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test_hashlib fails with SSLlibrary having only SHA3 algo but no SHAKE #141907

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test_hashlib fails with SSLlibrary having only SHA3 algo but no SHAKE#141907
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gpshead
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extension-modulesC modules in the Modules dirtype-bugAn unexpected behavior, bug, or error

Description

@Ansuel
Ansuel
opened on Nov 24, 2025

Bug report

Bug description:

If Python3 use an OpenSSL like SSL library that only expose SHA3 algo and no SHAKE algo, the test_hashlib test wrongly detect the algo presence and fails to execute on the SHA3 test.

This has been identified in a wrong logic for the try-except block for HASH, HASHXOF detection.

CPython versions tested on:

3.13

Operating systems tested on:

Linux

Linked PRs

Activity

  1. Ansuel
    added
    type-bugAn unexpected behavior, bug, or error
    on Nov 24, 2025
  2. picnixz
    added
    extension-modulesC modules in the Modules dir
    on Nov 24, 2025
  3. gpshead
    self-assigned this
    on Nov 24, 2025

  4. gpshead commented on Nov 24, 2025

    @gpshead
    gpshead
    on Nov 24, 2025
    Member

    thanks, PR set to automerge.

  5. Ansuel commented on Nov 24, 2025

    @Ansuel
    Ansuel
    on Nov 24, 2025
    ContributorAuthor

    @gpshead thanks for the fast review!

  6. StanFromIreland
    changed the title [-]test_haslib fails with SSLlibrary having only SHA3 algo but no SHAKE[/-] [+]test_hashlib fails with SSLlibrary having only SHA3 algo but no SHAKE[/+] on Nov 24, 2025
  7. gpshead
    added a commit that references this issue on Nov 24, 2025

    gh-141907: Better handle support for SHA3 for test_hashlib (GH-141908)

    fee7782
  8. miss-islington
    added 2 commits that reference this issue on Nov 24, 2025

    pythongh-141907: Better handle support for SHA3 for test_hashlib (pyt…

    1f1927b

    pythongh-141907: Better handle support for SHA3 for test_hashlib (pyt…

    0ab4b8c
  9. picnixz
    added 2 commits that reference this issue on Nov 25, 2025

    [3.14] gh-141907: Better handle support for SHA3 for test_hashlib (GH…

    add73fd

    [3.13] gh-141907: Better handle support for SHA3 for test_hashlib (GH…

    c0c13f2

  10. picnixz commented on Nov 25, 2025

    @picnixz
    picnixz
    on Nov 25, 2025
    Member

    Thanks for the report & fix!

  11. picnixz
    closed this as completedon Nov 25, 2025
  12. StanFromIreland
    added a commit that references this issue on Dec 6, 2025

    pythongh-141907: Better handle support for SHA3 for test_hashlib (pyt…

    4712c0c
  13. ashm-dev
    added a commit that references this issue on Dec 8, 2025

    pythongh-141907: Better handle support for SHA3 for test_hashlib (pyt…

    2317884
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