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[GNUnet-SVN] [gnunet] branch master updated: more rename festivities


From: gnunet
Subject: [GNUnet-SVN] [gnunet] branch master updated: more rename festivities
Date: Wed, 18 Jan 2017 14:49:19 +0100

This is an automated email from the git hooks/post-receive script.

grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new e02d76e46 more rename festivities
e02d76e46 is described below

commit e02d76e46cd00724d32f81375e8981524ee6f3e2
Author: Christian Grothoff <address@hidden>
AuthorDate: Wed Jan 18 14:49:17 2017 +0100

    more rename festivities
---
 src/cadet/cadet.h                               |   4 +-
 src/cadet/cadet_api.c                           |  14 +--
 src/cadet/cadet_common.c                        |  16 +--
 src/cadet/cadet_protocol.h                      | 136 ++++++++++++++----------
 src/cadet/gnunet-service-cadet-new.c            |  10 +-
 src/cadet/gnunet-service-cadet-new_channel.c    |  24 ++---
 src/cadet/gnunet-service-cadet-new_connection.c |   2 +-
 src/cadet/gnunet-service-cadet-new_connection.h |   2 +-
 src/cadet/gnunet-service-cadet-new_core.c       |  62 +++++------
 src/cadet/gnunet-service-cadet-new_tunnels.c    |  48 ++++-----
 src/cadet/gnunet-service-cadet-new_tunnels.h    |   2 +-
 src/cadet/gnunet-service-cadet_channel.c        | 106 +++++++++---------
 src/cadet/gnunet-service-cadet_channel.h        |   6 +-
 src/cadet/gnunet-service-cadet_connection.c     |  24 ++---
 src/cadet/gnunet-service-cadet_connection.h     |   2 +-
 src/cadet/gnunet-service-cadet_local.c          |  18 ++--
 src/cadet/gnunet-service-cadet_local.h          |   2 +-
 src/cadet/gnunet-service-cadet_peer.c           |  26 ++---
 src/cadet/gnunet-service-cadet_tunnel.c         |  60 +++++------
 src/cadet/gnunet-service-cadet_tunnel.h         |   2 +-
 src/include/gnunet_constants.h                  |   4 +-
 src/include/gnunet_protocols.h                  |  28 ++---
 src/include/gnunet_signatures.h                 |   5 -
 23 files changed, 310 insertions(+), 293 deletions(-)

diff --git a/src/cadet/cadet.h b/src/cadet/cadet.h
index 8218fd1ed..c16fb2917 100644
--- a/src/cadet/cadet.h
+++ b/src/cadet/cadet.h
@@ -135,12 +135,12 @@ struct GNUNET_CADET_PortMessage
 /**
  * Message for a client to create channels.
  */
-struct GNUNET_CADET_ChannelCreateMessageMessage
+struct GNUNET_CADET_ChannelOpenMessageMessage
 {
   /**
    * Type: #GNUNET_MESSAGE_TYPE_CADET_LOCAL_TUNNEL_CREATE
    *
-   * Size: sizeof(struct GNUNET_CADET_ChannelCreateMessageMessage)
+   * Size: sizeof(struct GNUNET_CADET_ChannelOpenMessageMessage)
    */
   struct GNUNET_MessageHeader header;
 
diff --git a/src/cadet/cadet_api.c b/src/cadet/cadet_api.c
index 281d8c5f3..4a662487c 100644
--- a/src/cadet/cadet_api.c
+++ b/src/cadet/cadet_api.c
@@ -588,7 +588,7 @@ request_data (void *cls)
  */
 static void
 handle_channel_created (void *cls,
-                        const struct GNUNET_CADET_ChannelCreateMessageMessage 
*msg)
+                        const struct GNUNET_CADET_ChannelOpenMessageMessage 
*msg)
 {
   struct GNUNET_CADET_Handle *h = cls;
   struct GNUNET_CADET_Channel *ch;
@@ -1281,8 +1281,8 @@ do_reconnect (struct GNUNET_CADET_Handle *h)
 {
   struct GNUNET_MQ_MessageHandler handlers[] = {
     GNUNET_MQ_hd_fixed_size (channel_created,
-                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE,
-                             struct GNUNET_CADET_ChannelCreateMessageMessage,
+                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN,
+                             struct GNUNET_CADET_ChannelOpenMessageMessage,
                              h),
     GNUNET_MQ_hd_fixed_size (channel_destroy,
                              GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY,
@@ -1314,7 +1314,7 @@ do_reconnect (struct GNUNET_CADET_Handle *h)
                            h),
   // FIXME
 //   GNUNET_MQ_hd_fixed_Y       size (channel_destroyed,
-//                            
GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED,
+//                            
GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED,
 //                            struct GNUNET_CADET_ChannelDestroyMessage);
     GNUNET_MQ_handler_end ()
   };
@@ -1453,7 +1453,7 @@ GNUNET_CADET_disconnect (struct GNUNET_CADET_Handle 
*handle)
     msg = (struct GNUNET_MessageHeader *) &th[1];
     switch (ntohs(msg->type))
     {
-      case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+      case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
       case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
       case GNUNET_MESSAGE_TYPE_CADET_LOCAL_PORT_OPEN:
       case GNUNET_MESSAGE_TYPE_CADET_LOCAL_PORT_CLOSE:
@@ -1575,7 +1575,7 @@ GNUNET_CADET_channel_create (struct GNUNET_CADET_Handle 
*h,
                             const struct GNUNET_HashCode *port,
                             enum GNUNET_CADET_ChannelOption options)
 {
-  struct GNUNET_CADET_ChannelCreateMessageMessage *msg;
+  struct GNUNET_CADET_ChannelOpenMessageMessage *msg;
   struct GNUNET_MQ_Envelope *env;
   struct GNUNET_CADET_Channel *ch;
   struct GNUNET_CADET_ClientChannelNumber chid;
@@ -1591,7 +1591,7 @@ GNUNET_CADET_channel_create (struct GNUNET_CADET_Handle 
*h,
   ch->ctx = channel_ctx;
   ch->peer = GNUNET_PEER_intern (peer);
 
-  env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
+  env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
   msg->channel_id = ch->chid;
   msg->port = *port;
   msg->peer = *peer;
diff --git a/src/cadet/cadet_common.c b/src/cadet/cadet_common.c
index 0606aac50..95a3144e4 100644
--- a/src/cadet/cadet_common.c
+++ b/src/cadet/cadet_common.c
@@ -167,14 +167,14 @@ GC_m2s (uint16_t m)
       /**
        * Transport payload data.
        */
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
       s = "DATA";
       break;
 
     /**
      * Confirm receipt of payload data.
      */
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
       s = "DATA_ACK";
       break;
 
@@ -188,7 +188,7 @@ GC_m2s (uint16_t m)
       /**
        * Encrypted.
        */
-    case GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED:
       s = "ENCRYPTED";
       break;
 
@@ -202,14 +202,14 @@ GC_m2s (uint16_t m)
       /**
        * ACK for a data packet.
        */
-    case GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK:
       s = "ACK";
       break;
 
       /**
        * POLL for ACK.
        */
-    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL:
       s = "POLL";
       break;
 
@@ -237,7 +237,7 @@ GC_m2s (uint16_t m)
       /**
        * Ask the cadet service to create a new tunnel
        */
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
       s = "CHAN_CREAT";
       break;
 
@@ -251,14 +251,14 @@ GC_m2s (uint16_t m)
       /**
        * Confirm the creation of a channel.
        */
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
       s = "CHAN_ACK";
       break;
 
       /**
        * Confirm the creation of a channel.
        */
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
       s = "CHAN_NACK";
       break;
 
diff --git a/src/cadet/cadet_protocol.h b/src/cadet/cadet_protocol.h
index 6a6099e97..7e4a6ae16 100644
--- a/src/cadet/cadet_protocol.h
+++ b/src/cadet/cadet_protocol.h
@@ -161,11 +161,15 @@ struct GNUNET_CADET_ConnectionDestroyMessage
 };
 
 
+/******************************************************************************/
+/*******************************   TUNNEL   
***********************************/
+/******************************************************************************/
+
 /**
  * Unique identifier (counter) for an encrypted message in a channel.
- * Used to match #GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK
- * and  #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL messages
- * against the respective  #GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED
+ * Used to match #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK
+ * and  #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL messages
+ * against the respective  #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED
  * messages.
  */
 struct CadetEncryptedMessageIdentifier
@@ -179,56 +183,6 @@ struct CadetEncryptedMessageIdentifier
 
 
 /**
- * Message to acknowledge cadet encrypted traffic.
- */
-struct GNUNET_CADET_ConnectionEncryptedAckMessage
-{
-  /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK
-   */
-  struct GNUNET_MessageHeader header;
-
-  /**
-   * Maximum packet ID authorized.
-   */
-  struct CadetEncryptedMessageIdentifier cemi;
-
-  /**
-   * ID of the connection.
-   */
-  struct GNUNET_CADET_ConnectionTunnelIdentifier cid;
-};
-
-
-/**
- * Message to query a peer about its Flow Control status regarding a tunnel.
- */
-struct GNUNET_CADET_ConnectionHopByHopPollMessage
-{
-  /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL
-   */
-  struct GNUNET_MessageHeader header;
-
-  /**
-   * Last packet sent.
-   */
-  struct CadetEncryptedMessageIdentifier cemi;
-
-  /**
-   * ID of the connection.
-   */
-  struct GNUNET_CADET_ConnectionTunnelIdentifier cid;
-
-};
-
-
-
-/******************************************************************************/
-/*******************************   TUNNEL   
***********************************/
-/******************************************************************************/
-
-/**
  * Flags to be used in GNUNET_CADET_KX.
  */
 enum GNUNET_CADET_KX_Flags {
@@ -279,16 +233,23 @@ struct GNUNET_CADET_TunnelKeyExchangeMessage
    * using 'gcry_sexp_sprint'.
    */
   struct GNUNET_CRYPTO_EcdhePublicKey ratchet_key;
+
+#ifdef NEW_CADET
+  /**
+   * Proof that sender could compute the 3-DH, in lieu of a signature.
+   */
+  struct GNUNET_HashCode triple_dh_proof;
+#endif
 };
 
 
 /**
  * Axolotl tunnel message.
  */
-struct GNUNET_CADET_ConnectionEncryptedMessage
+struct GNUNET_CADET_TunnelEncryptedMessage
 {
   /**
-   * Type: #GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED
    */
   struct GNUNET_MessageHeader header;
 
@@ -334,6 +295,56 @@ struct GNUNET_CADET_ConnectionEncryptedMessage
 };
 
 
+/**
+ * Message to query a peer about its Flow Control status regarding a tunnel.
+ *
+ * It is NOT yet clear if we need this.
+ */
+struct GNUNET_CADET_ConnectionHopByHopPollMessage
+{
+  /**
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Last packet sent.
+   */
+  struct CadetEncryptedMessageIdentifier cemi;
+
+  /**
+   * ID of the connection.
+   */
+  struct GNUNET_CADET_ConnectionTunnelIdentifier cid;
+
+};
+
+
+/**
+ * Message to acknowledge cadet encrypted traffic, used for
+ * flow-control on a hop-by-hop basis on the connection-level. Note
+ * that we do use the @e cemi from the tunnel layer as the connection
+ * layer's header is included/shared with the tunnel layer messages,
+ * and we only do flow control for the payload.
+ */
+struct GNUNET_CADET_ConnectionEncryptedAckMessage
+{
+  /**
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Maximum packet ID authorized.
+   */
+  struct CadetEncryptedMessageIdentifier cemi;
+
+  /**
+   * ID of the connection.
+   */
+  struct GNUNET_CADET_ConnectionTunnelIdentifier cid;
+};
+
 
 
/******************************************************************************/
 /*******************************   CHANNEL  
***********************************/
@@ -344,10 +355,10 @@ struct GNUNET_CADET_ConnectionEncryptedMessage
 /**
  * Message to create a Channel.
  */
-struct GNUNET_CADET_ChannelCreateMessage
+struct GNUNET_CADET_ChannelOpenMessage
 {
   /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN
    */
   struct GNUNET_MessageHeader header;
 
@@ -379,6 +390,13 @@ struct GNUNET_CADET_ChannelManageMessage
    */
   struct GNUNET_MessageHeader header;
 
+#ifdef NEW_CADET
+  /**
+   * For alignment.
+   */
+  uint32_t reserved GNUNET_PACKED;
+#endif
+
   /**
    * ID of the channel
    */
@@ -391,7 +409,7 @@ struct GNUNET_CADET_ChannelManageMessage
 /**
  * Message for cadet data traffic.
  */
-struct GNUNET_CADET_ChannelDataMessage
+struct GNUNET_CADET_ChannelAppDataMessage
 {
   /**
    * Type: #GNUNET_MESSAGE_TYPE_CADET_UNICAST,
@@ -422,7 +440,7 @@ struct GNUNET_CADET_ChannelDataMessage
 struct GNUNET_CADET_ChannelDataAckMessage
 {
   /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK
    */
   struct GNUNET_MessageHeader header;
 
diff --git a/src/cadet/gnunet-service-cadet-new.c 
b/src/cadet/gnunet-service-cadet-new.c
index 64bb25403..3e149e9bb 100644
--- a/src/cadet/gnunet-service-cadet-new.c
+++ b/src/cadet/gnunet-service-cadet-new.c
@@ -272,7 +272,7 @@ GSC_bind (struct CadetClient *c,
           uint32_t options)
 {
   struct GNUNET_MQ_Envelope *env;
-  struct GNUNET_CADET_ChannelCreateMessageMessage *msg;
+  struct GNUNET_CADET_ChannelOpenMessageMessage *msg;
   struct GNUNET_CADET_ClientChannelNumber lid;
 
   lid = client_get_next_lid (c);
@@ -284,7 +284,7 @@ GSC_bind (struct CadetClient *c,
 
   /* notify local client about incoming connection! */
   env = GNUNET_MQ_msg (msg,
-                       GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
+                       GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
   msg->channel_id = lid;
   msg->port = *port;
   msg->opt = htonl (options);
@@ -464,7 +464,7 @@ handle_port_close (void *cls,
  */
 static void
 handle_channel_create (void *cls,
-                       const struct GNUNET_CADET_ChannelCreateMessageMessage 
*ccm)
+                       const struct GNUNET_CADET_ChannelOpenMessageMessage 
*ccm)
 {
   struct CadetClient *c = cls;
   struct CadetChannel *ch;
@@ -1310,8 +1310,8 @@ GNUNET_SERVICE_MAIN
                           struct GNUNET_CADET_PortMessage,
                           NULL),
  GNUNET_MQ_hd_fixed_size (channel_create,
-                          GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE,
-                          struct GNUNET_CADET_ChannelCreateMessageMessage,
+                          GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN,
+                          struct GNUNET_CADET_ChannelOpenMessageMessage,
                           NULL),
  GNUNET_MQ_hd_fixed_size (channel_destroy,
                           GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY,
diff --git a/src/cadet/gnunet-service-cadet-new_channel.c 
b/src/cadet/gnunet-service-cadet-new_channel.c
index fb6379de5..32e4c6269 100644
--- a/src/cadet/gnunet-service-cadet-new_channel.c
+++ b/src/cadet/gnunet-service-cadet-new_channel.c
@@ -68,10 +68,10 @@ struct ChannelMessageIdentifier
 /**
  * Message to create a Channel.
  */
-struct GNUNET_CADET_ChannelCreateMessage
+struct GNUNET_CADET_ChannelOpenMessage
 {
   /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN
    */
   struct GNUNET_MessageHeader header;
 
@@ -96,7 +96,7 @@ struct GNUNET_CADET_ChannelCreateMessage
 /**
  * Message for cadet data traffic.
  */
-struct GNUNET_CADET_ChannelDataMessage
+struct GNUNET_CADET_ChannelAppDataMessage
 {
   /**
    * Type: #GNUNET_MESSAGE_TYPE_CADET_UNICAST,
@@ -126,7 +126,7 @@ struct GNUNET_CADET_ChannelDataMessage
 struct GNUNET_CADET_ChannelDataAckMessage
 {
   /**
-   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK
+   * Type: #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK
    */
   struct GNUNET_MessageHeader header;
 
@@ -219,7 +219,7 @@ struct CadetReliableMessage
   /**
    * Data message we are trying to send.
    */
-  struct GNUNET_CADET_ChannelDataMessage data_message;
+  struct GNUNET_CADET_ChannelAppDataMessage data_message;
 
   /* followed by variable-size payload */
 };
@@ -265,8 +265,8 @@ struct CadetChannel
 
   /**
    * Last entry in the tunnel's queue relating to control messages
-   * (#GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE or
-   * #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK).  Used to cancel
+   * (#GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN or
+   * #GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK).  Used to cancel
    * transmission in case we receive updated information.
    */
   struct CadetTunnelQueueEntry *last_control_qe;
@@ -531,7 +531,7 @@ static void
 send_create (void *cls)
 {
   struct CadetChannel *ch = cls;
-  struct GNUNET_CADET_ChannelCreateMessage msgcc;
+  struct GNUNET_CADET_ChannelOpenMessage msgcc;
   uint32_t options;
 
   options = 0;
@@ -542,7 +542,7 @@ send_create (void *cls)
   if (ch->out_of_order)
     options |= GNUNET_CADET_OPTION_OUT_OF_ORDER;
   msgcc.header.size = htons (sizeof (msgcc));
-  msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
+  msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
   msgcc.opt = htonl (options);
   msgcc.port = ch->port;
   msgcc.gid = ch->gid;
@@ -698,7 +698,7 @@ send_channel_ack (struct CadetChannel *ch)
 {
   struct GNUNET_CADET_ChannelDataAckMessage msg;
 
-  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK);
+  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK);
   msg.header.size = htons (sizeof (msg));
   msg.gid = ch->gid;
   msg.mid.mid = htonl (ntohl (ch->mid_recv.mid) - 1);
@@ -1003,8 +1003,8 @@ GCCH_handle_local_data (struct CadetChannel *ch,
   /* Everything is correct, send the message. */
   crm = GNUNET_malloc (sizeof (*crm) + payload_size);
   crm->ch = ch;
-  crm->data_message.header.size = htons (sizeof (struct 
GNUNET_CADET_ChannelDataMessage) + payload_size);
-  crm->data_message.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA);
+  crm->data_message.header.size = htons (sizeof (struct 
GNUNET_CADET_ChannelAppDataMessage) + payload_size);
+  crm->data_message.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA);
   ch->mid_send.mid = htonl (ntohl (ch->mid_send.mid) + 1);
   crm->data_message.mid = ch->mid_send;
   crm->data_message.gid = ch->gid;
diff --git a/src/cadet/gnunet-service-cadet-new_connection.c 
b/src/cadet/gnunet-service-cadet-new_connection.c
index 95342d631..440d64fb6 100644
--- a/src/cadet/gnunet-service-cadet-new_connection.c
+++ b/src/cadet/gnunet-service-cadet-new_connection.c
@@ -268,7 +268,7 @@ GCC_handle_kx (struct CadetConnection *cc,
  */
 void
 GCC_handle_encrypted (struct CadetConnection *cc,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg)
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   GCT_handle_encrypted (cc->ct,
                         msg);
diff --git a/src/cadet/gnunet-service-cadet-new_connection.h 
b/src/cadet/gnunet-service-cadet-new_connection.h
index 440fb9019..32452024c 100644
--- a/src/cadet/gnunet-service-cadet-new_connection.h
+++ b/src/cadet/gnunet-service-cadet-new_connection.h
@@ -118,7 +118,7 @@ GCC_handle_kx (struct CadetConnection *cc,
  */
 void
 GCC_handle_encrypted (struct CadetConnection *cc,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg);
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg);
 
 
 /**
diff --git a/src/cadet/gnunet-service-cadet-new_core.c 
b/src/cadet/gnunet-service-cadet-new_core.c
index b925200a6..d81600b9d 100644
--- a/src/cadet/gnunet-service-cadet-new_core.c
+++ b/src/cadet/gnunet-service-cadet-new_core.c
@@ -137,8 +137,8 @@ route_message (struct CadetPeer *prev,
  * @return #GNUNET_YES if size is correct, #GNUNET_NO otherwise.
  */
 static int
-check_create (void *cls,
-              const struct GNUNET_CADET_ConnectionCreateMessage *msg)
+check_connection_create (void *cls,
+                         const struct GNUNET_CADET_ConnectionCreateMessage 
*msg)
 {
   uint16_t size = ntohs (msg->header.size) - sizeof (*msg);
 
@@ -170,8 +170,8 @@ destroy_route (struct CadetRoute *route)
  * @param msg Message itself.
  */
 static void
-handle_create (void *cls,
-               const struct GNUNET_CADET_ConnectionCreateMessage *msg)
+handle_connection_create (void *cls,
+                          const struct GNUNET_CADET_ConnectionCreateMessage 
*msg)
 {
   struct CadetPeer *peer = cls;
   uint16_t size = ntohs (msg->header.size) - sizeof (*msg);
@@ -235,8 +235,8 @@ handle_connection_ack (void *cls,
  * @deprecated duplicate logic with #handle_destroy(); dedup!
  */
 static void
-handle_broken (void *cls,
-               const struct GNUNET_CADET_ConnectionBrokenMessage *msg)
+handle_connection_broken (void *cls,
+                          const struct GNUNET_CADET_ConnectionBrokenMessage 
*msg)
 {
   struct CadetPeer *peer = cls;
   struct CadetConnection *cc;
@@ -281,8 +281,8 @@ handle_broken (void *cls,
  * @param msg Message itself.
  */
 static void
-handle_destroy (void *cls,
-                const struct GNUNET_CADET_ConnectionDestroyMessage *msg)
+handle_connection_destroy (void *cls,
+                           const struct GNUNET_CADET_ConnectionDestroyMessage 
*msg)
 {
   struct CadetPeer *peer = cls;
   struct CadetConnection *cc;
@@ -318,26 +318,26 @@ handle_destroy (void *cls,
 
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_HOP_BY_HOP_ENCRYPTED_ACK.
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
  */
 static void
-handle_ack (void *cls,
-            const struct GNUNET_CADET_ConnectionEncryptedAckMessage *msg)
+handle_hop_by_hop_encrypted_ack (void *cls,
+                                 const struct 
GNUNET_CADET_ConnectionEncryptedAckMessage *msg)
 {
   struct CadetPeer *peer = cls;
 
 #if FIXME
-  GCC_handle_ack (peer,
-                  msg);
+  GCC_handle_poll (peer,
+                   msg);
 #endif
 }
 
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
@@ -362,8 +362,8 @@ handle_poll (void *cls,
  * @param msg Message itself.
  */
 static void
-handle_kx (void *cls,
-           const struct GNUNET_CADET_TunnelKeyExchangeMessage *msg)
+handle_tunnel_kx (void *cls,
+                  const struct GNUNET_CADET_TunnelKeyExchangeMessage *msg)
 {
   struct CadetPeer *peer = cls;
   struct CadetConnection *cc;
@@ -405,22 +405,22 @@ handle_kx (void *cls,
  * @return #GNUNET_YES if size is correct, #GNUNET_NO otherwise.
  */
 static int
-check_encrypted (void *cls,
-                 const struct GNUNET_CADET_ConnectionEncryptedMessage *msg)
+check_tunnel_encrypted (void *cls,
+                        const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   return GNUNET_YES;
 }
 
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED.
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED.
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
  */
 static void
-handle_encrypted (void *cls,
-                  const struct GNUNET_CADET_ConnectionEncryptedMessage *msg)
+handle_tunnel_encrypted (void *cls,
+                         const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   struct CadetPeer *peer = cls;
   struct CadetConnection *cc;
@@ -532,7 +532,7 @@ void
 GCO_init (const struct GNUNET_CONFIGURATION_Handle *c)
 {
   struct GNUNET_MQ_MessageHandler handlers[] = {
-    GNUNET_MQ_hd_var_size (create,
+    GNUNET_MQ_hd_var_size (connection_create,
                            GNUNET_MESSAGE_TYPE_CADET_CONNECTION_CREATE,
                            struct GNUNET_CADET_ConnectionCreateMessage,
                            NULL),
@@ -540,29 +540,29 @@ GCO_init (const struct GNUNET_CONFIGURATION_Handle *c)
                              GNUNET_MESSAGE_TYPE_CADET_CONNECTION_CREATE_ACK,
                              struct 
GNUNET_CADET_ConnectionCreateMessageAckMessage,
                              NULL),
-    GNUNET_MQ_hd_fixed_size (broken,
+    GNUNET_MQ_hd_fixed_size (connection_broken,
                              GNUNET_MESSAGE_TYPE_CADET_CONNECTION_BROKEN,
                              struct GNUNET_CADET_ConnectionBrokenMessage,
                              NULL),
-    GNUNET_MQ_hd_fixed_size (destroy,
+    GNUNET_MQ_hd_fixed_size (connection_destroy,
                              GNUNET_MESSAGE_TYPE_CADET_CONNECTION_DESTROY,
                              struct GNUNET_CADET_ConnectionDestroyMessage,
                              NULL),
-    GNUNET_MQ_hd_fixed_size (ack,
-                             
GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK,
+    GNUNET_MQ_hd_fixed_size (hop_by_hop_encrypted_ack,
+                             
GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK,
                              struct GNUNET_CADET_ConnectionEncryptedAckMessage,
                              NULL),
     GNUNET_MQ_hd_fixed_size (poll,
-                             
GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL,
+                             GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL,
                              struct GNUNET_CADET_ConnectionHopByHopPollMessage,
                              NULL),
-    GNUNET_MQ_hd_fixed_size (kx,
+    GNUNET_MQ_hd_fixed_size (tunnel_kx,
                              GNUNET_MESSAGE_TYPE_CADET_TUNNEL_KX,
                              struct GNUNET_CADET_TunnelKeyExchangeMessage,
                              NULL),
-    GNUNET_MQ_hd_var_size (encrypted,
-                           GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED,
-                           struct GNUNET_CADET_ConnectionEncryptedMessage,
+    GNUNET_MQ_hd_var_size (tunnel_encrypted,
+                           GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED,
+                           struct GNUNET_CADET_TunnelEncryptedMessage,
                            NULL),
     GNUNET_MQ_handler_end ()
   };
diff --git a/src/cadet/gnunet-service-cadet-new_tunnels.c 
b/src/cadet/gnunet-service-cadet-new_tunnels.c
index 2425a4503..d874011aa 100644
--- a/src/cadet/gnunet-service-cadet-new_tunnels.c
+++ b/src/cadet/gnunet-service-cadet-new_tunnels.c
@@ -762,7 +762,7 @@ t_ax_decrypt (struct CadetTunnel *t,
  */
 static void
 t_h_encrypt (struct CadetTunnel *t,
-             struct GNUNET_CADET_ConnectionEncryptedMessage *msg)
+             struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
   struct CadetTunnelAxolotl *ax;
@@ -791,8 +791,8 @@ t_h_encrypt (struct CadetTunnel *t,
  */
 static void
 t_h_decrypt (struct CadetTunnel *t,
-             const struct GNUNET_CADET_ConnectionEncryptedMessage *src,
-             struct GNUNET_CADET_ConnectionEncryptedMessage *dst)
+             const struct GNUNET_CADET_TunnelEncryptedMessage *src,
+             struct GNUNET_CADET_TunnelEncryptedMessage *dst)
 {
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
   struct CadetTunnelAxolotl *ax;
@@ -843,13 +843,13 @@ delete_skipped_key (struct CadetTunnel *t,
 static ssize_t
 try_old_ax_keys (struct CadetTunnel *t,
                  void *dst,
-                 const struct GNUNET_CADET_ConnectionEncryptedMessage *src,
+                 const struct GNUNET_CADET_TunnelEncryptedMessage *src,
                  size_t size)
 {
   struct CadetTunnelSkippedKey *key;
   struct GNUNET_ShortHashCode *hmac;
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
-  struct GNUNET_CADET_ConnectionEncryptedMessage plaintext_header;
+  struct GNUNET_CADET_TunnelEncryptedMessage plaintext_header;
   struct GNUNET_CRYPTO_SymmetricSessionKey *valid_HK;
   size_t esize;
   size_t res;
@@ -859,7 +859,7 @@ try_old_ax_keys (struct CadetTunnel *t,
   LOG (GNUNET_ERROR_TYPE_DEBUG,
        "Trying skipped keys\n");
   hmac = &plaintext_header.hmac;
-  esize = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  esize = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
 
   /* Find a correct Header Key */
   valid_HK = NULL;
@@ -882,8 +882,8 @@ try_old_ax_keys (struct CadetTunnel *t,
     return -1;
 
   /* Should've been checked in -cadet_connection.c handle_cadet_encrypted. */
-  GNUNET_assert (size > sizeof (struct 
GNUNET_CADET_ConnectionEncryptedMessage));
-  len = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  GNUNET_assert (size > sizeof (struct GNUNET_CADET_TunnelEncryptedMessage));
+  len = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
   GNUNET_assert (len >= sizeof (struct GNUNET_MessageHeader));
 
   /* Decrypt header */
@@ -1021,18 +1021,18 @@ store_ax_keys (struct CadetTunnel *t,
 static ssize_t
 t_ax_decrypt_and_validate (struct CadetTunnel *t,
                            void *dst,
-                           const struct 
GNUNET_CADET_ConnectionEncryptedMessage *src,
+                           const struct GNUNET_CADET_TunnelEncryptedMessage 
*src,
                            size_t size)
 {
   struct CadetTunnelAxolotl *ax;
   struct GNUNET_ShortHashCode msg_hmac;
   struct GNUNET_HashCode hmac;
-  struct GNUNET_CADET_ConnectionEncryptedMessage plaintext_header;
+  struct GNUNET_CADET_TunnelEncryptedMessage plaintext_header;
   uint32_t Np;
   uint32_t PNp;
   size_t esize; /* Size of encryped payload */
 
-  esize = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  esize = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
   ax = &t->ax;
 
   /* Try current HK */
@@ -1411,7 +1411,7 @@ handle_plaintext_keepalive (void *cls,
  */
 static int
 check_plaintext_data (void *cls,
-                      const struct GNUNET_CADET_ChannelDataMessage *msg)
+                      const struct GNUNET_CADET_ChannelAppDataMessage *msg)
 {
   return GNUNET_OK;
 }
@@ -1425,7 +1425,7 @@ check_plaintext_data (void *cls,
  */
 static void
 handle_plaintext_data (void *cls,
-                       const struct GNUNET_CADET_ChannelDataMessage *msg)
+                       const struct GNUNET_CADET_ChannelAppDataMessage *msg)
 {
   struct CadetTunnel *t = cls;
   GNUNET_break (0); // FIXME!
@@ -1455,7 +1455,7 @@ handle_plaintext_data_ack (void *cls,
  */
 static void
 handle_plaintext_channel_create (void *cls,
-                                 const struct 
GNUNET_CADET_ChannelCreateMessage *cc)
+                                 const struct GNUNET_CADET_ChannelOpenMessage 
*cc)
 {
   struct CadetTunnel *t = cls;
   GNUNET_break (0); // FIXME!
@@ -1558,23 +1558,23 @@ GCT_create_tunnel (struct CadetPeer *destination)
                              struct GNUNET_MessageHeader,
                              NULL),
     GNUNET_MQ_hd_var_size (plaintext_data,
-                           GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA,
-                           struct GNUNET_CADET_ChannelDataMessage,
+                           GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA,
+                           struct GNUNET_CADET_ChannelAppDataMessage,
                            NULL),
     GNUNET_MQ_hd_fixed_size (plaintext_data_ack,
-                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK,
+                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK,
                              struct GNUNET_CADET_ChannelDataAckMessage,
                              NULL),
     GNUNET_MQ_hd_fixed_size (plaintext_channel_create,
-                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE,
-                             struct GNUNET_CADET_ChannelCreateMessage,
+                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN,
+                             struct GNUNET_CADET_ChannelOpenMessage,
                              NULL),
     GNUNET_MQ_hd_fixed_size (plaintext_channel_nack,
-                             
GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED,
+                             
GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED,
                              struct GNUNET_CADET_ChannelManageMessage,
                              NULL),
     GNUNET_MQ_hd_fixed_size (plaintext_channel_ack,
-                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK,
+                             GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK,
                              struct GNUNET_CADET_ChannelManageMessage,
                              NULL),
     GNUNET_MQ_hd_fixed_size (plaintext_channel_destroy,
@@ -1692,7 +1692,7 @@ GCT_handle_kx (struct CadetTConnection *ct,
  */
 void
 GCT_handle_encrypted (struct CadetTConnection *ct,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg)
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   struct CadetTunnel *t = ct->t;
   uint16_t size = ntohs (msg->header.size);
@@ -1758,14 +1758,14 @@ GCT_send (struct CadetTunnel *t,
   struct CadetTunnelQueueEntry *tq;
   uint16_t payload_size;
   struct GNUNET_MQ_Envelope *env;
-  struct GNUNET_CADET_ConnectionEncryptedMessage *ax_msg;
+  struct GNUNET_CADET_TunnelEncryptedMessage *ax_msg;
 
   /* FIXME: what about KX not yet being ready? (see "is_ready()" check in old 
code!) */
 
   payload_size = ntohs (message->size);
   env = GNUNET_MQ_msg_extra (ax_msg,
                              payload_size,
-                             GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED);
+                             GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED);
   t_ax_encrypt (t,
                 &ax_msg[1],
                 message,
diff --git a/src/cadet/gnunet-service-cadet-new_tunnels.h 
b/src/cadet/gnunet-service-cadet-new_tunnels.h
index d565077b0..59a5a1958 100644
--- a/src/cadet/gnunet-service-cadet-new_tunnels.h
+++ b/src/cadet/gnunet-service-cadet-new_tunnels.h
@@ -336,7 +336,7 @@ GCT_handle_kx (struct CadetTConnection *ct,
  */
 void
 GCT_handle_encrypted (struct CadetTConnection *ct,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg);
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg);
 
 
 /**
diff --git a/src/cadet/gnunet-service-cadet_channel.c 
b/src/cadet/gnunet-service-cadet_channel.c
index eff6af40b..20ed582bd 100644
--- a/src/cadet/gnunet-service-cadet_channel.c
+++ b/src/cadet/gnunet-service-cadet_channel.c
@@ -125,7 +125,7 @@ struct CadetReliableMessage
    */
   struct GNUNET_TIME_Absolute   timestamp;
 
-  /* struct GNUNET_CADET_ChannelDataMessage with payload */
+  /* struct GNUNET_CADET_ChannelAppDataMessage with payload */
 };
 
 
@@ -368,7 +368,7 @@ is_loopback (const struct CadetChannel *ch)
  * @param rel Reliability data for retransmission.
  */
 static struct CadetReliableMessage *
-copy_message (const struct GNUNET_CADET_ChannelDataMessage *msg, uint32_t mid,
+copy_message (const struct GNUNET_CADET_ChannelAppDataMessage *msg, uint32_t 
mid,
               struct CadetChannelReliability *rel)
 {
   struct CadetReliableMessage *copy;
@@ -378,7 +378,7 @@ copy_message (const struct GNUNET_CADET_ChannelDataMessage 
*msg, uint32_t mid,
   copy = GNUNET_malloc (sizeof (*copy) + size);
   copy->mid = mid;
   copy->rel = rel;
-  copy->type = GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA;
+  copy->type = GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA;
   GNUNET_memcpy (&copy[1], msg, size);
 
   return copy;
@@ -393,7 +393,7 @@ copy_message (const struct GNUNET_CADET_ChannelDataMessage 
*msg, uint32_t mid,
  * @param rel Reliability data to the corresponding direction.
  */
 static void
-add_buffered_data (const struct GNUNET_CADET_ChannelDataMessage *msg,
+add_buffered_data (const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                    struct CadetChannelReliability *rel)
 {
   struct CadetReliableMessage *copy;
@@ -573,7 +573,7 @@ send_client_create (struct CadetChannel *ch)
  */
 static void
 send_client_data (struct CadetChannel *ch,
-                  const struct GNUNET_CADET_ChannelDataMessage *msg,
+                  const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                   int fwd)
 {
   if (fwd)
@@ -631,7 +631,7 @@ send_client_buffered_data (struct CadetChannel *ch,
   {
     if (copy->mid == rel->mid_recv || GNUNET_NO == ch->reliable)
     {
-      struct GNUNET_CADET_ChannelDataMessage *msg = (struct 
GNUNET_CADET_ChannelDataMessage *) &copy[1];
+      struct GNUNET_CADET_ChannelAppDataMessage *msg = (struct 
GNUNET_CADET_ChannelAppDataMessage *) &copy[1];
 
       LOG (GNUNET_ERROR_TYPE_DEBUG, " have %u! now expecting %u\n",
            copy->mid, rel->mid_recv + 1);
@@ -731,7 +731,7 @@ channel_retransmit_message (void *cls)
   struct CadetChannelReliability *rel = cls;
   struct CadetReliableMessage *copy;
   struct CadetChannel *ch;
-  struct GNUNET_CADET_ChannelDataMessage *payload;
+  struct GNUNET_CADET_ChannelAppDataMessage *payload;
   int fwd;
 
   rel->retry_task = NULL;
@@ -743,7 +743,7 @@ channel_retransmit_message (void *cls)
     return;
   }
 
-  payload = (struct GNUNET_CADET_ChannelDataMessage *) &copy[1];
+  payload = (struct GNUNET_CADET_ChannelAppDataMessage *) &copy[1];
   fwd = (rel == ch->root_rel);
 
   /* Message not found in the queue that we are going to use. */
@@ -808,7 +808,7 @@ ch_message_sent (void *cls,
 
   switch (chq->type)
   {
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
       LOG (GNUNET_ERROR_TYPE_DEBUG, "data MID %u sent\n", copy->mid);
       GNUNET_assert (chq == copy->chq);
       copy->timestamp = GNUNET_TIME_absolute_get ();
@@ -844,16 +844,16 @@ ch_message_sent (void *cls,
       break;
 
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
       LOG (GNUNET_ERROR_TYPE_DEBUG, "sent %s\n", GC_m2s (chq->type));
       rel = chq->rel;
       GNUNET_assert (rel->uniq == chq);
       rel->uniq = NULL;
 
       if (CADET_CHANNEL_READY != rel->ch->state
-          && GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK != type
+          && GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK != type
           && GNUNET_NO == rel->ch->destroy)
       {
         GNUNET_assert (NULL == rel->retry_task);
@@ -882,10 +882,10 @@ ch_message_sent (void *cls,
 static void
 send_create (struct CadetChannel *ch)
 {
-  struct GNUNET_CADET_ChannelCreateMessage msgcc;
+  struct GNUNET_CADET_ChannelOpenMessage msgcc;
 
   msgcc.header.size = htons (sizeof (msgcc));
-  msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
+  msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
   msgcc.chid = ch->gid;
   msgcc.port = ch->port;
   msgcc.opt = htonl (channel_get_options (ch));
@@ -906,7 +906,7 @@ send_ack (struct CadetChannel *ch, int fwd)
   struct GNUNET_CADET_ChannelManageMessage msg;
 
   msg.header.size = htons (sizeof (msg));
-  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK);
+  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK);
   LOG (GNUNET_ERROR_TYPE_DEBUG,
        "  sending channel %s ack for channel %s\n",
        GC_f2s (fwd), GCCH_2s (ch));
@@ -946,7 +946,7 @@ send_nack (struct CadetChannel *ch)
   struct GNUNET_CADET_ChannelManageMessage msg;
 
   msg.header.size = htons (sizeof (msg));
-  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED);
+  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED);
   LOG (GNUNET_ERROR_TYPE_DEBUG,
        "  sending channel NACK for channel %s\n",
        GCCH_2s (ch));
@@ -1300,29 +1300,29 @@ handle_loopback (struct CadetChannel *ch,
 
   switch (type)
   {
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
       /* Don't send hop ACK, wait for client to ACK */
       LOG (GNUNET_ERROR_TYPE_DEBUG, "SEND loopback %u (%u)\n",
-           ntohl (((struct GNUNET_CADET_ChannelDataMessage *) msgh)->mid), 
ntohs (msgh->size));
-      GCCH_handle_data (ch, (struct GNUNET_CADET_ChannelDataMessage *) msgh, 
fwd);
+           ntohl (((struct GNUNET_CADET_ChannelAppDataMessage *) msgh)->mid), 
ntohs (msgh->size));
+      GCCH_handle_data (ch, (struct GNUNET_CADET_ChannelAppDataMessage *) 
msgh, fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
       GCCH_handle_data_ack (ch, (struct GNUNET_CADET_ChannelDataAckMessage *) 
msgh, fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
       GCCH_handle_create (ch->t,
-                          (struct GNUNET_CADET_ChannelCreateMessage *) msgh);
+                          (struct GNUNET_CADET_ChannelOpenMessage *) msgh);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
       GCCH_handle_ack (ch,
                        (struct GNUNET_CADET_ChannelManageMessage *) msgh,
                        fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
       GCCH_handle_nack (ch);
       break;
 
@@ -1536,7 +1536,7 @@ GCCH_send_data_ack (struct CadetChannel *ch, int fwd)
   rel = fwd ? ch->dest_rel : ch->root_rel;
   ack = rel->mid_recv - 1;
 
-  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK);
+  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK);
   msg.header.size = htons (sizeof (msg));
   msg.chid = ch->gid;
   msg.mid = htonl (ack);
@@ -1544,7 +1544,7 @@ GCCH_send_data_ack (struct CadetChannel *ch, int fwd)
   msg.futures = 0LL;
   for (copy = rel->head_recv; NULL != copy; copy = copy->next)
   {
-    if (copy->type != GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA)
+    if (copy->type != GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA)
     {
       LOG (GNUNET_ERROR_TYPE_DEBUG, " Type %s, expected DATA\n",
            GC_m2s (copy->type));
@@ -1748,8 +1748,8 @@ GCCH_handle_local_data (struct CadetChannel *ch,
                         size_t size)
 {
   struct CadetChannelReliability *rel;
-  struct GNUNET_CADET_ChannelDataMessage *payload;
-  uint16_t p2p_size = sizeof(struct GNUNET_CADET_ChannelDataMessage) + size;
+  struct GNUNET_CADET_ChannelAppDataMessage *payload;
+  uint16_t p2p_size = sizeof(struct GNUNET_CADET_ChannelAppDataMessage) + size;
   unsigned char cbuf[p2p_size];
   unsigned char buffer;
 
@@ -1775,12 +1775,12 @@ GCCH_handle_local_data (struct CadetChannel *ch,
   rel->client_allowed = GNUNET_NO;
 
   /* Ok, everything is correct, send the message. */
-  payload = (struct GNUNET_CADET_ChannelDataMessage *) cbuf;
+  payload = (struct GNUNET_CADET_ChannelAppDataMessage *) cbuf;
   payload->mid = htonl (rel->mid_send);
   rel->mid_send++;
   GNUNET_memcpy (&payload[1], message, size);
   payload->header.size = htons (p2p_size);
-  payload->header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA);
+  payload->header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA);
   payload->chid = ch->gid;
   LOG (GNUNET_ERROR_TYPE_DEBUG, "  sending on channel...\n");
   GCCH_send_prebuilt_message (&payload->header, ch, fwd, NULL);
@@ -1846,7 +1846,7 @@ GCCH_handle_local_destroy (struct CadetChannel *ch,
  */
 int
 GCCH_handle_local_create (struct CadetClient *c,
-                          struct GNUNET_CADET_ChannelCreateMessageMessage *msg)
+                          struct GNUNET_CADET_ChannelOpenMessageMessage *msg)
 {
   struct CadetChannel *ch;
   struct CadetTunnel *t;
@@ -1914,7 +1914,7 @@ GCCH_handle_local_create (struct CadetClient *c,
  */
 void
 GCCH_handle_data (struct CadetChannel *ch,
-                  const struct GNUNET_CADET_ChannelDataMessage *msg,
+                  const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                   int fwd)
 {
   struct CadetChannelReliability *rel;
@@ -1972,7 +1972,7 @@ GCCH_handle_data (struct CadetChannel *ch,
 
   mid = ntohl (msg->mid);
   LOG (GNUNET_ERROR_TYPE_INFO, "<== %s (%s %4u) on chan %s (%p) %s [%5u]\n",
-       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA), GC_m2s (payload_type), 
mid,
+       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA), GC_m2s 
(payload_type), mid,
        GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
 
   if ( (GNUNET_NO == ch->reliable) ||
@@ -2069,7 +2069,7 @@ GCCH_handle_data_ack (struct CadetChannel *ch,
   ack = ntohl (msg->mid);
   LOG (GNUNET_ERROR_TYPE_INFO,
        "<== %s (0x%010lX %4u) on chan %s (%p) %s [%5u]\n",
-       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK), msg->futures, ack,
+       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK), msg->futures, 
ack,
        GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
 
   if (GNUNET_YES == fwd)
@@ -2151,7 +2151,7 @@ GCCH_handle_data_ack (struct CadetChannel *ch,
  */
 struct CadetChannel *
 GCCH_handle_create (struct CadetTunnel *t,
-                    const struct GNUNET_CADET_ChannelCreateMessage *msg)
+                    const struct GNUNET_CADET_ChannelOpenMessage *msg)
 {
   struct GNUNET_CADET_ClientChannelNumber chid;
   struct GNUNET_CADET_ChannelNumber gid;
@@ -2179,7 +2179,7 @@ GCCH_handle_create (struct CadetTunnel *t,
 
   LOG (GNUNET_ERROR_TYPE_INFO,
        "<== %s (  0x%08X %4u) on chan %s (%p) %s [%5u]\n",
-       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE), chid, port,
+       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN), chid, port,
        GCCH_2s (ch), ch, GC_f2s (GNUNET_YES), ntohs (msg->header.size));
 
   if (GNUNET_YES == new_channel || GCT_is_loopback (t))
@@ -2252,7 +2252,7 @@ GCCH_handle_nack (struct CadetChannel *ch)
 {
   LOG (GNUNET_ERROR_TYPE_INFO,
        "<== %s (  0x%08X %4u) on chan %s (%p) %s [%5u]\n",
-       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED), 
ch->gid, 0,
+       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED), 
ch->gid, 0,
        GCCH_2s (ch), ch, "---", 0);
 
   send_client_nack (ch);
@@ -2277,7 +2277,7 @@ GCCH_handle_ack (struct CadetChannel *ch,
 {
   LOG (GNUNET_ERROR_TYPE_INFO,
        "<== %s (  0x%08X %4u) on chan %s (%p) %s [%5u]\n",
-       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK), ch->gid, 0,
+       GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK), ch->gid, 0,
        GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
 
   /* If this is a remote (non-loopback) channel, find 'fwd'. */
@@ -2383,13 +2383,13 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
   data_id = 0;
   switch (type)
   {
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
     {
-      struct GNUNET_CADET_ChannelDataMessage *data_msg;
+      struct GNUNET_CADET_ChannelAppDataMessage *data_msg;
       struct GNUNET_MessageHeader *payload_msg;
       uint16_t payload_type;
 
-      data_msg = (struct GNUNET_CADET_ChannelDataMessage *) message;
+      data_msg = (struct GNUNET_CADET_ChannelAppDataMessage *) message;
       data_id = ntohl (data_msg->mid);
       payload_msg = (struct GNUNET_MessageHeader *) &data_msg[1];
       payload_type = ntohs (payload_msg->type);
@@ -2397,7 +2397,7 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
       info[31] = '\0';
       break;
     }
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
     {
       struct GNUNET_CADET_ChannelDataAckMessage *ack_msg;
       ack_msg = (struct GNUNET_CADET_ChannelDataAckMessage *) message;
@@ -2406,15 +2406,15 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
               (unsigned long int) ack_msg->futures);
       break;
     }
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
     {
-      struct GNUNET_CADET_ChannelCreateMessage *cc_msg;
-      cc_msg = (struct GNUNET_CADET_ChannelCreateMessage *) message;
+      struct GNUNET_CADET_ChannelOpenMessage *cc_msg;
+      cc_msg = (struct GNUNET_CADET_ChannelOpenMessage *) message;
       SPRINTF (info, "  0x%08X", ntohl (cc_msg->chid.cn));
       break;
     }
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
     case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
     {
       struct GNUNET_CADET_ChannelManageMessage *m_msg;
@@ -2438,7 +2438,7 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
 
   switch (type)
   {
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
       if (GNUNET_YES == ch->reliable)
       {
         chq = GNUNET_new (struct CadetChannelQueue);
@@ -2484,9 +2484,9 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
       break;
 
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
       chq = GNUNET_new (struct CadetChannelQueue);
       chq->type = type;
       chq->rel = fwd ? ch->root_rel : ch->dest_rel;
@@ -2521,7 +2521,7 @@ GCCH_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
 
 
     case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
       fire_and_forget (message, ch, GNUNET_YES);
       break;
 
diff --git a/src/cadet/gnunet-service-cadet_channel.h 
b/src/cadet/gnunet-service-cadet_channel.h
index c6a1df9ff..9e887362b 100644
--- a/src/cadet/gnunet-service-cadet_channel.h
+++ b/src/cadet/gnunet-service-cadet_channel.h
@@ -224,7 +224,7 @@ GCCH_handle_local_destroy (struct CadetChannel *ch,
  */
 int
 GCCH_handle_local_create (struct CadetClient *c,
-                          struct GNUNET_CADET_ChannelCreateMessageMessage 
*msg);
+                          struct GNUNET_CADET_ChannelOpenMessageMessage *msg);
 
 /**
  * Handler for cadet network payload traffic.
@@ -238,7 +238,7 @@ GCCH_handle_local_create (struct CadetClient *c,
  */
 void
 GCCH_handle_data (struct CadetChannel *ch,
-                  const struct GNUNET_CADET_ChannelDataMessage *msg,
+                  const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                   int fwd);
 
 
@@ -268,7 +268,7 @@ GCCH_handle_data_ack (struct CadetChannel *ch,
  */
 struct CadetChannel *
 GCCH_handle_create (struct CadetTunnel *t,
-                    const struct GNUNET_CADET_ChannelCreateMessage *msg);
+                    const struct GNUNET_CADET_ChannelOpenMessage *msg);
 
 
 /**
diff --git a/src/cadet/gnunet-service-cadet_connection.c 
b/src/cadet/gnunet-service-cadet_connection.c
index 4eed0ec1c..931b32b95 100644
--- a/src/cadet/gnunet-service-cadet_connection.c
+++ b/src/cadet/gnunet-service-cadet_connection.c
@@ -616,7 +616,7 @@ send_ack (struct CadetConnection *c,
 
   /* Build ACK message and send on conn */
   msg.header.size = htons (sizeof (msg));
-  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK);
+  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK);
   msg.cemi = ack_cemi;
   msg.cid = c->id;
 
@@ -747,7 +747,7 @@ conn_message_sent (void *cls,
   }
   else /* CONN_CREATE or CONN_ACK */
   {
-    GNUNET_assert (GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED != type);
+    GNUNET_assert (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED != type);
     forced = GNUNET_YES;
   }
 
@@ -774,7 +774,7 @@ conn_message_sent (void *cls,
         schedule_next_keepalive (c, fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED:
       if (GNUNET_YES == sent)
       {
         fc->last_pid_sent = pid;
@@ -806,7 +806,7 @@ conn_message_sent (void *cls,
         connection_reset_timeout (c, fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL:
       fc->poll_msg = NULL;
       if (2 == c->destroy)
       {
@@ -827,7 +827,7 @@ conn_message_sent (void *cls,
       LOG (GNUNET_ERROR_TYPE_DEBUG, " task %u\n", fc->poll_task);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK:
       fc->ack_msg = NULL;
       break;
 
@@ -1469,7 +1469,7 @@ send_poll (void *cls)
   LOG (GNUNET_ERROR_TYPE_DEBUG, "Polling connection %s %s\n",
        GCC_2s (c),  GC_f2s (fwd));
 
-  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL);
+  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL);
   msg.header.size = htons (sizeof (msg));
   msg.cid = c->id;
   msg.cemi = fc->last_pid_sent;
@@ -2531,7 +2531,7 @@ check_message (const struct GNUNET_MessageHeader *message,
 
   /* Check PID for payload messages */
   type = ntohs (message->type);
-  if (GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED == type)
+  if (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED == type)
   {
     fc = fwd ? &c->bck_fc : &c->fwd_fc;
     LOG (GNUNET_ERROR_TYPE_DEBUG, " PID %u (expected in interval [%u,%u])\n",
@@ -2665,7 +2665,7 @@ GCC_handle_kx (struct CadetPeer *peer,
  */
 void
 GCC_handle_encrypted (struct CadetPeer *peer,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg)
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   static struct CadetEncryptedMessageIdentifier zero;
   const struct GNUNET_CADET_ConnectionTunnelIdentifier* cid;
@@ -3302,7 +3302,7 @@ GCC_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
        GC_f2s(fwd), size);
   switch (type)
   {
-    case GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED:
       LOG (GNUNET_ERROR_TYPE_DEBUG, "  Q_N+ %p %u, PIDsnt: %u, ACKrcv: %u\n",
            fc,
            fc->queue_n,
@@ -3324,8 +3324,8 @@ GCC_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
       GNUNET_break (0 == payload_type);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK:
-    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL:
+    case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL:
     case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_DESTROY:
     case GNUNET_MESSAGE_TYPE_CADET_CONNECTION_BROKEN:
       GNUNET_assert (GNUNET_YES == force);
@@ -3343,7 +3343,7 @@ GCC_send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
     GNUNET_break (0);
     LOG (GNUNET_ERROR_TYPE_DEBUG, "queue full: %u/%u\n",
          fc->queue_n, fc->queue_max);
-    if (GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED == type)
+    if (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED == type)
     {
       fc->queue_n--;
     }
diff --git a/src/cadet/gnunet-service-cadet_connection.h 
b/src/cadet/gnunet-service-cadet_connection.h
index ab2920ba3..1c3160dfd 100644
--- a/src/cadet/gnunet-service-cadet_connection.h
+++ b/src/cadet/gnunet-service-cadet_connection.h
@@ -197,7 +197,7 @@ GCC_handle_kx (struct CadetPeer *peer,
  */
 void
 GCC_handle_encrypted (struct CadetPeer *peer,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg);
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg);
 
 /**
  * Core handler for axolotl key exchange traffic.
diff --git a/src/cadet/gnunet-service-cadet_local.c 
b/src/cadet/gnunet-service-cadet_local.c
index 40d7e26dc..7ba7077aa 100644
--- a/src/cadet/gnunet-service-cadet_local.c
+++ b/src/cadet/gnunet-service-cadet_local.c
@@ -440,7 +440,7 @@ handle_channel_create (void *cls, struct 
GNUNET_SERVER_Client *client,
   LOG (GNUNET_ERROR_TYPE_DEBUG, "  by client %u\n", c->id);
 
   /* Message size sanity check */
-  if (sizeof (struct GNUNET_CADET_ChannelCreateMessageMessage)
+  if (sizeof (struct GNUNET_CADET_ChannelOpenMessageMessage)
       != ntohs (message->size))
   {
     GNUNET_break (0);
@@ -450,7 +450,7 @@ handle_channel_create (void *cls, struct 
GNUNET_SERVER_Client *client,
 
   if (GNUNET_OK !=
       GCCH_handle_local_create (c,
-                                (struct 
GNUNET_CADET_ChannelCreateMessageMessage *)
+                                (struct GNUNET_CADET_ChannelOpenMessageMessage 
*)
                                 message))
   {
     GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
@@ -1128,8 +1128,8 @@ static struct GNUNET_SERVER_MessageHandler 
client_handlers[] = {
     sizeof (struct GNUNET_CADET_PortMessage)},
   {&handle_port_close, NULL, GNUNET_MESSAGE_TYPE_CADET_LOCAL_PORT_CLOSE,
     sizeof (struct GNUNET_CADET_PortMessage)},
-  {&handle_channel_create, NULL, GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE,
-   sizeof (struct GNUNET_CADET_ChannelCreateMessageMessage)},
+  {&handle_channel_create, NULL, GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN,
+   sizeof (struct GNUNET_CADET_ChannelOpenMessageMessage)},
   {&handle_channel_destroy, NULL, GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY,
    sizeof (struct GNUNET_CADET_ChannelDestroyMessage)},
   {&handle_data, NULL, GNUNET_MESSAGE_TYPE_CADET_LOCAL_DATA, 0},
@@ -1434,10 +1434,10 @@ GML_send_channel_create (struct CadetClient *c,
                          uint32_t opt,
                          const struct GNUNET_PeerIdentity *peer)
 {
-  struct GNUNET_CADET_ChannelCreateMessageMessage msg;
+  struct GNUNET_CADET_ChannelOpenMessageMessage msg;
 
   msg.header.size = htons (sizeof (msg));
-  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
+  msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
   msg.channel_id = id;
   msg.port = *port;
   msg.opt = htonl (opt);
@@ -1465,7 +1465,7 @@ GML_send_channel_nack (struct CadetClient *c,
        c);
 
   msg.header.size = htons (sizeof (msg));
-  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED);
+  msg.header.type = htons 
(GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED);
   msg.channel_id = id;
   GNUNET_SERVER_notification_context_unicast (nc,
                                               c->handle,
@@ -1510,11 +1510,11 @@ GML_send_channel_destroy (struct CadetClient *c,
  */
 void
 GML_send_data (struct CadetClient *c,
-               const struct GNUNET_CADET_ChannelDataMessage *msg,
+               const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                struct GNUNET_CADET_ClientChannelNumber id)
 {
   struct GNUNET_CADET_LocalData *copy;
-  uint16_t size = ntohs (msg->header.size) - sizeof (struct 
GNUNET_CADET_ChannelDataMessage);
+  uint16_t size = ntohs (msg->header.size) - sizeof (struct 
GNUNET_CADET_ChannelAppDataMessage);
   char cbuf[size + sizeof (struct GNUNET_CADET_LocalData)];
 
   if (size < sizeof (struct GNUNET_MessageHeader))
diff --git a/src/cadet/gnunet-service-cadet_local.h 
b/src/cadet/gnunet-service-cadet_local.h
index 9428cd4b9..bf691f9c3 100644
--- a/src/cadet/gnunet-service-cadet_local.h
+++ b/src/cadet/gnunet-service-cadet_local.h
@@ -208,7 +208,7 @@ GML_send_channel_destroy (struct CadetClient *c,
  */
 void
 GML_send_data (struct CadetClient *c,
-               const struct GNUNET_CADET_ChannelDataMessage *msg,
+               const struct GNUNET_CADET_ChannelAppDataMessage *msg,
                struct GNUNET_CADET_ClientChannelNumber id);
 
 /**
diff --git a/src/cadet/gnunet-service-cadet_peer.c 
b/src/cadet/gnunet-service-cadet_peer.c
index 2b11040a5..3f8b7bbb8 100644
--- a/src/cadet/gnunet-service-cadet_peer.c
+++ b/src/cadet/gnunet-service-cadet_peer.c
@@ -526,7 +526,7 @@ handle_destroy (void *cls, const struct 
GNUNET_CADET_ConnectionDestroyMessage *m
 
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
@@ -540,7 +540,7 @@ handle_ack (void *cls, const struct 
GNUNET_CADET_ConnectionEncryptedAckMessage *
 
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
@@ -576,13 +576,13 @@ handle_kx (void *cls, const struct 
GNUNET_CADET_TunnelKeyExchangeMessage *msg)
  * @return #GNUNET_YES if size is correct, #GNUNET_NO otherwise.
  */
 static int
-check_encrypted (void *cls, const struct 
GNUNET_CADET_ConnectionEncryptedMessage *msg)
+check_encrypted (void *cls, const struct GNUNET_CADET_TunnelEncryptedMessage 
*msg)
 {
     uint16_t size;
     uint16_t minimum_size;
 
     size = ntohs (msg->header.size);
-    minimum_size = sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage)
+    minimum_size = sizeof (struct GNUNET_CADET_TunnelEncryptedMessage)
                    + sizeof (struct GNUNET_MessageHeader);
 
     if (size < minimum_size)
@@ -594,13 +594,13 @@ check_encrypted (void *cls, const struct 
GNUNET_CADET_ConnectionEncryptedMessage
 }
 
 /**
- * Handle for #GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED.
+ * Handle for #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED.
  *
  * @param cls Closure (CadetPeer for neighbor that sent the message).
  * @param msg Message itself.
  */
 static void
-handle_encrypted (void *cls, const struct 
GNUNET_CADET_ConnectionEncryptedMessage *msg)
+handle_encrypted (void *cls, const struct GNUNET_CADET_TunnelEncryptedMessage 
*msg)
 {
     struct CadetPeer *peer = cls;
     GCC_handle_encrypted (peer, msg);
@@ -639,11 +639,11 @@ connect_to_core (const struct GNUNET_CONFIGURATION_Handle 
*c)
                                  struct GNUNET_CADET_ConnectionDestroyMessage,
                                  NULL),
         GNUNET_MQ_hd_fixed_size (ack,
-                                 
GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK,
+                                 
GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK,
                                  struct 
GNUNET_CADET_ConnectionEncryptedAckMessage,
                                  NULL),
         GNUNET_MQ_hd_fixed_size (poll,
-                                 
GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL,
+                                 
GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL,
                                  struct 
GNUNET_CADET_ConnectionHopByHopPollMessage,
                                  NULL),
         GNUNET_MQ_hd_fixed_size (kx,
@@ -651,8 +651,8 @@ connect_to_core (const struct GNUNET_CONFIGURATION_Handle 
*c)
                                  struct GNUNET_CADET_TunnelKeyExchangeMessage,
                                  NULL),
         GNUNET_MQ_hd_var_size (encrypted,
-                               GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED,
-                               struct GNUNET_CADET_ConnectionEncryptedMessage,
+                               GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED,
+                               struct GNUNET_CADET_TunnelEncryptedMessage,
                                NULL),
         GNUNET_MQ_handler_end ()
     };
@@ -735,7 +735,7 @@ get_priority (struct CadetPeerQueue *q)
     }
 
     /* Bulky payload has lower priority, control traffic has higher. */
-    if (GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED == q->type)
+    if (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED == q->type)
         return low;
     return high;
 }
@@ -1059,8 +1059,8 @@ search_handler (void *cls, const struct CadetPeerPath 
*path)
 static int
 is_connection_management (uint16_t type)
 {
-    return type == GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK ||
-           type == GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL;
+    return type == 
GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK ||
+           type == GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL;
 }
 
 
diff --git a/src/cadet/gnunet-service-cadet_tunnel.c 
b/src/cadet/gnunet-service-cadet_tunnel.c
index 5e0f5bf4f..b2d91c995 100644
--- a/src/cadet/gnunet-service-cadet_tunnel.c
+++ b/src/cadet/gnunet-service-cadet_tunnel.c
@@ -843,7 +843,7 @@ t_ax_decrypt (struct CadetTunnel *t, void *dst, const void 
*src, size_t size)
  * @param msg Message whose header to encrypt.
  */
 static void
-t_h_encrypt (struct CadetTunnel *t, struct 
GNUNET_CADET_ConnectionEncryptedMessage *msg)
+t_h_encrypt (struct CadetTunnel *t, struct GNUNET_CADET_TunnelEncryptedMessage 
*msg)
 {
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
   struct CadetTunnelAxolotl *ax;
@@ -874,8 +874,8 @@ t_h_encrypt (struct CadetTunnel *t, struct 
GNUNET_CADET_ConnectionEncryptedMessa
  * @param dst Where to decrypt header to.
  */
 static void
-t_h_decrypt (struct CadetTunnel *t, const struct 
GNUNET_CADET_ConnectionEncryptedMessage *src,
-             struct GNUNET_CADET_ConnectionEncryptedMessage *dst)
+t_h_decrypt (struct CadetTunnel *t, const struct 
GNUNET_CADET_TunnelEncryptedMessage *src,
+             struct GNUNET_CADET_TunnelEncryptedMessage *dst)
 {
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
   struct CadetTunnelAxolotl *ax;
@@ -913,12 +913,12 @@ t_h_decrypt (struct CadetTunnel *t, const struct 
GNUNET_CADET_ConnectionEncrypte
  */
 static int
 try_old_ax_keys (struct CadetTunnel *t, void *dst,
-                 const struct GNUNET_CADET_ConnectionEncryptedMessage *src, 
size_t size)
+                 const struct GNUNET_CADET_TunnelEncryptedMessage *src, size_t 
size)
 {
   struct CadetTunnelSkippedKey *key;
   struct GNUNET_ShortHashCode *hmac;
   struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
-  struct GNUNET_CADET_ConnectionEncryptedMessage plaintext_header;
+  struct GNUNET_CADET_TunnelEncryptedMessage plaintext_header;
   struct GNUNET_CRYPTO_SymmetricSessionKey *valid_HK;
   size_t esize;
   size_t res;
@@ -927,7 +927,7 @@ try_old_ax_keys (struct CadetTunnel *t, void *dst,
 
   LOG (GNUNET_ERROR_TYPE_DEBUG, "Trying old keys\n");
   hmac = &plaintext_header.hmac;
-  esize = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  esize = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
 
   /* Find a correct Header Key */
   for (key = t->ax->skipped_head; NULL != key; key = key->next)
@@ -948,8 +948,8 @@ try_old_ax_keys (struct CadetTunnel *t, void *dst,
     return -1;
 
   /* Should've been checked in -cadet_connection.c handle_cadet_encrypted. */
-  GNUNET_assert (size > sizeof (struct 
GNUNET_CADET_ConnectionEncryptedMessage));
-  len = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  GNUNET_assert (size > sizeof (struct GNUNET_CADET_TunnelEncryptedMessage));
+  len = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
   GNUNET_assert (len >= sizeof (struct GNUNET_MessageHeader));
 
   /* Decrypt header */
@@ -1092,19 +1092,19 @@ store_ax_keys (struct CadetTunnel *t,
  */
 static int
 t_ax_decrypt_and_validate (struct CadetTunnel *t, void *dst,
-                           const struct 
GNUNET_CADET_ConnectionEncryptedMessage *src,
+                           const struct GNUNET_CADET_TunnelEncryptedMessage 
*src,
                            size_t size)
 {
   struct CadetTunnelAxolotl *ax;
   struct GNUNET_ShortHashCode msg_hmac;
   struct GNUNET_HashCode hmac;
-  struct GNUNET_CADET_ConnectionEncryptedMessage plaintext_header;
+  struct GNUNET_CADET_TunnelEncryptedMessage plaintext_header;
   uint32_t Np;
   uint32_t PNp;
   size_t esize; /* Size of encryped payload */
   size_t osize; /* Size of output (decrypted payload) */
 
-  esize = size - sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
+  esize = size - sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
   ax = t->ax;
   if (NULL == ax)
     return -1;
@@ -1322,10 +1322,10 @@ send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
                        struct CadetTunnelQueue *existing_q)
 {
   struct GNUNET_MessageHeader *msg;
-  struct GNUNET_CADET_ConnectionEncryptedMessage *ax_msg;
+  struct GNUNET_CADET_TunnelEncryptedMessage *ax_msg;
   struct CadetTunnelQueue *tq;
   size_t size = ntohs (message->size);
-  char cbuf[sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage) + size] 
GNUNET_ALIGN;
+  char cbuf[sizeof (struct GNUNET_CADET_TunnelEncryptedMessage) + size] 
GNUNET_ALIGN;
   size_t esize;
   uint16_t type;
   int fwd;
@@ -1352,10 +1352,10 @@ send_prebuilt_message (const struct 
GNUNET_MessageHeader *message,
 
   GNUNET_assert (GNUNET_NO == GCT_is_loopback (t));
 
-  ax_msg = (struct GNUNET_CADET_ConnectionEncryptedMessage *) cbuf;
+  ax_msg = (struct GNUNET_CADET_TunnelEncryptedMessage *) cbuf;
   msg = &ax_msg->header;
-  msg->size = htons (sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage) + 
size);
-  msg->type = htons (GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED);
+  msg->size = htons (sizeof (struct GNUNET_CADET_TunnelEncryptedMessage) + 
size);
+  msg->type = htons (GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED);
   esize = t_ax_encrypt (t, &ax_msg[1], message, size);
   ax_msg->Ns = htonl (t->ax->Ns++);
   ax_msg->PNs = htonl (t->ax->PNs);
@@ -1584,7 +1584,7 @@ send_channel_destroy (struct CadetTunnel *t,
  */
 static void
 handle_data (struct CadetTunnel *t,
-             const struct GNUNET_CADET_ChannelDataMessage *msg,
+             const struct GNUNET_CADET_ChannelAppDataMessage *msg,
              int fwd)
 {
   struct CadetChannel *ch;
@@ -1595,7 +1595,7 @@ handle_data (struct CadetTunnel *t,
   /* Check size */
   size = ntohs (msg->header.size);
   if (size <
-      sizeof (struct GNUNET_CADET_ChannelDataMessage) +
+      sizeof (struct GNUNET_CADET_ChannelAppDataMessage) +
       sizeof (struct GNUNET_MessageHeader))
   {
     GNUNET_break (0);
@@ -1675,14 +1675,14 @@ handle_data_ack (struct CadetTunnel *t,
  */
 static void
 handle_ch_create (struct CadetTunnel *t,
-                  const struct GNUNET_CADET_ChannelCreateMessage *msg)
+                  const struct GNUNET_CADET_ChannelOpenMessage *msg)
 {
   struct CadetChannel *ch;
   size_t size;
 
   /* Check size */
   size = ntohs (msg->header.size);
-  if (size != sizeof (struct GNUNET_CADET_ChannelCreateMessage))
+  if (size != sizeof (struct GNUNET_CADET_ChannelOpenMessage))
   {
     GNUNET_break_op (0);
     return;
@@ -1885,24 +1885,24 @@ handle_decrypted (struct CadetTunnel *t,
       GNUNET_STATISTICS_update (stats, "# keepalives received", 1, GNUNET_NO);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
       /* Don't send hop ACK, wait for client to ACK */
-      handle_data (t, (struct GNUNET_CADET_ChannelDataMessage *) msgh, fwd);
+      handle_data (t, (struct GNUNET_CADET_ChannelAppDataMessage *) msgh, fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
       handle_data_ack (t, (struct GNUNET_CADET_ChannelDataAckMessage *) msgh, 
fwd);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
-      handle_ch_create (t, (struct GNUNET_CADET_ChannelCreateMessage *) msgh);
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+      handle_ch_create (t, (struct GNUNET_CADET_ChannelOpenMessage *) msgh);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
       handle_ch_nack (t, (struct GNUNET_CADET_ChannelManageMessage *) msgh);
       break;
 
-    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK:
+    case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
       handle_ch_ack (t, (struct GNUNET_CADET_ChannelManageMessage *) msgh, 
fwd);
       break;
 
@@ -1934,7 +1934,7 @@ handle_decrypted (struct CadetTunnel *t,
  */
 void
 GCT_handle_encrypted (struct CadetTunnel *t,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg)
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg)
 {
   uint16_t size = ntohs (msg->header.size);
   char cbuf [size];
@@ -2146,8 +2146,8 @@ GCT_init (const struct GNUNET_CONFIGURATION_Handle *c,
   LOG (GNUNET_ERROR_TYPE_DEBUG, "init\n");
 
   expected_overhead = 0;
-  expected_overhead += sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage);
-  expected_overhead += sizeof (struct GNUNET_CADET_ChannelDataMessage);
+  expected_overhead += sizeof (struct GNUNET_CADET_TunnelEncryptedMessage);
+  expected_overhead += sizeof (struct GNUNET_CADET_ChannelAppDataMessage);
   expected_overhead += sizeof (struct 
GNUNET_CADET_ConnectionEncryptedAckMessage);
   GNUNET_assert (GNUNET_CONSTANTS_CADET_P2P_OVERHEAD == expected_overhead);
 
diff --git a/src/cadet/gnunet-service-cadet_tunnel.h 
b/src/cadet/gnunet-service-cadet_tunnel.h
index 8d3d28f8d..65f54e373 100644
--- a/src/cadet/gnunet-service-cadet_tunnel.h
+++ b/src/cadet/gnunet-service-cadet_tunnel.h
@@ -304,7 +304,7 @@ GCT_get_channel (struct CadetTunnel *t, struct 
GNUNET_CADET_ChannelNumber chid);
  */
 void
 GCT_handle_encrypted (struct CadetTunnel *t,
-                      const struct GNUNET_CADET_ConnectionEncryptedMessage 
*msg);
+                      const struct GNUNET_CADET_TunnelEncryptedMessage *msg);
 
 
 /**
diff --git a/src/include/gnunet_constants.h b/src/include/gnunet_constants.h
index 336184589..1d0232cea 100644
--- a/src/include/gnunet_constants.h
+++ b/src/include/gnunet_constants.h
@@ -127,8 +127,8 @@ extern "C"
 
 /**
  * Size of the CADET message overhead:
- * = sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage)
- * + sizeof (struct GNUNET_CADET_ChannelDataMessage)
+ * = sizeof (struct GNUNET_CADET_TunnelEncryptedMessage)
+ * + sizeof (struct GNUNET_CADET_ChannelAppDataMessage)
  * + sizeof (struct GNUNET_CADET_ConnectionEncryptedAckMessage))
  *
  * Checked for correcteness in gnunet-service-cadet_tunnel.c: GCT_init().
diff --git a/src/include/gnunet_protocols.h b/src/include/gnunet_protocols.h
index 4962a944a..e8f5ead37 100644
--- a/src/include/gnunet_protocols.h
+++ b/src/include/gnunet_protocols.h
@@ -2652,34 +2652,38 @@ extern "C"
 /**
  * Hop-by-hop, connection dependent ACK.
  */
-#define GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED_HOP_BY_HOP_ACK 1005
+#define GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_ENCRYPTED_ACK 1005
 
 /**
- * Poll for a hop-by-hop ACK.
+ * Axolotl key exchange.
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CONNECTION_HOP_BY_HOP_POLL 1006
+#define GNUNET_MESSAGE_TYPE_CADET_TUNNEL_KX 1007
 
 /**
- * Key exchange encapsulation.
+ * Axolotl encrypted data.
  */
-#define GNUNET_MESSAGE_TYPE_CADET_TUNNEL_KX 1007
+#define GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED 1008
 
 /**
- * Axolotl encrypted data.
+ * We do not bother with ACKs for
+ * #GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED messages, but we instead
+ * poll for one if we got nothing for a while and start to be worried.
  */
-#define GNUNET_MESSAGE_TYPE_CONNECTION_ENCRYPTED 1008
+#define GNUNET_MESSAGE_TYPE_CADET_TUNNEL_ENCRYPTED_POLL 1006
+
+
 
 /**********************************  Channel  
*********************************/
 
 /**
  * Payload data (inside an encrypted tunnel).
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA 1010
+#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA 1010
 
 /**
  * Confirm payload data end-to-end.
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DATA_ACK 1011
+#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK 1011
 
 /**
  * Announce connection is still alive (direction sensitive).
@@ -2689,7 +2693,7 @@ extern "C"
 /**
  * Ask the cadet service to create a new channel.
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE 1013
+#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN 1013
 
 /**
  * Ask the cadet service to destroy a channel.
@@ -2699,12 +2703,12 @@ extern "C"
 /**
  * Confirm the creation of a channel
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_ACK 1015
+#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK 1015
 
 /**
  * Reject the creation of a channel
  */
-#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE_NACK_DEPRECATED 1016
+#define GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED 1016
 
 /***********************************  Local  
**********************************/
 
diff --git a/src/include/gnunet_signatures.h b/src/include/gnunet_signatures.h
index 1e372bbea..c1e0d005c 100644
--- a/src/include/gnunet_signatures.h
+++ b/src/include/gnunet_signatures.h
@@ -151,11 +151,6 @@ extern "C"
 #define GNUNET_SIGNATURE_PURPOSE_CONVERSATION_RING 20
 
 /**
- * Key exchange in CADET
- */
-#define GNUNET_SIGNATURE_PURPOSE_CADET_KX 21
-
-/**
  * Signature for the first round of distributed key generation.
  */
 #define GNUNET_SIGNATURE_PURPOSE_SECRETSHARING_DKG1 22

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