Hacking Secret Ciphers with Python

Chapter 21 – Hacking the Vigenère Cipher 341 For the second step of getMostCommonFactors(), we need to sort the values in the fa ...

342 http://inventwithpython.com/hacking Email questions to the author: [email protected] The extend() List Method The exte ...

Chapter 21 – Hacking the Vigenère Cipher 343 Line 118 starts with an empty dictionary in seqFactors. The for loop on line 119 it ...

344 http://inventwithpython.com/hacking Email questions to the author: [email protected] After this for loop completes, th ...

Chapter 21 – Hacking the Vigenère Cipher 345 After this loop finishes, the code on line 152 joins the single-letter string value ...

346 http://inventwithpython.com/hacking Email questions to the author: [email protected] The letters of the Nth subkey are ...

Chapter 21 – Hacking the Vigenère Cipher 347 passing the function value getItemAtIndexOne (not calling the function: note the la ...

348 http://inventwithpython.com/hacking Email questions to the author: [email protected] At this point, the user might wan ...

Chapter 21 – Hacking the Vigenère Cipher 349 As you can see, by passing 'ABC' and the integer 4 for the repeat keyword argument, ...

350 http://inventwithpython.com/hacking Email questions to the author: [email protected] Table 21-4. Value of indexes on e ...

Chapter 21 – Hacking the Vigenère Cipher 351 decryptedText = ''.join(origCase) Now that we have a complete Vigenère key, lines ...

352 http://inventwithpython.com/hacking Email questions to the author: [email protected] Otherwise, after the for loop on ...

Chapter 21 – Hacking the Vigenère Cipher 353 vigenereHacker.py 240. # If none of the key lengths we found using Kasiski Examinat ...

354 http://inventwithpython.com/hacking Email questions to the author: [email protected] That’s the full Vigenère hacking ...

Chapter 21 – Hacking the Vigenère Cipher 355 vigenereHacker.py SILENT_MODE = False # if set to True, program doesn't print atte ...

356 http://inventwithpython.com/hacking Email questions to the author: [email protected] THE ONE-TIME PAD CIPHER Topics Co ...

Chapter 22 – The One-Time Pad Cipher 357 The Unbreakable One-Time Pad Cipher There is one cipher that is impossible to crack, no ...

358 http://inventwithpython.com/hacking Email questions to the author: [email protected] But it turns out that even if she ...

Chapter 22 – The One-Time Pad Cipher 359 know that if a key decrypts the first ciphertext to readable English, but that same key ...

360 http://inventwithpython.com/hacking Email questions to the author: [email protected] This is why we don’t need to writ ...