import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.math.*;
import javax.imageio.ImageIO;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.event.*;
import javax.swing.filechooser.*;
import java.beans.*;
import java.awt.event.ActionListener;
import java.sql.*;
import java.lang.*;
import java.awt.event.ActionEvent;
import java.awt.font.*;
import java.lang.String;
import java.awt.Component;
import java.awt.geom.*;
import javax.swing.text.EditorKit;
import javax.swing.event.MouseInputAdapter;
import java.awt.image.BufferedImage;
import javax.swing.text.*;
import javax.crypto.Cipher;
import java.security.*;
import java.lang.Exception;
import java.io.DataOutputStream;
import java.io.DataInputStream;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Random;
//import javax.crypto.BadPaddingException;
//import javax.crypto.IllegalBlockSizeException;
//import javax.crypto.NoSuchPaddingException;
import java.io.FilterInputStream;
import javax.crypto.*;
//import java.security.AlgorithmParameters;
import java.math.BigInteger;
//import java.security.interfaces.*;
//import java.security.KeyException;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.OutputStream;
import javax.crypto.spec.*;
import java.security.spec.*;
import java.applet.*;
import java.net.*;
import java.net.SocketException;
import java.net.BindException;
import java.net.URL;
import javax.swing.Timer;
import javax.swing.TransferHandler;
public class Encryption extends JFrame implements ActionListener,Serializable{
JLabel label1;
JLabel label2;
JLabel label3;
JButton button1;
JButton button2;
JTextField textfield1;
JTextArea textarea2;
JScrollPane sp_textarea2;
JPasswordField passwordfield3;
JButton button3;
JButton button4;
JButton button5;
JButton button6;
JFileChooser filechooser;
File f,tempfilename,Ofilename,Sfilename;
int Copened,Cencrypt,Csave;
InetAddress ipaddress;
String name,Ekey,address;
String chosenFile;
InputStream ins;
OutputStream outs;
Thread t;
public Encryption()
{
EncryptionLayout customLayout = new EncryptionLayout();
getContentPane().setFont(new Font("Helvetica", Font.PLAIN, 12));
getContentPane().setLayout(customLayout);
//getContentPane().setBackground(Color.LIGHT_GRAY);
label1 = new JLabel("SOURCE");
getContentPane().add(label1);
label1.setFont(new Font("Garamond", Font.BOLD, 16));
label2 = new JLabel("MESSAGE");
getContentPane().add(label2);
label2.setFont(new Font("Garamond", Font.BOLD, 16));
label3 = new JLabel("KEY");
label3.setVisible(false);
getContentPane().add(label3);
label3.setFont(new Font("Garamond", Font.BOLD, 16));
button1 = new JButton("BACK");
getContentPane().add(button1);
button1.addActionListener(this);
button1.setFocusable(true);
button1.setRolloverEnabled(true);
button1.setContentAreaFilled(true);
button1.setBorderPainted(true);
button1.setVerifyInputWhenFocusTarget(true);
button1.setFont(new Font("Garamond", Font.BOLD, 16));
button2 = new JButton("NEXT");
getContentPane().add(button2);
button2.setFocusable(true);
button2.setContentAreaFilled(true);
button2.setBorderPainted(true);
button2.setRolloverEnabled(true);
button2.setVerifyInputWhenFocusTarget(true);
button2.addActionListener(this);
button2.setFont(new Font("Garamond", Font.BOLD, 16));
textfield1 = new JTextField("");
getContentPane().add(textfield1);
textfield1.setEditable(false);
textfield1.setBackground(Color.LIGHT_GRAY);
textfield1.setToolTipText("Choose the image file to be encrypted");
textarea2 = new JTextArea("");
getContentPane().add(textarea2);
textarea2.setFocusable(true);
GraphicsEnvironment.getLocalGraphicsEnvironment();
textarea2.setAutoscrolls(true);
textarea2.setWrapStyleWord(true);
textarea2.setBackground(Color.LIGHT_GRAY);
textarea2.setToolTipText("Enter the message to be embedded with image");
sp_textarea2 = new JScrollPane(textarea2);
getContentPane().add(sp_textarea2);
passwordfield3 = new JPasswordField("");
getContentPane().add(passwordfield3);
passwordfield3.setVisible(false);
passwordfield3.setToolTipText("Enter a 6 digit KEY");
button3 = new JButton("BROWSE");
getContentPane().add(button3);
button3.addActionListener(this);
button3.setFocusable(true);
button3.setContentAreaFilled(true);
button3.setBorderPainted(true);
button3.setRolloverEnabled(true);
button3.setVerifyInputWhenFocusTarget(true);
button3.setFont(new Font("Garamond", Font.BOLD, 16));
button4 = new JButton("CLEAR");
getContentPane().add(button4);
button4.setFocusable(true);
button4.setContentAreaFilled(true);
button4.setBorderPainted(true);
button4.setToolTipText("Clears the Textarea");
button4.setRolloverEnabled(true);
button4.setVerifyInputWhenFocusTarget(true);
button4.addActionListener(this);
button4.setFont(new Font("Garamond", Font.BOLD, 16));
button5 = new JButton("SAVE");
getContentPane().add(button5);
button5.setFocusable(true);
button5.setContentAreaFilled(true);
button5.setBorderPainted(true);
button5.setToolTipText("Saves the Encrypted image file");
button5.setRolloverEnabled(true);
button5.setVerifyInputWhenFocusTarget(true);
button5.addActionListener(this);
button5.setFont(new Font("Garamond", Font.BOLD, 16));
button6 = new JButton("SEND");
getContentPane().add(button6);
button6.setFocusable(true);
button6.setContentAreaFilled(true);
button6.setBorderPainted(true);
button6.setToolTipText("Sends the Encrypted image file to the remote machine");
button6.setRolloverEnabled(true);
button6.setVerifyInputWhenFocusTarget(true);
button6.addActionListener(this);
button6.setFont(new Font("Garamond", Font.BOLD, 16));
button6.setVisible(false);
Copened=0;
Cencrypt=0;
Csave=0;
filechooser=new JFileChooser();
filechooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
setSize(getPreferredSize());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
public static void main(String args[]) {
Encryption en = new Encryption();
en.setTitle("Encryption");
en.show();
en.pack();
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
try
{
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
//javax.swing.UIManager.setLookAndFeel("com.birosoft.liquid.LiquidLookAndFeel");
}
catch (Exception ex)
{
System.out.println("Failed loading L&F: ");
System.out.println(ex);
}
}
public void Imageencrypt(String message,File file,int key) throws java.io.IOException
{
byte b[]=new byte[2];
BigInteger Abi,Mbi;
int k,k1;
DataInputStream ins=new DataInputStream(new FileInputStream(file));
DataOutputStream outs=new DataOutputStream(new FileOutputStream(new File("1.jpg")));
for(int c=0;c<key;c++)
{
int ch=ins.read();
outs.write(ch);
}
int len=message.length();
byte mess[]=new byte[2];
char chmess[]=new char[len+1];
k=k1=0;
for(int i=0;i<=len;i++)
{
message.getChars(0,len,chmess,0);
if(i==0)
{
BigDecimal bd=new BigDecimal(len);
BigInteger Blen=bd.toBigInteger();
String Slen=Blen.toString(2);
char Clen[]=new char[Blen.bitLength()];
Slen.getChars(0,Blen.bitLength(),Clen,0);
for(int j=0;j<=7;j++)
{
if(j==0)
{
for(k=0;k<8-Blen.bitLength();k++)
{
int n=ins.read(B)/>;
Abi=new BigInteger(B)/>;
String Aby=Abi.toString(2);
int Alen=Abi.bitLength();
if(b[0]<0)
Alen++;
char Ach[]=new char[Alen+1];
Aby.getChars(0,Alen,Ach,0);
if(b[0]==0)
{
}
else
{
if(Ach[Alen-1]=='1')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1111111111111110",2);
BigInteger big=Abi.and(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.subtract(bi);
b=big.toByteArray();
}
}
outs.write(B)/>;
}
} //for loop k
j=j+k-1;
} // if of j
else
{
int n=ins.read(B)/>;
Abi=new BigInteger(B)/>;
String Aby=Abi.toString(2);
int Alen=Abi.bitLength();
if(b[0]<0)
Alen++;
char Ach[]=new char[Alen+1];
Aby.getChars(0,Alen,Ach,0);
if(b[0]==0)
{
Alen=1;
}
if(Clen[j-k]=='0' && Ach[Alen-1]=='1')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1111111111111110",2);
BigInteger big=Abi.and(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.subtract(bi);
b=big.toByteArray();
}
}
else if(Clen[j-k]=='1' && Ach[Alen-1]=='0')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1",2);
BigInteger big=Abi.add(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.add(bi);
b=big.toByteArray();
}
}
outs.write(B)/>;
} // end else
} // for loop j
} // end of if
else
{
String slen=String.valueOf(chmess[i-1]);
byte blen[]=slen.getBytes();
BigInteger Blen=new BigInteger(blen);
String Slen=Blen.toString(2);
char Clen[]=new char[Blen.bitLength()];
Slen.getChars(0,Blen.bitLength(),Clen,0);
for(int j=0;j<=7;j++)
{
if(j==0)
{
for(k1=0;k1<8-Blen.bitLength();k1++)
{
int n=ins.read(B)/>;
Abi=new BigInteger(B)/>;
String Aby=Abi.toString(2);
int Alen=Abi.bitLength();
if(b[0]<0)
Alen++;
char Ach[]=new char[Alen+1];
Aby.getChars(0,Alen,Ach,0);
if(b[0]==0)
{
}
else
{
if(Ach[Alen-1]=='1')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1111111111111110",2);
BigInteger big=Abi.and(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.subtract(bi);
b=big.toByteArray();
}
}
}
outs.write(B)/>;
} //for loop k
j=j+k1-1;
} // if of j
else
{
int n=ins.read(B)/>;
Abi=new BigInteger(B)/>;
String Aby=Abi.toString(2);
int Alen=Abi.bitLength();
if(b[0]<0)
Alen++;
char Ach[]=new char[Alen+1];
Aby.getChars(0,Alen,Ach,0);
if(b[0]==0)
{
Alen=1;
}
if(Clen[j-k1]=='0' && Ach[Alen-1]=='1')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1111111111111110",2);
BigInteger big=Abi.and(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.subtract(bi);
b=big.toByteArray();
}
}
else if(Clen[j-k1]=='1' && Ach[Alen-1]=='0')
{
if(Alen==Abi.bitLength())
{
BigInteger bi=new BigInteger("1",2);
BigInteger big=Abi.add(bi);
b=big.toByteArray();
}
else
{
BigInteger bi=new BigInteger("-1",2);
BigInteger big=Abi.add(bi);
b=big.toByteArray();
}
}
outs.write(B)/>;
} // end else
} // for loop j
} // end of else
} // for loop i
while(true)
{
int i=ins.read();
if(i==-1) break;
outs.write(i);
}
ins.close();
outs.close();
}
public void actionPerformed(ActionEvent e)
{
try
{
String cmd;
cmd=e.getActionCommand();
if(cmd.equals("BACK"))
{
dispose();
Stegno s = new Stegno();
s.show();
s.pack();
s.setTitle("Main Menu - Implementation of Steganography");
}
if(cmd.equals("CLEAR"))
{
textarea2.setText("");
}
if(cmd.equals("SAVE"))
{
if(Copened==1 && Cencrypt==1)
{
int r=filechooser.showSaveDialog(this);
Sfilename=filechooser.getSelectedFile();
FileInputStream in=new FileInputStream("1.jpg");
FileOutputStream out=new FileOutputStream(Sfilename);
Ofilename=Sfilename;
textfield1.setEditable(true);
textfield1.setText(Sfilename.getPath());
textfield1.setEditable(false);
while(true)
{
int i=in.read();
if(i==-1) break;
out.write(i);
}
in.close();
out.close();
JOptionPane.showMessageDialog(null,"\nYour image file has been encrypted and saved successfully\n","message",JOptionPane.INFORMATION_MESSAGE);
}
else
{
String m;
if(Copened==0)
m="File not Opened";
else if(Cencrypt==0)
m="Not Encrypted";
else
m="Not Decrypted";
JOptionPane.showMessageDialog(this,m,"Error",JOptionPane.ERROR_MESSAGE);
}
}
if(cmd.equals("NEXT"))
{
if(Copened==1)
{
Ekey=JOptionPane.showInputDialog("Enter 4 digit Key For Encryption");
//String type
if(Ekey==null)
{
JOptionPane.showMessageDialog(this,"Enter only 4 Digit key","Error",JOptionPane.ERROR_MESSAGE);
}
if(Ekey.trim().length()<4)
{
JOptionPane.showMessageDialog(this,"Enter only 4 Digit key","Error",JOptionPane.ERROR_MESSAGE);
}
if(Ekey.trim().length()>4)
JOptionPane.showMessageDialog(this,"Enter only 4 Digit key","Error",JOptionPane.ERROR_MESSAGE);
else
{
// encrypt the message
int key=Integer.parseInt(Ekey);
Imageencrypt(textarea2.getText(),Ofilename,key);
Cencrypt=1;
}
}
else
{
JOptionPane.showMessageDialog(this,"File NotOpened","Error",JOptionPane.ERROR_MESSAGE);
}
}
if(cmd.equals("BROWSE"))
{
int r=filechooser.showOpenDialog(this);
tempfilename=filechooser.getSelectedFile(); //File type
if(r==JFileChooser.CANCEL_OPTION)
JOptionPane.showMessageDialog(this,"FileNotSelected","Error",JOptionPane.ERROR_MESSAGE);
else
{
String name=tempfilename.getName();
if((!name.endsWith(".jpg")) && !name.endsWith(".gif") && !name.endsWith(".bmp")&& !name.endsWith(".jpeg"))
JOptionPane.showMessageDialog(this,"Select Only Image file","Error",JOptionPane.ERROR_MESSAGE);
else
{
Copened=1;
Ofilename=tempfilename;
textfield1.setText(name);
textfield1.setText(tempfilename.getPath());
textfield1.setFont(new Font("Century",Font.PLAIN,15));
textfield1.setBackground(Color.LIGHT_GRAY);
textfield1.setEditable(false);
}
}
}
} // end try
catch(Exception xe)
{
//xe.printStackTrace();
JOptionPane.showMessageDialog(this,xe,"Error",JOptionPane.ERROR_MESSAGE);
}
} // end of actionperformed
} // End of class
class EncryptionLayout implements LayoutManager {
public EncryptionLayout() {
}
public void addLayoutComponent(String name, Component comp) {
}
public void removeLayoutComponent(Component comp) {
}
public Dimension preferredLayoutSize(Container parent) {
Dimension dim = new Dimension(0, 0);
Insets insets = parent.getInsets();
dim.width = 700 + insets.left + insets.right;
dim.height = 400 + insets.top + insets.bottom;
return dim;
}
public Dimension minimumLayoutSize(Container parent) {
Dimension dim = new Dimension(0, 0);
return dim;
}
public void layoutContainer(Container parent) {
Insets insets = parent.getInsets();
Component c;
c = parent.getComponent(0);
if (c.isVisible()) {c.setBounds(insets.left+75,insets.top+74,112,32);}
c = parent.getComponent(1);
if (c.isVisible()) {c.setBounds(insets.left+75,insets.top+170,112,32);}
c = parent.getComponent(2);
if (c.isVisible()) {c.setBounds(insets.left+88,insets.top+160,112,32);}
c = parent.getComponent(3);
if (c.isVisible()) {c.setBounds(insets.left+145,insets.top+294,124,38);}
c = parent.getComponent(4);
if (c.isVisible()) {c.setBounds(insets.left+300,insets.top+294,124,38);}
c = parent.getComponent(5);
if (c.isVisible()) {c.setBounds(insets.left+158,insets.top+74,390,32);}
c = parent.getComponent(6);
if (c.isVisible()) {c.setBounds(insets.left+158,insets.top+120,390,150);}
c = parent.getComponent(7);
if (c.isVisible()) {c.setBounds(insets.left+200,insets.top+160,284,52);}
c = parent.getComponent(8);
if (c.isVisible()) {c.setBounds(insets.left+558,insets.top+74,114,35);}
c = parent.getComponent(9);
if (c.isVisible()) {c.setBounds(insets.left+558,insets.top+173,114,35);}
c = parent.getComponent(10);
if (c.isVisible()) {c.setBounds(insets.left+450,insets.top+294,124,38);}
c = parent.getComponent(11);
if (c.isVisible()) {c.setBounds(insets.left+559,insets.top+204,114,35);}
}
}
what algorithm used for encryption of steganography in this project
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1 Replies - 113 Views - Last Post: 27 October 2011 - 06:32 AM
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#1
reshmen
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what algorithm used for encryption of steganography in this project
Posted 27 October 2011 - 06:25 AM
hello there.....can you please let me know what encryption method used to encrypt message in this steganography source code....thanks
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MultiQuoteReplies To: what algorithm used for encryption of steganography in this project
#2
macosxnerd101
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Re: what algorithm used for encryption of steganography in this project
Posted 27 October 2011 - 06:32 AM
If you wrote the code, you should be able to tell us.
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