[GNUnet-SVN] r33287 - gnunet/src/cadet

[gnunet]

Author: bartpolot
Date: 2014-05-14 18:50:33 +0200 (Wed, 14 May 2014)
New Revision: 33287

Modified:
   gnunet/src/cadet/gnunet-service-cadet_tunnel.c
Log:
- storage for old _encryption_ keys

Modified: gnunet/src/cadet/gnunet-service-cadet_tunnel.c
===================================================================
--- gnunet/src/cadet/gnunet-service-cadet_tunnel.c      2014-05-14 16:50:31 UTC 
(rev 33286)
+++ gnunet/src/cadet/gnunet-service-cadet_tunnel.c      2014-05-14 16:50:33 UTC 
(rev 33287)
@@ -87,6 +87,12 @@
 struct CadetTunnelKXCtx
 {
   /**
+   * Encryption ("our") old key, for encrypting traffic sent by us
+   * end before the key exchange is finished or times out.
+   */
+  struct GNUNET_CRYPTO_SymmetricSessionKey e_key_old;
+
+  /**
    * Decryption ("their") old key, for decrypting traffic sent by the
    * other end before the key exchange started.
    */
@@ -96,6 +102,11 @@
    * Challenge to send in a ping and expect in the pong.
    */
   uint32_t challenge;
+
+  /**
+   * When the rekey started. One minute after this the new key will be used.
+   */
+  struct GNUNET_TIME_Absolute rekey_start_time;
 };
 
 /**