sudo yum groupinstall "Development Tools"
wget https://pypi.python.org/packages/60/db/645aa9af249f059cc3a368b118de33889219e0362141e75d4eaf6f80f163/pycrypto-2.6.1.tar.gz
tar xvf pycrypto-2.6.1.tar.gz
cd pycrypto-2.6.1
python setup.py build
cd build/lib.linux-x86_64-2.7
tar -czvf pycrypto-2.6.1.tar.gz ./*