[tor-commits] [torspec/master] note changed rendezvous point behavior after #18998

[nickm at torproject.org]

commit 3a12deb3d271e81e71b1033ec7da3e6403cd54a5
Author: Roger Dingledine <arma at torproject.org>
Date:   Mon May 9 20:55:01 2016 -0400

    note changed rendezvous point behavior after #18998
---
 rend-spec.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rend-spec.txt b/rend-spec.txt
index c3b9cd1..d4dfefe 100644
--- a/rend-spec.txt
+++ b/rend-spec.txt
@@ -730,6 +730,11 @@
    (If the RP does not recognize the RC, it discards the cell and
    tears down the circuit.)
 
+   Rendezvous points running Tor version 0.2.9.1-alpha and later are
+   willing to pass on RENDEZVOUS2 cells so long as they contain at least
+   the 20 bytes of cookie. Prior to 0.2.9.1-alpha, the RP refused the
+   cell if it had a payload length different from 20+128+20.
+
    When Alice's OP receives a RELAY_COMMAND_RENDEZVOUS2 cell on a circuit which
    has sent a RELAY_COMMAND_ESTABLISH_RENDEZVOUS cell but which has not yet
    received a reply, it uses g^y and H(g^xy) to complete the handshake as in