session-android/src/org/thoughtcrime/securesms/PassphrasePromptActivity.java
Moxie Marlinspike b8f663b69c Move common crypto classes into TextSecureLibrary.
1) Move all the crypto classes from securesms.crypto.

2) Move all the crypto storage from securesms.database.keys

3) Replace the old imported BC code with spongycastle.
2014-01-06 14:35:51 -08:00

81 lines
2.6 KiB
Java

/**
* Copyright (C) 2011 Whisper Systems
*
* 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 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import org.thoughtcrime.securesms.crypto.InvalidPassphraseException;
import org.whispersystems.textsecure.crypto.MasterSecret;
import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
import org.thoughtcrime.securesms.util.MemoryCleaner;
/**
* Activity that prompts for a users's passphrase.
*
* @author Moxie Marlinspike
*/
public class PassphrasePromptActivity extends PassphraseActivity {
private EditText passphraseText;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.prompt_passphrase_activity);
initializeResources();
}
private void initializeResources() {
Button okButton = (Button) findViewById(R.id.ok_button);
passphraseText = (EditText)findViewById(R.id.passphrase_edit);
okButton.setOnClickListener(new OkButtonClickListener());
}
private class OkButtonClickListener implements OnClickListener {
@Override
public void onClick(View v) {
try {
Editable text = passphraseText.getText();
String passphrase = (text == null ? "" : text.toString());
MasterSecret masterSecret = MasterSecretUtil.getMasterSecret(PassphrasePromptActivity.this, passphrase);
MemoryCleaner.clean(passphrase);
setMasterSecret(masterSecret);
} catch (InvalidPassphraseException ipe) {
passphraseText.setText("");
Toast.makeText(getApplicationContext(),
R.string.PassphrasePromptActivity_invalid_passphrase_exclamation,
Toast.LENGTH_SHORT).show();
}
}
}
@Override
protected void cleanup() {
this.passphraseText.setText("");
System.gc();
}
}