We need to force plaintext on key exchange messages.

src/org/thoughtcrime/securesms/crypto/KeyExchangeInitiator.java

@@ -58,7 +58,7 @@ public class KeyExchangeInitiator {
     LinkedList<Recipient> list = new LinkedList<Recipient>();
     list.add(recipient);
 
-    MessageSender.send(context, masterSecret, new Recipients(list), -1, message.serialize(), false);
+    MessageSender.send(context, masterSecret, new Recipients(list), -1, message.serialize(), true);
   }
 
   private static boolean hasInitiatedSession(Context context, MasterSecret masterSecret, Recipient recipient) {

src/org/thoughtcrime/securesms/crypto/KeyExchangeProcessor.java

@@ -16,8 +16,9 @@
  */
 package org.thoughtcrime.securesms.crypto;
 
-import java.util.LinkedList;
+import android.content.Context;
-import java.util.List;
+import android.content.Intent;
+import android.util.Log;
 
 import org.bouncycastle.util.Arrays;
 import org.thoughtcrime.securesms.database.LocalKeyRecord;
@@ -30,9 +31,8 @@ import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.util.Conversions;
 
-import android.content.Context;
+import java.util.LinkedList;
-import android.content.Intent;
+import java.util.List;
-import android.util.Log;
 
 /**
  * This class processes key exchange interactions.
@@ -110,7 +110,7 @@ public class KeyExchangeProcessor {
       KeyExchangeMessage ourMessage = new KeyExchangeMessage(context, masterSecret, Math.min(Message.SUPPORTED_VERSION, message.getMaxVersion()), localKeyRecord, initiateKeyId);
       Log.w("KeyExchangeProcessor", "Responding with key exchange message fingerprint: " + ourMessage.getPublicKey().getFingerprint());
       Log.w("KeyExchangeProcessor", "Which has a local key record fingerprint: " + localKeyRecord.getCurrentKeyPair().getPublicKey().getFingerprint());
-      MessageSender.send(context, masterSecret, new Recipients(recipients), threadId, ourMessage.serialize(), false);
+      MessageSender.send(context, masterSecret, new Recipients(recipients), threadId, ourMessage.serialize(), true);
     }
 
     remoteKeyRecord.setCurrentRemoteKey(message.getPublicKey());