[tor-commits] [torspec/main] Clarify: clients do not report their timestamp.

[nickm at torproject.org]

commit 15b45c920e8362852b4e9ef8226ade80331b0e35
Author: Nick Mathewson <nickm at torproject.org>
Date:   Mon Aug 16 11:19:05 2021 -0400

    Clarify: clients do not report their timestamp.
---
 tor-spec.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tor-spec.txt b/tor-spec.txt
index dce264f..d7b2c53 100644
--- a/tor-spec.txt
+++ b/tor-spec.txt
@@ -892,7 +892,8 @@ see tor-design.pdf.
 
    The timestamp is a big-endian unsigned integer number of seconds
    since the Unix epoch. Implementations MUST ignore unexpected bytes
-   at the end of the cell.
+   at the end of the cell.  Clients SHOULD send "0" as their timestamp, to
+   avoid fingerprinting.
 
    Implementations MAY use the timestamp value to help decide if their
    clocks are skewed.  Initiators MAY use "other OR's address" to help