def test_decrypt(self):
cipher = Vigenere()
cipher_text = "eylzkbzvpgwfafroeujhkgvlctwjlfvwtdzacvchkedhncxupmeajucdcgmscs"
open_text = cipher.decrypt(cipher_text, "password")
expected = "pythonisageneralpurposeinterpretedhighlevelprogramminglanguage"
self.assertEqual(open_text, expected)
self.assertEqual(cipher.decrypt("", "a"), "")
def test_cs_crack(self):
cipher = Vigenere()
cracker = VigenereBruteForce()
open_text = normalize_text(
"jasynpoklopurozzurendosilenstvivodarnusrovnamsezemijmenemmistrukanvodstvijamatkuvlastnivsakkdovizdaprokouknutoumelnikolivjakpribuznismrtlidemzvodarnysmrtivrchnizradkynijenslavumistrumzcistirnytedvidisotcecozzenstinytveuzralouzjetotadybratretyslezlzradcumdozadkujensedobrepodivejcostvojijimkouprovedlimusimedrzetpospoluatuznenimarnesnazenivejmenusatanarozpoutejmepeklouzsevmychpredstavachrodisedevyjevykrasnemodrenadrzecimtakrychlecernajinenitonahodouodpadnivodamrtverybynahazimedovodarenskychobjektuuznehodlamdalnaslouchattemvodarenskymblabolumsedekrysysezerouzbytkyvodarenskychkonstrukcipredpovidamvecnouskazuvodarenskemafiitakjakodavnopredcasemjsmesvatouchatrutopilystejnykonecpripravimepodvodnikumzvodarnynelzeveritnikomukdomatlamuplnoucistotyvsechnytyhlebestiecekavodazestokysmrtlidemzvodarnysmrtivrchnizradkynijenslavumistrumzcistirnyzevsechstrannavodarnusilaspinyutocizhorastavbydrtizeleznemepoklopydokristalovevodytecoucistirenskesplaskysabotaztospachanavejmenusedepravdy"
)
key = "qwasd"
cipher_text = cipher.encrypt(open_text, key)
langmodel = LangModel(get_lang_path('cs'))
cracked_key = cracker.crack(cipher_text, LanguageStats(langmodel))
self.assertEqual(cracked_key, key)
def test_encrypt(self):
cipher = Vigenere()
open_text = normalize_text("Python is a general-purpose, interpreted high-level programming language")
cipher_text = cipher.encrypt(open_text, "a")
self.assertEqual(cipher_text, open_text)
cipher_text = cipher.encrypt(open_text, "bc")
expected = "qaujppjubifpftbnqwsrpufkovftqtfvffikhjmgwgmrsqhtbonkoimcoivchg"
self.assertEqual(cipher_text, expected)
cipher_text = cipher.encrypt(open_text, "password")
expected = "eylzkbzvpgwfafroeujhkgvlctwjlfvwtdzacvchkedhncxupmeajucdcgmscs"
self.assertEqual(cipher_text, expected)
self.assertEqual(cipher.encrypt("", "a"), "")
def __init__(self):
super(VigenereBruteForce, self).__init__()
self.max_key_len = 10
self.caesar_cracker = TriangleAttack()
self.vigenere = Vigenere()
