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authorNick Mathewson <nickm@torproject.org>2021-08-16 11:19:05 -0400
committerNick Mathewson <nickm@torproject.org>2021-08-16 11:19:11 -0400
commit15b45c920e8362852b4e9ef8226ade80331b0e35 (patch)
treeea1df84b4d4f56cd2ea4441105380cc4d95564d3 /tor-spec.txt
parentb962a3003808fb940101f5f49c5b3ead2eeaf3e5 (diff)
downloadtorspec-15b45c920e8362852b4e9ef8226ade80331b0e35.tar.gz
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Clarify: clients do not report their timestamp.
Diffstat (limited to 'tor-spec.txt')
-rw-r--r--tor-spec.txt3
1 files changed, 2 insertions, 1 deletions
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