hldecrsaface.java

RSA加长分段解密算法

        jMenuItem4.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_F, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem4.setText("\u8bfb\u53d6\u5bc6\u6587");
        jMenuItem4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem4ActionPerformed(evt);
            }
        });

        jMenu2.add(jMenuItem4);

        jMenuBar1.add(jMenu2);

        jMenu5.setText("\u89e3\u5bc6(D)");
        jMenu5.setMnemonic(KeyEvent.VK_D);
        jMenuItem5.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_D, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem5.setText("\u89e3\u5bc6\u5bc6\u6587");
        jMenuItem5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem5ActionPerformed(evt);
            }
        });

        jMenu5.add(jMenuItem5);

        jMenuItem8.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.ALT_MASK));
        jMenuItem8.setText("\u505c\u6b62\u89e3\u5bc6");
        jMenuItem8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem8ActionPerformed(evt);
            }
        });

        jMenu5.add(jMenuItem8);

        jMenuBar1.add(jMenu5);

        jMenu4.setText("\u98ce\u683c(L)");
        jMenu4.setMnemonic(KeyEvent.VK_L);
        jRadioButtonMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_J, java.awt.event.InputEvent.CTRL_MASK));
        buttonGroup1.add(jRadioButtonMenuItem1);
        jRadioButtonMenuItem1.setSelected(true);
        jRadioButtonMenuItem1.setText("Java");
        jRadioButtonMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButtonMenuItem1ActionPerformed(evt);
            }
        });

        jMenu4.add(jRadioButtonMenuItem1);

        jRadioButtonMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_W, java.awt.event.InputEvent.CTRL_MASK));
        buttonGroup1.add(jRadioButtonMenuItem2);
        jRadioButtonMenuItem2.setText("Windows");
        jRadioButtonMenuItem2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButtonMenuItem2ActionPerformed(evt);
            }
        });

        jMenu4.add(jRadioButtonMenuItem2);

        jMenuBar1.add(jMenu4);

        jMenu3.setText("\u5e2e\u52a9(H)");
        jMenu3.setMnemonic(KeyEvent.VK_H);
        jMenuItem6.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem6.setText("\u5173\u4e8e");
        jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem6ActionPerformed(evt);
            }
        });

        jMenu3.add(jMenuItem6);

        jMenuBar1.add(jMenu3);

        setJMenuBar(jMenuBar1);

        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-666)/2, (screenSize.height-563)/2, 666, 563);
    }//GEN-END:initComponents
    
    private void jMenuItem8ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem8ActionPerformed
        stop=true;//停止加密
        jMenuItem8.setEnabled(false);
    }//GEN-LAST:event_jMenuItem8ActionPerformed
    
    private void jMenuItem7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem7ActionPerformed
        ConnectInfo transfer = new ConnectInfo(1024);
        if (dialog == null)
            dialog = new DataDialog(this,lookJava);
        if (dialog.showDialog(transfer,lookJava)) {
            this.keyLength=transfer.keyLength;
            validate();
        }
        if(dialog.getyes()){
            try{//产生密钥
                HL_RSA_Skey Skey=new HL_RSA_Skey(this.keyLength);
                JOptionPane.showMessageDialog(HLDecRSAFace.this,
                        "恭喜，已成功产生密钥!",
                        "恭喜！",
                        JOptionPane.INFORMATION_MESSAGE);
            } catch(Exception e){}
        } else;
    }//GEN-LAST:event_jMenuItem7ActionPerformed
    
    private void jRadioButtonMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButtonMenuItem2ActionPerformed
        try{
            UIManager.setLookAndFeel(str1);
            SwingUtilities.updateComponentTreeUI(this);
        } catch(Exception e ){}
        lookJava=false;
    }//GEN-LAST:event_jRadioButtonMenuItem2ActionPerformed
    
    private void jRadioButtonMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButtonMenuItem1ActionPerformed
        try{
            UIManager.setLookAndFeel(str2);
            SwingUtilities.updateComponentTreeUI(this);
        } catch(Exception e ){}
        lookJava=true;
    }//GEN-LAST:event_jRadioButtonMenuItem1ActionPerformed
    
    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
        
        examineEncFile exEnFile=new examineEncFile();
        exEnFile.start();//调用输出密文线程
    }//GEN-LAST:event_jButton4ActionPerformed
    /*private int getProgresserPos(){
        return progresserPos;
    }*/
    
    private void jMenuItem6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem6ActionPerformed
        JOptionPane.showMessageDialog(HLDecRSAFace.this,"     HL-RAS解密软件\n版本 1.0  (运行环境：JDK1.5以上的版本)\n\n" +
                "开发成员：何泽荣、林喜鹏\n热诚欢迎您能对此软件提出宝贵意见!!!\n华南农业大学02级计算机1班\n(Email:[e-mail])",
                "关于",JOptionPane.INFORMATION_MESSAGE,new ImageIcon(""));
    }//GEN-LAST:event_jMenuItem6ActionPerformed
    
    private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed
        System.exit(0);//this.EXIT_ON_CLOSE;
    }//GEN-LAST:event_jMenuItem2ActionPerformed
    
    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed
        save();// 保存明文
    }//GEN-LAST:event_jMenuItem1ActionPerformed
    
    private void jMenuItem5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem5ActionPerformed
        if(readKey==true){//如果已产生密钥，则读取明文并加密
            jTextArea3.setText("");
            decThread decTh=new decThread();
            decTh.start();//调用解密线程
            jButton3.setText("停止解密");
        } else{ JOptionPane.showMessageDialog(HLDecRSAFace.this,
                "你还没有读取私钥，请先读取私钥！",
                "Error",
                JOptionPane.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_jMenuItem5ActionPerformed
    
    private void jMenuItem4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem4ActionPerformed
        jTextArea2.setText("");
        try{
            srcFileLoader();//打开密文文件
        } catch(Exception e){}
        if(readEncFile==true){
            readEncFile(); // 读取密文：
        }
        readEncFile=false;
    }//GEN-LAST:event_jMenuItem4ActionPerformed
    
    private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem3ActionPerformed
        try{
            srcFileLoader();//打开密钥文件
        } catch(Exception e){}
        if(readEncFile==true){
            readDecKey();// 读取解密密钥：
        }
        readEncFile=false;
    }//GEN-LAST:event_jMenuItem3ActionPerformed
    
    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        if(jButton3.getText()=="解密密文"){
            if(readKey==true){//如果已产生密钥，则读取明文并加密
                jMenuItem8.setEnabled(true);
                jTextArea3.setText("");
                decThread decTh=new decThread();
                decTh.start();//调用解密线程*/
                jButton3.setText("停止解密");
            } else{ JOptionPane.showMessageDialog(HLDecRSAFace.this,
                    "你还没有读取私钥，请先读取私钥！",
                    "Error",
                    JOptionPane.ERROR_MESSAGE);
            }
        } else {
            stop=true;
            jMenuItem8.setEnabled(false);
        }
        
        
    }//GEN-LAST:event_jButton3ActionPerformed
    
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        jTextArea2.setText("");
        try{
            srcFileLoader();//打开密文文件
        } catch(Exception e){}
        if(readEncFile==true){
            readEncFile(); // 读取密文：
        }
        readEncFile=false;
    }//GEN-LAST:event_jButton2ActionPerformed
    
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        try{
            srcFileLoader();//打开密钥文件
        } catch(Exception e){}
        if(readEncFile==true){
            readDecKey();// 读取解密密钥：
        }
        readEncFile=false;
    }//GEN-LAST:event_jButton1ActionPerformed
    private void readEncFile(){//读取密文方法
        try{
            if(staticRSA_Dec.ReadEncRsa(this.rsaKeyAndEncFilePath)==false){//没有可用的密文
                JOptionPane.showMessageDialog(HLDecRSAFace.this,
                        "目前还没有可用的密文！",
                        "Error",
                        JOptionPane.ERROR_MESSAGE);
            } else{//提示读取密文完毕
                JOptionPane.showMessageDialog(HLDecRSAFace.this,
                        "恭喜，已成功读取密文!",
                        "恭喜，已成功读取密文!",
                        JOptionPane.INFORMATION_MESSAGE);
                readEnc=true;
            }
        } catch(Exception e){}
    }
    private void readDecKey(){//读取密钥方法
        try{
            if(staticRSA_Dec.ReadRsaKey(this.rsaKeyAndEncFilePath)==false){//没有可用的密钥
                JOptionPane.showMessageDialog(HLDecRSAFace.this,
                        "目前还没有可用的解密密钥，请先产生密钥！",
                        "Error",
                        JOptionPane.ERROR_MESSAGE);
            } else{//输出解密密钥
                jTextArea1.setText(staticRSA_Dec.dprk.toString());
                readKey=true;
            }
        } catch(Exception e){ }
    }
    private void setProgressBar(){//出来进度条方法
        float pos=(float)progresserPos/progresserLength*100;
        jLabel1.setText("已解密："+(String.valueOf((int)pos))+" %");
        progresser.setValue(progresserPos);
    }
    private void decFile(){//解密方法
        try{
            float jprogressBarPos=0;
            staticRSA_Dec.clearDecText();//清空上回解密后的明文
            if(readEnc==true){//已经读取密文
                try{int preSegmentStartPos=0;//前一SegmentStartPos
                    progresserPos=0;                    
                    progresserLength=staticRSA_Dec.getEncText().getBytes("UTF-8").length; 
                    progresser.setMaximum(progresserLength);
                    while(staticRSA_Dec.nextSectEncText()&&stop==false){