# Note: depends on pkg-config
# Note: depends on libffi
# Note: depends on Python
# Note: depends on python-pyasn1
# Note: depends on setuptools
wget -c https://github.com/sybrenstuvel/python-rsa/archive/version-4.0/python-rsa-version-4.0.tar.gz
tar -xzf python-rsa-version-4.0.tar.gz
cd python-rsa-version-4.0
python3 setup.py build
python3 setup.py install # as root