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-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java105
1 files changed, 82 insertions, 23 deletions
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
index 4319efb0a..2c50778aa 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
@@ -1,5 +1,7 @@
package eu.siacs.conversations.crypto.axolotl;
+import android.security.KeyChain;
+import android.security.KeyChainException;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;
@@ -18,7 +20,12 @@ import org.whispersystems.libaxolotl.state.PreKeyRecord;
import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
import org.whispersystems.libaxolotl.util.KeyHelper;
+import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
import java.security.Security;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
@@ -46,6 +53,7 @@ public class AxolotlService {
public static final String PEP_PREFIX = "eu.siacs.conversations.axolotl";
public static final String PEP_DEVICE_LIST = PEP_PREFIX + ".devicelist";
public static final String PEP_BUNDLES = PEP_PREFIX + ".bundles";
+ public static final String PEP_VERIFICATION = PEP_PREFIX + ".verification";
public static final String LOGPREFIX = "AxolotlService";
@@ -242,11 +250,11 @@ public class AxolotlService {
return this.pepBroken;
}
- public void regenerateKeys() {
+ public void regenerateKeys(boolean wipeOther) {
axolotlStore.regenerate();
sessions.clear();
fetchStatusMap.clear();
- publishBundlesIfNeeded(true);
+ publishBundlesIfNeeded(true, wipeOther);
}
public int getOwnDeviceId() {
@@ -380,7 +388,43 @@ public class AxolotlService {
}
}
- public void publishBundlesIfNeeded(final boolean announceAfter) {
+ public void publishDeviceVerificationAndBundle(final SignedPreKeyRecord signedPreKeyRecord,
+ final Set<PreKeyRecord> preKeyRecords,
+ final boolean announceAfter,
+ final boolean wipe) {
+ try {
+ IdentityKey axolotlPublicKey = axolotlStore.getIdentityKeyPair().getPublicKey();
+ PrivateKey x509PrivateKey = KeyChain.getPrivateKey(mXmppConnectionService, account.getPrivateKeyAlias());
+ X509Certificate[] chain = KeyChain.getCertificateChain(mXmppConnectionService, account.getPrivateKeyAlias());
+ Signature verifier = Signature.getInstance("sha256WithRSA");
+ verifier.initSign(x509PrivateKey,mXmppConnectionService.getRNG());
+ verifier.update(axolotlPublicKey.serialize());
+ byte[] signature = verifier.sign();
+ IqPacket packet = mXmppConnectionService.getIqGenerator().publishVerification(signature, chain, getOwnDeviceId());
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + ": publish verification for device "+getOwnDeviceId());
+ Log.d(Config.LOGTAG,"verification : "+packet.toString());
+ mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ publishDeviceBundle(signedPreKeyRecord, preKeyRecords, announceAfter, wipe);
+ }
+ });
+ } catch (KeyChainException e) {
+ e.printStackTrace();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ } catch (NoSuchAlgorithmException e) {
+ Log.d(Config.LOGTAG,"no such algo "+e.getMessage());
+ e.printStackTrace();
+ } catch (java.security.InvalidKeyException e) {
+ e.printStackTrace();
+ } catch (SignatureException e) {
+ e.printStackTrace();
+ }
+
+ }
+
+ public void publishBundlesIfNeeded(final boolean announce, final boolean wipe) {
if (pepBroken) {
Log.d(Config.LOGTAG, getLogprefix(account) + "publishBundlesIfNeeded called, but PEP is broken. Ignoring... ");
return;
@@ -470,27 +514,16 @@ public class AxolotlService {
if (changed) {
- IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles(
- signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(),
- preKeyRecords, getOwnDeviceId());
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish);
- mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
- @Override
- public void onIqPacketReceived(Account account, IqPacket packet) {
- if (packet.getType() == IqPacket.TYPE.RESULT) {
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Successfully published bundle. ");
- if (announceAfter) {
- Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
- publishOwnDeviceIdIfNeeded();
- }
- } else {
- Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing bundle: " + packet.findChild("error"));
- }
- }
- });
+ if (account.getPrivateKeyAlias() == null) {
+ publishDeviceBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
+ } else {
+ publishDeviceVerificationAndBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
+ }
} else {
Log.d(Config.LOGTAG, getLogprefix(account) + "Bundle " + getOwnDeviceId() + " in PEP was current");
- if (announceAfter) {
+ if (wipe) {
+ wipeOtherPepDevices();
+ } else if (announce) {
Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
publishOwnDeviceIdIfNeeded();
}
@@ -503,6 +536,32 @@ public class AxolotlService {
});
}
+ private void publishDeviceBundle(SignedPreKeyRecord signedPreKeyRecord,
+ Set<PreKeyRecord> preKeyRecords,
+ final boolean announceAfter,
+ final boolean wipe) {
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles(
+ signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(),
+ preKeyRecords, getOwnDeviceId());
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ if (packet.getType() == IqPacket.TYPE.RESULT) {
+ Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Successfully published bundle. ");
+ if (wipe) {
+ wipeOtherPepDevices();
+ } else if (announceAfter) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
+ publishOwnDeviceIdIfNeeded();
+ }
+ } else {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing bundle: " + packet.findChild("error"));
+ }
+ }
+ });
+ }
+
public boolean isContactAxolotlCapable(Contact contact) {
Jid jid = contact.getJid().toBareJid();
return hasAny(contact) ||
@@ -774,7 +833,7 @@ public class AxolotlService {
plaintextMessage = message.decrypt(session, getOwnDeviceId());
Integer preKeyId = session.getPreKeyId();
if (preKeyId != null) {
- publishBundlesIfNeeded(false);
+ publishBundlesIfNeeded(false, false);
session.resetPreKeyId();
}
} catch (CryptoFailedException e) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 06:10:33 +0000