[42.0.6] "DLL Load Failed" On Windows 7 With Python 3.8

[GaneJ]

"DLL Load Failed" On Windows 7 With Python 3.8,
because some of DLLs try to import "bcryptprimitives" function, which doesn't exist on Windows 7.

This is bcryptprimitives.dll export on Windows 7:

This is _rust.pyd 42.0.6 import:

This is _rust.pyd 42.0.5 import:

ProcessPrng function in bcryptprimitives, only exist in Windows 10 above.

If you want to keep 42.0.6 using bcryptprimitives on Windows,
you should remove support for Python 3.8 below.

Because Python 3.8 below still support Windows 7.

[GaneJ]

I got compiled version Cryptography in pypi.org.

[alex]

Windows 7 is unsupported by Microsoft, is there a particular reason you're using it?

[Tarnum-tst]

@alex
Please look here: https://catalog.update.microsoft.com/Search.aspx?q=Windows-7+x64+2024-04
Windows 7 is still supported by Microsoft and will be supported until (at least) October 2024 via Windows Embedded Standard 7/Windows Server 2008 R2 channels.

[alex]

We have fixed this in 42.0.7, but we will not be supporting Windows 7 in 43.0.

As a practical matter we haven't tested against windows 7 in years (maybe ever?) and we have no ability to test against an embedded Windows distribution.