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-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java113
-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java142
-rw-r--r--src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java13
-rw-r--r--src/main/java/eu/siacs/conversations/generator/MessageGenerator.java2
-rw-r--r--src/main/java/eu/siacs/conversations/parser/MessageParser.java4
-rw-r--r--src/main/java/eu/siacs/conversations/services/XmppConnectionService.java2
-rw-r--r--src/main/java/eu/siacs/conversations/ui/ConversationActivity.java2
7 files changed, 121 insertions, 157 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 4cc61b37..4cb1c90c 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java
@@ -256,7 +256,7 @@ public class AxolotlService {
for (Integer deviceId : deviceIds) {
AxolotlAddress ownDeviceAddress = new AxolotlAddress(jid.toBareJid().toString(), deviceId);
if (sessions.get(ownDeviceAddress) == null) {
- buildSessionFromPEP(null, ownDeviceAddress, false);
+ buildSessionFromPEP(ownDeviceAddress);
}
}
}
@@ -422,7 +422,7 @@ public class AxolotlService {
axolotlStore.setFingerprintTrust(fingerprint, trust);
}
- private void buildSessionFromPEP(final Conversation conversation, final AxolotlAddress address, final boolean flushWaitingQueueAfterFetch) {
+ private void buildSessionFromPEP(final AxolotlAddress address) {
Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Building new sesstion for " + address.getDeviceId());
try {
@@ -434,15 +434,6 @@ public class AxolotlService {
AxolotlAddress ownAddress = new AxolotlAddress(account.getJid().toBareJid().toString(), 0);
if (!fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.PENDING)
&& !fetchStatusMap.getAll(address).containsValue(FetchStatus.PENDING)) {
- if (flushWaitingQueueAfterFetch && conversation != null) {
- conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_AXOLOTL,
- new Conversation.OnMessageFound() {
- @Override
- public void onMessageFound(Message message) {
- processSending(message, false);
- }
- });
- }
mXmppConnectionService.keyStatusUpdated();
}
}
@@ -537,7 +528,7 @@ public class AxolotlService {
return addresses;
}
- public boolean createSessionsIfNeeded(final Conversation conversation, final boolean flushWaitingQueueAfterFetch) {
+ public boolean createSessionsIfNeeded(final Conversation conversation) {
Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Creating axolotl sessions if needed...");
boolean newSessions = false;
Set<AxolotlAddress> addresses = findDevicesWithoutSession(conversation);
@@ -546,7 +537,9 @@ public class AxolotlService {
FetchStatus status = fetchStatusMap.get(address);
if (status == null || status == FetchStatus.ERROR) {
fetchStatusMap.put(address, FetchStatus.PENDING);
- this.buildSessionFromPEP(conversation, address, flushWaitingQueueAfterFetch);
+ this.buildSessionFromPEP(address);
+ newSessions = true;
+ } else if (status == FetchStatus.PENDING) {
newSessions = true;
} else {
Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Already fetching bundle for " + address.toString());
@@ -565,40 +558,52 @@ public class AxolotlService {
}
@Nullable
- public XmppAxolotlMessage encrypt(Message message) {
- final String content;
- if (message.hasFileOnRemoteHost()) {
- content = message.getFileParams().url.toString();
- } else {
- content = message.getBody();
- }
- final XmppAxolotlMessage axolotlMessage;
- try {
- axolotlMessage = new XmppAxolotlMessage(message.getContact().getJid().toBareJid(),
- getOwnDeviceId(), content);
- } catch (CryptoFailedException e) {
- Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to encrypt message: " + e.getMessage());
- return null;
- }
+ private XmppAxolotlMessage buildHeader(Contact contact) {
+ final XmppAxolotlMessage axolotlMessage = new XmppAxolotlMessage(
+ contact.getJid().toBareJid(), getOwnDeviceId());
- if (findSessionsforContact(message.getContact()).isEmpty()) {
+ Set<XmppAxolotlSession> contactSessions = findSessionsforContact(contact);
+ Set<XmppAxolotlSession> ownSessions = findOwnSessions();
+ if (contactSessions.isEmpty()) {
return null;
}
Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Building axolotl foreign keyElements...");
- for (XmppAxolotlSession session : findSessionsforContact(message.getContact())) {
+ for (XmppAxolotlSession session : contactSessions) {
Log.v(Config.LOGTAG, AxolotlService.getLogprefix(account) + session.getRemoteAddress().toString());
- axolotlMessage.addKeyElement(session.processSending(axolotlMessage.getInnerKey()));
+ axolotlMessage.addDevice(session);
}
Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Building axolotl own keyElements...");
- for (XmppAxolotlSession session : findOwnSessions()) {
+ for (XmppAxolotlSession session : ownSessions) {
Log.v(Config.LOGTAG, AxolotlService.getLogprefix(account) + session.getRemoteAddress().toString());
- axolotlMessage.addKeyElement(session.processSending(axolotlMessage.getInnerKey()));
+ axolotlMessage.addDevice(session);
+ }
+
+ return axolotlMessage;
+ }
+
+ @Nullable
+ public XmppAxolotlMessage encrypt(Message message) {
+ XmppAxolotlMessage axolotlMessage = buildHeader(message.getContact());
+
+ if (axolotlMessage != null) {
+ final String content;
+ if (message.hasFileOnRemoteHost()) {
+ content = message.getFileParams().url.toString();
+ } else {
+ content = message.getBody();
+ }
+ try {
+ axolotlMessage.encrypt(content);
+ } catch (CryptoFailedException e) {
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to encrypt message: " + e.getMessage());
+ return null;
+ }
}
return axolotlMessage;
}
- private void processSending(final Message message, final boolean delay) {
+ public void preparePayloadMessage(final Message message, final boolean delay) {
executor.execute(new Runnable() {
@Override
public void run() {
@@ -615,13 +620,14 @@ public class AxolotlService {
});
}
- public void prepareMessage(final Message message, final boolean delay) {
- if (!messageCache.containsKey(message.getUuid())) {
- boolean newSessions = createSessionsIfNeeded(message.getConversation(), true);
- if (!newSessions) {
- this.processSending(message, delay);
+ public void prepareKeyTransportMessage(final Contact contact, final OnMessageCreatedCallback onMessageCreatedCallback) {
+ executor.execute(new Runnable() {
+ @Override
+ public void run() {
+ XmppAxolotlMessage axolotlMessage = buildHeader(contact);
+ onMessageCreatedCallback.run(axolotlMessage);
}
- }
+ });
}
public XmppAxolotlMessage fetchAxolotlMessageFromCache(Message message) {
@@ -653,26 +659,15 @@ public class AxolotlService {
newSession = true;
}
- for (XmppAxolotlMessage.XmppAxolotlKeyElement keyElement : message.getKeyElements()) {
- if (keyElement.getRecipientDeviceId() == getOwnDeviceId()) {
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Found axolotl keyElement matching own device ID, processing...");
- byte[] payloadKey = session.processReceiving(keyElement);
- if (payloadKey != null) {
- Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Got payload key from axolotl keyElement. Decrypting message...");
- try {
- plaintextMessage = message.decrypt(session, payloadKey, session.getFingerprint());
- } catch (CryptoFailedException e) {
- Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to decrypt message: " + e.getMessage());
- break;
- }
- }
- Integer preKeyId = session.getPreKeyId();
- if (preKeyId != null) {
- publishBundlesIfNeeded();
- session.resetPreKeyId();
- }
- break;
+ try {
+ plaintextMessage = message.decrypt(session, getOwnDeviceId());
+ Integer preKeyId = session.getPreKeyId();
+ if (preKeyId != null) {
+ publishBundlesIfNeeded();
+ session.resetPreKeyId();
}
+ } catch (CryptoFailedException e) {
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to decrypt message: " + e.getMessage());
}
if (newSession && plaintextMessage != null) {
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
index 4e954a72..fa6d895a 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlMessage.java
@@ -1,6 +1,5 @@
package eu.siacs.conversations.crypto.axolotl;
-import android.support.annotation.Nullable;
import android.util.Base64;
import android.util.Log;
@@ -9,8 +8,9 @@ import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
@@ -26,9 +26,11 @@ import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.jid.Jid;
public class XmppAxolotlMessage {
- public static final String TAGNAME = "encrypted";
+ public static final String CONTAINERTAG = "encrypted";
public static final String HEADER = "header";
public static final String SOURCEID = "sid";
+ public static final String KEYTAG = "key";
+ public static final String REMOTEID = "rid";
public static final String IVTAG = "iv";
public static final String PAYLOAD = "payload";
@@ -39,54 +41,15 @@ public class XmppAxolotlMessage {
private byte[] innerKey;
private byte[] ciphertext = null;
private byte[] iv = null;
- private final Set<XmppAxolotlKeyElement> keyElements;
+ private final Map<Integer, byte[]> keys;
private final Jid from;
private final int sourceDeviceId;
- public static class XmppAxolotlKeyElement {
- public static final String TAGNAME = "key";
- public static final String REMOTEID = "rid";
-
- private final int recipientDeviceId;
- private final byte[] content;
-
- public XmppAxolotlKeyElement(int deviceId, byte[] content) {
- this.recipientDeviceId = deviceId;
- this.content = content;
- }
-
- public XmppAxolotlKeyElement(Element keyElement) {
- if (TAGNAME.equals(keyElement.getName())) {
- this.recipientDeviceId = Integer.parseInt(keyElement.getAttribute(REMOTEID));
- this.content = Base64.decode(keyElement.getContent(), Base64.DEFAULT);
- } else {
- throw new IllegalArgumentException("Argument not a <" + TAGNAME + "> Element!");
- }
- }
-
- public int getRecipientDeviceId() {
- return recipientDeviceId;
- }
-
- public byte[] getContents() {
- return content;
- }
-
- public Element toXml() {
- Element keyElement = new Element(TAGNAME);
- keyElement.setAttribute(REMOTEID, getRecipientDeviceId());
- keyElement.setContent(Base64.encodeToString(getContents(), Base64.DEFAULT));
- return keyElement;
- }
- }
-
public static class XmppAxolotlPlaintextMessage {
- private final XmppAxolotlSession session;
private final String plaintext;
private final String fingerprint;
- public XmppAxolotlPlaintextMessage(XmppAxolotlSession session, String plaintext, String fingerprint) {
- this.session = session;
+ public XmppAxolotlPlaintextMessage(String plaintext, String fingerprint) {
this.plaintext = plaintext;
this.fingerprint = fingerprint;
}
@@ -95,24 +58,28 @@ public class XmppAxolotlMessage {
return plaintext;
}
- public XmppAxolotlSession getSession() {
- return session;
- }
public String getFingerprint() {
return fingerprint;
}
}
- public XmppAxolotlMessage(Jid from, Element axolotlMessage) throws IllegalArgumentException {
+ private XmppAxolotlMessage(final Element axolotlMessage, final Jid from) throws IllegalArgumentException {
this.from = from;
Element header = axolotlMessage.findChild(HEADER);
this.sourceDeviceId = Integer.parseInt(header.getAttribute(SOURCEID));
- this.keyElements = new HashSet<>();
- for (Element keyElement : header.getChildren()) {
+ List<Element> keyElements = header.getChildren();
+ this.keys = new HashMap<>(keyElements.size());
+ for (Element keyElement : keyElements) {
switch (keyElement.getName()) {
- case XmppAxolotlKeyElement.TAGNAME:
- keyElements.add(new XmppAxolotlKeyElement(keyElement));
+ case KEYTAG:
+ try {
+ Integer recipientId = Integer.parseInt(keyElement.getAttribute(REMOTEID));
+ byte[] key = Base64.decode(keyElement.getContent(), Base64.DEFAULT);
+ this.keys.put(recipientId, key);
+ } catch (NumberFormatException e) {
+ throw new IllegalArgumentException(e);
+ }
break;
case IVTAG:
if (this.iv != null) {
@@ -134,14 +101,13 @@ public class XmppAxolotlMessage {
public XmppAxolotlMessage(Jid from, int sourceDeviceId) {
this.from = from;
this.sourceDeviceId = sourceDeviceId;
- this.keyElements = new HashSet<>();
+ this.keys = new HashMap<>();
this.iv = generateIv();
this.innerKey = generateKey();
}
- public XmppAxolotlMessage(Jid from, int sourceDeviceId, String plaintext) throws CryptoFailedException {
- this(from, sourceDeviceId);
- this.encrypt(plaintext);
+ public static XmppAxolotlMessage fromElement(Element element, Jid from) {
+ return new XmppAxolotlMessage(element, from);
}
private static byte[] generateKey() {
@@ -162,7 +128,7 @@ public class XmppAxolotlMessage {
return iv;
}
- private void encrypt(String plaintext) throws CryptoFailedException {
+ public void encrypt(String plaintext) throws CryptoFailedException {
try {
SecretKey secretKey = new SecretKeySpec(innerKey, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
@@ -189,13 +155,10 @@ public class XmppAxolotlMessage {
return ciphertext;
}
- public Set<XmppAxolotlKeyElement> getKeyElements() {
- return keyElements;
- }
-
- public void addKeyElement(@Nullable XmppAxolotlKeyElement keyElement) {
- if (keyElement != null) {
- keyElements.add(keyElement);
+ public void addDevice(XmppAxolotlSession session) {
+ byte[] key = session.processSending(innerKey);
+ if (key != null) {
+ keys.put(session.getRemoteAddress().getDeviceId(), key);
}
}
@@ -207,12 +170,15 @@ public class XmppAxolotlMessage {
return this.iv;
}
- public Element toXml() {
- Element encryptionElement = new Element(TAGNAME, AxolotlService.PEP_PREFIX);
+ public Element toElement() {
+ Element encryptionElement = new Element(CONTAINERTAG, AxolotlService.PEP_PREFIX);
Element headerElement = encryptionElement.addChild(HEADER);
headerElement.setAttribute(SOURCEID, sourceDeviceId);
- for (XmppAxolotlKeyElement header : keyElements) {
- headerElement.addChild(header.toXml());
+ for (Map.Entry<Integer, byte[]> keyEntry : keys.entrySet()) {
+ Element keyElement = new Element(KEYTAG);
+ keyElement.setAttribute(REMOTEID, keyEntry.getKey());
+ keyElement.setContent(Base64.encodeToString(keyEntry.getValue(), Base64.DEFAULT));
+ headerElement.addChild(keyElement);
}
headerElement.addChild(IVTAG).setContent(Base64.encodeToString(iv, Base64.DEFAULT));
if (ciphertext != null) {
@@ -222,24 +188,30 @@ public class XmppAxolotlMessage {
return encryptionElement;
}
+ public byte[] unpackKey(XmppAxolotlSession session, Integer sourceDeviceId) {
+ byte[] encryptedKey = keys.get(sourceDeviceId);
+ return (encryptedKey != null) ? session.processReceiving(encryptedKey) : null;
+ }
- public XmppAxolotlPlaintextMessage decrypt(XmppAxolotlSession session, byte[] key, String fingerprint) throws CryptoFailedException {
+ public XmppAxolotlPlaintextMessage decrypt(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
XmppAxolotlPlaintextMessage plaintextMessage = null;
- try {
-
- Cipher cipher = Cipher.getInstance(CIPHERMODE, PROVIDER);
- SecretKeySpec keySpec = new SecretKeySpec(key, KEYTYPE);
- IvParameterSpec ivSpec = new IvParameterSpec(iv);
-
- cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
-
- String plaintext = new String(cipher.doFinal(ciphertext));
- plaintextMessage = new XmppAxolotlPlaintextMessage(session, plaintext, fingerprint);
-
- } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
- | InvalidAlgorithmParameterException | IllegalBlockSizeException
- | BadPaddingException | NoSuchProviderException e) {
- throw new CryptoFailedException(e);
+ byte[] key = unpackKey(session, sourceDeviceId);
+ if (key != null) {
+ try {
+ Cipher cipher = Cipher.getInstance(CIPHERMODE, PROVIDER);
+ SecretKeySpec keySpec = new SecretKeySpec(key, KEYTYPE);
+ IvParameterSpec ivSpec = new IvParameterSpec(iv);
+
+ cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
+
+ String plaintext = new String(cipher.doFinal(ciphertext));
+ plaintextMessage = new XmppAxolotlPlaintextMessage(plaintext, session.getFingerprint());
+
+ } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
+ | InvalidAlgorithmParameterException | IllegalBlockSizeException
+ | BadPaddingException | NoSuchProviderException e) {
+ throw new CryptoFailedException(e);
+ }
}
return plaintextMessage;
}
diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java
index d60e7715..6ed73da6 100644
--- a/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/XmppAxolotlSession.java
@@ -69,7 +69,7 @@ public class XmppAxolotlSession {
}
@Nullable
- public byte[] processReceiving(XmppAxolotlMessage.XmppAxolotlKeyElement incomingHeader) {
+ public byte[] processReceiving(byte[] encryptedKey) {
byte[] plaintext = null;
SQLiteAxolotlStore.Trust trust = getTrust();
switch (trust) {
@@ -79,7 +79,7 @@ public class XmppAxolotlSession {
case TRUSTED:
try {
try {
- PreKeyWhisperMessage message = new PreKeyWhisperMessage(incomingHeader.getContents());
+ PreKeyWhisperMessage message = new PreKeyWhisperMessage(encryptedKey);
Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "PreKeyWhisperMessage received, new session ID:" + message.getSignedPreKeyId() + "/" + message.getPreKeyId());
String fingerprint = message.getIdentityKey().getFingerprint().replaceAll("\\s", "");
if (this.fingerprint != null && !this.fingerprint.equals(fingerprint)) {
@@ -93,7 +93,7 @@ public class XmppAxolotlSession {
}
} catch (InvalidMessageException | InvalidVersionException e) {
Log.i(Config.LOGTAG, AxolotlService.getLogprefix(account) + "WhisperMessage received");
- WhisperMessage message = new WhisperMessage(incomingHeader.getContents());
+ WhisperMessage message = new WhisperMessage(encryptedKey);
plaintext = cipher.decrypt(message);
} catch (InvalidKeyException | InvalidKeyIdException | UntrustedIdentityException e) {
Log.w(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Error decrypting axolotl header, " + e.getClass().getName() + ": " + e.getMessage());
@@ -117,14 +117,11 @@ public class XmppAxolotlSession {
}
@Nullable
- public XmppAxolotlMessage.XmppAxolotlKeyElement processSending(@NonNull byte[] outgoingMessage) {
+ public byte[] processSending(@NonNull byte[] outgoingMessage) {
SQLiteAxolotlStore.Trust trust = getTrust();
if (trust == SQLiteAxolotlStore.Trust.TRUSTED) {
CiphertextMessage ciphertextMessage = cipher.encrypt(outgoingMessage);
- XmppAxolotlMessage.XmppAxolotlKeyElement header =
- new XmppAxolotlMessage.XmppAxolotlKeyElement(remoteAddress.getDeviceId(),
- ciphertextMessage.serialize());
- return header;
+ return ciphertextMessage.serialize();
} else {
return null;
}
diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
index 04591672..a06a0ddd 100644
--- a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
@@ -63,7 +63,7 @@ public class MessageGenerator extends AbstractGenerator {
if (axolotlMessage == null) {
return null;
}
- packet.setAxolotlMessage(axolotlMessage.toXml());
+ packet.setAxolotlMessage(axolotlMessage.toElement());
return packet;
}
diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index 47c320f3..a53e3a50 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -99,7 +99,7 @@ public class MessageParser extends AbstractParser implements
private Message parseAxolotlChat(Element axolotlMessage, Jid from, String id, Conversation conversation, int status) {
Message finishedMessage = null;
AxolotlService service = conversation.getAccount().getAxolotlService();
- XmppAxolotlMessage xmppAxolotlMessage = new XmppAxolotlMessage(from.toBareJid(), axolotlMessage);
+ XmppAxolotlMessage xmppAxolotlMessage = XmppAxolotlMessage.fromElement(axolotlMessage, from.toBareJid());
XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = service.processReceiving(xmppAxolotlMessage);
if(plaintextMessage != null) {
finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);
@@ -272,7 +272,7 @@ public class MessageParser extends AbstractParser implements
final String body = packet.getBody();
final Element mucUserElement = packet.findChild("x", "http://jabber.org/protocol/muc#user");
final String pgpEncrypted = packet.findChildContent("x", "jabber:x:encrypted");
- final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.TAGNAME, AxolotlService.PEP_PREFIX);
+ final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
int status;
final Jid counterpart;
final Jid to = packet.getTo();
diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
index 13b81090..61453ab0 100644
--- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
@@ -764,7 +764,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
} else {
XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
if (axolotlMessage == null) {
- account.getAxolotlService().prepareMessage(message,delay);
+ account.getAxolotlService().preparePayloadMessage(message, delay);
message.setAxolotlFingerprint(account.getAxolotlService().getOwnPublicKey().getFingerprint().replaceAll("\\s", ""));
} else {
packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
index daf22122..f34e1a55 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
@@ -1265,7 +1265,7 @@ public class ConversationActivity extends XmppActivity
|| !axolotlService.findDevicesWithoutSession(mSelectedConversation).isEmpty();
boolean hasNoTrustedKeys = axolotlService.getNumTrustedKeys(mSelectedConversation.getContact()) == 0;
if( hasPendingKeys || hasNoTrustedKeys) {
- axolotlService.createSessionsIfNeeded(mSelectedConversation, false);
+ axolotlService.createSessionsIfNeeded(mSelectedConversation);
Intent intent = new Intent(getApplicationContext(), TrustKeysActivity.class);
intent.putExtra("contact", mSelectedConversation.getContact().getJid().toBareJid().toString());
intent.putExtra("account", mSelectedConversation.getAccount().getJid().toBareJid().toString());