commit 03a9d4f13431f6f09b3d8c26c6b01dcbaf9685ae Author: Isis Lovecruft isis@torproject.org Date: Wed Dec 13 23:50:29 2017 +0000
prop#249: Add note on padding being randomness or zeroes. --- proposals/249-large-create-cells.txt | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/proposals/249-large-create-cells.txt b/proposals/249-large-create-cells.txt index b7505c6..b1967f3 100644 --- a/proposals/249-large-create-cells.txt +++ b/proposals/249-large-create-cells.txt @@ -46,11 +46,11 @@ Status: Open };
The 'ignored' fields, which extend to the end of the variable-length - cells, are reserved. Initiators MAY set them to any length, but MUST - fill them with zero-valued bytes. Responders MUST ignore them, - regardless of what they contain. When a CREATE2V cell is generated - in response to a set of EXTEND2 cells, these fields are set by the - relay that receives the EXTEND2 cells. + cells, are reserved. Initiators MAY set them to any length, and MUST + fill them with either zero-valued bytes or pseudo-random bytes. + Responders MUST ignore them, regardless of what they contain. When a + CREATE2V cell is generated in response to a set of EXTEND2 cells, these + fields are set by the relay that receives the EXTEND2 cells.
(The purpose of the 'ignored' fields here is future-proofing and padding.)