[MacPorts] #46539: GitHub fetches fail under OSX 10.5 (and presumably 10.4)

[MacPorts]

#46539: GitHub fetches fail under OSX 10.5 (and presumably 10.4)
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  Reporter:  fw@…    |      Owner:  macports-tickets@…
      Type:  defect  |     Status:  new
  Priority:  Low     |  Milestone:
 Component:  base    |    Version:  2.3.3
Resolution:          |   Keywords:
      Port:          |
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Comment (by nad@…):

 There are other issues with using the system OpenSSL 0.9.7 libs in OS X
 10.5 and 10.4 besides certificates being updated.  In particular, 0.9.7
 does not support newer certificates signed with SHA256, which are becoming
 more common.  Updating the root certificate bundle won't help for these.
 We (python-dev) ran into this when the certificate for python.org web
 pages and downloads was upgraded to SHA256.  We ended up having to supply
 a private copy of current OpenSSL libs for our 10.5+ Python installers.
 It appears that github.com is also using a SHA256 certificate.  10.6 (and
 later) versions of OS X also ship with OpenSSL 0.9.8 libraries that do
 work with these certs.  To work around it in MacPorts, you'd probably also
 need to supply a private version of curl and libssl/libcrypto and a
 minimum set of root CAs.

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Ticket URL: <https://trac.macports.org/ticket/46539#comment:3>
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