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detect_aes_in_ecb_mode.py (487B)

      1 from sets import Set
      2 
      3 file = open('files/8.txt').read().splitlines()
      4 
      5 for ciphertext in file:
      6     charlist = [0 for x in range(256)]
      7 
      8     for char in ciphertext.decode("hex"):
      9         charlist[ord(char)] += 1
     10 
     11     for char in charlist:
     12         if char > 5:
     13             print ciphertext
     14             break
     15 
     16 for ciphertext in file:
     17     split_cipher = [ciphertext[i:i + 32] for i in range(0, len(ciphertext), 32)]
     18     if len(split_cipher) != len(Set(split_cipher)):
     19         print ciphertext