genkey.py

# Author: Igor Andrade
# generate a public and private key at /root dir

import os
from Crypto.PublicKey import RSA

key = RSA.generate(4096)
with open("/root/priv8.key", 'wb') as arquivo:
    os.chmod("/root/priv8.key", 0o600)
    arquivo.write(key.exportKey('PEM'))
pubkey = key.publickey()
with open("/root/public.pub", 'wb') as arquivo:
    arquivo.write(pubkey.exportKey('OpenSSH'))