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作者 推荐一中RSA加解密工具（已经测试无BUG）
caofeichao





发贴: 1
积分: 2
于 2007-06-23 14:14 user profilesend a private message to usersearch all posts byselect and copy to clipboard. ie only, sorry for netscape users:-)add this post to my favorite list
一、密钥生成器
package key;
import javax.swing.UIManager;
import javax.swing.*;
import java.awt.*;
/**
* <p>Title: </p>
* <p>Description: 运行环境: JDK 1.5 </p>
* <p>Copyright: Copyright Coffee 2007</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class creatkey {
boolean packFrame = false;

//Construct the application
public creatkey() {
Frame1 frame = new Frame1();
//Validate frames that have preset sizes
//Pack frames that have useful preferred size info, e.g. from their layout
if (packFrame) {
frame.pack();
}
else {
frame.validate();
}
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
}

//Main method
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
e.printStackTrace();
}
new creatkey();
}
}
---------
package key;
import java.io.*;
import java.security.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.io.*;
import javax.crypto.Cipher;
import java.security.*;
import java.security.spec.RSAPublicKeySpec;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.InvalidKeySpecException;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.math.BigInteger;
public class Frame1 extends JFrame {
JPanel contentPane;
JEditorPane jEditorPane1 = new JEditorPane();
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
JButton jButton3 = new JButton();
JButton jButton4 = new JButton();
TitledBorder titledBorder1;
final int KEY_SIZE=1024;
KeyPair keypair;
RSAPublicKey pubKey;
RSAPrivateKey priKey;
//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}

//Component initialization
private void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
titledBorder1 = new TitledBorder("");
jEditorPane1.setFont(new java.awt.Font("Dialog", 0, 13));
jEditorPane1.setForeground(Color.blue);
jEditorPane1.setBorder(BorderFactory.createRaisedBevelBorder());
jEditorPane1.setToolTipText("");
jEditorPane1.setEditable(false);
jEditorPane1.setText(" 系统说明 本系统用于产生RSA加/解密所需的密钥对、公钥、私钥文件，生成的以上文件位于当前" +
"目录下，名称依次为keypair.dat,publickey.dat,privatekey.dat，操作时请先生成密钥对。 " +
" 作者：曹飞超");
jEditorPane1.setBounds(new Rectangle(18, 37, 137, 229));
contentPane.setLayout(null);
this.setSize(new Dimension(303, 320));
this.setResizable(false);
this.setTitle("RSA加/解密器密钥生成器[英文版]");
jButton1.setBounds(new Rectangle(175, 38, 106, 34));
jButton1.setFont(new java.awt.Font("Dialog", 0, 13));
jButton1.setForeground(Color.black);
// jButton1.setBorder(null);
jButton1.setToolTipText("用于产生公钥、私钥的数据模型,如无此文件生成公、私钥功能不可用，请先产生密钥对");
//jButton1.setActionCommand("生成密钥对");
//jButton1.setHorizontalAlignment(SwingConstants.CENTER);
jButton1.setText("生成密钥对");
jButton1.addActionListener(new CreatFrame1_jButton1_actionAdapter(this));
jButton2.setBounds(new Rectangle(176, 103, 104, 33));
jButton2.setFont(new java.awt.Font("Dialog", 0, 13));
jButton2.setToolTipText("用于加密");
jButton2.setText("生成公钥");
jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));
jButton3.setBounds(new Rectangle(179, 170, 103, 33));
jButton3.setFont(new java.awt.Font("Dialog", 0, 13));
jButton3.setToolTipText("用于解密");
jButton3.setText("生成私钥");
jButton3.addActionListener(new Frame1_jButton3_actionAdapter(this));
jButton4.setBounds(new Rectangle(178, 232, 103, 33));
jButton4.setFont(new java.awt.Font("Dialog", 0, 13));
jButton4.setForeground(Color.red);
jButton4.setText("退 出");
jButton4.addActionListener(new CreatFrame1_jButton4_actionAdapter(this));
contentPane.add(jEditorPane1, null);
contentPane.add(jButton1, null);
contentPane.add(jButton4, null);
contentPane.add(jButton2, null);
contentPane.add(jButton3, null);
//检查密钥对是否存在，如不存在禁止生成公、私钥
checkkeypair();
}

//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEventEnvelope;
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
private void checkkeypair(){
String patht=".\\keypair"+"."+"dat";
File filecheck=new File(patht);
try{
if(filecheck.exists()){
jButton2.setEnabled(true);
jButton3.setEnabled(true);
}
else{
jButton2.setEnabled(false);
jButton3.setEnabled(false);
}
}
catch(Exception e){
e.printStackTrace();
}
}
//退出
void jButton4_actionPerformed(ActionEvent e) {
dispose();
}
//生成密钥对
void jButton1_actionPerformed(ActionEvent e) {
createkeypair();
}
private void createkeypair(){
try{
KeyPairGenerator keyPairGen=KeyPairGenerator.getInstance("RSA");
//
keyPairGen.initialize(KEY_SIZE);
//得到密钥对-*
keypair=keyPairGen.generateKeyPair();
String mishidui=".\\keypair"+"."+"dat";
File filecreat=new File(mishidui);
if(filecreat.exists()){
JOptionPane.showMessageDialog(null,"密钥对文件keypair.dat已经存在，在当前目录下，如果要生成新的密约对请先移走原keypair.dat文件再生成新文件","系统提示",JOptionPane.INFORMATION_MESSAGE);
return;
}
else{
FileOutputStream fileout = new FileOutputStream(mishidui);
ObjectOutputStream fileobject = new ObjectOutputStream(fileout);
fileobject.writeObject(keypair);
JOptionPane.showMessageDialog(null, "密钥对文件keypair.dat已经生成，在当前目录下！",
"系统提示", JOptionPane.INFORMATION_MESSAGE);
jButton2.setEnabled(true);
jButton3.setEnabled(true);
}
}
catch(Exception e){
e.printStackTrace();
}
}
//生成公钥
void jButton2_actionPerformed(ActionEvent e) {
pubKey=(RSAPublicKey)keypair.getPublic();
try{
String mishidui=".\\publickey"+"."+"dat";
File filecreat=new File(mishidui);
if(filecreat.exists()){
JOptionPane.showMessageDialog(null,"公钥文件publickey.dat已经存在，在当前目录下，如果要生成新的公钥请先移走原publickey.dat文件再生成新文件","系统提示",JOptionPane.INFORMATION_MESSAGE);
return;
}
else {
FileOutputStream fileout = new FileOutputStream(mishidui);
ObjectOutputStream fileobject = new ObjectOutputStream(fileout);
fileobject.writeObject(pubKey);
JOptionPane.showMessageDialog(null, "公钥文件publickey.dat已经生成，在当前目录下！",
"系统提示", JOptionPane.INFORMATION_MESSAGE);
}
}
catch(Exception es){
es.printStackTrace();
}
}
//生成私钥
void jButton3_actionPerformed(ActionEvent e) {
priKey=(RSAPrivateKey)keypair.getPrivate();
try{
String siyuepath=".\\privatekey"+"."+"dat";
File filecreat=new File(siyuepath);
if(filecreat.exists()){
JOptionPane.showMessageDialog(null,"私钥文件privatekey.dat已经存在，在当前目录下，如果要生成新的私钥请先移走原privatekey.dat文件再生成新文件","系统提示",JOptionPane.INFORMATION_MESSAGE);
return;
}
else {
FileOutputStream fileout = new FileOutputStream(siyuepath);
ObjectOutputStream fileobject = new ObjectOutputStream(fileout);
fileobject.writeObject(priKey);
JOptionPane.showMessageDialog(null, "私钥文件privatekey.dat已经生成，在当前目录下！",
"系统提示", JOptionPane.INFORMATION_MESSAGE);
}
}
catch(Exception ek){
ek.printStackTrace();
}

}

}
class CreatFrame1_jButton4_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

CreatFrame1_jButton4_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton4_actionPerformedEnvelope;
}
}

class CreatFrame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

CreatFrame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformedEnvelope;
}
}

class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton2_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton2_actionPerformedEnvelope;
}
}

class Frame1_jButton3_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton3_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton3_actionPerformedEnvelope;
}
}
二、RSA加密器之加密端
package rsa;
import javax.swing.UIManager;
import java.awt.*;

/**
* <p>Title: 物业收费</p>
* <p>Description: 试用</p>
* <p>Copyright: Copyright Coffee 2007</p>
* <p>Company: 西安航力科技有限责任公司</p>
* @author 曹飞超
* @version 1.0
*/

public class RSAEncty {
boolean packFrame = false;

//Construct the application
public RSAEncty() {
Frame1 frame = new Frame1();
//Validate frames that have preset sizes
//Pack frames that have useful preferred size info, e.g. from their layout
if (packFrame) {
frame.pack();
}
else {
frame.validate();
}
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
}

//Main method
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
e.printStackTrace();
}
new RSAEncty();
}
}
-------------
package rsa;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.crypto.Cipher;
import java.security.*;
import java.security.spec.RSAPublicKeySpec;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.InvalidKeySpecException;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.math.BigInteger;
/**
* <p>Title: RSA加密</p>
* <p>Description: 试用</p>
* <p>Copyright: Copyright Coffee 2007</p>
* @author 曹飞超
* @version 1.0
*/
public class Frame1 extends JFrame {
JPanel contentPane;
JFileChooser chooser=new JFileChooser();
JEditorPane jEditorPane1 = new JEditorPane();
JLabel jLabel1=new JLabel();
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
JButton jButton3 = new JButton();
File file1;
//存放明文
String pre;
byte[] pre_tmp;
byte[] data;
//存放密文
byte [] miwen;
//密钥的长度
String path=".\\publickey"+"."+"dat";
RSAPublicKey enkey;
final int KEY_SIZE=1024;
//选种的文件名称
String filename;
//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}

//Component initialization
public void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
jEditorPane1.setFont(new java.awt.Font("Dialog", 0, 16));
jEditorPane1.setBorder(BorderFactory.createRaisedBevelBorder());
jEditorPane1.setMaximumSize(new Dimension(2147483647, 2147483647));
jEditorPane1.setToolTipText("");
jEditorPane1.setCaretColor(new Color(40, 0, 0));
jEditorPane1.setEditable(false);
jEditorPane1.setSelectedTextColor(UIManager.getColor("ProgressBar.foreground"));
jEditorPane1.setSelectionStart(199);
jEditorPane1.setText(" " +
" 系统简介 RSA加密算法是专业的加密解决方案，由于非对称算法运行耗费资源，运行缓慢，本系统目前只支持对英文加解密，本系统适合小容量密级要求高的资" +
"料，加密端的密钥是公钥，解密请用RSA加密器之解密端 " +
" " +
" ---作者：曹飞超");
jEditorPane1.setContentType("text/plain");
jEditorPane1.setBounds(new Rectangle(30, 42, 213, 279));
jLabel1.setText("RSA加密是专业的加密问题解决方案，这是系统的加密端 -作者：曹飞超");
contentPane.setLayout(null);
this.setSize(new Dimension(400, 380));
this.setResizable(false);
this.setTitle("RSA加密器之加密端[英文版]");
jButton1.setBounds(new Rectangle(261, 46, 104, 37));
jButton1.setFont(new java.awt.Font("Dialog", 0, 15));
jButton1.setForeground(new Color(0, 55, 0));
jButton1.setToolTipText("选择要加密的文件");
jButton1.setText("选择文件");
jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
jButton2.setBounds(new Rectangle(264, 157, 99, 36));
jButton2.setFont(new java.awt.Font("Dialog", 0, 15));
jButton2.setForeground(Color.green);
jButton2.setToolTipText("本系统加密的公钥是publickey.dat，由工具[RSA加解密器密钥生成器]产生");
jButton2.setText("RSA加密");
jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));
jButton3.setBounds(new Rectangle(264, 284, 99, 36));
jButton3.setFont(new java.awt.Font("Dialog", 0, 15));
jButton3.setForeground(Color.red);
jButton3.setSelected(false);
jButton3.setText("关闭窗口");
jButton3.addActionListener(new Frame1_jButton3_actionAdapter(this));
contentPane.add(jEditorPane1, null);
contentPane.add(jButton1, null);
contentPane.add(jButton2, null);
contentPane.add(jButton3, null);
//判断密钥文件是否存在
jianchakey();
}

//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEventEnvelope;
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
//关闭
void jButton3_actionPerformed(ActionEvent e) {
dispose();
}
private void jianchakey(){
String patht=".\\publickey"+"."+"dat";
File filecheck=new File(patht);
try{
if(filecheck.exists()){
jButton1.setEnabled(true);
jButton2.setEnabled(true);
}
else{
JOptionPane.showMessageDialog(null,"加密用的公钥文件不存在，请用[RSA加解密器密钥生成器]生成公钥再使用！","系统提示",JOptionPane.INFORMATION_MESSAGE);
jButton1.setEnabled(false);
jButton1.setToolTipText("无公钥文件，选择功能不可用");
jButton2.setEnabled(false);
jButton2.setToolTipText("无公钥文件，加密功能不可用");
}
}
catch(Exception e){
e.printStackTrace();
}

}
//选择文件
void jButton1_actionPerformed(ActionEvent e) {
chooser.setDialogTitle("请选择要进行加密处理的文件");
chooser.setApproveButtonText("确定");
int m=chooser.showOpenDialog(this);
try{
String url=".\\publickey"+"."+"dat";
File keyfile=new File(url);
file1 = chooser.getSelectedFile();
//获取选中的文件名称
filename = file1.getAbsolutePath();
File file2 = new File(filename);
//获取选中文件长度
long chang = file2.length();
if(chang==0){
JOptionPane.showMessageDialog(null,"您没有选择任何文件，无法进行加密操作!","系统提示",JOptionPane.INFORMATION_MESSAGE);
return;
}
else{
String tmp = String.valueOf(chang);
int len = Integer.parseInt(tmp);
data = new byte[len];
FileInputStream filein = new FileInputStream(filename);
int count=filein.read(data,0,len);
}
}
catch(IOException ef){
System.out.println(ef);
}
}
//加密
void jButton2_actionPerformed(ActionEvent e) {
String pathe=".\\publickey"+"."+"dat";
try{
FileInputStream filein=new FileInputStream(pathe);
ObjectInputStream objectin=new ObjectInputStream(filein);
//读出公钥
enkey=(RSAPublicKey)objectin.readObject();
Cipher cipher=Cipher.getInstance("RSA/ECB/PKCS1Padding");
//以加密模式初始化密钥
cipher.init(Cipher.ENCRYPT_MODE,enkey);
miwen=cipher.doFinal(data);
FileOutputStream fileout=new FileOutputStream(filename);
int mj=miwen.length;
fileout.write(miwen,0,mj);
JOptionPane.showMessageDialog(null,"RSA专业加密完成,请用私钥解密！","系统提示",JOptionPane.INFORMATION_MESSAGE);

}
catch(NoSuchAlgorithmException ea){
System.out.println(ea);
}
catch(ClassNotFoundException eg){
System.out.println(eg);
}
catch(FileNotFoundException el){
System.out.println(el);
}
catch(IOException eb){
System.out.println(eb);
}
catch(Exception ed){
ed.printStackTrace();
}
}
class Frame1_jButton3_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton3_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton3_actionPerformedEnvelope;
}
}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformedEnvelope;
}
}
}

class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jButton2_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton2_actionPerformedEnvelope;
}
}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformedEnvelope;
}
}
三、RSA加密器之解密端
package decryrsa;
import javax.swing.UIManager;
import java.awt.*;

/**
* <p>Title: 物业收费</p>
* <p>Description: 试用</p>
* <p>Copyright: Copyright Coffee 2007</p>
* <p>Company: 西安航力科技有限责任公司</p>
* @author 曹飞超
* @version 1.0
*/

public class Decrykey {
boolean packFrame = false;

//Construct the application
public Decrykey() {
try{

Frame1 frame = new Frame1();
//Validate frames that have preset sizes
//Pack frames that have useful preferred size info, e.g. from their layout
if (packFrame) {
frame.pack();
}
else {
frame.validate();
}
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);

}
catch(Exception e){
e.printStackTrace();
}
}

//Main method
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception eu) {

eu.printStackTrace();
}
new Decrykey();
}
}
--------------------------------------------------
package decryrsa;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.crypto.Cipher;
import java.security.*;
import java.security.spec.RSAPublicKeySpec;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.InvalidKeySpecException;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.math.BigInteger;
public class Frame1 extends JFrame {
JPanel contentPane;
JFileChooser chooser=new JFileChooser();
JEditorPane jEditorPane1 = new JEditorPane();
JLabel jLabel1=new JLabel();
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
JButton jButton3 = new JButton();
File file1;
//存放密文
byte [] miwen;
byte[] data;
String pre;
byte[] pre_tmp;
String filename;
//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try{
jbInit1();
}
catch(Exception er){
er.printStackTrace();
}
}

//Component initialization
public void jbInit1() throws Exception {
contentPane = (JPanel) this.getContentPane();
jEditorPane1.setFont(new java.awt.Font("Dialog", 0, 16));
jEditorPane1.setBorder(BorderFactory.createRaisedBevelBorder());
jEditorPane1.setMaximumSize(new Dimension(2147483647, 2147483647));
jEditorPane1.setToolTipText("");
jEditorPane1.setCaretColor(new Color(40, 0, 0));
jEditorPane1.setEditable(false);
jEditorPane1.setSelectedTextColor(UIManager.getColor("ProgressBar.foreground"));
jEditorPane1.setSelectionStart(199);
jEditorPane1.setText(" " +
" 系统简介 RSA加密算法是专业的加密解决方案，由于非对称算法运行耗费资源，运行缓慢，本系统目前只支持对英文加解密，适合小容量密级要求高的资" +
"料，解密端的密钥是私钥，解密请用RSA加密器之解密端 " +
" " +
" ---作者：曹飞超");
jEditorPane1.setContentType("text/plain");
jEditorPane1.setBounds(new Rectangle(30, 42, 213, 279));
jLabel1.setText("RSA加密是专业的加密问题解决方案，这是系统的解密端 -作者：曹飞超");
contentPane.setLayout(null);
this.setSize(new Dimension(400, 380));
this.setResizable(false);
this.setTitle("RSA加密器之解密端[英文版]");
jButton1.setBounds(new Rectangle(261, 46, 104, 37));
jButton1.setFont(new java.awt.Font("Dialog", 0, 15));
jButton1.setForeground(new Color(0, 55, 0));
jButton1.setToolTipText("选择要解密的文件");
jButton1.setText("选择文件");
jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
jButton2.setBounds(new Rectangle(264, 157, 99, 36));
jButton2.setFont(new java.awt.Font("Dialog", 0, 15));
jButton2.setForeground(Color.green);
jButton2.setToolTipText("本系统解密的私钥是privatekey.dat，由工具[RSA加解密器密钥生成器]产生");
jButton2.setText("RSA解密");
jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));
jButton3.setBounds(new Rectangle(264, 284, 99, 36));
jButton3.setFont(new java.awt.Font("Dialog", 0, 15));
jButton3.setForeground(Color.red);
jButton3.setSelected(false);
jButton3.setText("关闭窗口");
jButton3.addActionListener(new Frame1_jButton3_actionAdapter(this));
contentPane.add(jEditorPane1, null);
contentPane.add(jButton1, null);
contentPane.add(jButton2, null);
contentPane.add(jButton3, null);
//判断密钥文件是否存在
jianchakey();
}

//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEventEnvelope;
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
//关闭
void jButton3_actionPerformed(ActionEvent e) {
dispose();
}
private void jianchakey(){
String patht=".\\privatekey"+"."+"dat";
File filecheck=new File(patht);
try{
if(filecheck.exists()){
jButton1.setEnabled(true);
jButton2.setEnabled(true);
}
else{
JOptionPane.showMessageDialog(null,"解密用的私钥文件不存在，请用[RSA加解密器密钥生成器]生成私钥再使用！","系统提示",JOptionPane.INFORMATION_MESSAGE);
jButton1.setEnabled(false);
jButton1.setToolTipText("无私钥文件，选择功能不可用");
jButton2.setEnabled(false);
jButton2.setToolTipText("无私钥文件，解密功能不可用");
}
}
catch(Exception e){
e.printStackTrace();
}

}
//选择文件
void jButton1_actionPerformed(ActionEvent e) {
chooser.setDialogTitle("请选择要进行解密处理的文件");
chooser.setApproveButtonText("确定");
int m=chooser.showOpenDialog(this);
try{

file1 = chooser.getSelectedFile();
//获取选中的文件名称
filename = file1.getAbsolutePath();
File file2 = new File(filename);
//获取选中文件长度
long chang = file2.length();
if(chang==0){
JOptionPane.showMessageDialog(null,"您没有选择任何文件，无法进行解密操作!","系统提示",JOptionPane.INFORMATION_MESSAGE);
return;
}
else{
String tmp = String.valueOf(chang);
int len = Integer.parseInt(tmp);
data = new byte[len];
FileInputStream filein = new FileInputStream(filename);
int count=filein.read(data,0,len);
}
}
catch(IOException ef){
System.out.println(ef);
}
}
//解密
void jButton2_actionPerformed(ActionEvent e1) {
String pathe=".\\privatekey"+"."+"dat";
try{
FileInputStream filein=new FileInputStream(pathe);
ObjectInputStream objectin=new ObjectInputStream(filein);
//读出公钥
RSAPrivateKey enkey=(RSAPrivateKey)objectin.readObject();
Cipher cipher=Cipher.getInstance("RSA/ECB/PKCS1Padding");
//以解密模式初始化密钥
cipher.init(Cipher.DECRYPT_MODE,enkey);
miwen=cipher.doFinal(data);
FileOutputStream fileout=new FileOutputStream(filename);
int mj=miwen.length;
fileout.write(miwen,0,mj);
JOptionPane.showMessageDialog(null,"RSA专业解密完成,请用公钥加密！","系统提示",JOptionPane.INFORMATION_MESSAGE);

}
catch(NoSuchAlgorithmException ea){
System.out.println(ea);
}
catch(ClassNotFoundException eg){
System.out.println(eg);
}
catch(FileNotFoundException el){
System.out.println(el);
}
catch(IOException eb){
System.out.println(eb);
}
catch(Exception ed){
ed.printStackTrace();
}
}

class Frame1_jButton3_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton3_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton3_actionPerformedEnvelope;
}
}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformedEnvelope;
}
}
}

class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jButton2_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e1) {
adaptee.jButton2_actionPerformed(e1);
}
}

以上三个工具在key, rsa ,decryrsa包中
代码为本人原创，可供各位借鉴。
联系方式E-mail:caofeichao@mail.china.com

menzy edited on 2007-06-27 11:19


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