gh-142451: correctly copy HMAC attributes in HMAC.copy()

[picnixz]

There was actually a much older issue in copy() were we didn't copy the block size. Considering no one has ever complained about this for the past 20 years, I think that no one is actually using copy() followed by .block_size somewhere... I will backport this as well to 3.13 and 3.14.

• Issue: HMAC.copy() does not correctly copy its attributes #142451

[picnixz]

!buildbot FIPS-only

[bedevere-bot]

The regex 'FIPS-only' did not match any buildbot builder. Is the requested builder in the list of stable builders?

[picnixz]

!buildbot FIPS

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @picnixz for commit cc591f8 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F142510%2Fmerge

The command will test the builders whose names match following regular expression: FIPS

The builders matched are:

• AMD64 CentOS9 FIPS No Builtin Hashes PR
• AMD64 CentOS9 FIPS Only Blake2 Builtin Hash PR
• AMD64 RHEL8 FIPS Only Blake2 Builtin Hash PR
• AMD64 RHEL8 FIPS No Builtin Hashes PR

[picnixz]

Oh by the way, there is a separate issue with _hashlib itself. I don't know if it's really an issue though but in FIPS mode, not having HMAC means that... we are actually not importing _hashlib at all. I didn't think about it but it's because I used EVP_MAC_FETCH with a NULL fetch properties.

I'll fix this separately but this week-end.

[bedevere-app]

GH-142698 is a backport of this pull request to the 3.14 branch.

[bedevere-app]

GH-142698 is a backport of this pull request to the 3.14 branch.

[bedevere-app]

GH-142701 is a backport of this pull request to the 3.13 branch.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Debian root 3.x (tier-1) has failed when building commit d3ef5ba.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/345/builds/12922) and take a look at the build logs.
4. Check if the failure is related to this commit (d3ef5ba) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/345/builds/12922

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last): File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/__init__.py", line 847, in gc_collect gc.collect() ~~~~~~~~~~^^ResourceWarning: unclosed file <_io.FileIO name=13 mode='wb' closefd=True> Traceback (most recent call last): File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/__init__.py", line 847, in gc_collect gc.collect() ~~~~~~~~~~^^ResourceWarning: unclosed file <_io.FileIO name=11 mode='wb' closefd=True>

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot ARM64 MacOS M1 NoGIL 3.x (tier-2) has failed when building commit d3ef5ba.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1270/builds/6374) and take a look at the build logs.
4. Check if the failure is related to this commit (d3ef5ba) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1270/builds/6374

Failed tests:

• test_free_threading

Summary of the results of the build (if available):

==

Click to see traceback logs

remote: Enumerating objects: 13, done. remote: Counting objects: 9% (1/11) remote: Counting objects: 18% (2/11) remote: Counting objects: 27% (3/11) remote: Counting objects: 36% (4/11) remote: Counting objects: 45% (5/11) remote: Counting objects: 54% (6/11) remote: Counting objects: 63% (7/11) remote: Counting objects: 72% (8/11) remote: Counting objects: 81% (9/11) remote: Counting objects: 90% (10/11) remote: Counting objects: 100% (11/11) remote: Counting objects: 100% (11/11), done. remote: Compressing objects: 20% (1/5) remote: Compressing objects: 40% (2/5) remote: Compressing objects: 60% (3/5) remote: Compressing objects: 80% (4/5) remote: Compressing objects: 100% (5/5) remote: Compressing objects: 100% (5/5), done. remote: Total 13 (delta 6), reused 6 (delta 6), pack-reused 2 (from 2)  From https://github.com/python/cpython * branch main -> FETCH_HEAD Note: switching to 'd3ef5ba34d3068b8178d6ff0f39462db6bbc4ad5'. You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can discard any commits you make in this state without impacting any branches by switching back to a branch. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -c with the switch command. Example: git switch -c <new-branch-name> Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at d3ef5ba34d3 gh-142451: correctly copy HMAC attributes in `HMAC.copy()` (#142510) Switched to and reset branch 'main' configure: WARNING: pkg-config is missing. Some dependencies may not be detected correctly.make: *** [buildbottest] Error 2