[tor-bugs] #24658 [Core Tor/Tor]: Split/refactor crypto.h into smaller separate modules

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#24658: Split/refactor crypto.h into smaller separate modules
-------------------------------------------------+-------------------------
 Reporter:  isis                                 |          Owner:  (none)
     Type:  enhancement                          |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-crypto, refactor, review-        |  Actual Points:
  group-29, review-group-31                      |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor8-can
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Comment (by nickm):

 hm.  I like all of this except for the part that makes the contents of
 crypto_pk_t public.  Generally it's better to keep structure contents like
 this opaque whenever we can.

 Two options here would be: moving the crypto_pk_digest functions into
 crypto_rsa, or making them use crypto_pk_asn1_encode() instead.  I tried
 the latter approach in a squash commit I made on top of `bug24658-rsa` in
 my public branch of the same name.  Does it look ok to you?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24658#comment:18>
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