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dnkrypt.py
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dnkrypt.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#Author: Nick Mantas
import os, sys ,binascii ,time, re
import morse, caesar
print('''
8 o o o o o
8 8b 8 8 .P 8
.oPYo8 8`b 8 o8ob' oPYo. o o .oPYo. o8P
8 8 8 `b 8 8 `b 8 `' 8 8 8 8 8
8 8 8 `b8 8 8 8 8 8 8 8 8
`YooP' 8 `8 8 8 8 `YooP8 8YooP' 8
:.....:..:::..:..::....:::::....8 8 ....:::..:
:::::::::::::::::::::::::::::ooP'.8 ::::::::::
:::::::::::::::::::::::::::::...::..::::::::::
Version 1.0
Perform simple cryptanalysis tasks: ''' )
def Menu():
print ('''1) Find & Replace (fr)
2) Binary to Text/ Text to Binary (bt)
3) Morse Code (m)
4) Caesar Cipher (c)
Press E to Exit
''')
action = raw_input('Enter mode code: ')
print
while action !='fr' or action != 'b2t'or action != 't2b:' or action != 'E':
if action == 'fr':
d = FindNReplace()
print
d = Menu()
break
elif action == 'bt':
d = BinaryText()
print
d = Menu()
break
elif action == 'm':
d = Morsey()
print
d = Menu()
break
elif action == 'c':
d = Caesar()
print
d = Menu()
break
elif action == 'E':
print 'Exiting %s' %u'\u23f3'
break
else:
print '''%s Please insert correct option!
''' % u'\u26a0'
d = Menu()
break
def FindNReplace():
def multiple_replace(text, adict):
rx = re.compile('|'.join(map(re.escape, adict)))
def one_xlat(match):
return adict[match.group(0)]
return rx.sub(one_xlat, text)
aloc ={}
nal = int(raw_input('Enter number of transpositions: '))
text = raw_input('Enter the text : ').lower()
print
for i in range(nal):
what = raw_input('Find :')
wwith = raw_input('Replace with :')
print
aloc.setdefault(what,wwith)
new = multiple_replace(text,aloc)
print new
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
def BinaryText():
print'''1)Binary to Text Conversion (b2t)
2)Text to Binary Conversion (t2b)
'''
mode = raw_input('Enter mode code: ')
while mode != 'b2t' or mode !='t2b':
if mode =='b2t':
i = 0
text = raw_input('Enter binary sequence : ')
new = ''
while i < len(text):
tmp = text[i:8+i]
tmp = chr(int(tmp,2))
new += tmp
i += 8
print new
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
elif mode =='t2b':
text = raw_input('Enter the text : ').lower()
new = ''
for i in range(len(text)):
tmp = bin(ord(text[i]))[2:]
new += (8-len(tmp)) * '0' + tmp
print new
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
else:
print '''%s Please insert correct option!
''' % u'\u26a0'
BinaryText()
break
def Morsey():
print'''1)Encode (en)
2)Decode (de)
'''
mode = raw_input('Enter mode code: ')
while mode != 'en' or mode != 'de':
if mode == 'en':
text = raw_input('Enter the message to encode: ')
new = morse.encode(text)
print new.lower()
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
elif mode == 'de':
text = raw_input('Enter the message to decode: ')
new = morse.decode(text)
print new.lower()
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
else:
print '''%s Please insert correct option!
''' % u'\u26a0'
Morsey()
break
def Caesar():
print'''1)Encrypt (en)
2)Decrypt (de)
'''
mode = raw_input('Enter mode code: ')
while mode != 'en' or mode != 'de':
if mode == 'en':
text = raw_input('Enter the message to encrypt: ')
key = int(raw_input('Enter the key to encrypt: '))
new = caesar.encrypt(text,key)
print new
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
elif mode == 'de':
text = raw_input('Enter the ciphertext to decrypt: ')
key = int(raw_input('Enter the key to decrypt: '))
new = caesar.decrypt(text,key)
print new
sv = raw_input('Do you want to save analysis? (Y/n) ')
while sv != 'Y' or sv != 'n':
if sv == 'Y':
Save(text,new)
break
elif sv == 'n':
break
else:
sv = raw_input('Please insert correct option: ')
break
else:
print '''%s Please insert correct option!
''' % u'\u26a0'
Morsey()
break
def Save(text, analysed):
name = raw_input('Export to file: ')+'.txt'
text_file = open(name,'a')
text_file.write('''Input:
%s
''' % text)
text_file.write('''Result after analysis:
%s
''' % analysed)
text_file.close()
print 'Saved',u'\u2713'
init = Menu()