188 http://inventwithpython.com/hacking

Email questions to the author: [email protected]

6. def main():


7. 
   

   You might want to copy & paste this text from the source code at

   
   


8. 
   

   http://invpy.com/transpositionHacker.py

   
   


9. myMessage = """Cb b rssti aieih rooaopbrtnsceee er es no npfgcwu plri
   ch nitaalr eiuengiteehb(e1 hilincegeoamn fubehgtarndcstudmd nM eu eacBoltaetee
   oinebcdkyremdteghn.aa2r81a condari fmps" tad l t oisn sit u1rnd stara nvhn fs
   edbh ee,n e necrg6 8nmisv l nc muiftegiitm tutmg cm shSs9fcie ebintcaets h a
   ihda cctrhe ele 1O7 aaoem waoaatdahretnhechaopnooeapece9etfncdbgsoeb uuteitgna.
   rteoh add e,D7c1Etnpneehtn beete" evecoal lsfmcrl iu1cifgo ai. sl1rchdnheev sh
   meBd ies e9t)nh,htcnoecplrrh ,ide hmtlme. pheaLem,toeinfgn t e9yce da' eN eMp a
   ffn Fc1o ge eohg dere.eec s nfap yox hla yon. lnrnsreaBoa t,e eitsw il ulpbdofg
   BRe bwlmprraio po droB wtinue r Pieno nc ayieeto'lulcih sfnc ownaSserbereiaSm

• eaiah, nnrttgcC maciiritvledastinideI nn rms iehn tsigaBmuoetcetias rn"""

10. 
    


11. hackedMessage = hackTransposition(myMessage)


12. 
    


13. if hackedMessage == None:


14. print('Failed to hack encryption.')


15. else:


16. print('Copying hacked message to clipboard:')


17. print(hackedMessage)


18. pyperclip.copy(hackedMessage)


19. 
    


20. 
    


21. def hackTransposition(message):


22. print('Hacking...')


23. 
    


24. 
    

    Python programs can be stopped at any time by pressing Ctrl-C (on

    
    


25. 
    

    Windows) or Ctrl-D (on Mac and Linux)

    
    


26. print('(Press Ctrl-C or Ctrl-D to quit at any time.)')


27. 
    


28. 
    

    brute-force by looping through every possible key

    
    


29. for key in range(1, len(message)):


30. print('Trying key #%s...' % (key))


31. 
    


32. decryptedText = transpositionDecrypt.decryptMessage(key, message)


33. 
    


34. if detectEnglish.isEnglish(decryptedText):


35. 
    

    Check with user to see if the decrypted key has been found.

    
    


36. print()


37. print('Possible encryption hack:')


38. print('Key %s: %s' % (key, decryptedText[:100]))


39. print()


40. print('Enter D for done, or just press Enter to continue
    hacking:')


41. response = input('> ')