bandit11@bandit:~$ python
Python 2.7.13 (default, Sep 26 2018, 18:42:22)
[GCC 6.3.0 20170516] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import codecs
>>> codecs.decode("Gur cnffjbeq vf 5Gr8L4qetPEsPk8htqjhRK8XSP6x2RHh", "rot_13")
u'The password is passwordBandit12'
Online
Script
# coding=utf-8
# caesar cipher 2 - picoCTF2018
# Inspiré de: https://www.tutorialspoint.com/cryptography_with_python/cryptography_with_python_caesar_cipher
message = 'PICO#4&[C!ESA2?#I0H%R3?JU34?A2%N4?S%C5R%]' #encrypted message
characters = list(map(chr, range(32,126)))
LETTERS = ''.join(characters)
for key in range(len(LETTERS)):
translated = ''
for symbol in message:
if symbol in LETTERS:
num = LETTERS.find(symbol)
num = num - key
if num < 0:
num = num + len(LETTERS)
translated = translated + LETTERS[num]
else:
translated = translated + symbol
print('key #%s: %s' % (key, translated))
