soreatu

#! /usr/bin/env python3

# Copyright (C) 2019 Karim Kanso. All Rights Reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,

soreatu

import itertools
from binascii import hexlify, unhexlify
import Crypto.Random.random as random
from collections import Counter
from Crypto.Util.number import bytes_to_long, long_to_bytes, getRandomNBitInteger

sbox = [[11, 10, 1, 3, 8, 3, 14, 13, 0, 3, 9, 2, 4, 2, 11, 4, 6, 1, 6, 13, 6, 7, 7, 0, 10, 5, 4, 5, 9, 5, 10, 10, 6, 7, 15, 4, 7, 9, 15, 12, 1, 15, 14, 11, 14, 13, 1, 13, 8, 8, 9, 2, 12, 2, 0, 12, 8, 3, 0, 15, 11, 12, 5, 14], [0, 15, 2, 8, 3, 8, 12, 12, 9, 10, 14, 13, 4, 13, 14, 14, 2, 1, 15, 1, 1, 7, 3, 1, 10, 15, 6, 4, 6, 8, 5, 15, 4, 5, 7, 11, 7, 2, 5, 9, 11, 7, 11, 14, 6, 2, 11, 3, 12, 13, 9, 3, 9, 12, 4, 8, 10, 0, 5, 0, 0, 10, 6, 13], [5, 10, 3, 12, 3, 0, 6, 15, 13, 2, 0, 15, 8, 2, 3, 13, 9, 11, 0, 6, 14, 11, 2, 10, 1, 4, 12, 1, 7, 4, 7, 15, 5, 8, 7, 12, 5, 11, 0, 12, 14, 6, 9, 8, 14, 6, 9, 3, 4, 10, 1, 2, 10, 8, 7, 13, 15, 13, 4, 1, 5, 9, 14, 11], [4, 0, 7, 7, 7, 5, 4, 1, 10, 12, 11, 11, 11, 10, 15, 3, 12, 8, 3, 0, 2, 14, 14, 13, 2, 10, 6, 4, 6, 10, 2, 3, 14, 15, 8, 15, 9, 1, 11, 7, 5, 5, 6, 13, 6