacket ccp=（ClientConnectedPacket）对象；
tv.setText（ccp.userName+“现在联机。\n”）；
PublicKeyPacket pkp=新的PublicKeyPacket（）；
StringBuilder StringBuilder=新的StringBuilder（）；
追加（（RSAPublicKeyImpl）publicKey.getmodule（）.toString（））；
stringBuilder.append（“|”）；
追加（（RSAPublicKeyImpl）publicKey.getPublicExponent（）.toString（））；
字符串serPK=stringBuilder.toString（）；
pkp.publicKey=serPK；
pkp.targetUserName=targetUserName；
client.sendTCP（pkp）；
} 
}
});     
}
私有类NetworkTask扩展了AsyncTask{
@凌驾
受保护的字符串doInBackground（字符串…参数）{
试一试{
client.connect（10000，“myHostIP”，279608008）；
新线程（client.start（）；
}捕获（IOE异常）{
e、 printStackTrace（）；
System.out.println（“Baglanamadik”）；
}   
新线程（client.start（）；
返回“已连接”；
}
@凌驾
受保护的void onPostExecute（字符串结果）{
tv.setText（“我们已连接”）；
}
@凌驾
受保护的void onPreExecute（）{
client.getKryo（）.register（chatpack.class）；
client.getKryo（）.register（ClientConnectedPacket.class）；
client.getKryo（）.register（UserConnectedPacket.class）；
client.getKryo（）.register（UserDisconnectedPacket.class）；
client.getKryo（）.register（KeyPairGenerator.class）；
client.getKryo（）.register（KeyPair.class）；
client.getKryo（）.register（PublicKey.class）；
client.getKryo（）.register（PrivateKey.class）；
client.getKryo（）.register（PublicKeyPacket.class）；
//client.getKryo（）.register（sun.security.rsa.RSAPublicKeyImpl.class）；
//client.getKryo（）.register（sun.security.x509.AlgorithmId.class）；
//client.getKryo（）.register（sun.security.util.ObjectIdentifier.class）；
client.getKryo（）.register（字节[].class）；
client.getKryo（）.register（java.math.biginger.class）；
}
@凌驾
受保护的void onProgressUpdate（void…值）{}
}
@凌驾
公共void onClick（视图v）{
如果（v==发送）{
字符串temp=“”；
temp=et.getText（）.toString（）；
如果（！temp.equals（“”）{
chatpack c=新chatpack（）；
c、 userName=“user3”；
c、 targetUserName=targetUserName；
PublicKeyPacket pkp=新的PublicKeyPacket（）；
StringBuilder StringBuilder=新的StringBuilder（）；
追加（（RSAPublicKeyImpl）publicKey.getmodule（）.toString（））；
stringBuilder.append（“|”）；
追加（（RSAPublicKeyImpl）publicKey.getPublicExponent（）.toString（））；
字符串serPK=stringBuilder.toString（）；
pkp.publicKey=serPK；
pkp.userName=“user3”；
pkp.targetUserName=targetUserName；
client.sendTCP（pkp）；
/*试一试{
c、 消息=加密数据（临时）；
}捕获（IOE1异常）{
//TODO自动生成的捕捉块
e1.printStackTrace（）；
}*/
client.sendTCP（c）；
}
}
}
}

右键单击项目，选择生成路径>配置生成路径，选中库的选项。

导入sun.security.rsa.RSAPublicKeyImpl

这显然是荒谬的。Android上没有这样的类；这意味着你不能使用它。Oracle（以前的Sun）Jav中可能有这样一个类