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-rw-r--r--Doc/library/hashlib.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst
index 48c0bab..d77a2e5 100644
--- a/Doc/library/hashlib.rst
+++ b/Doc/library/hashlib.rst
@@ -266,6 +266,12 @@ include a `salt <https://en.wikipedia.org/wiki/Salt_%28cryptography%29>`_.
Python implementation uses an inline version of :mod:`hmac`. It is about
three times slower and doesn't release the GIL.
+ .. deprecated:: 3.10
+
+ Slow Python implementation of *pbkdf2_hmac* is deprecated. In the
+ future the function will only be available when Python is compiled
+ with OpenSSL.
+
.. function:: scrypt(password, *, salt, n, r, p, maxmem=0, dklen=64)
The function provides scrypt password-based key derivation function as