playfair1.java

Play Fair in java encrption and decryption file

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * playfair1.java
 *
 * Created on Apr 20, 2009, 1:45:32 AM
 */

package pf;

/**
 *
 * @author mawaal
 */
public class playfair1 extends javax.swing.JFrame {
 
char key[][] = new char[5][5];
public javax.swing.JFileChooser src,des;

    public String befor="",after="";

    int srcInt,desInt;


    java.io.File srcFile,desFile;
    java.io.FileInputStream read=null;
    java.io.FileOutputStream write=null;
    /** Creates new form playfair1 */
    public playfair1() {
        initComponents();
        

           
        des=new javax.swing.JFileChooser();
        src=new javax.swing.JFileChooser();
    }
void getkey(){
        String s =txtKey.getText();
       

        for(int i = 0; i < s.length(); i++){
            char ch = s.charAt(i);
            if(ch<'a' || ch>'z' ){
               javax.swing.JOptionPane.showMessageDialog(null,"Incorrect Key");
            }
        }
        char c[] = s.toCharArray();
        char c1[] = new char[25];


        int n = 0;
        for(int i = 0; i<c.length; i++){
            boolean flag = true;
            if(c[i]=='j'){c[i]='i';}
            for(int j = 0; j < i; j++)
            {
                if( c[i] == c[j]){
                    flag = false;
                    continue;
                }
            }
            if(flag){
                c1[n] = c[i];
                n++;
            }
        }
        

        char c2[] = new char[25];
        int t=0;
        for(int m='a';m<='z';m++)
         {
            boolean flag1 = true;
            if(m =='j'){
                continue;
            }
            char r = (char)m;
            
            for(int i = 0; i < c.length; i++){
                if(c[i] == r){
                    flag1 = false;
                   
                }
            }
            if(flag1 == true){
               c1[n] = r;
               n++;
            }
        }
       
        int z =0;
        for( int i = 0; i <  5; i++){
                
            for(int j = 0; j < 5; j++){
                    key[i][j] = c1[z];
                    z++;
                }
        }
        char l[] = new char[25];
        int e = 0;
        for( int i = 0; i <  5; i++){
                for(int j = 0; j < 5; j++){
                    l[e] = key[i][j];
                    e++;
                    System.out.print(key[i][j]);

                   
                }
                System.out.println();
            }



    }


    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        txtKey = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        srcPath = new javax.swing.JTextField();
        desPath = new javax.swing.JTextField();
        srcBrowse = new javax.swing.JButton();
        desBrowse = new javax.swing.JButton();
        Encode = new javax.swing.JButton();
        Decode = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setBackground(new java.awt.Color(255, 255, 255));
        setResizable(false);

        jLabel1.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        jLabel1.setText("Key");

        txtKey.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        txtKey.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtKeyActionPerformed(evt);
            }
        });
        txtKey.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusLost(java.awt.event.FocusEvent evt) {
                txtKeyFocusLost(evt);
            }
        });

        jLabel2.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        jLabel2.setText("In put File ");

        jLabel3.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        jLabel3.setText("Destination File");

        srcPath.setFont(new java.awt.Font("Comic Sans MS", 0, 11));
        srcPath.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                srcPathActionPerformed(evt);
            }
        });

        desPath.setFont(new java.awt.Font("Comic Sans MS", 0, 11));

        srcBrowse.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        srcBrowse.setText("Browse");
        srcBrowse.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                srcBrowseActionPerformed(evt);
            }
        });

        desBrowse.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        desBrowse.setText("Browse");
        desBrowse.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                desBrowseActionPerformed(evt);
            }
        });

        Encode.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        Encode.setText("Encode");
        Encode.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                EncodeActionPerformed(evt);
            }
        });

        Decode.setFont(new java.awt.Font("Comic Sans MS", 1, 11));
        Decode.setText("Decode");
        Decode.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                DecodeActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addComponent(Encode)
                                .addGap(26, 26, 26)
                                .addComponent(Decode))
                            .addComponent(desPath, javax.swing.GroupLayout.DEFAULT_SIZE, 356, Short.MAX_VALUE)))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel2)
                            .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 53, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(32, 32, 32)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(srcPath, javax.swing.GroupLayout.DEFAULT_SIZE, 355, Short.MAX_VALUE)
                            .addComponent(txtKey, javax.swing.GroupLayout.DEFAULT_SIZE, 355, Short.MAX_VALUE))))
                .addGap(12, 12, 12)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(desBrowse, javax.swing.GroupLayout.DEFAULT_SIZE, 79, Short.MAX_VALUE)
                    .addComponent(srcBrowse, javax.swing.GroupLayout.DEFAULT_SIZE, 79, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(35, 35, 35)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(txtKey, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(srcPath, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(srcBrowse, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(desPath, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(desBrowse))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 45, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(Encode)
                    .addComponent(Decode))
                .addGap(44, 44, 44))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void txtKeyFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtKeyFocusLost


        
}//GEN-LAST:event_txtKeyFocusLost

    private void txtKeyActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_txtKeyActionPerformed
        
}//GEN-LAST:event_txtKeyActionPerformed

    private void srcPathActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_srcPathActionPerformed
  return;      // TODO add your handling code here: