@Override
public void actionPerformed(ActionEvent ape) {
String command = ape.getActionCommand();
if (command.equals("newSetting")) {
// check parameters
int garlic = Integer.parseInt(memoryField.getText());
int lambda = Integer.parseInt(timeField.getText());
if (garlic > 63) {
errorLabel.setText("invalid memory cost parameter: must be < 64");
pack();
return;
}
if (garlic == 0 || lambda == 0) {
errorLabel.setText("invalid cost parameters");
pack();
return;
}
if (instance.equals("Dragonfly-Full") || instance.equals("Dragonfly")) {
CatenaKDF.setVersionID(instance);
CatenaKDF.setGarlicDragonfly(garlic);
CatenaKDF.setLambdaDragonfly(lambda);
} else if (instance.equals("Butterfly-Full") || instance.equals("Butterfly")) {
CatenaKDF.setVersionID(instance);
CatenaKDF.setGarlicButterfly(garlic);
CatenaKDF.setLambdaButterfly(lambda);
}
KeyDerivation.setKdf(new CatenaKDF());
setting.dispose();
} else { // RadioButton for instance
instance = ape.getActionCommand();
int garlic = Integer.parseInt(memoryField.getText());
int lambda = Integer.parseInt(timeField.getText());
if (garlic > 22 || lambda > 4) {
errorLabel.setText("Warning: Long execution time");
} else {
errorLabel.setText("");
}
if (instance.equals("Dragonfly")) {
timeRecommendedLabel.setText("recommended 2"); // lambda: 2
memoryRecommendedLabel.setText("recommended >= 18"); // garlic
timeField.setText("2");
memoryField.setText("18");
} else if (instance.equals("Dragonfly-Full")) {
timeRecommendedLabel.setText("recommended 2"); // lambda: 2
memoryRecommendedLabel.setText("recommended >= 18"); // garlic
timeField.setText("2");
memoryField.setText("18");
} else if (instance.equals("Butterfly")) {
timeRecommendedLabel.setText("recommended 4"); // lambda: 4
memoryRecommendedLabel.setText("recommended >= 14"); // garlic
timeField.setText("4");
memoryField.setText("14");
} else if (instance.equals("Butterfly-Full")) {
timeRecommendedLabel.setText("recommended 4"); // lambda: 4
memoryRecommendedLabel.setText("recommended >= 14"); // garlic
timeField.setText("4");
memoryField.setText("14");
}
}
}
public static final void createFile() {
// =====================
// initialize (order!)
//
if (HashStuff.getHashAlgo() == null) {
HashStuff.setHashAlgo(DEFAULT_HASH); // default
}
if (CipherStuff.isBound() == true) {
Attachments.generateAndSetProgramRandomBytes();
Attachments.generateAndSetFileIdentifier();
KeyDerivation.setSalt(Attachments.getProgramRandomBytes());
} else {
// use default values for fileIdentifier and programRandomBytes
// calculate default salt and update via setAttachedSalt:
// xor the salt with attachedSalt (will be attached to the content)
Attachments.setFileIdentifier("PFACTORY".getBytes(UTF_8)); // 8 byte
// 129 byte string to initialize the salt:
String fixedSaltString =
"PEAFACTORY - PRODUCTION OF PASSWORD ENCRYPTED ARCHIVES - FIXED STRING USED TO INITIALIZE THE SALT FOR THE KEY DERIVATION FUNCTION";
String saltString = fixedSaltString.substring(0, KeyDerivation.getSaltSize());
Attachments.setProgramRandomBytes(saltString.getBytes(UTF_8));
KeyDerivation.setSalt(saltString.getBytes(UTF_8));
byte[] attachedSalt =
new RandomStuff().createRandomBytes(Attachments.getProgramRandomBytesSize());
KeyDerivation.setAttachedAndUpdateSalt(attachedSalt);
}
// DEFAULT CIPHER ALGO:
if (CipherStuff.getCipherAlgo() == null) {
CipherStuff.setCipherAlgo(DEFAULT_CIPHER);
}
// DEFAULT KEY DERIVATION FUNCTION
if (KeyDerivation.getKdf() == null) {
KeyDerivation.setKdf(DEFAULT_KDF);
}
// ======================================
// get password from pswField and check:
//
char[] pswInputChars = MainView.getPsw();
MainView.resetPsw();
char[] pswInputChars2 = MainView.getPsw2();
MainView.resetPsw2();
if ((pswInputChars2.length == 0) && (pswInputChars.length != 0)) {
JOptionPane.showMessageDialog(
null, languageBundle.getString("password2_is_null"), null, JOptionPane.PLAIN_MESSAGE);
return;
} else if (pswInputChars.length != pswInputChars2.length) {
JOptionPane.showMessageDialog(
null, languageBundle.getString("different_password"), null, JOptionPane.PLAIN_MESSAGE);
return;
}
boolean pswEqual = true;
// prevent timing attacks:
for (int i = 0; i < pswInputChars.length; i++) {
if (pswInputChars[i] != pswInputChars2[i]) {
pswEqual = false;
}
}
if (pswEqual == false) {
JOptionPane.showMessageDialog(
null, languageBundle.getString("different_password"), null, JOptionPane.PLAIN_MESSAGE);
return;
}
int inputLength = pswInputChars.length;
Arrays.fill(pswInputChars2, '\0');
// Warning for insecure password
if ((inputLength == 0) && (MainView.isBlankPea() == false)) {
// allow null-passwords with warning
JOptionPane.showMessageDialog(
frame,
languageBundle.getString("no_password_warning"),
"Warning",
JOptionPane.WARNING_MESSAGE);
pswInputChars = "no password".toCharArray();
} else if (inputLength < 12 && MainView.isBlankPea() == false) {
JOptionPane.showMessageDialog(
null,
languageBundle.getString("short_password_warning"),
null,
JOptionPane.PLAIN_MESSAGE);
}
// =============
// derive key:
//
byte[] keyMaterial = null;
if (MainView.isBlankPea() == false) { // if true: no need to derive key
keyMaterial = PswDialogBase.deriveKeyFromPsw(pswInputChars);
if (keyMaterial == null) {
JOptionPane.showMessageDialog(
frame,
languageBundle.getString("program_bug") + ": \n (keyMaterial is null)",
"Error",
JOptionPane.ERROR_MESSAGE);
return;
}
}
MainView.progressBar.setValue(35);
MainView.progressBar.paint(MainView.progressBar.getGraphics());
// =================
// generate jar file:
//
// long start = System.currentTimeMillis(); // Startpunkt
new JarStuff().generateJarFile(keyMaterial);
// System.out.println("generateJarFile - Zeit in ms: \n" + (System.currentTimeMillis() -
// start));//Messpunkt
String fileOrDirectory =
(MainView.getOpenedFileName() == null)
? languageBundle.getString("directory")
: languageBundle.getString("file");
if (MainView.isBlankPea() == true) {
fileOrDirectory = languageBundle.getString("directory"); // for all peas
}
if (DataType.getCurrentType() instanceof FileType) {
fileOrDirectory = languageBundle.getString("file");
}
String peaFileName =
JarStuff.getJarFileName()
.substring(0, (JarStuff.getJarFileName().length() - 4)); // extract ".jar"
String peaPath = System.getProperty("user.dir") + File.separator + "peas";
// show informations about created pea:
int input =
JOptionPane.showConfirmDialog(
frame,
languageBundle.getString("new_pea_info")
+ "\n"
+ DataType.getCurrentType().getDescription()
+ "\n\n"
+ languageBundle.getString("new_pea_type_info")
+ " "
+ fileOrDirectory
+ " \n "
+ " - "
+ peaFileName
+ " -\n"
+ languageBundle.getString("new_pea_location_info")
+ "\n "
+ " "
+ peaPath
+ "\n\n"
+ languageBundle.getString("open_directory")
+ "\n ",
"Pea info",
JOptionPane.YES_NO_OPTION);
if (input == JOptionPane.YES_OPTION) { // 0
String error = OperatingSystemStuff.openFileManager(peaPath);
if (error != null) {
JOptionPane.showMessageDialog(
frame,
languageBundle.getString("desktop_error") + "\n\n " + error,
languageBundle.getString("error"),
JOptionPane.ERROR_MESSAGE);
}
} else { // do not open folder peas:
//
}
}
