[Cryptography-dev] pyOpenSSL: non-blocking socket support

[Nikolaus Rath]

On Jun 27 2016, Glyph <glyph-wgPraSjSqjuEakHPNWoOSQC/G2K4zDHf at public.gmane.org> wrote:
>> On Jun 27, 2016, at 22:23, Vladimir Didenko <vladimir.didenko-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
>> 
>> Resume: you can use nonblocking ssl socket with standard ssl module
>> and PyOpenSSL. Though it requires some work from you (but it is not
>> hard!).
>
> The better way to use pyOpenSSL (and more recent stdlib ssl modules)
> is to use Memory BIOs, though.  Twisted migrated many years back from
> letting OpenSSL do the socket I/O to doing the socket I/O itself and
> the result has been much more portable, testable, and reliable.

Thanks! I think this is what I'll use.

Do you have any guidelines when to pick pyOpenSSL versus the stdlib's
ssl module (assuming that there are no outside constraints)?

Best,
-Nikolaus

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