/** @return */
private boolean checkUserPassword(String password) {
if (dbHelper == null) {
// not sure what can cause this condition, but a NPE has been observed
return false;
}
String encryptedMasterKey = dbHelper.fetchMasterKey();
String decryptedMasterKey = "";
if (debug) Log.d(TAG, "checkUserPassword: encryptedMasterKey=" + encryptedMasterKey);
try {
ch.init(CryptoHelper.EncryptionStrong, dbSalt);
ch.setPassword(password);
decryptedMasterKey = ch.decrypt(encryptedMasterKey);
if (debug) Log.d(TAG, "decryptedMasterKey=" + decryptedMasterKey);
} catch (CryptoHelperException e) {
Log.e(TAG, e.toString());
}
if (ch.getStatus() == true) {
dbMasterKey = decryptedMasterKey;
return true;
}
return false;
}
/** Called when the activity is first created. */
@SuppressLint("ShowToast")
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mDistribution.setFirst(MENU_DISTRIBUTION_START, DIALOG_DISTRIBUTION_START);
// Check whether EULA has been accepted
// or information about new version can be presented.
if (mDistribution.showEulaOrNewVersion()) {
return;
}
if (debug) Log.d(TAG, "onCreate(" + icicle + ")");
dbHelper = new DBHelper(this);
if (dbHelper.isDatabaseOpen() == false) {
Dialog dbError =
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle(R.string.database_error_title)
.setPositiveButton(
android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
finish();
}
})
.setMessage(R.string.database_error_msg)
.create();
dbError.show();
return;
}
ch = new CryptoHelper();
if (dbHelper.needsUpgrade()) {
switch (dbHelper.fetchVersion()) {
case 2:
databaseVersionError();
}
}
dbSalt = dbHelper.fetchSalt();
dbMasterKey = dbHelper.fetchMasterKey();
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
boolean prefKeypad = sp.getBoolean(Preferences.PREFERENCE_KEYPAD, false);
boolean prefKeypadMute = sp.getBoolean(Preferences.PREFERENCE_KEYPAD_MUTE, false);
mute = prefKeypadMute;
if (prefKeypad) {
viewMode = VIEW_KEYPAD;
}
if (dbMasterKey.length() == 0) {
firstTime = true;
}
if ((viewMode == VIEW_NORMAL) || (firstTime)) {
normalInit();
} else {
keypadInit();
}
blankPasswordToast =
Toast.makeText(AskPassword.this, R.string.notify_blank_pass, Toast.LENGTH_SHORT);
invalidPasswordToast =
Toast.makeText(AskPassword.this, R.string.invalid_password, Toast.LENGTH_SHORT);
confirmPasswordFailToast =
Toast.makeText(AskPassword.this, R.string.confirm_pass_fail, Toast.LENGTH_SHORT);
}