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| author | Inada Naoki <songofacandy@gmail.com> | 2021-10-10 08:29:46 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-10 08:29:46 (GMT) |
| commit | ad970e8623523a8656e8c1ff4e1dff3423498a5a (patch) | |
| tree | ddd33e1925765792c97a500b6d8bf88ca899d53c /Doc | |
| parent | a1c3c9e8245a88cf37b084869b3559638116daf7 (diff) | |
| download | cpython-ad970e8623523a8656e8c1ff4e1dff3423498a5a.zip cpython-ad970e8623523a8656e8c1ff4e1dff3423498a5a.tar.gz cpython-ad970e8623523a8656e8c1ff4e1dff3423498a5a.tar.bz2 | |
bpo-29410: Change the default hash algorithm to SipHash13. (GH-28752)
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
Co-authored-by: Christian Heimes <christian@python.org>
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/using/configure.rst | 10 | ||||
| -rw-r--r-- | Doc/whatsnew/3.11.rst | 5 |
2 files changed, 12 insertions, 3 deletions
diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst index a59bee4..75f572c 100644 --- a/Doc/using/configure.rst +++ b/Doc/using/configure.rst @@ -416,15 +416,19 @@ Libraries options Security Options ---------------- -.. cmdoption:: --with-hash-algorithm=[fnv|siphash24] +.. cmdoption:: --with-hash-algorithm=[fnv|siphash13|siphash24] Select hash algorithm for use in ``Python/pyhash.c``: - * ``siphash24`` (default). - * ``fnv``; + * ``siphash13`` (default); + * ``siphash24``; + * ``fnv``. .. versionadded:: 3.4 + .. versionadded:: 3.11 + ``siphash13`` is added and it is the new default. + .. cmdoption:: --with-builtin-hashlib-hashes=md5,sha1,sha256,sha512,sha3,blake2 Built-in hash modules: diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst index ff376d2..e3650a6 100644 --- a/Doc/whatsnew/3.11.rst +++ b/Doc/whatsnew/3.11.rst @@ -175,6 +175,11 @@ Other CPython Implementation Changes support :class:`typing.SupportsComplex` and :class:`typing.SupportsBytes` protocols. (Contributed by Mark Dickinson and Dong-hee Na in :issue:`24234`.) +* ``siphash13`` is added as a new internal hashing algorithms. It's has similar security + properties as ``siphash24`` but it is slightly faster for long inputs. ``str``, ``bytes``, + and some other types now use it as default algorithm for ``hash()``. :pep:`552` + hash-based pyc files now use ``siphash13``, too. + (Contributed by Inada Naoki in :issue:`29410`.) New Modules =========== |