[Python-Dev] Python 3.7: Require OpenSSL >=1.0.2 / LibreSSL >=2.5.3

Steve Dower steve.dower at python.org
Tue Jan 16 02:08:54 EST 2018

>From my perspective, we can’t keep an OpenSSL-like API and use Windows platform libraries (we could do a requests-like API easily enough, but even urllib3 is painfully low-level).

We have to continue shipping our own copy of OpenSSL on Windows. Nothing to negotiate here except whether OpenSSL releases should trigger a Python release, and I think that decision can stay with the RM.

Good luck solving macOS :o)


Top-posted from my Windows phone

From: Stephen J. Turnbull
Sent: Tuesday, January 16, 2018 17:45
To: Matt Billenstein
Cc: Christian Heimes; python-dev at python.org
Subject: Re: [Python-Dev] Python 3.7: Require OpenSSL >=1.0.2 / LibreSSL >=2.5.3

Matt Billenstein writes:

 > In my mind it becomes easier to bundle deps in a binary installer
 > across the board (Linux, OSX, Windows) rather than rely on whatever
 > version the operating system provides.

Thing is, as Christian points out, TLS is a rapidly moving target.
Every Mac OS or iOS update seems to link to a dozen CVEs for TLS
support.  We can go there if we have to, but it's often hard to go
back when vendor support catches up to something reasonable.  I think
this is something for Ned and Christian and Steve to negotiate, since
they're the ones who are most aware of the tradeoffs and bear the

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