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.
130 lines
4 KiB
Java
130 lines
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.Bundle;
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import android.widget.TextView;
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import org.whispersystems.textsecure.crypto.MasterSecret;
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import org.whispersystems.textsecure.crypto.SerializableKey;
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import org.whispersystems.textsecure.storage.SessionRecord;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.whispersystems.textsecure.util.Hex;
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import org.thoughtcrime.securesms.util.MemoryCleaner;
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/**
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* Activity for verifying session keys.
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*
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* @author Moxie Marlinspike
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*
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*/
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public class VerifyKeysActivity extends KeyScanningActivity {
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private byte[] yourFingerprintBytes;
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private byte[] theirFingerprintBytes;
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private TextView yourFingerprint;
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private TextView theirFingerprint;
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private Recipient recipient;
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private MasterSecret masterSecret;
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@Override
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protected void onCreate(Bundle state) {
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super.onCreate(state);
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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setContentView(R.layout.verify_keys_activity);
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initializeResources();
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initializeFingerprints();
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}
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@Override
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protected void onDestroy() {
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MemoryCleaner.clean(masterSecret);
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super.onDestroy();
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}
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private void initializeResources() {
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this.recipient = (Recipient)this.getIntent().getParcelableExtra("recipient");
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this.masterSecret = (MasterSecret)this.getIntent().getParcelableExtra("master_secret");
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this.yourFingerprint = (TextView)findViewById(R.id.you_read);
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this.theirFingerprint = (TextView)findViewById(R.id.friend_reads);
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}
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private void initializeFingerprints() {
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SessionRecord session = new SessionRecord(this, masterSecret, recipient);
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this.yourFingerprintBytes = session.getLocalFingerprint();
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this.theirFingerprintBytes = session.getRemoteFingerprint();
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this.yourFingerprint.setText(Hex.toString(yourFingerprintBytes));
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this.theirFingerprint.setText(Hex.toString(theirFingerprintBytes));
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}
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@Override
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protected String getDisplayString() {
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return getString(R.string.VerifyKeysActivity_get_my_fingerprint_scanned);
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}
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@Override
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protected String getScanString() {
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return getString(R.string.VerifyKeysActivity_scan_their_fingerprint);
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}
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@Override
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protected SerializableKey getIdentityKeyToCompare() {
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return new FingerprintKey(theirFingerprintBytes);
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}
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@Override
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protected SerializableKey getIdentityKeyToDisplay() {
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return new FingerprintKey(yourFingerprintBytes);
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}
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@Override
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protected String getNotVerifiedMessage() {
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return getString(R.string.VerifyKeysActivity_warning_the_scanned_key_does_not_match_please_check_the_fingerprint_text_carefully2);
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}
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@Override
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protected String getNotVerifiedTitle() {
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return getString(R.string.VerifyKeysActivity_not_verified_exclamation);
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}
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@Override
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protected String getVerifiedMessage() {
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return getString(R.string.VerifyKeysActivity_their_key_is_correct_it_is_also_necessary_to_get_your_fingerprint_scanned_as_well);
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}
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@Override
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protected String getVerifiedTitle() {
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return getString(R.string.VerifyKeysActivity_verified_exclamation);
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}
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private class FingerprintKey implements SerializableKey {
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private final byte[] fingerprint;
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public FingerprintKey(byte[] fingerprint) {
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this.fingerprint = fingerprint;
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}
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public byte[] serialize() {
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return fingerprint;
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}
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}
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}
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