PyPI recent updates for hkdf https://pypi.org/project/hkdf/ Recent updates to the Python Package Index for hkdf en 0.0.3 https://pypi.org/project/hkdf/0.0.3/ HMAC-based Extract-and-Expand Key Derivation Function (HKDF) Tue, 16 Jun 2015 03:55:38 GMT 0.0.2 https://pypi.org/project/hkdf/0.0.2/ HMAC-based Extract-and-Expand Key Derivation Function (HKDF) Tue, 16 Jun 2015 03:35:44 GMT 0.0.1 https://pypi.org/project/hkdf/0.0.1/ HMAC-based Extract-and-Expand Key Derivation Function (HKDF) Wed, 09 Apr 2014 02:10:46 GMT