commit e4b7001bdfaf08f533f2716ac464f11792afc296 Author: Damian Johnson atagar@torproject.org Date: Thu Feb 8 10:02:39 2018 -0800

Change clause about recognized to 'may'

Good point from Roger and Tim on...

https://trac.torproject.org/projects/tor/ticket/25171 --- tor-spec.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tor-spec.txt b/tor-spec.txt index 2272c28..7aba3da 100644 --- a/tor-spec.txt +++ b/tor-spec.txt @@ -1446,8 +1446,9 @@ see tor-design.pdf. The 'recognized' field is used for a simple indication for if the cell still encrypted or not. When sending cells the unencrypted 'recognized' MUST be set to zero. When receiving and decrypting - cells the 'recognized' will be zero if we're the endpoint the cell - is destined for, and non-zero otherwise. + cells the 'recognized' MAY be zero if we're the endpoint the cell + is destined for (there's a 1/2^32 chance of encrypted bytes + coincidently being zero), and non-zero otherwise.

When 'recognized' in an unencrypted relay payload is zero the 'digest' field is computed as the first four bytes of the running