session-android/src/org/thoughtcrime/securesms/PassphraseActivity.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

73 lines
2.4 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.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import org.whispersystems.textsecure.crypto.MasterSecret;
import org.thoughtcrime.securesms.service.KeyCachingService;
import org.thoughtcrime.securesms.util.MemoryCleaner;
import com.actionbarsherlock.app.SherlockActivity;
/**
* Base Activity for changing/prompting local encryption passphrase.
*
* @author Moxie Marlinspike
*/
public abstract class PassphraseActivity extends SherlockActivity {
private KeyCachingService keyCachingService;
private MasterSecret masterSecret;
protected void setMasterSecret(MasterSecret masterSecret) {
this.masterSecret = masterSecret;
Intent bindIntent = new Intent(this, KeyCachingService.class);
bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
}
protected MasterSecret getMasterSecret() {
return masterSecret;
}
protected abstract void cleanup();
private ServiceConnection serviceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName className, IBinder service) {
keyCachingService = ((KeyCachingService.KeyCachingBinder)service).getService();
keyCachingService.setMasterSecret(masterSecret);
PassphraseActivity.this.unbindService(PassphraseActivity.this.serviceConnection);
MemoryCleaner.clean(masterSecret);
cleanup();
PassphraseActivity.this.setResult(RESULT_OK);
PassphraseActivity.this.finish();
}
@Override
public void onServiceDisconnected(ComponentName name) {
keyCachingService = null;
}
};
}