[tor-bugs] #20569 [Core Tor/Tor]: hs: Use AES256 prop224 descriptors

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#20569: hs: Use AES256 prop224 descriptors
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     Reporter:  dgoulet        |      Owner:
         Type:  defect         |     Status:  new
     Priority:  High           |  Milestone:  Tor: 0.3.0.x-final
    Component:  Core Tor/Tor   |    Version:
     Severity:  Normal         |   Keywords:  tor-hs, easy, prop224
Actual Points:                 |  Parent ID:
       Points:  0.1            |   Reviewer:
      Sponsor:  SponsorR-must  |
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 Support got added recently so use it in `hs_descriptor.c` instead of
 AES128. Proposal 224 has been updated to use aes256.

 {{{
    * Instantiate STREAM with AES256-CTR.
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20569>
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