Advanced Encryption Standard (AES)
Wed Mar 19, 2008 12:29 am
* Project Name:
Advanced Encryption Standard
* Programmer: msi_333
* Type: Encryption Algorithms
* Technology: Java
* IDE: NetBeans
* Description: This is a netBeans AES (Cipher and Decipher) project.It include GUI with Text Area for the Key and Orginal Text and Text Area for the Steps
AddRoundKey Package :
java code
java code
Bitsgetter Package :
java code
java code
Hexdecimal_converter package :
java code
java code
Package Mixcolumns :
java code
java code
Package Shiftrow:
java code
java code
package ase:
java code
java code
java code
Package ase.SBox :
java code
java code
substitution package
java code
* Programmer: msi_333
* Type: Encryption Algorithms
* Technology: Java
* IDE: NetBeans
* Description: This is a netBeans AES (Cipher and Decipher) project.It include GUI with Text Area for the Key and Orginal Text and Text Area for the Steps
- Structure
- AES.gif (8.27 KiB) Viewed 20186 times
AddRoundKey Package :
- Code:
AddRoundKey.java
java code
package AddRoundKey;
import Bitsgetter.bytegetter;
public class AddRoundKey {
/** Creates a new instance of AddRoundKey */
public AddRoundKey() {
}
public String[][] AddRoundKey(String[][] state,String[][] key) {
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
state[i][j]=byteget.xor2hex(state[i][j],key[i][j]);
return state;
}
private bytegetter byteget=new bytegetter((byte)27);
}
- Code:
KeyExpansion.java
java code
package AddRoundKey;
import Bitsgetter.bytegetter;
import ase.AES;
import ase.SBox.SBox;
import ase.arrayprinter;
public class KeyExpansion {
/** Creates a new instance of KeyExpansion */
public KeyExpansion() {
}
public void keyExpansion(String[][] mykey){
words[0]=new String[4];
words[1]=new String[4];
words[2]=new String[4];
words[3]=new String[4];
words[0]=mykey[0];
words[1]=mykey[1];
words[2]=mykey[2];
words[3]=mykey[3];
for(int i=4;i<44;i++) {
temp=words[i-1];
System.out.println(temp[0]);
if(i%4==0){
temp= RCxor((SubWord(Rotword(temp))),i/4);
}
words[i]=xor2words(words[i-4],temp);
}
arrayprinter.printarray(words,"key Expantion");
}
public String[] Rotword(String[] word) {
String[] afterRot=new String[4];
for(int i=0;i<3;i++)
afterRot[i]=word[i+1];
afterRot[3]= word[0];
return afterRot;
}
public String[] xor2words(String[] word1,String[] word2) {
newWord=new String[4];
for(int i=0;i<4;i++) {
newWord[i]= byteget.xor2hex( word1[i],word2[i] );
}
return newWord;
}
public String[] SubWord(String[] word) {
String [] aftersub=new String[4];
for(int i=0;i<4;i++) {
aftersub[i]=sbox.getSbox(word[i]);
}
return aftersub;
}
public String[] RCxor(String[] word,int i) {
RCword[0]=RCtable[i-1];
String[] w= xor2words(RCword,word);
return w;
}
public String getKey(){
return k;
}
public String[][] getkeyToRound() {
String[][] roundkey=new String[4][4];
for(int i=0;i<4;i++)
for(int j=0;j<4;j++) {
roundkey[j][i]=words[i+((AES.ROUND-1)*4)][j];
}
return roundkey;
}
public String[][] getWords() {
return words;
}
private SBox sbox=new SBox();
private bytegetter byteget=new bytegetter((byte)27);
String [] temp=new String[4];
String [] RCtable=new String[] {"01","02","04","08","10","20","40","80","1B","36"};
String [] RCword=new String[] {"00","00","00","00",};
String [] word1=new String[4];
String [] word2=new String[4];
String [] word3=new String[4];
String [] word4=new String[4];
String [][] words=new String[44][4];
String [] newWord=new String[4];
String k;
}
Bitsgetter Package :
- Code:
bitsgetter.java
java code
package Bitsgetter;
public class bitsgetter {
/** Creates a new instance of bitsgetter */
public bitsgetter() {
}
public byte[] getBinaryBits(int ch) {
byte[] bin=new byte[8];
int tag=1;
for(int i=0;i<8;i++) {
bin[7-i]=(byte)((ch&((tag<<i)))>>i);
}
return bin;
}
public byte[] getBinaryBitsHex(int ch) {
if(ch>=48&ch<=57)
ch-=48;
else ch-=55;
byte[] bin=new byte[8];
int tag=1;
for(int i=0;i<8;i++) {
bin[i]=(byte)((ch&((tag<<i)))>>i);
}
return bin;
}
}
- Code:
bytegetter.java
java code
package Bitsgetter;
import Hexdecimal_converter.decimalhex;
public class bytegetter {
/** Creates a new instance of bytegetter */
public bytegetter(byte newcon) {
constant=newcon;
}
public byte Xorbytegetter(String cell,String cell2) {
elements=new byte[4];
elements[0]=(byte)0;
elements[1]=(byte)0;
elements[2]=(byte)0;
elements[3]=(byte)0;
left=bitsgetter.getBinaryBitsHex(cell.charAt(0));
right=bitsgetter.getBinaryBitsHex(cell.charAt(1));
byte cellbyte=(byte)(left[3]*128+left[2]*64+left[1]*32+left[0]*16+right[3]*8+right[2]*4+right[1]*2+right[0]*1);
left2=bitsgetter.getBinaryBitsHex((cell2.charAt(0)));
right2=bitsgetter.getBinaryBitsHex(cell2.charAt(1));
byte cellbyte2=(byte)(left2[3]*128+left2[2]*64+left2[1]*32+left2[0]*16+right2[3]*8+right2[2]*4+right2[1]*2+right2[0]*1);
byte xorbyte;
if(right[0]==1) {
System.out.println("1");
elements[0]=cellbyte2;
}
if(right[1]==1) {
System.out.println("2");
elements[1]=xorByIndex(cellbyte2,1);
}
if(right[2]==1) {
System.out.println("3");
elements[2]=xorByIndex(cellbyte2,2);
}
if(right[3]==1) {
System.out.println("4");
elements[3]=cellbyte2=xorByIndex(cellbyte2,3);
}
System.out.println(right[0]+" "+right[1]+" "+right[2]+" "+right[3]);
return XorAllBytes(elements);
}
public byte do2Xor(byte cell) {
cell=(byte)(cell<<1);
if(left2[3]==1) {
cell=(byte)((cell) ^ constant);
}
return cell;
}
public byte do3Xor(byte cell) {
byte newbyte=cell;
newbyte=do2Xor(cell);
return (byte)(cell ^ newbyte);
}
public byte xorByIndex(byte mydata,int shifts) {
byte returnbyte=mydata;
byte[] bits=new byte[8];
while(shifts>0) {
bits=bitsgetter.getBinaryBits(returnbyte);
returnbyte=(byte)(returnbyte<<1);
if(bits[0]==1) {
returnbyte=(byte)((returnbyte) ^ constant);
}
shifts--;
}
return returnbyte;
}
public byte XorAllBytes(byte[] data) {
byte allxor=(byte)(((data[0]^data[1])^(data[2])^data[3]));
return allxor;
}
public byte justXor(byte cell) {
cell=(byte)((cell) ^ constant);
return cell;
}
public String XorAll(byte[] data) {
byte allxor=(byte)(((data[0]^data[1])^(data[2])^data[3]));
byte[] bits=bitsgetter.getBinaryBits(allxor);
left_value=bits[3]*1+bits[2]*2+bits[1]*4+bits[0]*8;
right_value=bits[7]*1+bits[6]*2+bits[5]*4+bits[4]*8;
return decmhex.getHex(left_value)+decmhex.getHex(right_value);
}
public String xor2hex(String ch1,String ch2) {
left=bitsgetter.getBinaryBitsHex(ch1.charAt(0));
right=bitsgetter.getBinaryBitsHex(ch1.charAt(1));
byte cellbyte=(byte)(left[3]*128+left[2]*64+left[1]*32+left[0]*16+right[3]*8+right[2]*4+right[1]*2+right[0]*1);
left2=bitsgetter.getBinaryBitsHex((ch2.charAt(0)));
right2=bitsgetter.getBinaryBitsHex(ch2.charAt(1));
byte cellbyte2=(byte)(left2[3]*128+left2[2]*64+left2[1]*32+left2[0]*16+right2[3]*8+right2[2]*4+right2[1]*2+right2[0]*1);
byte xor=(byte)(cellbyte^cellbyte2);
byte[] bits=bitsgetter.getBinaryBits(xor);
left_value=bits[3]*1+bits[2]*2+bits[1]*4+bits[0]*8;
right_value=bits[7]*1+bits[6]*2+bits[5]*4+bits[4]*8;
return decmhex.getHex(left_value)+decmhex.getHex(right_value);
}
private bitsgetter bitsgetter=new bitsgetter();
private decimalhex decmhex=new decimalhex();
private byte[] elements;
private byte[] left2;
private byte[] right2;
private byte[] left;
private byte[] right;
private int left_value;
private int right_value;
private byte constant=27;
}
Hexdecimal_converter package :
- Code:
decimalhex.java
java code
package Hexdecimal_converter;
public class decimalhex {
/** Creates a new instance of decimalhex */
public decimalhex() {
}
public String getHex(int decimal)
{
if(decimal<10)Hex=Integer.toString(decimal);
else
{
switch(decimal)
{
case 10:Hex="A";break;
case 11:Hex="B";break;
case 12:Hex="C";break;
case 13:Hex="D";break;
case 14:Hex="E";break;
case 15:Hex="F";break;
default:Hex="?";break;
}
}
return Hex;
}
public int getDecimal(char ch)
{
switch(ch)
{
case '0':Decimal=0;break;
case '1':Decimal=1;break;
case '2':Decimal=2;break;
case '3':Decimal=3;break;
case '4':Decimal=4;break;
case '5':Decimal=5;break;
case '6':Decimal=6;break;
case '7':Decimal=7;break;
case '8':Decimal=8;break;
case '9':Decimal=9;break;
case 'A':Decimal=10;break;
case 'B':Decimal=11;break;
case 'C':Decimal=12;break;
case 'D':Decimal=13;break;
case 'E':Decimal=14;break;
case 'F':Decimal=15;break;
default:Decimal=-1;break;
}
return Decimal;
}
String Hex;
int Decimal;
}
- Code:
decimalhextable.java
java code
package Hexdecimal_converter;
import Bitsgetter.bitsgetter;
public class decimalhextable {
/** Creates a new instance of decimalhex */
public decimalhextable() {
}
public String[][] getHextable(String data) {
byte[] bitsarray;
for(int i=0;i<16;i++) {
bitsarray=bitsget.getBinaryBits(data.charAt(i));
filltable(i,bitsarray);
}
for(int i=0;i<4;i++) {
System.out.print("|");
for(int j=0;j<4;j++)
System.out.print(Hextable[i][j]+" ");
System.out.println("|");
}
return Hextable;
}
public void filltable(int i,byte[] bits) {
row=i%4;
col=i/4;
left_value=bits[3]*1+bits[2]*2+bits[1]*4+bits[0]*8;
right_value=bits[7]*1+bits[6]*2+bits[5]*4+bits[4]*8;
Hextable[row][col]=decmhex.getHex(left_value)+decmhex.getHex(right_value);
}
public String getString(String[][] myTable) {
byte[] b1,b2;
String str=null;
for(int i=0;i<4;i++)
for(int j=0;j<4;j++) {
b1=bitsget.getBinaryBitsHex(myTable[j][i].charAt(0));
b2=bitsget.getBinaryBitsHex( myTable[j][i].charAt(1));
left_value=b1[3]*128+b1[2]*64+b1[1]*32+b1[0]*16;
left_value+=b2[3]*8+b2[2]*4+b2[1]*2+b2[0]*1;
if(str==null)
{
str=Character.toString((char)left_value);
}
else
str+=Character.toString((char)left_value);
}
return str;
}
private String[][] Hextable=new String[4][4];
private decimalhex decmhex=new decimalhex();
private bitsgetter bitsget=new bitsgetter();
private int col;
private int row;
private int left_value;
private int right_value;
}
Package Mixcolumns :
- Code:
invmixcolumns.java
java code
package Mixcolumns;
import Bitsgetter.bytegetter;
public class invmixcolumns {
/** Creates a new instance of invmixcolumns */
public invmixcolumns() {
}
public String[][] invmixcolumns(String[][] state) {
bytegetter=new bytegetter((byte)27);
aftermix=new String[4][4];
data=new byte[4];
for(int i=0;i<4;i++)
for(int j=0;j<4;j++) {
for(int k=0;k<4;k++)
data[k]=bytegetter.Xorbytegetter(trans[i][k],state[k][j]);
aftermix[i][j]=bytegetter.XorAll(data);
}
return aftermix;
}
String[][] trans=new String[][]
{{"0E","0B","0D","09"},
{"09","0E","0B","0D"},
{"0D","09","0E","0B"},
{"0B","0D","09","0E"},
};
String[][] tran2s=new String[][]
{{"02","03","01","01"},
{"01","02","03","01"},
{"01","01","02","03"},
{"03","01","01","02"},
};
private bytegetter bytegetter ;
private String[][] aftermix=new String[4][4];
private byte[] data=new byte[4];
}
- Code:
mixcolumns.java
java code
package Mixcolumns;
import Bitsgetter.bytegetter;
import ase.arrayprinter;
public class mixcolumns {
/** Creates a new instance of mixcolumns */
public mixcolumns() {
}
public String[][] mixcolumns(String[][] state) {
bytegetter=new bytegetter((byte)27);
aftermix=new String[4][4];
data=new byte[4];
for(int i=0;i<4;i++)
for(int j=0;j<4;j++) {
for(int k=0;k<4;k++)
{
data[k]=bytegetter.Xorbytegetter(trans[i][k],state[k][j]);
}
aftermix[i][j]=bytegetter.XorAll(data);
}
return aftermix;
}
String[][] trans=new String[][]
{{"02","03","01","01"},
{"01","02","03","01"},
{"01","01","02","03"},
{"03","01","01","02"},
};
private bytegetter bytegetter;
private String[][] aftermix=new String[4][4];
private byte[] data=new byte[4];
}
Package Shiftrow:
- Code:
invshiftrows.java
java code
package Shiftrow;
import ase.arrayprinter;
public class invshiftrows {
/** Creates a new instance of invshiftrows */
public invshiftrows() {
}
/** Creates a new instance of shiftrows */
public String[][] invshiftrows(String state[][])
{
for(int i=1;i<4;i++)
{
state=rowshift(i,state);
}
return state;
}
public String[][] rowshift(int row,String[][] state)
{
String temp;
for(int num=0;num<row;num++)
{
temp=state[row][3];
for(int i=3;i>0;i--)
{
state[row][i]=state[row][i-1];
}
state[row][0]=temp;
}
return state;
}
}
- Code:
shiftrows.java:
java code
package Shiftrow;
public class shiftrows {
/** Creates a new instance of shiftrows */
public shiftrows() {
}
public String[][] shiftrows(String state[][])
{
for(int i=1;i<4;i++)
{
state=rowshift(i,state);
}
return state;
}
public String[][] rowshift(int row,String[][] state)
{
String temp;
for(int num=0;num<row;num++)
{
temp=state[row][0];
for(int i=0;i<3;i++)
{
state[row][i]=state[row][i+1];
}
state[row][3]=temp;
}
return state;
}
}
package ase:
- Code:
ase.java
java code
package ase;
import AddRoundKey.AddRoundKey;
import AddRoundKey.KeyExpansion;
import Hexdecimal_converter.decimalhextable;
import Mixcolumns.invmixcolumns;
import Mixcolumns.mixcolumns;
import Shiftrow.invshiftrows;
import Shiftrow.shiftrows;
import ase.SBox.invSBOX;
import substitution.substitute_bytes;
public class AES {
/** Creates a new instance of ASE_Cipher */
public AES(String key,String PlainText) {
this.plaintext=PlainText;
mykey=key;
fillDataTable();
}
public String ASE_Cipher_loop() {
AESPanel.StepsText.append("***********CIPHER**************"+'\n');
arrayprinter.printarray(state_plain,"Plain Text");
keytable=keyhex.getHextable( mykey);
arrayprinter.printarray(keytable,"Key Hex");
keyexpan.keyExpansion(keytable);
ROUND=1;
AESPanel.StepsText.append("************************"+'\n');
arrayprinter.printarray(keyexpan.getkeyToRound(),"Round key Value");
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
while(ROUND<=9) {
arrayprinter.printarray(state_plain,"Start of Round");
substitute_bytes();
arrayprinter.printarray(state_plain,"After SubBytes");
state_plain=shift.shiftrows(state_plain);
arrayprinter.printarray(state_plain,"After shiftrows");
state_plain=mixer.mixcolumns(state_plain);
arrayprinter.printarray(state_plain,"Mix-columns");
ROUND++;
arrayprinter.printarray(keyexpan.getkeyToRound(),"Round key Value");
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
}
substitute_bytes();
arrayprinter.printarray(state_plain,"After SubBytes");
state_plain=shift.shiftrows(state_plain);
arrayprinter.printarray(state_plain,"After shiftrows");
ROUND++;
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
AESPanel.StepsText.append("**************************"+'\n');
arrayprinter.printarray(state_plain,"Cipher Text");
AESPanel.StepsText.append("****************************"+'\n');
return plainhex.getString(state_plain);
}
public String ASE_Decipher_loop() {
AESPanel.StepsText.append("************************DECIPHER***********************************"+'\n');
ROUND=11;
keytable=keyhex.getHextable(mykey);
keyexpan.keyExpansion(keytable);
arrayprinter.printarray( keyexpan.getWords(),"Key expantintion");
arrayprinter.printarray(state_plain,"Start of Round");
arrayprinter.printarray(keyexpan.getkeyToRound(),"Round key Value");
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
arrayprinter.printarray(state_plain,"After Add round key");
ROUND--;
while(ROUND>1) {
state_plain=invshift.invshiftrows(state_plain);
arrayprinter.printarray(state_plain,"After invshiftrows");
inverssubstitute_bytes();
arrayprinter.printarray(state_plain,"After SubBytes");
arrayprinter.printarray(keyexpan.getkeyToRound(),"Round key Value");
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
arrayprinter.printarray(state_plain,"After Add round key");
state_plain=invmix.invmixcolumns(state_plain);
arrayprinter.printarray(state_plain,"invMix-columns");
ROUND--;
}
state_plain=invshift.invshiftrows(state_plain);
arrayprinter.printarray(state_plain,"After invshiftrows");
inverssubstitute_bytes();
arrayprinter.printarray(state_plain,"After SubBytes");
arrayprinter.printarray(keyexpan.getkeyToRound(),"Round key Value");
state_plain=AddRoundkey.AddRoundKey(state_plain,keyexpan.getkeyToRound());
arrayprinter.printarray(state_plain,"state plain");
AESPanel.StepsText.append("*************************************"+'\n');
arrayprinter.printarray(state_plain,"Plain text");
return plainhex.getString(state_plain);
}
public void fillDataTable() {
state_plain=plainhex.getHextable(plaintext);
}
public void substitute_bytes() {
for(int i=0;i<4;i++) {
for(int j=0;j<4;j++) {
state_plain[i][j]=substit.getsubstitue_bytes(state_plain[i][j]);
}
}
}
public void inverssubstitute_bytes() {
for(int i=0;i<4;i++) {
for(int j=0;j<4;j++) {
state_plain[i][j]=substit.invgetsubstitue_bytes(state_plain[i][j]);
}
}
}
public static int ROUND=1;
private decimalhextable plainhex=new decimalhextable();
private decimalhextable keyhex=new decimalhextable();
private substitute_bytes substit=new substitute_bytes();
private AddRoundKey AddRoundkey=new AddRoundKey();
private KeyExpansion keyexpan=new KeyExpansion();
private mixcolumns mixer=new mixcolumns();
private shiftrows shift=new shiftrows();
private invmixcolumns invmix=new invmixcolumns();
private invshiftrows invshift=new invshiftrows();
private invSBOX invsbox=new invSBOX();
private String plaintext ;
private String mykey;
private String[][] state_plain=new String[4][4];
private String[][] keytable=new String[4][4];
}
- Code:
AESMain.java
java code
package ase;
import AddRoundKey.KeyExpansion;
import ase.AES;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.DocumentFilter;
public class ASEMain {
/** Creates a new instance of DesMain */
public ASEMain() {
}
public static void main(String [] rr){
AESPanel mm = new AESPanel();
mm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mm.setVisible(true);
}
}
class AESPanel extends JFrame{
public static JTextArea StepsText = new JTextArea(17,70);
private AES mm;
private KeyExpansion ee =new KeyExpansion();
private Container c=this.getContentPane();
private JButton btnCihper = new JButton("Cipher");
private JButton btnDeCihper = new JButton("Decipher");
private JTextArea CipherText = new JTextArea(4,70);
private JTextArea OriginalText = new JTextArea(4,70);
private JTextArea DeCipherText = new JTextArea(4,70);
private JScrollPane OriginalScorl=new JScrollPane(OriginalText,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
private JScrollPane CipherScorl=new JScrollPane(CipherText,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
private JScrollPane DecipherScorl=new JScrollPane(DeCipherText,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
private JScrollPane StepScorl=new JScrollPane(StepsText,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
private JTextField KeyWord = new JTextField(16);
private JPanel PanelCipher = new JPanel();
private JPanel PanelDecipher = new JPanel();
private JPanel PanelKeyWord = new JPanel();
private JPanel PanelOriginaltxt = new JPanel();
private JPanel jpstep=new JPanel();
private JLabel lblKeyWord= new JLabel("KeyWord : ");
public AESPanel(){
this.setTitle("AES");
this.setSize(600,700);
this.setVisible(true);
setState(JFrame.MAXIMIZED_BOTH);
setExtendedState(this.getExtendedState() | this.MAXIMIZED_BOTH);
GenerateGUI();
}
private void GenerateGUI(){
c.setLayout(new FlowLayout());
PanelKeyWord.setLayout(new FlowLayout());
PanelKeyWord.add(lblKeyWord);
PanelKeyWord.add(KeyWord);
PanelOriginaltxt.setBorder(BorderFactory.createTitledBorder("Original Text"));
PanelOriginaltxt.setLayout(new FlowLayout());
PanelOriginaltxt.add(OriginalScorl);
PanelCipher.setBorder(BorderFactory.createTitledBorder("Cipher Text"));
PanelCipher.setLayout(new FlowLayout());
PanelCipher.add(CipherScorl);
PanelCipher.add(btnCihper);
PanelDecipher.setBorder(BorderFactory.createTitledBorder("Decipher Text"));
PanelDecipher.setLayout(new FlowLayout());
PanelDecipher.add(DecipherScorl);
PanelDecipher.add(btnDeCihper);
jpstep.setBorder(BorderFactory.createTitledBorder("Mointor"));
jpstep.setLayout(new FlowLayout());
jpstep.add(StepScorl);
c.add(PanelKeyWord);
c.add(PanelOriginaltxt);
c.add(PanelCipher);
c.add(PanelDecipher);
c.add(jpstep);
DoActions();
}
private void DoActions(){
ActionHandler action = new ActionHandler();
btnCihper.addActionListener(action);
btnDeCihper.addActionListener(action);
}
private class ActionHandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
if(e.getSource()==btnCihper){
String plaintext=OriginalText.getText();
String keyworD=KeyWord.getText();
if(keyworD.length()<16) {
String Massg="Keyword must be 16 character";
JOptionPane.showConfirmDialog(null, Massg,"Error",
JOptionPane.ERROR_MESSAGE);
} else if(plaintext.length()<16) {
String Massg="Original Text must be 16 character or larger";
JOptionPane.showConfirmDialog(null, Massg,"Error",
JOptionPane.ERROR_MESSAGE);
} else {
StepsText.setText(" ");
StepsText.append("keyword : "+keyworD+'\n');
StepsText.append("PlainText : "+plaintext+'\n');
mm= new AES( keyworD,plaintext);
CipherText.append(mm.ASE_Cipher_loop());
}
}
if(e.getSource()==btnDeCihper){
if(mm!=null) {
DeCipherText.setText(mm.ASE_Decipher_loop());
}
}
}
}
}
class DocumentSizeFilter extends DocumentFilter {
int maxCharacters;
public DocumentSizeFilter(int maxChars) {
maxCharacters = maxChars;
}
public void insertString(FilterBypass fb, int offs, String str, AttributeSet a) throws BadLocationException {
if ((fb.getDocument().getLength() + str.length()) <= maxCharacters)
super.insertString(fb, offs, str, a);
else
Toolkit.getDefaultToolkit().beep();
}
public void replace(FilterBypass fb, int offs, int length, String str, AttributeSet a) throws BadLocationException {
if ((fb.getDocument().getLength() + str.length()- length) <= maxCharacters)
super.replace(fb, offs, length, str, a);
else
Toolkit.getDefaultToolkit().beep();
}
}
- Code:
arrayprinter.java
java code
package ase;
import ase.AESPanel;
public class arrayprinter {
public arrayprinter() {
}
public static void printarray(String[][] arr,String label) {
AESPanel.StepsText.append("-- "+label+" -- "+'\n');
for(int i=0;i<arr.length ;i++) {
AESPanel.StepsText.append("| ");
for(int j=0;j<arr[0].length;j++) {
AESPanel.StepsText.append(arr[i][j]+" ");
}
AESPanel.StepsText.append("| "+'\n');
}
}
}
Package ase.SBox :
- Code:
SBox.java
java code
package ase.SBox;
import Hexdecimal_converter.decimalhex;
public class SBox {
public SBox() {
}
public String getSbox(String cell)
{
row=decimalhex.getDecimal(cell.charAt(0));
col=decimalhex.getDecimal(cell.charAt(1));
return sbox[row][col];
}
private String sbox[][]=new String[][]
{{"63" , "7C" , "77" , "7B" , "F2" , "6B" , "6F" , "C5" , "30" , "01" , "67" , "2B" , "FE" , "D7" , "AB" , "76"},
{"CA" , "82" , "C9" , "7D" , "FA" , "59" , "47" , "F0" , "AD", "D4", "A2" , "AF" , "9C" , "A4" , "72" , "C0"},
{"B7" , "FD", "93" , "26" , "36" , "3F" , "F7" , "CC" , "34" , "A5" , "E5" , "F1" , "71" , "D8" , "31" , "15"},
{"04" , "C7", "23" , "C3", "18", "96" , "05" , "9A" , "07" , "12" , "80" , "E2" , "EB" , "27" , "B2" , "75"},
{"09" , "83", "2C", "1A", "1B" , "6E" , "5A" , "A0" , "52" , "3B" , "D6" , "B3" , "29" , "E3" , "2F" , "84" },
{"53" , "D1", "00", "ED", "20" , "FC" , "B1" , "5B" , "6A" , "CB" , "BE" , "39" , "4A" , "4C" , "58" , "CF" },
{"D0" , "EF" , "AA" , "FB", "43", "4D", "33" , "85", "45", "F9" , "02" , "7F" , "50" , "3C", "9F" , "A8"},
{"51" , "A3" , "40" , "8F" , "92" , "9D" , "38" , "F5" , "BC" , "B6" , "DA" ,"21" , "10" , "FF" , "F3" , "D2"},
{"CD" , "0C" , "13" , "EC" , "5F" , "97" , "44" , "17" , "C4" , "A7" , "7E" , "3D" , "64" , "5D" , "19" , "73"},
{"60" , "81" , "4F" , "DC" , "22" , "2A" , "90" , "88" , "46" , "EE" , "B8" , "14" , "DE", "5E" , "0B" , "DB"},
{"E0" , "32", "3A" , "0A", "49", "06" , "24" , "5C" , "C2" , "D3" , "AC" , "62", "91" , "95" , "E4", "79"},
{"E7" , "C8" , "37" , "6D", "8D" , "D5" , "4E" , "A9" , "6C", "56" , "F4" , "EA" , "65", "7A" , "AE" , "08"},
{"BA" , "78" , "25", "2E", "1C", "A6", "B4" , "C6", "E8" , "DD" ,"74" , "1F" , "4B" , "BD", "8B", "8A"},
{"70" , "3E", "B5" , "66", "48", "03" , "F6" , "0E", "61", "35" , "57" , "B9", "86" , "C1", "1D" , "9E"},
{"E1", "F8", "98", "11", "69", "D9" ,"8E" ,"94", "9B", "1E", "87", "E9", "CE" , "55", "28" ,"DF"},
{"8C" , "A1" , "89" , "0D" , "BF" , "E6" , "42" , "68" , "41" , "99" , "2D" , "0F" , "B0" , "54" , "BB", "16"}};
private decimalhex decimalhex=new decimalhex();
private int row;
private int col;
}
- Code:
invSBox.java
java code
package ase.SBox;
import Hexdecimal_converter.decimalhex;
public class invSBOX {
/** Creates a new instance of invSBOX */
public invSBOX() {
}
public String getinvSbox(String cell) {
row=decimalhex.getDecimal(cell.charAt(0));
col=decimalhex.getDecimal(cell.charAt(1));
return invsbox[row][col];
}
private String invsbox[][]=new String[][]{
{ "52", "09", "6A", "D5", "30", "36", "A5", "38", "BF", "40" ,"A3", "9E", "81", "F3", "D7", "FB" },
{"7C", "E3", "39", "82", "9B", "2F", "FF", "87", "34", "8E", "43", "44", "C4", "DE", "E9", "CB" },
{"54" ,"7B", "94", "32", "A6", "C2", "23", "3D", "EE", "4C", "95", "0B", "42", "FA", "C3", "4E" },
{"08", "2E", "A1", "66" ,"28", "D9", "24", "B2", "76", "5B", "A2", "49", "6D", "8B", "D1", "25" },
{"72", "F8", "F6", "64" ,"86", "68", "98", "16", "D4", "A4", "5C", "CC", "5D", "65", "B6", "92" },
{ "6C", "70", "48", "50", "FD", "ED", "B9", "DA", "5E", "15", "46", "57", "A7", "8D", "9D", "84" },
{ "90", "D8","AB", "00", "8C", "BC", "D3", "0A", "F7", "E4", "58", "05", "B8", "B3", "45", "06", },
{"D0", "2C", "1E", "8F", "CA", "3F", "0F", "02", "C1", "AF", "BD", "03", "01", "13", "8A", "6B"} ,
{"3A", "91", "11", "41", "4F", "67", "DC", "EA", "97", "F2", "CF", "CE", "F0", "B4", "E6", "73", },
{ "96", "AC", "74", "22", "E7", "AD", "35", "85", "E2", "F9", "37", "E8", "1C", "75", "DF", "6E", },
{"47", "F1", "1A", "71", "1D", "29", "C5", "89", "6F", "B7", "62", "0E", "AA", "18", "BE", "1B"} ,
{"FC", "56", "3E", "4B", "C6", "D2", "79", "20", "9A", "DB", "C0", "FE", "78", "CD", "5A", "F4",},
{"1F", "DD", "A8", "33", "88", "07", "C7", "31", "B1", "12", "10","59", "27", "80", "EC", "5F"} ,
{"60", "51", "7F", "A9", "19", "B5", "4A", "0D", "2D", "E5", "7A", "9F", "93", "C9", "9C", "EF"},
{"A0", "E0", "3B", "4D", "AE", "2A", "F5", "B0", "C8", "EB", "BB", "3C", "83", "53", "99", "61" },
{"17", "2B", "04", "7E", "BA", "77", "D6", "26", "E1", "69", "14", "63", "55", "21", "0C", "7D"}};
private decimalhex decimalhex=new decimalhex();
private int row;
private int col;
}
substitution package
- Code:
substitute_bytes.java :
java code
package substitution;
import ase.SBox.SBox;
import ase.SBox.invSBOX;
public class substitute_bytes {
/** Creates a new instance of substitute_bytes */
public substitute_bytes()
{
}
public String getsubstitue_bytes(String cell)
{
return sbox.getSbox(cell);
}
public String invgetsubstitue_bytes(String cell)
{
return invsbox.getinvSbox(cell);
}
private SBox sbox=new SBox();
private invSBOX invsbox=new invSBOX();
private int row;
private int col;
}
- AES Screenshot
- Attachments
-
ASE.rar- AES project source code
- (57.65 KiB) Downloaded 4453 times
Re: Advanced Encryption Standard (AES)
Tue Jan 20, 2009 10:49 am
thanks, i want to buil email ecryption with AES. can you hel me ???
[email protected]
because i am student at eepis-its.edu and my project is encrypt email with AES
please help me !!!
may be you have example code AES GUI/APPLET in java neatbeans , implementation to email
thnks
[email protected]
because i am student at eepis-its.edu and my project is encrypt email with AES
please help me !!!
may be you have example code AES GUI/APPLET in java neatbeans , implementation to email
thnks
Re: Advanced Encryption Standard (AES)
Tue Jan 20, 2009 11:06 pm
what you mean by "Email encryption "
Re: Advanced Encryption Standard (AES)
Mon Feb 23, 2009 5:16 am
hiiiii....
how i can use this algorithm with voice i mean in real-time is there any voice chat using AES algorithm by any lang
how i can use this algorithm with voice i mean in real-time is there any voice chat using AES algorithm by any lang
Re: Advanced Encryption Standard (AES)
Sun Mar 15, 2009 12:28 pm
thanks
Re: Advanced Encryption Standard (AES)
Thu Dec 10, 2009 7:21 pm
can any one help me please............
I need a project of encryption of text and image files using AES algorithm in C++............
plzz.............its really urgent............mail it on [email protected]
I need a project of encryption of text and image files using AES algorithm in C++............
plzz.............its really urgent............mail it on [email protected]
Re: Advanced Encryption Standard (AES)
Thu Dec 01, 2011 5:15 pm
thanks for this code. can anyone help me for the IDEA encryption algorithm like this DES and AES?
please reply as soon as possible.
please reply as soon as possible.
Re: Advanced Encryption Standard (AES)
Sun Jan 20, 2013 5:57 pm
Cipher and Decipher examples :
java/advanced-encryption-standard-aes-example-cipher-step1-t182.html
java/advanced-encryption-standard-aes-example-decipher-step2-t183.html
java/advanced-encryption-standard-aes-example-cipher-step1-t182.html
java/advanced-encryption-standard-aes-example-decipher-step2-t183.html
Topic Tags
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