[tor-bugs] #20657 [Core Tor/Tor]: prop224: Implement service support.

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#20657: prop224: Implement service support.
-----------------------------+------------------------------------
 Reporter:  dgoulet          |          Owner:  dgoulet
     Type:  enhancement      |         Status:  needs_review
 Priority:  Very High        |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  tor-hs, prop224  |  Actual Points:
Parent ID:  #12424           |         Points:  6
 Reviewer:                   |        Sponsor:  SponsorR-must
-----------------------------+------------------------------------
Changes (by asn):

 * status:  accepted => needs_review


Comment:

 Replying to [comment:9 asn]:
 > OK, I pushed my ntor branch at `prop224-ntor`. I also made a gitlab
 merge request here:
 > https://gitlab.com/asn/tor/merge_requests/13
 >
 > Please check it out, and let me know what needs to be fixed before it's
 merged in the rest of the service-side branch.
 >
 > Also, please check out my `prop224-ntor` torspec branch for some basic
 (non-protocol-changing) improvements.

 OK after a review from David and some comments from Nick I present the
 `prop224-ntor-v2` branch which comes with all the code review fixes, and
 with a full on integration test suite similar to the
 `./src/test/test_ntor.sh` tests for simple ntor.

 It also implements the key expansion functionality as requested by David.

 Putting this in `needs_review` just for this subtask.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20657#comment:12>
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