Opened 5 years ago

Closed 5 years ago

Last modified 4 years ago

#16512 closed task (fixed)

Proposal to combine HSDir and IP in next-gen hidden services

Reported by: special Owned by:
Priority: Medium Milestone:
Component: Core Tor/Tor Version:
Severity: Normal Keywords: tor-hs prop246 research
Cc: asn Actual Points:
Parent ID: Points:
Reviewer: Sponsor: None


This ticket exists to track the scheme[1] to remove HSDirs along with proposal 224, by combining their behavior with the introduction point.

The broad overview is that the client would choose an IP using the same algorithm proposed for choosing a HSDir, build a circuit, and ask for a "descriptor" containing metadata and the IP encryption key. The client then sends INTRODUCE1 over the same circuit, and from there proceeds as already proposed.

See the tor-dev thread for some prior discussion on the tradeoffs. I have tasked myself with writing some real text for this based on proposal 224.


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Change History (6)

comment:1 Changed 5 years ago by teor

I've done some work on combining HSDirs and IPs for the one-ion / direct onion services project (client-only anonymity). This is in addition to shorter onion service paths to HSDirs, IPs, and RPs.

We could either backport (well, back-design) this part of proposal 224 to the current HSDirs and IPs, or wait for proposal 224 to be active on the public Tor network.

Edit: I only speak for myself.

Last edited 5 years ago by teor (previous) (diff)

comment:2 Changed 5 years ago by teor

Milestone: Tor: 0.2.???

comment:3 Changed 5 years ago by dgoulet

Keywords: prop246 research added; needs-proposal prop224 removed
Severity: Normal

Proposal 246 has been put in needs-research a few days ago. See

comment:4 Changed 5 years ago by dgoulet

Resolution: fixed
Sponsor: None
Status: newclosed

This ticket is not really useful to keep around. First, this has been written in proposal 246 and second it has been put in needs-research so closing the ticket.

comment:5 Changed 4 years ago by teor

Milestone: Tor: 0.2.???Tor: 0.3.???

Milestone renamed

comment:6 Changed 4 years ago by nickm

Milestone: Tor: 0.3.???

Milestone deleted

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