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author | Nick Mathewson <nickm@torproject.org> | 2023-03-01 07:42:22 -0500 |
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committer | Nick Mathewson <nickm@torproject.org> | 2023-03-01 07:42:22 -0500 |
commit | ba581c95bfdad21f2f0e9c233af0ccd90ab34518 (patch) | |
tree | 7d6a53c88709a79bd0c34063ebcbede4941f65ac | |
parent | 29fbf57f79658d036e940502c5ce975fcc388a36 (diff) | |
download | torspec-ba581c95bfdad21f2f0e9c233af0ccd90ab34518.tar.gz torspec-ba581c95bfdad21f2f0e9c233af0ccd90ab34518.zip |
Clarify that ESTABLISH_INTRO signature doesn't cover SIG_LEN.
The previous wording implied that SIG_LEN was also signed, which
it isn't.
-rw-r--r-- | rend-spec-v3.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/rend-spec-v3.txt b/rend-spec-v3.txt index 5a130f9..01a48df 100644 --- a/rend-spec-v3.txt +++ b/rend-spec-v3.txt @@ -1638,8 +1638,8 @@ Table of contents: SIG_LEN is the length of the signature. SIG is a signature, using AUTH_KEY, of all contents of the cell, up - to but not including SIG. These contents are prefixed with the string - "Tor establish-intro cell v1". + to but not including SIG_LEN and SIG. These contents are prefixed + with the string "Tor establish-intro cell v1". Upon receiving an ESTABLISH_INTRO cell, a Tor node first decodes the key and the signature, and checks the signature. The node must reject |