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Re: [tor-bugs] #32040 [Core Tor/Tor]: HS intro padding machine reactivates after receiving INTRODUCE_ACK
#32040: HS intro padding machine reactivates after receiving INTRODUCE_ACK
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Reporter: asn | Owner: asn
Type: defect | Status:
| assigned
Priority: Medium | Milestone: Tor:
| 0.4.4.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: wtf-pad, padding, circpad- | Actual Points:
researchers-want, 043-deferred |
Parent ID: | Points: 1
Reviewer: | Sponsor:
| Sponsor2
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Comment (by mikeperry):
Actually, no. No protover is required. Only client upgrade is needed, so
no negotiation needs to happen. The things you can do with just endpoint
upgrade are pretty crazy, if you spend a second thinking about it, as
opposed to trying to define tokens endlessly in a committee of dinos...
We just can remove CIRCUIT_PURPOSE_C_INTRODUCE_ACKED from
apply_purpose_mask and set it and CIRCUIT_PURPOSE_C_INTRODUCING in
keep_purpose_mask.
This is done in this commit: https://github.com/mikeperry-
tor/tor/commit/2b7b8a7cfd1124ec689e26439178cc312cf5c7d3
The rend machines might need a similar fix if the REND circuit also has
purpose flapping? I did not do that yet.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32040#comment:10>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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