mirror of
https://github.com/oxen-io/session-android.git
synced 2023-12-14 02:53:01 +01:00
b8f663b69c
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.
133 lines
4.4 KiB
Java
133 lines
4.4 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.Toast;
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import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
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import org.whispersystems.textsecure.crypto.MasterSecret;
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import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
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import org.thoughtcrime.securesms.util.MemoryCleaner;
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import org.thoughtcrime.securesms.util.VersionTracker;
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import org.whispersystems.textsecure.util.Util;
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/**
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* Activity for creating a user's local encryption passphrase.
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*
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* @author Moxie Marlinspike
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*/
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public class PassphraseCreateActivity extends PassphraseActivity {
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private LinearLayout createLayout;
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private LinearLayout progressLayout;
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private EditText passphraseEdit;
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private EditText passphraseRepeatEdit;
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private Button okButton;
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public PassphraseCreateActivity() { }
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.create_passphrase_activity);
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initializeResources();
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}
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private void initializeResources() {
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this.createLayout = (LinearLayout)findViewById(R.id.create_layout);
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this.progressLayout = (LinearLayout)findViewById(R.id.progress_layout);
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this.passphraseEdit = (EditText) findViewById(R.id.passphrase_edit);
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this.passphraseRepeatEdit = (EditText) findViewById(R.id.passphrase_edit_repeat);
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this.okButton = (Button) findViewById(R.id.ok_button);
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this.okButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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verifyAndSavePassphrases();
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}
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});
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}
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private void verifyAndSavePassphrases() {
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if (Util.isEmpty(this.passphraseEdit) || Util.isEmpty(this.passphraseRepeatEdit)) {
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Toast.makeText(this, R.string.PassphraseCreateActivity_you_must_specify_a_password, Toast.LENGTH_SHORT).show();
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return;
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}
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String passphrase = this.passphraseEdit.getText().toString();
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String passphraseRepeat = this.passphraseRepeatEdit.getText().toString();
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if (!passphrase.equals(passphraseRepeat)) {
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Toast.makeText(this, R.string.PassphraseCreateActivity_passphrases_dont_match, Toast.LENGTH_SHORT).show();
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this.passphraseEdit.setText("");
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this.passphraseRepeatEdit.setText("");
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return;
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}
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// We do this, but the edit boxes are basically impossible to clean up.
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MemoryCleaner.clean(passphraseRepeat);
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new SecretGenerator().execute(passphrase);
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}
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private class SecretGenerator extends AsyncTask<String, Void, Void> {
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private MasterSecret masterSecret;
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@Override
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protected void onPreExecute() {
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createLayout.setVisibility(View.GONE);
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progressLayout.setVisibility(View.VISIBLE);
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}
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@Override
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protected Void doInBackground(String... params) {
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String passphrase = params[0];
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masterSecret = MasterSecretUtil.generateMasterSecret(PassphraseCreateActivity.this,
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passphrase);
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// We do this, but the edit boxes are basically impossible to clean up.
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MemoryCleaner.clean(passphrase);
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MasterSecretUtil.generateAsymmetricMasterSecret(PassphraseCreateActivity.this, masterSecret);
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IdentityKeyUtil.generateIdentityKeys(PassphraseCreateActivity.this, masterSecret);
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VersionTracker.updateLastSeenVersion(PassphraseCreateActivity.this);
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return null;
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}
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@Override
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protected void onPostExecute(Void param) {
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setMasterSecret(masterSecret);
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}
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}
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@Override
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protected void cleanup() {
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this.passphraseEdit = null;
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this.passphraseRepeatEdit = null;
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System.gc();
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}
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}
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