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ambv merged 1 commit into from
Jul 24, 2021
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bpo-44611: Update docs for os and whatsnew 3.11 #27314

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6 changes: 5 additions & 1 deletion Doc/library/os.rst
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Expand Up @@ -4886,7 +4886,7 @@ Random numbers
device. If the ``/dev/urandom`` device is not available or not readable, the
:exc:`NotImplementedError` exception is raised.

On Windows, it will use ``CryptGenRandom()``.
On Windows, it will use ``BCryptGenRandom()``.

.. seealso::
The :mod:`secrets` module provides higher level functions. For an
Expand All @@ -4907,6 +4907,10 @@ Random numbers
function is now used. These functions avoid the usage of an internal file
descriptor.

.. versionchanged:: 3.11
On Windows, ``BCryptGenRandom()`` is used instead of ``CryptGenRandom()``
which is deprecated.

.. data:: GRND_NONBLOCK

By default, when reading from ``/dev/random``, :func:`getrandom` blocks if
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4 changes: 2 additions & 2 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -201,8 +201,8 @@ math
os
--

* On Windows, :func:`os.urandom`: uses BCryptGenRandom API instead of CryptGenRandom API
which is deprecated from Microsoft Windows API.
* On Windows, :func:`os.urandom` uses ``BCryptGenRandom()`` instead of ``CryptGenRandom()``
which is deprecated.
(Contributed by Dong-hee Na in :issue:`44611`.)


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