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crypto_puzzles.py
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crypto_puzzles.py
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#!/usr/bin/env python3
# crypto puzzles
# encryption for fun, never use for anything serious!
# Use utf8 save editor/IDE because it contains emoji
# Copyright 2020 Arnim Rupp
# 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,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import sys
import codecs
import pyqrcode
import random
import argparse
import upsidedown
import re
import roman
import base64
from pyfiglet import Figlet
from string import ascii_lowercase
from collections import defaultdict
from PIL import Image
from math import sqrt
vowels = list('aeiou')
consonants=list("bcdfghjklmnpqrstvwxyz")
# most difficult level
max_grade=13
# Emoji alphabet
# Beware, emoji look different depending on the plattform so only choose ones, where the character can be
# recognized everywhere
# seperate by comas because grapheme cluster support in python sucks, see https://hsivonen.fi/string-length/
# goal: have multiple options for common letters (ensirat) + don't use upside down because that's another function
# while editing, beware of the right to left characters ;)
emoji_letter={}
emoji_letter['a'] ='🅰️,ค,🃑,₳,ꬃ' # small ⎃ ?
emoji_letter['b'] ='🅱️,฿,𝔅,ᛒ,ℬ,ط'
emoji_letter['c'] ='©️,☪️,¢,℃' # too smal in some fonts: 🂬,𝄴,ᆮ
emoji_letter['d'] ='🌛,ԃ,Đ'
emoji_letter['e'] ='€,∈,📧,ℰ,モ' # 💶
emoji_letter['f'] ='℉,🎏,ƒ,₣,ᚩ'
emoji_letter['g'] ='Ⓖ,Ǥ,ﻮ,Ꮆ,₲'
emoji_letter['h'] ='♓,ℏ,ዙ,ᚺ'
emoji_letter['i'] ='ℹ️,🕕,𝔦,⌶,ï,༐'
emoji_letter['j'] ='⤴️,🕙,ɉ,ʝ,𝔧,ڸ' # too small in some fonts 🃛
emoji_letter['k'] ='Ⓚ,₭,㉿,ᛕ' # too small 🃞
emoji_letter['l'] ='👢,🕒,🛴,Ⱡ,ட' # 💷
emoji_letter['m'] ='♏,〽️,Ⓜ️,ℳ,₥,𝔐,ற,ᛖ'
emoji_letter['n'] ='♑,ℕ,И,🅽,ŋ,ᾗ,₦'
emoji_letter['o'] ='⭕,🍩,💍,𝔬'
emoji_letter['p'] ='🅿️,₱,🆊,₱,₽,𝔭,ᚹ'
emoji_letter['q'] ='Ǭ,Ɋ,𝔮' # too small 🂭
emoji_letter['r'] ='®️,Ȑ,Ɽ,ℜ,ℛ,ᚱ'
emoji_letter['s'] ='⚡,💲,💰,⑀,ى' # small 💵?
emoji_letter['t'] ='✝️,ƫ,ȶ,🆃,Ṭ,₮,𝔱,⍑,ァ,ኘ,ፖ'
emoji_letter['u'] ='ᶙ,⛎'
emoji_letter['v'] ='♈,✌'
emoji_letter['w'] ='〰️,₩,௰' # not like w on some systems: 🔱
emoji_letter['x'] ='❌,❎,⚒,🛠,⚔️,✖,⤫,𝔛,྾,ᚸ' # 🙅♀️ is bad because sometimes displayed as '🙅♀️♀️' in ubuntu (broken grapheme clustering?)
emoji_letter['y'] ='¥,💴,Ŷ,⑂,ℽ,Ỿ,Ӳ'
emoji_letter['z'] ='Ƶ,ʑ,ɀ,💤,ᶽ'
emoji_letter['ä'] ='Ἂ,Ȁ'
emoji_letter['ö'] ='ő,⍥,ȫ,Ӫ,ة'
emoji_letter['ü'] ='ű,Ǚ,ت'
emoji_letter['ß'] ='ẞ'
emoji_letter['1'] ='🥇,❶' #1️⃣ boring ... dice 1 ⚀ hard to recognize, very small ♳♴♵ ?
emoji_letter['2'] ='🥈,➁,🂲,⚁,ᆯ,༢' #2️⃣
emoji_letter['3'] ='🥉,ᗱ,⚂,༣' #3️⃣
emoji_letter['4'] ='4️⃣,ᔰ,🂴,⚃,༥'
emoji_letter['5'] ='5️⃣,Ƽ,🃅,⚄'
emoji_letter['6'] ='6️⃣,➅,🃖,⚅'
emoji_letter['7'] ='7️⃣,⑦,🂷,ㇴ'
emoji_letter['8'] ='∞,🎱,𝟠'
emoji_letter['9'] ='9️⃣,⑨'
emoji_letter['0'] ='🅾️,Ѳ' # 0️⃣
# might be too confusing?
#emoji_letter['10'] ='🔟'
#emoji_letter['11'] ='⓫'
# ...
#emoji_letter_multiple['100'] ='💯'
# domino, mahjong numbers also confusing: http://xahlee.info/comp/unicode_games_cards.html ?? for higher grades?
emoji_letter['*'] ='*️⃣✳️'
emoji_letter['#'] ='#️⃣'
emoji_letter['+'] ='➕'
emoji_letter['-'] ='➖'
#emoji_letter[':'] ='' # ???
emoji_letter['/'] ='／'
emoji_letter['!'] ='❕,❗️'
emoji_letter['?'] ='❓,�'
emoji_letter_multiple={}
# boooooring
#emoji_letter_multiple['ii'] ='ⅱ'
#emoji_letter_multiple['iv'] ='ⅳ'
#emoji_letter_multiple['vi'] ='ⅵ'
#emoji_letter_multiple['ⅶ'] ='ⅶ'
#emoji_letter_multiple['ix'] ='ⅸ'
#emoji_letter_multiple['xi'] ='ⅺ'
emoji_letter_multiple['sm'] ='℠'
emoji_letter_multiple['tm'] ='™️'
emoji_letter_multiple['!?'] ='⁉️'
emoji_letter_multiple['!!'] ='‼️'
emoji_letter_multiple['ab'] ='🆎,ab' # replace ab by ab = keep it to have some variety, the ab will then be processed like single letters
emoji_letter_multiple['ae'] ='ᴭ'
emoji_letter_multiple['fi'] ='fi,fi'
emoji_letter_multiple['fl'] ='fl,fl'
emoji_letter_multiple['cl'] ='🆑,cl'
emoji_letter_multiple['sos'] ='🆘,sos'
emoji_letter_multiple['vs'] ='🆚,vs'
emoji_letter_multiple['id'] ='🆔,id'
emoji_letter_multiple['ok'] ='🆗,ok'
emoji_letter_multiple['ng'] ='🆖,ng'
emoji_letter_multiple['abc'] ='🔤,abc'
emoji_letter_multiple['cool'] ='🆒,cool'
emoji_letter_multiple['free'] ='🆓,free'
emoji_letter_multiple['new'] ='🆕,new'
emoji_letter_multiple['atm'] ='🏧,atm'
emoji_letter_multiple['back'] ='🔙,back'
emoji_letter_multiple['end'] ='🔚,end'
emoji_letter_multiple['soon'] ='🔜,soon'
emoji_letter_multiple['top'] ='🔝,top'
emoji_letter_multiple['on'] ='🔛,on'
emoji_letter_multiple['tel'] ='℡,tel'
emoji_letter_multiple['ds'] ='𝄉,ds'
emoji_letter_multiple['dc'] ='𝄊,dc'
emoji_letter_multiple['tr'] ='𝆖,tr'
emoji_letter_multiple['aa'] ='⎂,aa'
emoji_letter_multiple['no'] ='№,no'
emoji_letter_multiple['rs'] ='₨,rs'
emoji_letter_multiple['ce'] ='₠,ce' # Œ
# booooring:
#emoji_letter_multiple['nm'] ='㎚'
#emoji_letter_multiple['mm'] ='㎜'
#emoji_letter_multiple['cm'] ='㎝'
#emoji_letter_multiple['km'] ='㎞' # ㏎
emoji_letter_multiple['ml'] ='㎖,ml'
emoji_letter_multiple['dl'] ='㎗,dl'
emoji_letter_multiple['kl'] ='㎘,kl'
#emoji_letter_multiple['cc'] ='㏄'
#emoji_letter_multiple['ps'] ='㎰'
#emoji_letter_multiple['ns'] ='㎱'
#emoji_letter_multiple['ms'] ='㎳'
#emoji_letter_multiple['mg'] ='㎎'
#emoji_letter_multiple['kg'] ='㎏'
#emoji_letter_multiple['kb'] ='㎅'
#emoji_letter_multiple['mb'] ='㎆' # ㏔
#emoji_letter_multiple['gb'] ='㎇'
#emoji_letter_multiple['hz'] ='㎐' # ㎑ ㎒ ㎓ shouldn't come up in normal words
emoji_letter_multiple['thz'] ='㎔'
#emoji_letter_multiple['pv'] ='㎴'
#emoji_letter_multiple['nv'] ='㎵'
#emoji_letter_multiple['mv'] ='㎷'
#emoji_letter_multiple['kv'] ='㎸'
#emoji_letter_multiple['mv'] ='㎹'
#emoji_letter_multiple['pw'] ='㎺'
#emoji_letter_multiple['nw'] ='㎻'
#emoji_letter_multiple['mw'] ='㎽' # ㎿
#emoji_letter_multiple['kw'] ='㎾'
#emoji_letter_multiple['pa'] ='㎀' # ㎩
#emoji_letter_multiple['na'] ='㎁'
#emoji_letter_multiple['ma'] ='㎃'
#emoji_letter_multiple['ka'] ='㎄'
emoji_letter_multiple['rad'] ='㎭'
emoji_letter_multiple['kpa'] ='㎪'
emoji_letter_multiple['mpa'] ='㎫'
emoji_letter_multiple['gpa'] ='㎬'
emoji_letter_multiple['cal'] ='㎈' # ㎉
#emoji_letter_multiple['dm'] ='dm'
emoji_letter_multiple['mil'] ='㏕'
#emoji_letter_multiple['fm'] ='㎙'
#emoji_letter_multiple['au'] ='㍳'
emoji_letter_multiple['db'] ='㏈'
#emoji_letter_multiple['ln'] ='㏑'
emoji_letter_multiple['log'] ='㏒'
emoji_letter_multiple['am'] ='㏂'
emoji_letter_multiple['pm'] ='㏘'
emoji_letter_multiple['hpa'] ='㍱'
#emoji_letter_multiple['da'] ='㍲'
emoji_letter_multiple['bar'] ='㍴'
#emoji_letter_multiple['ov'] ='㍵'
#emoji_letter_multiple['pc'] ='㍶'
#emoji_letter_multiple['IU'] ='㍺'
#emoji_letter_multiple['pf'] ='㎊'
#emoji_letter_multiple['nf'] ='㎋'
#emoji_letter_multiple['bq'] ='㏃'
#emoji_letter_multiple['cd'] ='㏅'
emoji_letter_multiple['co'] ='㏇'
#emoji_letter_multiple['gy'] ='㏉'
#emoji_letter_multiple['ha'] ='㏊'
emoji_letter_multiple['hp'] ='㏋'
emoji_letter_multiple['kk'] ='㏍'
#emoji_letter_multiple['kt'] ='㏏'
#emoji_letter_multiple['lm'] ='㏐'
#emoji_letter_multiple['lx'] ='㏓'
emoji_letter_multiple['mol'] ='㏖'
#emoji_letter_multiple['ph'] ='㏗'
#emoji_letter_multiple['pr'] ='㏚'
#emoji_letter_multiple['sr'] ='㏛'
#emoji_letter_multiple['sv'] ='㏜'
#emoji_letter_multiple['wb'] ='㏝'
emoji_letter_multiple['hu'] ='Ƕ'
#emoji_letter_multiple['dz'] ='DZ'
emoji_letter_multiple['oe'] ='œ'
emoji_letter_multiple['ts'] ='ʦ'
emoji_letter_multiple['dz'] ='ʥ'
emoji_letter_multiple['th'] ='ᵺ'
emoji_letter_multiple['ue'] ='ᵫ'
emoji_letter_multiple['ls'] ='ʪ'
emoji_letter_multiple['fn'] ='ʩ'
emoji_letter_multiple['lz'] ='ʫ'
emoji_letter_multiple['ww'] ='ʬ'
emoji_letter_multiple['le'] ='ᇉ' # korean
emoji_letter_multiple['lc'] ='ᇆ'
# too small: 𝆮 ?
############################################################
emoji_letter_xmas={}
emoji_letter_xmas['a'] ='🎄'
emoji_letter_xmas['b'] ='฿,𝔅,ᛒ,ℬ,ط'
emoji_letter_xmas['c'] ='¢,℃,𝄴'
emoji_letter_xmas['d'] ='🌛,ԃ,Đ'
emoji_letter_xmas['e'] ='€,∈,ℰ,モ'
emoji_letter_xmas['f'] ='℉,ƒ,₣,ᚩ'
emoji_letter_xmas['g'] ='Ⓖ,Ǥ,ﻮ,Ꮆ,₲'
emoji_letter_xmas['h'] ='ℏ,ዙ,ᚺ'
emoji_letter_xmas['i'] ='🕯️'
emoji_letter_xmas['j'] ='ɉ,ʝ,𝔧,ڸ'
emoji_letter_xmas['k'] ='Ⓚ,₭,㉿,ᛕ'
emoji_letter_xmas['l'] ='🕒,🛴,Ⱡ,ட'
emoji_letter_xmas['m'] ='ℳ,₥,𝔐,ற,ᛖ'
emoji_letter_xmas['n'] ='ℕ,И,🅽,ŋ,ᾗ,₦'
emoji_letter_xmas['o'] ='🍪,❄️ '
emoji_letter_xmas['p'] ='₱,₱,₽,𝔭,ᚹ'
emoji_letter_xmas['q'] ='Ǭ,Ɋ,𝔮'
emoji_letter_xmas['r'] ='Ȑ,Ɽ,ℜ,ℛ,ᚱ'
emoji_letter_xmas['s'] ='⑀,ى' # small 💵?
emoji_letter_xmas['t'] ='✝️'
emoji_letter_xmas['u'] ='ᶙ'
emoji_letter_xmas['v'] ='♈'
emoji_letter_xmas['w'] ='〰️,₩,௰' # not like w on some systems: 🔱
emoji_letter_xmas['x'] ='✖,⤫,𝔛,྾,ᚸ' # 🙅♀️ is bad because sometimes displayed as '🙅♀️♀️' in ubuntu (broken grapheme clustering?)
emoji_letter_xmas['y'] ='¥,Ŷ,⑂,ℽ,Ỿ,Ӳ'
emoji_letter_xmas['z'] ='Ƶ,ʑ,ɀ,💤,ᶽ'
############################################################
# Emoji animal alphabet, works in english and german
# include the disputed in a hard version someday
# if you find animal emoji for the missing letters, please tell me on github (see also emoji_animals_sorted.txt)
emoji_animal={}
emoji_animal['a'] ='🐜'
emoji_animal['b'] ='🐻'
#emoji_animal['c'] ='©️,☪️,¢,℃,🂬,𝄴,ᆮ'
emoji_animal['d'] ='🐬,🐉'
emoji_animal['e'] ='🐘'
emoji_animal['f'] ='🐟,🦊'
emoji_animal['g'] ='🦒'
emoji_animal['h'] ='🐹'
#emoji_animal['i'] ='ℹ️,🕕,𝔦,⌶,ï,༐'
#emoji_animal['j'] ='⤴️,🕙,ɉ,ʝ,🃛,𝔧,ڸ'
emoji_animal['k'] ='🦘 ,🐨'
emoji_animal['l'] ='🦁'
# recognizable?
#🐆 Leopard
#🦙 Llama, everybody would say alpaka I guess :)
emoji_animal['m'] ='🐁'
#emoji_animal['n'] ='♑,ℕ,И,🅽,ŋ,ᾗ,₦'
emoji_animal['o'] ='🐙'
emoji_animal['p'] ='🦜 ,🦚 ,🐧,🐩'
#emoji_animal['q'] ='Ǭ,Ɋ,🂭,𝔮'
emoji_animal['r'] ='🐀'
# rat is hard to distinguish from a mouse but the rhino is also hard in german because most people say nashorn
# 🦏 Rhinoceros
emoji_animal['s'] ='🦂,🐌,🐍,🕷️,🦢'
emoji_animal['t'] ='🐅,🦖'
# is the T-Rex recognizable? or just a "dino"?
#emoji_animal['u'] ='ᶙ,⛎'
#emoji_animal['v'] ='♈,✌'
emoji_animal['w'] ='🐋,🐺'
# 🐃 Water Buffalo, nobody would get this in german
#emoji_animal['x'] ='❌,❎,⚒,🛠,⚔️,✖,⤫,𝔛,྾,ᚸ' # 🙅♀️ is bad because sometimes displayed as '🙅♀️♀️' in ubuntu (broken grapheme clustering?)
#emoji_animal['y'] ='¥,💴,Ŷ,⑂,ℽ,Ỿ,Ӳ'
emoji_animal['z'] ='🦓'
number_words={}
# number words have to be in the right order and start with 0
number_words['de'] = ['null', 'eins','zwei','drei','vier','fünf','sechs','sieben','acht','neun','zehn', 'elf', 'zwölf']
number_words['en'] = ['zero', 'one','two','three','four','five','six','seven','eight','nine','ten', 'eleven', 'twelve']
symbol_words = {}
# .!?:-+$
symbol_words['de.'] = 'Punkt'
symbol_words['de!'] = 'Ausrufezeichen'
symbol_words['de?'] = 'Fragezeichen'
symbol_words['de:'] = 'Doppelpunkt'
symbol_words['de-'] = 'Minus'
symbol_words['de+'] = 'Plus'
symbol_words['de$'] = 'Dollar'
symbol_words['en.'] = 'dot'
symbol_words['en!'] = 'exclamation mark'
symbol_words['en?'] = 'question mark'
symbol_words['en:'] = 'colon'
symbol_words['en-'] = 'minus'
symbol_words['en+'] = 'plus'
symbol_words['en$'] = 'dollar'
animals = {}
animals['en'] = [
'ape',
'bird',
'lion',
'elephant',
'beaver',
'bunny',
'tiger',
'squirrel',
'stegosaurus',
'shark',
'carp',
'swallow',
'parrot',
'swan',
'snake',
'wasp',
'dolphin',
'leopard',
'hippo',
'raven',
'frog',
'butterfly',
]
animals['de'] = [
'affe',
'vogel',
'löwe',
'elefant',
'biber',
'hase',
'tiger',
'eichhörnchen',
'stegosaurus',
'hai',
'karpfen',
'schwalbe',
'papagei',
'schwan',
'kreuzotter',
'biene',
'delfin',
'leopard',
'nilpferd',
'rabe',
'frosch',
'schmetterling',
]
# todo: do the same with emoji (avoid emoji which might have 2+ fitting words)
alphabet_words = {}
alphabet_words['en'] = [
'antelop',
'bug',
'computer',
'dolphin',
'empire',
'fish',
'goose',
'hobbit',
'internet',
'jogger',
'kangaroo',
'lumber',
'mars',
'nose',
'orange',
'perfect',
'queen',
'ring',
'sabre',
'tunnel',
'under',
'vampire',
'wardrobe',
'xylophon',
'yellow',
'zebra',
]
alphabet_words['de'] = [
'ameise',
'blödelt',
'computer',
'der',
'ehrlich',
'fällt',
'gestern',
'hatschi',
'in',
'jetzt',
'kommt',
'laut',
'mindestens',
'nase',
'oder',
'perfekt',
'quatsch',
'reichlich',
'schön',
'toll',
'und',
'verspielt',
'weil',
'xylophon',
'yak',
'zaubert',
]
dotted_alphabet= "Ȧȧ Ḃḃ Ċċ Ḋḋ Ėė Ḟḟ Ġġ Ḣḣ Ịị Ⓙⓙ Ḳḳ Ḷḷ Ṁṁ Ṅṅ Ȯȯ Ṗṗ Ⓠⓠ Ṙṙ Ṡṡ Ṫṫ Ụụ Ṿṿ Ẇẇ Ẋẋ Ẏẏ Żż"
alphabet= list("abcdefghijklmnopqrstuvwxyz")
# alternate chars: Ạạ Ḅḅ Ḍḍ Ẹẹ Ḥḥ Ṃṃ Ṇṇ O͘o͘ Ọọ Ṛṛ Ṣṣ Ṭṭ Ẉẉ X̣x̣ Ỵỵ Ẓẓ
dotted_pairs = dotted_alphabet.split(' ')
dotted_char={}
for dotted_pair in dotted_pairs:
char = alphabet.pop(0)
upper = dotted_pair[0]
lower = dotted_pair[1]
# append a space after j and q because of wrong spacing (at least on the ubuntu terminal)
if char == 'j' or char == 'q':
append_space = ' '
else:
append_space = ''
dotted_char[char.upper()] = upper + append_space
dotted_char[char] = lower + append_space
def insert_noise(intext, language, grade=1, noise_type="", noise_chars=""):
# e.g. top secret => tRÖNFoRÖNFpRÖNFsRÖNFeRÖNFcRÖNFrRÖNFeRÖNFtRÖNF
outtext=""
hint=""
#if grade > 2:
# remove whitespace
#intext=intext.replace(' ', '')
for char in intext:
if char == ' ':
outtext = outtext + ' '
else:
outtext = outtext + char + get_noise(language, grade, noise_type, noise_chars)
return outtext, hint
def get_noise(language, grade, noise_type="", noise_chars=""):
noise=''
if noise_type == 'numberwords':
noise = number_words[language][random.randrange(len(number_words[language])-1)]
elif noise_type == 'numbers':
noise = str(random.randrange(99))
elif noise_type == 'specialchars':
choice=';:_-,.+*#!%&/()[]=|<>'
noise = choice[random.randrange(len(choice))]
elif noise_type == 'currency_symbols':
# chars which look very similar to normal chars
choice='$€¥₳₩₰₮₪฿￡₱￠₣₲₭Ł₥₴'
noise = choice[random.randrange(len(choice))]
elif noise_type == 'animals':
noise = animals[language][random.randrange(len(animals[language])-1)]
elif noise_chars:
noise = noise_chars
else:
# if neither noise_type nor noise_chars is defined, pick something according to grade
if grade == 1:
noise = get_noise(language,grade, 'specialchars')
elif grade == 2:
noise="RÖNF"
elif grade == 3:
noise = get_noise(language,grade, 'numbers')
elif grade == 4 or grade == 5:
noise="rönf"
elif grade == 6:
noise = get_noise(language,grade, 'animals')
elif grade < 9:
# number words are harder because they're shorter
noise = get_noise(language,grade, 'numberwords')
elif grade < 11 :
# mix of animals and numbers
if random.randrange(2) == 1:
noise = get_noise(language,grade, 'numberwords')
else:
noise = get_noise(language,grade, 'animals')
else:
# mix of animals, numbers, ...
dice = random.randrange(3)
if dice == 0:
noise = get_noise(language,grade, 'numberwords')
elif dice == 1:
noise = get_noise(language,grade, 'animals')
else:
noise = get_noise(language,grade, 'currency_symbols')
return noise
def randomize_middle_of_words(intext, language, grade=1):
# top secret => top screet, top sercet, ...
outtext=""
hint=""
words=intext.split()
for word in words:
rword = randomize_middle_of_one_word(word, grade)
outtext = outtext + rword + ' '
return outtext.rstrip(' '), hint
def randomize_middle_of_one_word(word, grade):
rword=""
count=0
# don't start for words with 3 chars because it won't change
if len(word) > 3:
# repeat if rword by random chance equals word
# have a maximum of count iterations to avoid endless loops on words with equal chars in the middle like "tool" or "wooooot"
while (word == rword or not rword) and count < 10:
count += 1
chars=list(word)
rword=chars.pop(0)
# keep chars in beginning of word intact depending on word length and grade
if grade < 4:
rword += chars.pop(0)
if len(chars) > 7:
rword += chars.pop(0)
if len(chars) > 9:
rword += chars.pop(0)
if len(chars) > 11:
rword += chars.pop(0)
# for German and Finnish :)
if len(chars) > 12:
rword += chars.pop(0)
if grade < 8 and len(chars) > 8:
rword += chars.pop(0)
while len(chars) > 1:
rword += chars.pop(random.randrange(len(chars)-1))
rword = rword + chars[0]
return rword
else:
return word
def upside_down(text, language, grade, upside_down_rate=0):
# top secret => doʇ ʇǝɹɔǝs
# todo: keep punctuation marks in place? at the moment it's dOʇ ¡⊥ǝᴚɔƎs, would dOʇ ⊥ǝᴚɔƎs¡ be better/easier for lower grades? (code in shift_words)
if grade == 1:
upside_down_rate = 1
else:
upside_down_rate = 2
#print(grade, upside_down_rate)
# todo: fix upstream (but that might need some time, until it's in pypi)
# workaround for chars not properly displayed on QR reader of iOS 13.4.1 (works also fine on android 8.1.0 patchlevel april 2020)
text = text.replace('Ü', 'ü') # lowercase ü works (introduce orthographic errors!!! ;)
# Q => Ꝺ doesn't work on iOS but didn't find a good replacement yet
text = text.replace('Q', 'q') # lowercase q works (introduce orthographic errors!!! ;)
words=text.split()
count=0
outtext=""
hint=""
for word in words:
count += 1
if grade > 4:
word, hint = insert_noise(word, language, 1)
if count/upside_down_rate == int(count/upside_down_rate):
rword = upsidedown.transform(word)
else:
rword= word
outtext = outtext + rword + " "
#print(rword, end=" ")
# todo: fix upstream (but that might need some time, until it's in pypi)
# workaround for chars not properly displayed on QR reader of iOS 13.4.1
outtext = outtext.replace('ꞁ', '|') # l
outtext = outtext.replace('Ꞁ', '˥') # L
# nicer k
outtext = outtext.replace('⋊', 'ʞ') # k
outtext += " 🙃 "
return outtext, hint
def repl(x):
replacements.append(x.group(1))
return ''
def reichify(wort, grade):
wort_org=wort
# remove punctuation marks (and restore them later)
#replacements = []
wort_org = re.sub('([\.,:;])$', repl, wort_org)
# aber => aba
if len(wort_org) > 3:
wort = re.sub('er$', 'a', wort)
if 'tzt' in wort_org:
wort = wort.replace('tzt','ts')
elif 'tz' in wort_org:
wort = wort.replace('tz','ts')
# dehnungs-h raus
if 'hm' in wort_org and not 'chm' in wort_org:
wort = wort.replace('hm','m')
if 'hn' in wort_org and not 'chn' in wort_org:
wort = wort.replace('hn','n')
if 'hr' in wort_org and not 'chr' in wort_org:
wort = wort.replace('hr','r')
if 'hl' in wort_org and not 'chl' in wort_org:
wort = wort.replace('hl','l')
if 'ht' in wort_org and not 'cht' in wort_org:
wort = wort.replace('ht','t')
if grade > 2:
if 'sch' in wort_org:
wort = wort.replace('sch','ch')
elif 'ch' in wort_org:
wort = wort.replace('ch','sch')
if 'ie' in wort_org:
wort = wort.replace('ie','i')
if 'ei' in wort_org:
wort = wort.replace('ei','ai')
elif 'ai' in wort_org:
wort = wort.replace('ai','ei')
elif 'e' in wort_org:
wort = wort.replace('e','ä', 1)
if grade > 4:
if 'äu' in wort_org:
würfel=random.randint(1,6)
if würfel < 3:
wort = wort.replace('äu','oi')
elif würfel > 4:
wort = wort.replace('äu','eu')
else:
wort = wort.replace('äu','öj')
elif 'ä' in wort_org:
wort = wort.replace('ä','e')
if grade > 2:
# doppelte raus
wort = re.sub('(.)\\1', '\\1', wort)
if 'ck' in wort_org:
wort = wort.replace('ck','k')
if grade > 5:
if 'b' in wort_org:
wort = wort.replace('b','p')
elif 'p' in wort_org:
wort = wort.replace('p','b')
if grade > 3:
if 'st' in wort_org:
wort = wort.replace('st','schd')
elif 't' in wort_org:
wort = wort.replace('t','d')
# d in artikeln lassen
elif 'd' in wort_org and (len(wort_org) > 3 or re.search('d$', wort_org)):
wort = wort.replace('d','t', 1)
if grade > 2:
if 'g' in wort_org:
wort = wort.replace('g','k')
elif 'k' in wort_org:
wort = wort.replace('k','g')
if 'qu' in wort_org:
wort = wort.replace('qu','kw')
if 'v' in wort_org:
wort = wort.replace('v','f')
elif 'f' in wort_org:
wort = wort.replace('f','v')
if 'y' in wort_org:
wort = wort.replace('y','i')
wort = re.sub('x', 'ks', wort)
# fvb spezial
if wort_org == 'baby':
wort = 'bebi'
# großschreibung zufällig
if random.randint(1,6) == 1:
wort = wort.title()
if replacements:
wort = wort + replacements.pop()
return wort
def lässn_tursch_chraipen(intext, language, grade):
# special German encryption, ignore if you're not from Germany ;)
# streng geheim => schdränk Kehaim
# list for use in repl function in re.sub later
global replacements
replacements = []
wörter=intext.lower().split(' ')
outtext=""
hint=""
for wort in wörter:
reichen_wort = reichify(wort, grade)
outtext = outtext + reichen_wort + ' '
return outtext.rstrip(' '), hint
def leet(text, language, grade):
hint=""
text = text.replace('o','0')
text = text.replace('O','0')
text = text.replace('s','$')
text = text.replace('E','€')
text = text.replace('i','1')
if grade > 3:
text = text.replace('f','ph')
text = text.replace('a','@')
text = text.replace('e','3')
return text, hint
def wrong_whitespace(intext, language, grade):
# top secret => to pse cret
if grade > 5:
# make it harder by mirroring the words (at grade 1)
intext, hint = mirror_words(intext, language, 1)
words=intext.split()
outtext=""
hint=""
for word in words:
if grade == 1:
# uppercase original first char to make it easier
word=word.title()
if grade == 1:
# just remove spaces, don't insert wrong ones
# top secret => topsecret
outtext += word
else:
if len(word) == 1:
outtext += word
elif len(word) == 2:
outtext += word[0] + ' ' + word[1]
else:
cut = 1 + random.randrange(len(word)-1)
outtext += word[:cut]
outtext +=' '
if grade > 4:
# uppsercase wrong first chars of words for additional confusion
# top secret => to Pse Cret
outtext += word[cut:].title()
else:
outtext += word[cut:]
return outtext, hint
def mirror_words(intext, language, grade):
# top secret => pot terces
words=intext.split()
outtext=""
hint=""
for word in words:
outtext += word[::-1] + ' '
if grade > 5:
# insert noise with reduced grade
outtext, hint = insert_noise(outtext, language, grade -5)
return outtext.rstrip(' '), hint
def shift_words(intext, language, grade):
# top secret => pto ecrets
words=intext.split()
outtext=""
hint=""
# list for use in repl function in re.sub later
global replacements
replacements = []
for word in words:
# store punctuation marks in replacements to avoid also shifting them, will be appended in the end
word = re.sub('([\.,:;!?])$', repl, word)
if grade < 3:
outtext += word[1:] + word[0]
else:
outtext += word[2:] + word[0:2]
if replacements:
outtext += replacements.pop()
outtext += ' '
outtext = outtext.rstrip(' ')
# make harder
if grade > 4:
outtext, hint_dummy = camelcase(outtext, language, 1)
if grade > 7:
# insert noise with reduced grade
outtext, hint = insert_noise(outtext, language, grade -7 )
return outtext, hint
def camelcase(intext, language, grade):
# top secret => tOp sEcReT
outtext=""
hint=""
up=0
for char in intext:
if up == 1:
up=0
outtext += char.upper()
else:
up=1
outtext += char.lower()
return outtext.rstrip(' '), hint
def get_textfile(language):
if language == 'de':
# TODO: fix dirs for direct & lib from euli
textfile = 'data/unfug'
#textfile = 'crypto_puzzles/data/unfug'
elif language == 'en':
textfile = 'data/platitudes'
#textfile = 'crypto_puzzles/data/platitudes'
else:
print("sorry, other languages not supported yet in uppercase_chars_in_text")
sys.exit()
return textfile
def get_jokes(language):
textfile = get_textfile(language)
jokes = []
buffer=""
try:
with open(textfile, 'r') as file:
lines = file.read().splitlines()
except Exception as e:
print(f"unable to read textfile: {textfile} - error: {e} - language: {language}")
sys.exit()
for line in lines:
# regex is to avoid names under quotes because they're too hard to spot errors for misspelling_in_text()
if line and ( line[0] == '#' or re.search(r'\s\s-- ', line )):
pass
elif line == '%':
jokes.append(buffer)
buffer=""
else:
buffer += line + "\n"
return jokes
def next_char(intext_chars):
# all chars of intext done?
if not len(intext_chars):
done=True
char=''
else:
done=False
char = intext_chars.pop(0)
return char, intext_chars, done
def misspelling_in_text(intext, language, grade):
# only misspelled chars (the real chars which would be there without the error) in random text contain message:
# top secret => Xhe rfof was very jlain with frelh ...
# replace 1,2, ... with one, two, ...
intext = convert_num_to_number_words(intext, language)
intext = convert_symbols_to_words(intext, language)
jokes = []
jokes = get_jokes(language)
outtext=""
hint=""
up=0
# for the low grades replace with char which should mostly be easy to spot as an error.
if language == 'en':
replace_chars=list("qxvzwjpc")
elif language == 'de':
replace_chars=list("qxvzwjpcy")
else:
replace_chars=list("qxvzwjpc")
if grade >= 8:
replace_chars=list("abcdefghijklmnopqrstuvwxyz")
done=False
intext_chars = list(intext)
char, intext_chars, done = next_char(intext_chars)
while not done:
joke = random.choice(jokes)
if char in dotted_char:
while char not in joke:
joke = random.choice(jokes)
else:
outtext += char + '\n'
outtext += "------------------------------\n"
char, intext_chars, done = next_char(intext_chars)
continue
finish_this_one=False
keep_correct = 0
for joke_char in joke:
# avoid misspellings directly one after another, because that would be impossible to figure out, especially if randomly the same common word like e.g. and, or, the, ... would be in ciphertext and joke
if keep_correct:
outtext += joke_char
# countdown until 0
keep_correct -= 1
elif done or finish_this_one:
# all characters in, just append rest of joke
outtext += joke_char
elif joke_char == char:
replacement_char = ''
while len(replacement_char) != 1:
replacement_char = random.choice(replace_chars)
if grade < 10:
# avoid replacing a vowel with a vowel because the probability is to high to change to another existing word which then can't be spotted as an error, e.g. post => past
# grades 10+ could figure it out from the nonsense word in the context or just guess the missing char
if char in vowels and replacement_char in vowels:
replacement_char = ''
# if original char was uppercase then also uppercase replaced char
if char.upper() == char:
replacement_char = replacement_char.upper()
outtext += replacement_char
keep_correct = max_grade + 1 - grade
char, intext_chars, done = next_char(intext_chars)
if char not in dotted_char:
finish_this_one=True
else: