[tor-commits] [torspec] 02/06: Clarify who sends padding negotiation and when.

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nickm pushed a commit to branch main
in repository torspec.

commit 9aad630153d8bb7c9c3b07b47855700705595059
Author: Nick Mathewson <nickm at torproject.org>
AuthorDate: Mon May 23 14:31:38 2022 -0400

    Clarify who sends padding negotiation and when.
    
    Also explain what should happen if those assumptions are violated.
---
 padding-spec.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/padding-spec.txt b/padding-spec.txt
index 0a45e8b..9806b2a 100644
--- a/padding-spec.txt
+++ b/padding-spec.txt
@@ -252,6 +252,13 @@ Table of Contents
   CELL_PADDING_NEGOTIATE to instruct the relay not to pad, and then does not
   send any further padding itself.
 
+  Currently, clients negotiate padding only when a channel is created,
+  immediately after sending their NETINFO cell.  Recipients SHOULD, however,
+  accept padding negotiation messages at any time.
+
+  Clients and bridges MUST reject padding negotiation messages from relays,
+  and close the channel if they receive one.
+
 2.6. Consensus Parameters Governing Behavior
 
   Connection-level padding is controlled by the following consensus parameters:

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