A simple cipher
===============

.. currentmodule:: src

.. module:: cipher


The :mod:`cipher` module
------------------------

.. data:: domain

    Set domain = string.digits if you want to work with
    integers instead of printable letters -- or experiment
    with other domains


.. function:: mkcode

    Return a string containing the elements in domain
    randomly permuted


.. function:: mkdict

    Turns domain + secretkey into a dictionary of
    substitution pairs

:src:`cipher`