[Python-Dev] cpython: Issue #18582: provide a faster C implementation of pbkdf2_hmac that works with

[Christian Heimes]

Am 19.10.2013 14:54, schrieb Antoine Pitrou:
> On Sat, 19 Oct 2013 14:25:28 +0200 (CEST)
> christian.heimes <python-checkins at python.org> wrote:
>>  
>> -   .. note:: A fast implementation of *pbkdf2_hmac* is only available with
>> -      OpenSSL 1.0 and newer. The Python implementation uses an inline
>> -      version of :mod:`hmac` and is about three times slower. Contrary to
>> -      OpenSSL's current code the length of the password has only a minimal
>> -      impact on the runtime of the Python implementation.
>> +   .. note:: A fast implementation of *pbkdf2_hmac* is available with OpenSSL.
>> +      The Python implementation uses an inline version of :mod:`hmac`. It is
>> +      about three times slower and doesn't release the GIL.
> 
> The documentation should stop talking about the Python implementation
> if the C implementation is always used by default.

The C implementation is not used if Python is not compiled with OpenSSL
support.