[tor-bugs] #21841 [Core Tor/Tor]: Refactor: include openssl headers from fewer modules

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#21841: Refactor: include openssl headers from fewer modules
--------------------------+------------------------------------
 Reporter:  nickm         |          Owner:  nickm
     Type:  enhancement   |         Status:  needs_revision
 Priority:  Medium        |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:  .3
Parent ID:                |         Points:  .3
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------
Changes (by ahf):

 * status:  needs_review => needs_revision


Comment:

 In commit `38fb651f0d740bef575ad7f95475cc504ea4cb8f`:

 {{{
 +    crypto_digest_add_bytes(sha_ctx_, (const char *)(inp2), (len2));   \
 +    crypto_digest_get_digest(sha_ctx_, (char *)out, 64);               \
 +    crypto_digest_free(sha_ctx_);
 }}}

 and in the same commit:

 {{{
 +    crypto_digest_add_bytes(sha_ctx_, (const char *)(inp3), (len3));   \
 +    crypto_digest_get_digest(sha_ctx_, (char *)out, 64);               \
 +    crypto_digest_free(sha_ctx_);                                      \
 }}}

 The `64` should probably be replaced with `DIGEST512_LEN`.

 Other than that it looks good - seems to simplify our code.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21841#comment:4>
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