--- gvpe/NEWS	2013/10/11 07:56:07	1.120
+++ gvpe/NEWS	2015/01/29 00:24:21	1.125
@@ -5,28 +5,16 @@
 TODO: replace ripemd160 as the only authentication hash.
 TODO: increase rsa size.
 TODO: replace transport bits by transport endpoint structs?
-TODO: ecdh to avoid session replay attacks
 TODO: http://incog-izick.blogspot.de/2011/08/using-openssl-aes-gcm.html
 TODO: http://stackoverflow.com/questions/12153009/openssl-c-example-of-aes-gcm-using-evp-interfaces
 
-proposed: 3 types, req, resreq, res
-
-req (hmac1) rsa(seqno1 hmac1 aes1 seqno2 hmac2 aes2 auth) ecdh1
-res (hmac1) hash(rsa-contents) ecdh2
-
-req hmac0(*) rsa(seqno hmac0 hmac aes auth) hkdf-salt ecdh1
-res hmac0(rsa-contents ecdh2)
-   hmac_key = hkdf(hkdf-salt, hmac | ecdh)
-   aes_key  = hkdf(hkdf-salt, aes  | ecdh)
-
-TODO: protocol magic fixen(!!!)
-TODO: "global"
 TODO: verify
 TODO: make sense of overhead calculation
 TODO: if-up &c should not be scripts?
-TODO: low-power
+TODO: ipv6
+TODO: gvpectrl should not use default privatekey,. or maybe document it better
 	- INCOMPATIBLE CHANGE: core protocol version 1.0.
-        - INCOMPATIBLE CHANGE: node sextions are now introduced
+        - INCOMPATIBLE CHANGE: node sections are now introduced
           with "node nodename", not "node = nodename".
         - while individual packets couldn't be replayed, a whole session
           could be replayed - this has been fixed by an extra key exchange.
@@ -42,6 +30,11 @@
           only missing private keys. private keys are also put
           into the configured location.
         - the pid-file now accepts %s as nodename as elsewhere.
+        - switch to counter mode (only aes supported at the moment in
+          openssl). this gets rid of the need to generate a random iv,
+          is likely more secure (and, as a side effect, gets rid of
+          slow randomness generation. counter mode is often faster
+          then cbc mode as well, and packets are smaller).
         - no longer use RAND_bytes to generate session keys - you NEED
           a real source of entropy now (e.g. egd or /dev/random - see the
           openssl documentation).
@@ -49,13 +42,6 @@
           and will be merged.
         - a new directive "global" switches back to the global section
           of the config file.
-        - 12 random prefix bytes are now properly supported, leading to
-          a fully random IV.
-        - use aes with a random key in counter-mode to generate IVs,
-          for speed reasons (generating 12 random bytes with openssl can
-          take longer than encrypting and mac'ing a 1.5kb packet, and IVs
-          do not need to be cryptographically strong random numbers
-          (and in fact, shouldn't be)).
         - if-up scripts can now be specified with absolute paths.
         - new global option: serial, to detect configuration mismatches.
         - use HKDF as authentication proof, not HMAC or a plain hash
@@ -64,6 +50,7 @@
           errors could occur and reset the connection. Transient hmac
           authentication errors are now being ignored for 3 seconds.
         - log the reason for a conneciton loss.
+        - use a (hopefully) constant time memcmp to compare internal secrets.
           
 2.25 Sat Jul 13 06:42:33 CEST 2013
 	- INCOMPATIBLE CHANGE: no longer enable udp protocol if no other