[issue44011] Borrow asyncio ssl implementation from uvloop

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

I have merged my PR to unblock buildbots. Karthikeyan has made suggestions how to improve the tests even further. CI also had some issues with OpenSSL 3.0.0-alpha15. Please run the tests with new OpenSSL version, too. "make multissltest" automates download, compilation, local installation, and testing.

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assignee:  -> asvetlov
priority: release blocker -> critical

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44011>
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