[tor-bugs] #26288 [Core Tor/Tor]: prop289: Implement authenticated SENDME

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#26288: prop289: Implement authenticated SENDME
-------------------------------------------------+-------------------------
 Reporter:  dgoulet                              |          Owner:  dgoulet
     Type:  enhancement                          |         Status:
                                                 |  merge_ready
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.1.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  prop289, 035-roadmap-master, 035     |  Actual Points:
  -triaged-in-20180711, prop289-assigned-        |
  sponsor-v, 041-proposed-on-roadmap, network-   |
  team-roadmap-2019-Q1Q2, tor-spec asn-merge     |
Parent ID:                                       |         Points:  21
 Reviewer:  nickm                                |        Sponsor:
                                                 |  SponsorV
-------------------------------------------------+-------------------------
Changes (by dgoulet):

 * keywords:
     prop289, 035-roadmap-master, 035-triaged-in-20180711, prop289
     -assigned-sponsor-v, 041-proposed-on-roadmap, network-team-
     roadmap-2019-Q1Q2, tor-spec
     =>
     prop289, 035-roadmap-master, 035-triaged-in-20180711, prop289
     -assigned-sponsor-v, 041-proposed-on-roadmap, network-team-
     roadmap-2019-Q1Q2, tor-spec asn-merge
 * status:  needs_review => merge_ready


Comment:

 Integration tests went well! Now, this lacks two things:

 * `FlowCtrl` protover value.
 * The one-hop circuit to a directory cache (download consensus) and its
 consensus param.

 nickm and I discussed it on IRC and we'll do that once this is merged so
 we don't pile up more things on this already big/non-trivial branch.
 However, we will not release both features apart, they need to all go in
 the same release. I'll open these tickets and made them child of this
 parent ticket.

 Which means that once this is merged, keep this parent ticket open until
 we merge the children.

 Final PR: https://github.com/torproject/tor/pull/986
 Branch: `ticket26288_041_03`
 Spec: `ticket26288_01` <-- be careful, has a fixup commit.

 Once everything is good, we'll need a tor-spec.txt (or maybe a new sendme-
 spec.txt?) patch to integrate the proposal officially into the spec.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26288#comment:41>
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