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GeezerVison is showing github.com — [3.12] gh-118224: Load default OpenSSL provider for nonsecurity algorithms (GH-118236) by xnox · Pull Request #118238 · python/cpython

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@xnox

@xnox xnox commented Apr 24, 2024 •
edited by bedevere-app Bot
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When OpenSSL is configured to only load "base+fips" providers into the Null library context, md5 might not be available at all. In such cases currently CPython fallsback to internal hashlib implementation is there is one - as there might not be if one compiles python with --with-builtin-hashlib-hashes=blake2. With this change "default" provider is attempted to be loaded to access nonsecurity hashes.

  • Issue: Fallback md5 is used, when trying hard to only use OpenSSL #118224

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This was referenced Apr 24, 2024
Fallback md5 is used, when trying hard to only use OpenSSL #118224
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gh-118224: Load default OpenSSL provider for nonsecurity algorithms #118236
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@bedevere-app

bedevere-app Bot commented Apr 24, 2024

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.
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@bedevere-app bedevere-app Bot added the awaiting review label Apr 24, 2024
xnox added 2 commits April 24, 2024 23:41
@xnox
[3.12] pythongh-118224: Load default OpenSSL provider for nonsecurity…
49f920e 
… algorithms

When OpenSSL is configured to only load "base+fips" providers into the
Null library context, md5 might not be available at all. In such cases
currently CPython fallsback to internal hashlib implementation is
there is one - as there might not be if one compiles python with
--with-builtin-hashlib-hashes=blake2. With this change "default"
provider is attempted to be loaded to access nonsecurity hashes.
@xnox
Add blurb
d5e2098
@xnox
xnox force-pushed the 3.12-fix-nodefault-md5 branch from eae6e6d to d5e2098 Compare April 24, 2024 22:42
@xnox

xnox commented Nov 26, 2024

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a better design is available in:

  • gh-127298: When in FIPS mode ensure builtin hashes check for usedforsecurity=False #127301
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@xnox xnox closed this Nov 26, 2024
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@xnox
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