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| author | Christian Heimes <christian@cheimes.de> | 2013-10-19 12:12:02 (GMT) |
|---|---|---|
| committer | Christian Heimes <christian@cheimes.de> | 2013-10-19 12:12:02 (GMT) |
| commit | 3626a505dbffc5539888bfdb596dc20560f0d2a1 (patch) | |
| tree | bc612b09b26216a1db2a248490887b4b7a191574 /Doc | |
| parent | a412f763b36250cc8c9c521a7c9a7e3a2a3ba58c (diff) | |
| download | cpython-3626a505dbffc5539888bfdb596dc20560f0d2a1.zip cpython-3626a505dbffc5539888bfdb596dc20560f0d2a1.tar.gz cpython-3626a505dbffc5539888bfdb596dc20560f0d2a1.tar.bz2 | |
Issue #19254: Provide an optimized Python implementation of PBKDF2_HMAC
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/hashlib.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst index 3bf30bb..677d530 100644 --- a/Doc/library/hashlib.rst +++ b/Doc/library/hashlib.rst @@ -212,7 +212,11 @@ slow and include a salt. .. versionadded:: 3.4 - .. note:: *pbkdf2_hmac* is only available with OpenSSL 1.0 and newer. + .. 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. .. seealso:: |