def main():
if op == 'freq':
exec_freqs()
elif op == 'enc':
vig.exec_encrypt()
elif op == 'dec':
vig.exec_decrypt()
elif op == 'af':
enc = read(argv[2])
freqs = read_freqs(argv[3])
alph = read(argv[4])
length = int(argv[5])
keys = attack_text(enc, freqs, alph, length)
write('keys.txt', '\n'.join(keys))
elif op == 'brute':
vig.exec_brute()
elif op == 'freqw':
text = '\n'.join(map(lambda arg: read(arg).lower(), argv[2:]))
freqs = frequencies_words(text)
freqs = map(lambda pair: '{} : {:.4f}'.format(*pair), freqs)
write('words.txt', '\n'.join(freqs))
elif op == 'aw':
enc = read(argv[2])
alph = read(argv[3])
length = int(argv[4])
word = argv[5]
if not all(c in alph for c in word):
print('ОШИБКА: все символы слова должны быть в алфавите')
exit(1)
attack_word(enc, alph, length, word)
else:
print_wrong_op()
def main():
if op == 'enc':
vig.exec_encrypt()
elif op == 'dec':
vig.exec_decrypt()
elif op == 'h0':
text = read(argv[2]).lower()
alph = read(argv[3])
freqs, h0 = get_h0(text, alph)
write_freqs('f.txt', freqs)
write_freqs('h0.txt', h0)
elif op == 'hd':
enc = read(argv[2])
h0 = read_freqs(argv[3])
alph = ''.join(map(lambda h0i: h0i[0], h0))
n1 = int(argv[4])
n2 = int(argv[5])
hds = [get_hd(enc, alph, d) for d in range(n1, n2 + 1)]
n_min, dist_min = None, 1
for idx, hd in enumerate(hds):
dist = get_distance(list(map(lambda xi: float(xi[1]), h0)),
list(map(lambda yi: yi[1], hd)))
if dist < dist_min:
n_min, dist_min = n1 + idx, dist
print(n1 + idx, ':', dist)
print('Наименьшее расстояние до H0 при d =', n_min)
else:
print_wrong_op()
def main():
if op == 'enc':
vig.exec_encrypt()
elif op == 'dec':
vig.exec_decrypt()
elif op == 'freq':
exec_freqs()
elif op == 'attack':
enc = read(argv[2])
alph = read(argv[3])
freqs = read_freqs(argv[4])
length = int(argv[5])
keys = attack(enc, freqs, alph, length)
write('keys.txt', '\n'.join(keys))
elif op == 'brute':
vig.exec_brute()
else:
print_wrong_op()
def main():
if op == 'enc':
vig.exec_encrypt()
elif op == 'dec':
vig.exec_decrypt()
elif op == 'bi':
text = read(argv[2]).lower()
alph = read(argv[3])
write('bi.txt', '\n'.join(str_freqs_bigrams(text, alph)))
elif op == 'attack':
enc = read(argv[2])
alph = read(argv[3])
bi = read(argv[4]).split('\n')
bi = [[float(el) for el in row.split(' ')] for row in bi]
length = int(argv[5])
key = attack(enc, alph, bi, length)
print('Вычисленный ключ:', key)
write('keys.txt', key)
else:
print_wrong_op()
def main():
if op == 'gen':
alph, length = read(argv[2]), int(argv[3])
seq = ''.join(choice(alph) for _ in range(length))
write(argv[4], seq)
elif op == 'eindex':
seq1, seq2 = read(argv[2]), read(argv[3])
eindex = get_eindex(seq1, seq2, verbose=True)
print('Индекс вопадения x 100 : {:.2f}'.format(eindex))
elif op == 'meindex':
seq1, seq2 = read(argv[2]), read(argv[3])
alph = read(argv[4])
meindex = get_meindex(seq1, seq2, alph, verbose=True)
print('Средний индекс совпадения x 100 : {:.2f}'.format(meindex))
elif op == 'enc':
vig.exec_encrypt()
elif op == 'dec':
vig.exec_decrypt()
elif op == 'analyze':
enc = read(argv[2])
analyze_shifts(enc)
else:
print_wrong_op()