optimized reference implementation from http://keccak.noekeon.org/ . Only
the optimizations for 32 and 64bit platforms are used. The optimized SSE and
ARM assembly variants are ignored for now.
The module is a standalone version of the SHA-3 implemention of Python 3.4
(currently under development).
WWW: http://bitbucket.org/tiran/pykeccak
PR: 172606
Submitted by: Kubilay Kocak <koobs.freebsd at gmail dot com>
Feature safe: yes
