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/*
JaVi v1.0 - JavaVigenere - A Java implementation of the Vigenere
cryptographical algorithm
Un'implementazione Java dell'algoritmo di
Vigenere per la crittografia
Copyright (C) 2002 Pierre Blanc
http://www.teutoburgo.tk/it (italiano)
http://www.teutoburgo.tk/en (english)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or go to http://www.gnu.org/copyleft/gpl.html
Questo programma è software libero; è lecito redistribuirlo o
modificarlo secondo i termini della Licenza Pubblica Generica GNU
come è pubblicata dalla Free Software Foundation, o la versione 2
della licenza.
Questo programma è distribuito nella speranza che sia utile, ma
SENZA ALCUNA GARANZIA; senza neppure la garanzia implicita di
NEGOZIABILITĄ o di APPLICABILITĄ PER UN PARTICOLARE SCOPO. Si
veda la Licenza Pubblica Generica GNU per avere maggiori dettagli.
Questo programma deve essere distribuito assieme ad una copia
della Licenza Pubblica Generica GNU; in caso contrario, se ne può
ottenere una scrivendo alla Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA oppure da
http://www.gnu.org/copyleft/gpl.html
Un grazie sentito a Roberto detto "Piano Man" per l'importante aiuto.
*/
package JaVi;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/**
*
* <p>Title: JaVi Applet</p>
* <p>Description: The class implementing the JaVi applet. It requires
* the Vigenere and the FrequenzaNijk objects</p>
* <p>Copyright: Copyright (c) 2002 Pierre Blanc</p>
* <p>Company: Teutoburgo</p>
* @author Pierre Blanc
* @version 1.0
*/
public class Javi2Applet extends Applet {
int defAcc=30;
boolean isTAKEditable = true;
boolean isTAKVisible = true;
boolean isStandalone = false;
boolean isEvaluable = true;
Vigenere vi;
BorderLayout borderLayout1 = new BorderLayout();
Panel panelLanguage = new Panel();
GridLayout gridLayout3 = new GridLayout(3,1);
Button buttonEnglish = new Button();
Button buttonItaliano = new Button();
Panel panel1 = new Panel();
GridLayout gridLayout1 = new GridLayout(3,1);
Panel panelPhrase = new Panel();
Panel panelKey = new Panel();
Panel panelEncrypted = new Panel();
FlowLayout flowLayout1 = new FlowLayout();
Label labelPhrase = new Label();
TextArea textArea1 = new TextArea("Insert your phrase here",3,30,
TextArea.SCROLLBARS_VERTICAL_ONLY);
FlowLayout flowLayout2 = new FlowLayout();
Button buttonCrypt = new Button();
Label labelKey = new Label();
TextArea textAreaKey = new TextArea("Key",3,30,
TextArea.SCROLLBARS_VERTICAL_ONLY);
Button buttonDecrypt = new Button();
FlowLayout flowLayout3 = new FlowLayout();
Label labelEncrypted = new Label();
TextArea textArea3 = new TextArea("Encrypted",3,30,
TextArea.SCROLLBARS_VERTICAL_ONLY);
Panel panelCheck = new Panel();
Panel panelEditable = new Panel();
Panel panelVisible = new Panel();
FlowLayout flowLayout4 = new FlowLayout();
Checkbox checkbox1 = new Checkbox("CBVisible", isTAKVisible);
FlowLayout flowLayout5 = new FlowLayout();
Checkbox checkbox2 = new Checkbox("CBEditable", isTAKEditable);
FlowLayout flowLayout6 = new FlowLayout();
Button buttonReset = new Button();
Panel panelAbout = new Panel();
GridLayout gridLayout2 = new GridLayout(3,1);
Label label1 = new Label();
Label label3 = new Label();
Panel panel2 = new Panel();
FlowLayout flowLayout7 = new FlowLayout();
Label label2 = new Label();
Label label4 = new Label();
Panel panelGauge = new Panel();
GridLayout gridLayout4 = new GridLayout();
Label labelGauge = new Label();
Label labelGauge2 = new Label();
Label labelGauge3 = new Label();
/**
* Get a parameter value
* @param key
* @param def
* @return the value
*/
public String getParameter(String key, String def) {
return isStandalone ? System.getProperty(key, def) :
(getParameter(key) != null ? getParameter(key) : def);
}
/**Construct the applet*/
public Javi2Applet() {
}
/**Initialize the applet*/
public void init() {
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}
/**
* Component initialization
* @throws Exception
*/
private void jbInit() throws Exception {
String accuracy=this.getParameter("ACCURACY","30");
String methodKey=this.getParameter("Method","MAX");
String UnicFirst=this.getParameter("UnicodeFirstChar","32");
String UnicLast=this.getParameter("UnicodeLastChar","123");
defAcc=Integer.parseInt(accuracy);
int Unic0=Integer.parseInt(UnicFirst);
int UnicZ=Integer.parseInt(UnicLast);
vi=new Vigenere(Unic0, UnicZ, methodKey);
labelGauge2.setForeground(Color.black);
this.resize(620,380);
this.setLayout(borderLayout1);
panelLanguage.setLayout(gridLayout3);
buttonEnglish.setBackground(new Color(0, 192, 138));
buttonEnglish.setLabel("English");
buttonEnglish.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
buttonEnglish_mouseClicked(e);
}
});
buttonItaliano.setBackground(new Color(255, 138, 0));
buttonItaliano.setForeground(Color.white);
buttonItaliano.setLabel("Italiano");
buttonItaliano.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(MouseEvent e) {
buttonItaliano_mousePressed(e);
}
});
panelLanguage.setBackground(Color.gray);
panel1.setBackground(Color.blue);
panel1.setLayout(gridLayout1);
panelPhrase.setLayout(flowLayout1);
labelPhrase.setForeground(Color.yellow);
panelKey.setLayout(flowLayout2);
buttonCrypt.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
buttonCrypt_mouseClicked(e);
}
});
textAreaKey.setText(Double.toString(java.lang.Math.PI)+
Double.toString(java.lang.Math.E));
textAreaKey.setBackground(Color.lightGray);
textAreaKey.setColumns(35);
textAreaKey.setEditable(isTAKEditable);
textAreaKey.setVisible(isTAKVisible);
textAreaKey.addTextListener(new java.awt.event.TextListener() {
public void textValueChanged(TextEvent e) {
textAreaKey_textValueChanged(e);
}
});
buttonDecrypt.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
buttonDecrypt_mouseClicked(e);
}
});
panelEncrypted.setLayout(flowLayout3);
labelEncrypted.setForeground(Color.yellow);
textArea3.setBackground(Color.blue);
textArea3.setColumns(35);
textArea3.setForeground(Color.yellow);
textArea3.setText("");
panelCheck.setLayout(flowLayout6);
panelVisible.setLayout(flowLayout4);
checkbox1.setBackground(SystemColor.text);
checkbox1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(MouseEvent e) {
checkbox1_mousePressed(e);
}
});
panelEditable.setLayout(flowLayout5);
checkbox2.setBackground(SystemColor.text);
checkbox2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(MouseEvent e) {
checkbox2_mousePressed(e);
}
});
panelKey.setBackground(Color.pink);
panelCheck.setBackground(Color.gray);
panelVisible.setBackground(Color.gray);
panelEditable.setBackground(Color.gray);
panelPhrase.setBackground(SystemColor.desktop);
panelEncrypted.setBackground(SystemColor.desktop);
buttonReset.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
buttonReset_mouseClicked(e);
}
});
textArea1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
textArea1_mouseClicked(e);
}
});
textArea1.setBackground(Color.blue);
textArea1.setColumns(35);
textArea1.setForeground(Color.yellow);
panelAbout.setLayout(gridLayout2);
label3.setText("Copyright (C) P.Blanc 2002 - "+
"http://it.geocities.com/teutoburgo");
this.setBackground(SystemColor.text);
panel2.setLayout(flowLayout7);
label2.setText("b<AE=<");
englishVersion();
panelGauge.setLayout(gridLayout4);
labelGauge.setText("label5");
gridLayout4.setRows(3);
labelGauge2.setText("label5");
labelGauge3.setForeground(Color.white);
this.add(panelLanguage, BorderLayout.EAST);
panelLanguage.add(buttonEnglish, null);
panelLanguage.add(buttonItaliano, null);
this.add(panel1, BorderLayout.CENTER);
panel1.add(panelPhrase, null);
panelPhrase.add(labelPhrase, null);
panelPhrase.add(textArea1, null);
panel1.add(panelKey, null);
panelKey.add(buttonCrypt, null);
panelKey.add(labelKey, null);
panelKey.add(textAreaKey, null);
panelKey.add(buttonDecrypt, null);
panel1.add(panelEncrypted, null);
panelEncrypted.add(labelEncrypted, null);
panelEncrypted.add(textArea3, null);
this.add(panelCheck, BorderLayout.SOUTH);
panelCheck.add(buttonReset, null);
panelCheck.add(panelVisible, null);
panelVisible.add(checkbox1, null);
panelCheck.add(panelEditable, null);
panelEditable.add(checkbox2, null);
this.add(panelAbout, BorderLayout.NORTH);
panelAbout.add(label1, null);
panelAbout.add(label3, null);
panelAbout.add(panel2, null);
panel2.add(label4, null);
panel2.add(label2, null);
this.add(panelGauge, BorderLayout.WEST);
panelGauge.add(labelGauge, null);
panelGauge.add(labelGauge2, null);
panelGauge.add(labelGauge3, null);
labelGauge.setText("Key Strength:");
keyStrength();
buttonReset.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(MouseEvent e) {
buttonReset_mouseClicked(e);
}
});
textArea1.addTextListener(new java.awt.event.TextListener() {
public void textValueChanged(TextEvent e) {
textArea1_textValueChanged(e);
}
});
}
/**
* Get Applet information
* @return the applet information
*/
public String getAppletInfo() {
return "Applet Information";
}
/**
* Get parameter info
* @return parameter info
*/
public String[][] getParameterInfo() {
return null;
}
/**
* Richiama il metodo getKSPerCent dell'oggetto Vigenere e colora la
* labelGauge3 di rosso, giallo o verde a seconda della percentuale
* <br>
* Calls the getKSPerCent method of the Vigenere object and fills the
* labelGauge3 of ref, yellow or green depending of the percentual value
*/
void keyStrength(){
if (isEvaluable){
int s=vi.getKSPerCent(textAreaKey.getText(),defAcc);
if (s<=60) labelGauge3.setBackground(Color.red);
if (s<=90 &&s>60) labelGauge3.setBackground(Color.yellow);
if (s>90) labelGauge3.setBackground(Color.green);
labelGauge2.setText(s+" %");
} else {
labelGauge2.setText("--");
labelGauge3.setBackground(Color.lightGray);
}
if (textAreaKey.getText().length()< textArea1.getText().length())
{
labelGauge3.setBackground(Color.red);
labelGauge3.setText("Key Short!");
} else labelGauge3.setText("");
}
/**
* Controlla che la chiave non sia piu' corta della frase; in tal caso stampa
* il messaggio "Key Short!" ("Chiave corta!")
* <br>
* Checks if the key is shorter than the phrase; if so, prints the message
* "Key Short!"
*/
void keyLength(){
String st=labelGauge2.getText();
if (isEvaluable){
if (st.length()==4) st=st.substring(0,2); else
if (st.length()==5) st=st.substring(0,3); else st=st.substring(0,1);
int s=Integer.parseInt(st);
if (s<=60) labelGauge3.setBackground(Color.red);
if (s<=90 &&s>60) labelGauge3.setBackground(Color.yellow);
if (s>90) labelGauge3.setBackground(Color.green);
}
if (textAreaKey.getText().length()< textArea1.getText().length())
{
labelGauge3.setBackground(Color.red);
labelGauge3.setText("Key Short!");
} else {
labelGauge3.setText("");
if (!isEvaluable) labelGauge3.setBackground(Color.lightGray);
}
}
/**
* Imposta il linguaggio italiano alla pressione del buttonItaliano
* <br>
* Sets the italian language when buttonItaliano is pressed
* @param e the MouseEvent
*/
void buttonItaliano_mousePressed(MouseEvent e) {
labelGauge.setText("Forza Chiave:");
labelPhrase.setText("Frase");
buttonCrypt.setLabel("Critta");
labelKey.setText("Chiave");
buttonDecrypt.setLabel("Decritta");
labelEncrypted.setText("Frase Crittata");
checkbox1.setLabel("Chiave visibile");
checkbox2.setLabel("Valuta Chiave");
buttonReset.setLabel("Resetta Chiave");
textArea1.setText("Inserisci qui la tua frase");
textArea1.selectAll();
label1.setText("JaVi - v1.0 - Un'implementazione Java dell'algoritmo "+
"di Vigenere.");
label4.setText("Questo software e' tutelato dalla GPL license v.2");
}
void checkbox1_mousePressed(MouseEvent e) {
textAreaKey.setVisible(!textAreaKey.isVisible());
}
void checkbox2_mousePressed(MouseEvent e) {
isEvaluable=!isEvaluable;
keyStrength();
}
void textArea1_mouseClicked(MouseEvent e) {
textArea1.selectAll();
}
/**
* Richiama il metodo getEncryptedPhrase dell'oggetto Vigenere alla pressione
* del buttonCrypt
* <br>
* Calls the method getEncryptedPhrase of the Vigenere object when buttonCrypt
* is pressed
* @param e the MouseEvent
*/
void buttonCrypt_mouseClicked(MouseEvent e) {
textArea3.setText(vi.getEncryptedPhrase(textArea1.getText(),
textAreaKey.getText()));
textArea1.setText("");
}
/**
* Richiama il metodo getPhrase dell'oggetto Vigenere alla pressione
* del buttonDecrypt
* <br>
* Calls the method getPhrase of the Vigenere object when buttonDecrypt
* is pressed
* @param e the MouseEvent
*/
void buttonDecrypt_mouseClicked(MouseEvent e) {
textArea1.setText(vi.getPhrase(textArea3.getText(),
textAreaKey.getText()));
}
/**
* Richiama il metodo englishVersion alla pressione del buttonEnglish
* <br>
* Calls the englishVersion method when buttonEnglish is pressed
* @param e the MouseEvent
*/
void buttonEnglish_mouseClicked(MouseEvent e) {
englishVersion();
}
void buttonReset_mouseClicked(MouseEvent e) {
textAreaKey.setText(Double.toString(java.lang.Math.PI)+
Double.toString(java.lang.Math.E));
keyStrength();
}
/**
* Imposta il linguaggio inglese
* <br>
* Sets the english language
*/
void englishVersion (){
labelGauge.setText("Key Strength:");
labelPhrase.setText("Phrase");
buttonCrypt.setLabel("Encrypt");
labelKey.setText(" Key ");
buttonDecrypt.setLabel("Decrypt");
labelEncrypted.setText("Encrypted Phrase");
checkbox1.setLabel("Visible Key ");
checkbox2.setLabel("Evaluate Key ");
buttonReset.setLabel(" Reset Key ");
textArea1.setText("Insert your phrase here");
textArea1.selectAll();
label1.setText("JaVi - v1.0 - A Java implementation of the Vigenere"+
" algorithm.");
label4.setText("This software is under the GPL license v.2 ");
}
void textArea1_textValueChanged(TextEvent e) {
keyLength();
}
void textAreaKey_textValueChanged(TextEvent e) {
keyStrength();
}
}
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