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| author | Isis Lovecruft <isis@torproject.org> | 2017-12-13 23:51:21 +0000 |
|---|---|---|
| committer | Isis Lovecruft <isis@torproject.org> | 2017-12-13 23:51:21 +0000 |
| commit | 21e79aec731e068c0ba92c50f5fa5d3f5132b003 (patch) | |
| tree | 6d943bb498a24723426294891c115a3085c8fc30 /proposals/249-large-create-cells.txt | |
| parent | 03a9d4f13431f6f09b3d8c26c6b01dcbaf9685ae (diff) | |
| download | torspec-21e79aec731e068c0ba92c50f5fa5d3f5132b003.tar.gz torspec-21e79aec731e068c0ba92c50f5fa5d3f5132b003.zip | |
prop#249: Add recommendation on equal number of cells in each direction.
Diffstat (limited to 'proposals/249-large-create-cells.txt')
| -rw-r--r-- | proposals/249-large-create-cells.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/proposals/249-large-create-cells.txt b/proposals/249-large-create-cells.txt index b1967f3..c08b596 100644 --- a/proposals/249-large-create-cells.txt +++ b/proposals/249-large-create-cells.txt @@ -77,6 +77,14 @@ Status: Open If any intervening cells are received, the receiver SHOULD destroy the circuit. + Protocols which make use of CREATE(D)2V cells SHOULD send an equal number + of cells in either direction, to avoid trivially disclosing information + about the direction of the circuit: for example a relay might use the + fact that it saw five EXTEND2 cells in one direction and three in the + other to easily determine whether it is the middle relay on the onion + service-side or the middle relay on the client-side of a rendezvous + circuit. + 4. Interacting with RELAY_EARLY cells The first EXTEND2 cell in a batch must arrive in a RELAY_EARLY cell. |