def AutokeyBF(ctext, dictionary, ch, ch2):
if ch == 'True':
f = open(dictionary, 'r')
keys = f.readlines()
print('\033[1;34m[*]\033[0m Starting Brute Force Attack...')
for i in keys:
try:
out = Autokey(i[:-1]).decipher(ctext)
if ch2 in out:
print('\033[1;32m[+]\033[0m Key = ' + i[:-1] +
' ; Out = ' + out)
break
exit()
print('\033[1;34m[*]\033[0m Key = ' + i[:-1] + ' ; Out = ' +
out)
except:
print('\033[1;34m[*]\033[0m Key = ' + i[:-1] +
' ; Err.: KeyError')
else:
f = open(dictionary, 'r')
keys = f.readlines()
for i in keys:
try:
out = Autokey(i[:-1]).decipher(ctext)
print('\033[1;34m[*]\033[0m Key = ' + i[:-1] + ' ; Out = ' +
out)
except:
print('\033[1;34m[*]\033[0m Key = ' + i[:-1] +
' ; Err.: KeyError')
print('\033[1;32m[+]\033[0m Brute Force finished.')
def AutokeyCracker(ctext, q1gram, t1gram):
qgram = ngram_score(q1gram)
trigram = ngram_score(t1gram)
ctext = re.sub(r'[^A-Z]', '', ctext.upper())
class nbest(object):
def __init__(self, N=1000):
self.store = []
self.N = N
def add(self, item):
self.store.append(item)
self.store.sort(reverse=True)
self.store = self.store[:self.N]
def __getitem__(self, k):
return self.store[k]
def __len__(self):
return len(self.store)
N = 100
for KLEN in range(3, 20):
rec = nbest(N)
for i in permutations('ABCDEFGHIJKLMNOPQRSTUVWXYZ', 3):
key = ''.join(i) + 'A' * (KLEN - len(i))
pt = Autokey(key).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += trigram.score(pt[j:j + 3])
rec.add((score, ''.join(i), pt[:30]))
next_rec = nbest(N)
for i in range(0, KLEN - 3):
for k in xrange(N):
for c in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
key = rec[k][1] + c
fullkey = key + 'A' * (KLEN - len(key))
pt = Autokey(fullkey).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += qgram.score(pt[j:j + len(key)])
next_rec.add((score, key, pt[:30]))
rec = next_rec
next_rec = nbest(N)
bestkey = rec[0][1]
pt = Autokey(bestkey).decipher(ctext)
bestscore = qgram.score(pt)
for i in range(N):
pt = Autokey(rec[i][1]).decipher(ctext)
score = qgram.score(pt)
if score > bestscore:
bestkey = rec[i][1]
bestscore = score
print('\033[1;34m[*]\033[0m Score = ' + str(bestscore) +
' ; Iteration = ' + str(KLEN) + ' ; Key = ' + bestkey +
' ; Out = ' + Autokey(bestkey).decipher(ctext))
def test_encipher(self):
keys = ('GERMAN', 'CIPHERS')
plaintext = ('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz')
ciphertext = ('gftpesgikmoqsuwyacegikmoqsuwyacegikmoqsuwyacegikmoqs',
'cjrkiwyhjlnprtvxzbdfhjlnprtvxzbdfhjlnprtvxzbdfhjlnpr')
for i, key in enumerate(keys):
enc = Autokey(key).encipher(plaintext[i])
self.assertEqual(enc.upper(), ciphertext[i].upper())
def test_encipher(self):
keys = ('GERMAN',
'CIPHERS')
plaintext = ('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz')
ciphertext = ('gftpesgikmoqsuwyacegikmoqsuwyacegikmoqsuwyacegikmoqs',
'cjrkiwyhjlnprtvxzbdfhjlnprtvxzbdfhjlnprtvxzbdfhjlnpr')
for i,key in enumerate(keys):
enc = Autokey(key).encipher(plaintext[i])
self.assertEqual(enc.upper(), ciphertext[i].upper())
def vigenere(request):
if request.method == 'POST':
key = request.POST['key']
input = request.POST['input']
type1 = request.POST['type']
output = ""
if key == '0':
output = "请输入Key??"
return HttpResponse(output)
if type1 == "ve":
output = Vigenere(key).encipher(input)
elif type1 == "vd":
output = Vigenere(key).decipher(input)
elif type1 == "ae":
output = Autokey(key).encipher(input)
elif type1 == "ad":
output = Autokey(key).decipher(input)
else:
output = "客官您是什么操作呀？？"
return HttpResponse(output)
else:
return render(request, 'vigenere.html')
def Decrypt_AutoKey():
inputMessage = ""
key = ""
finalMessage = ""
output_2.delete('1.0', END)
inputMessage = output.get("1.0", END)
Key = inputKeyBox.get()
if inputMessage == "" or Key == "":
messagebox.showinfo('Input Error',
'You must enter both key and message')
else:
finalMessage = Autokey(Key).decipher(inputMessage)
output_2.insert(END, finalMessage) #replace inputMessage with final result
print("Done")
def __getitem__(self, k):
return self.store[k]
def __len__(self):
return len(self.store)
#init
N = 100
for KLEN in range(3, 20):
rec = nbest(N)
for i in permutations('ABCDEFGHIJKLMNOPQRSTUVWXYZ', 3):
key = ''.join(i) + 'A' * (KLEN - len(i))
pt = Autokey(key).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += trigram.score(pt[j:j + 3])
rec.add((score, ''.join(i), pt[:30]))
next_rec = nbest(N)
for i in range(0, KLEN - 3):
for k in xrange(N):
for c in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
key = rec[k][1] + c
fullkey = key + 'A' * (KLEN - len(key))
pt = Autokey(fullkey).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += qgram.score(pt[j:j + len(key)])
def encrypt(keycodeLines, encryptionDirection, plaintextContents):
for i in range(len(keycodeLines)): #Iterate over the keycode.
if (encryptionDirection == "encrypt"):
splitLine = keycodeLines[i].split()
else:
splitLine = keycodeLines[len(keycodeLines) - 1 - i].split(
) #This ensures that if the encryption direction is set to decrypt, that this for loop reads the keycode.txt from end to beginning.
# print("Line " + str(i) + " is " + keycodeLines[i] + " and the split line is: " + str(splitLine)) # This was an old debugging line that may be useful in the future.
if (splitLine[0] == "caesar"):
if (int(splitLine[1]) > 25 or int(splitLine[1]) < 1):
print("Keycode line: " + str(i + 1) +
": Caesar shift detected on keycode line " + str(i) +
" attempting to shift by value " + splitLine[1] + ".")
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Caesar shift detected with an argument of " +
splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = Caesar(int(
splitLine[1])).encipher(plaintextContents)
else:
plaintextContents = Caesar(int(
splitLine[1])).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": Caesar shifted " +
originalPlaintext + " by " + splitLine[1] +
" with a result of " + plaintextContents + ".")
elif (splitLine[0] == "vigenere"):
if (type(splitLine[1] != str)):
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Vigenère shift detected with an argument of " +
splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = Vigenere(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = Vigenere(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Vigenère shifted " + originalPlaintext + " by " +
splitLine[1] + " with a result of " +
plaintextContents + ".")
else:
print("Keycode line: " + str(i + 1) +
": Vigenère shift detected on keycode line " + str(i) +
" attempting to use key that is not a string.")
elif (splitLine[0] == "porta"):
if (type(splitLine[1] != str)):
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Porta cipher detected with an argument of " +
splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = Porta(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = Porta(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Vigenère shifted " + originalPlaintext + " by " +
splitLine[1] + " with a result of " +
plaintextContents + ".")
else:
print("Keycode line: " + str(i + 1) +
": Vigenère shift detected on keycode line " + str(i) +
" attempting to use key that is not a string.")
elif (splitLine[0] == "adfgx"):
if (
len(splitLine[1]) != 25
): # This makes sure that the keysquare's length is exactly 25.
print(
"Keycode line: " + str(i + 1) +
": ADFGX cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long."
)
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": ADFGX cipher detected with a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
".")
if (encryptionDirection == "encrypt"):
plaintextContents = ADFGX(
splitLine[1], splitLine[2]).encipher(plaintextContents)
else:
plaintextContents = ADFGX(
splitLine[1], splitLine[2]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": ADFGX ciphered " +
originalPlaintext + " by a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
" with a result of " + plaintextContents + ".")
elif (
splitLine[0] == "adfgvx"
): #The first argument is the keysquare, and the second argument is the keyword.
if (
len(splitLine[1]) != 36
): # This makes sure that the keysquare's length is exactly 36.
print(
"Keycode line: " + str(i) +
": ADFGVX cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long, but is instead "
+ str(len(splitLine[1])) + " characters long.")
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": ADFGVX cipher detected with a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
".")
if (encryptionDirection == "encrypt"):
plaintextContents = ADFGVX(
splitLine[1], splitLine[2]).encipher(plaintextContents)
else:
plaintextContents = ADFGVX(
splitLine[1], splitLine[2]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": ADFGVX ciphered " + originalPlaintext +
" by a keysquare of " + splitLine[1] +
" and a keyword of " + splitLine[2] +
" with a result of " + plaintextContents + ".")
elif (splitLine[0] == "affine"):
if ((int(splitLine[2]) < 1) or (int(splitLine[2]) > 25)):
print(
"Keycode line: " + str(i + 1) +
": Affine cipher detected on keycode line " + str(i) +
" attempting to use b value outside of the range of 1-25.")
sys.exit()
elif ((int(splitLine[1]) == 13) or (int(splitLine[1]) % 2 != 1)
or (int(splitLine[1]) > 25) or (int(splitLine[1]) < 1)):
print(
"Keycode line: " + str(i + 1) +
": Affine cipher detected on keycode line " + str(i) +
" attempting to use an a value outside of the range of 1-25, that is even, or that is 13, all of which are not permitted."
)
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Affine cipher detected with an a value of " +
splitLine[1] + " and a b value of " + splitLine[2] +
".")
if (encryptionDirection == "encrypt"):
plaintextContents = Affine(
int(splitLine[1]),
int(splitLine[2])).encipher(plaintextContents)
else:
plaintextContents = Affine(
int(splitLine[1]),
int(splitLine[2])).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Affine ciphered " + originalPlaintext +
" by value a " + splitLine[1] + " and value b " +
splitLine[2] + " with a result of " +
plaintextContents + ".")
elif (
splitLine[0] == "autokey"
): #TODO: The autokey cipher actually doesn't have any requirements for the key, but will be configured to set off a ton of warnings assuming the config flags allow for it.
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Autokey cipher detected with an key of " +
splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = Autokey(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = Autokey(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": Autokey ciphered " +
originalPlaintext + " by key of " + splitLine[1] +
" for a result of " + plaintextContents + ".")
elif (splitLine[0] == "atbash"):
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Autokey cipher detected.")
if (encryptionDirection == "encrypt"):
plaintextContents = Affine(25, 25).encipher(plaintextContents)
else:
plaintextContents = Affine(25, 25).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": Atbash ciphered " +
originalPlaintext + " for a result of " +
plaintextContents + ".")
elif (splitLine[0] == "beaufort"):
if (type(splitLine[1] == str)):
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Beaufort shift detected with an argument of " +
splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = Beaufort(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = Beaufort(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Beaufort shifted " + originalPlaintext + " by " +
splitLine[1] + " with a result of " +
plaintextContents + ".")
else:
print("Keycode line: " + str(i + 1) +
": Beaufort shift detected on keycode line " + str(i) +
" attempting to use key that is not a string.")
elif (splitLine[0] == "bifid"):
if (
len(splitLine[1]) != 25
): # This makes sure that the keysquare's length is exactly 25.
print(
"Keycode line: " + str(i + 1) +
": Bifid cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long."
)
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Bifid cipher detected with a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
".")
if (encryptionDirection == "encrypt"):
plaintextContents = Bifid(splitLine[1], int(
splitLine[2])).encipher(plaintextContents)
else:
plaintextContents = Bifid(splitLine[1], int(
splitLine[2])).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": Bifid ciphered " +
originalPlaintext + " by a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
" with a result of " + plaintextContents + ".")
elif (splitLine[0] == "coltrans"):
if (type(splitLine[1] != str)
): # Check that the encryption key is a string.
originalPlaintext = plaintextContents
if (debug):
print(
"Keycode line: " + str(i + 1) +
": Columnar transposition shift detected with an argument of "
+ splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = ColTrans(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = ColTrans(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Columnar transposition shifted " +
originalPlaintext + " by " + splitLine[1] +
" with a result of " + plaintextContents + ".")
else:
print(
"Keycode line: " + str(i + 1) +
": Columnar transposition shift detected on keycode line "
+ str(i) + " attempting to use key that is not a string.")
elif (splitLine[0] == "foursquare"):
if (
len(splitLine[1]) != 25
): # This makes sure that the keysquare's length is exactly 25.
print(
"Foursquare cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long."
)
sys.exit()
elif (len(splitLine[2]) != 25):
print(
"Foursquare cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long."
)
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print("Foursquare cipher detected with a keysquare of " +
splitLine[1] + " and a keyword of " + splitLine[2] +
".")
if (encryptionDirection == "encrypt"):
plaintextContents = Foursquare(
key1=splitLine[1],
key2=splitLine[2]).encipher(plaintextContents)
else:
plaintextContents = Foursquare(
key1=splitLine[1],
key2=splitLine[2]).decipher(plaintextContents)
if (debug):
print("Foursquare ciphered " + originalPlaintext +
" by a keysquare of " + splitLine[1] +
" and a keyword of " + splitLine[2] +
" with a result of " + plaintextContents + ".")
elif (splitLine[0] == "playfair"):
if (
len(splitLine[1]) != 25
): # This makes sure that the keysquare's length is exactly 25.
print(
"Keycode line: " + str(i + 1) +
": Playfair cipher detected on keycode line " + str(i) +
" attempting to use keysquare that is not 25 characters long."
)
sys.exit()
else:
originalPlaintext = plaintextContents
if (encryptionDirection == "encrypt"):
plaintextContents = Playfair(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = Playfair(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Playfair ciphered " + originalPlaintext +
" by a keysquare of " + splitLine[1] +
" with a result of " + plaintextContents + ".")
elif (
splitLine[0] == "railfence"
): #TODO: Fix this so that it throws an error if the key is a bad length relative to the plaintext.
if (splitLine[1].isdigit() == False):
print("Keycode line: " + str(i + 1) +
": Railfence cipher detected on keycode line " + str(i) +
" with a non-numerical key.")
sys.exit()
elif (
int(splitLine[1]) < 1
): # This makes sure that the keysquare's length is exactly 25.
print("Keycode line: " + str(i + 1) +
": Railfence cipher detected on keycode line " + str(i) +
" attempting to use a key less than 0.")
sys.exit()
else:
originalPlaintext = plaintextContents
if (encryptionDirection == "encrypt"):
plaintextContents = Railfence(int(
splitLine[1])).encipher(plaintextContents)
else:
plaintextContents = Railfence(int(
splitLine[1])).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Railfence ciphered " + originalPlaintext +
" by a key of " + splitLine[1] +
" with a result of " + plaintextContents + ".")
elif (splitLine[0] == "rot13"):
originalPlaintext = plaintextContents
if (debug):
print("Keycode line: " + str(i + 1) +
": Rot13 cipher detected.")
if (encryptionDirection == "encrypt"):
plaintextContents = Rot13().encipher(plaintextContents)
else:
plaintextContents = Rot13().decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) + ": Rot13 ciphered " +
originalPlaintext + " with a result of " +
plaintextContents + ".")
elif (splitLine[0] == "simplesub"):
if (
len(splitLine[1]) != 26
): # This makes sure that the keysquare's length is exactly 25.
print(
"Keycode line: " + str(i + 1) +
": Simple substitution cipher detected on keycode line " +
str(i) +
" attempting to use key that is not 26 characters long.")
sys.exit()
else:
originalPlaintext = plaintextContents
if (debug):
print(
"Keycode line: " + str(i + 1) +
": Simple substitution cipher detected with a key of "
+ splitLine[1] + ".")
if (encryptionDirection == "encrypt"):
plaintextContents = SimpleSubstitution(
splitLine[1]).encipher(plaintextContents)
else:
plaintextContents = SimpleSubstitution(
splitLine[1]).decipher(plaintextContents)
if (debug):
print("Keycode line: " + str(i + 1) +
": Simple substitution ciphered " +
originalPlaintext + " by a key of " + splitLine[1] +
" with a result of " + plaintextContents + ".")
if (i == (len(keycodeLines) - 1)):
# print(plaintextContents) #A debug catch that you may find useful later.
return plaintextContents
from pycipher import Autokey
if __name__ == "__main__":
d = Autokey('AutomaticKey')
s = 'fftu{2028mb39927wn1f96o6e12z03j58002p}'
ans = d.decipher(s)
print(ans)
def __getitem__(self, k):
return self.store[k]
def __len__(self):
return len(self.store)
#init
N = 100
for KLEN in range(3, 20):
rec = nbest(N)
for i in permutations('ABCDEFGHIJKLMNOPQRSTUVWXYZ', 3):
key = ''.join(i) + 'A' * (KLEN - len(i))
pt = Autokey(key).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += trigram.score(pt[j:j + 3])
rec.add((score, ''.join(i), pt[:30]))
next_rec = nbest(N)
for i in range(0, KLEN - 3):
for k in range(N):
for c in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
key = rec[k][1] + c
fullkey = key + 'A' * (KLEN - len(key))
pt = Autokey(fullkey).decipher(ctext)
score = 0
for j in range(0, len(ctext), KLEN):
score += qgram.score(pt[j:j + len(key)])