{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "from support.utilities import *\n",
    "from support.language_models import *\n",
    "from support.norms import *\n",
    "from cipher.keyword_cipher import *"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "def keyword_encipher_p(message, keyword, wrap_alphabet=KeywordWrapAlphabet.from_a):\n",
    "    cipher_alphabet = keyword_cipher_alphabet_of(keyword, wrap_alphabet)\n",
    "    cipher_translation = {p: c for p, c in zip(string.ascii_lowercase, cipher_alphabet)}\n",
    "    return cat(keyword_encipher_letter(letter, cipher_translation) for letter in message)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "def keyword_decipher_p(message, keyword, wrap_alphabet=KeywordWrapAlphabet.from_a):\n",
    "    cipher_alphabet = keyword_cipher_alphabet_of(keyword, wrap_alphabet)\n",
    "    plaintext_translation = {c: p for p, c in zip(string.ascii_lowercase, cipher_alphabet)}\n",
    "    return cat(keyword_encipher_letter(letter, plaintext_translation) for letter in message)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "def keyword_encipher_letter(letter, cipher_translation):\n",
    "    if letter in cipher_translation:\n",
    "        return cipher_translation[letter]\n",
    "    else:\n",
    "        return letter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'qopq hoppkdo'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "keyword_encipher('test message', 'keyword')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'qopq hoppkdo'"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "keyword_encipher_p('test message', 'keyword')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'test message'"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "keyword_decipher_p('qopq hoppkdo', 'keyword')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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