[tor-bugs] #20004 [Core Tor/Tor]: prop224: Add a trunnel subdirectory specifically for HS

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#20004: prop224: Add a trunnel subdirectory specifically for HS
------------------------------------------------+--------------------------
 Reporter:  dgoulet                             |          Owner:  dgoulet
     Type:  enhancement                         |         Status:
                                                |  merge_ready
 Priority:  High                                |      Milestone:  Tor:
                                                |  0.3.0.x-final
Component:  Core Tor/Tor                        |        Version:
 Severity:  Normal                              |     Resolution:
 Keywords:  tor-hs, prop224, TorCoreTeam201610  |  Actual Points:  0.5
Parent ID:  #17241                              |         Points:  1
 Reviewer:  asn                                 |        Sponsor:
                                                |  SponsorR-must
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Comment (by nickm):

 So, I think that using a generic cell_extensions mechanism is wrong ''long
 term'' but okay for now.  Once we are using different cell extensions, we
 will want to have the actual body of the extension parsed based on the
 field_type's value, which means that using a generic "extension" type
 won't work.

 But I think it's okay for now, since we don't have specified extensions
 yet, right?

 Minor comments:
   * should sig_len be inside end_sig_fields?  If this were RSA, we
 couldn't authenticate the signature len, since we wouldn't know it until
 we signed.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20004#comment:20>
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