def test_decrypt(self):
for i, alphabet in enumerate(self.alphabet):
dec = Caesar().decrypt(self.ciphertext[i], self.key[i], alphabet)
self.assertEqual(dec, self.plaintext[i])
msg_lst.extend('_' * fill_null)
matrix = [msg_lst[i:i + col] for i in range(0, len(msg_lst), col)]
for _ in range(col):
curr_idx = key.index(key_lst[k_indx])
cipher += ''.join([row[curr_idx] for row in matrix])
k_indx += 1
return cipher
if int(pilihan) == 1:
pt = input('Masukkan plaintext: ')
kc = int(input('Masukkan key: '))
kesar = Caesar().encrypt(pt, kc)
print(f'\nCiphertext: {kesar.upper()}')
elif int(pilihan) == 3:
pt = input('Masukkan plaintext: ')
kc = int(input('Masukkan depth: '))
keretapi = railfence(pt, kc)
print(f'\nCiphertext: {keretapi.upper()}')
elif int(pilihan) == 4:
pt = input('Masukkan plaintext: ')
kc = input('Masukkan key: ')
tukarbaris = rowtransposition(pt, kc)
print(f'\nCiphertext: {tukarbaris.upper()}')
elif int(pilihan) == 5:
#Help Received: https://readthedocs.org/projects/secretpy/downloads/pdf/stable/
from secretpy import Caesar
for i in range(26):
print(i)
print(Caesar().decrypt("VRUXKWXYXGLXYNGWTFXGMTEL".lower(), i))
from secretpy import Atbash, Caesar, CryptMachine, alphabets
from secretpy.cmdecorators import SaveAll
def encdec(machine, plaintext):
print(plaintext)
enc = machine.encrypt(plaintext)
print(enc)
dec = machine.decrypt(enc)
print(dec)
print("-----------------------------------")
plaintext = u"thequickbrownfoxjumpsoverthelazydog"
key = 3
cipher = Caesar()
cm = CryptMachine(cipher, key)
encdec(cm, plaintext)
cm.set_alphabet(alphabets.GERMAN)
encdec(cm, plaintext)
cm1 = SaveAll(cm)
cm1.set_key(9)
plaintext = u"the quick brown fox jumps over the lazy dog"
encdec(cm1, plaintext)
cm2 = cm
cm2.set_cipher(Atbash())
plaintext = u"Achtung Minen"
def Decryp_ceaser():
data = input("Enter dtata to be Decrypted By Ceaser Algorithm : ")
key = int(input("Enter key to be Ency : "))
cm = SaveSpaces(SaveCase(CryptMachine(Caesar(), key)))
print(cm.decrypt(data))
input("Copy if needed.............")
def encdec(machine, plaintext):
print("=======================================")
print(plaintext)
enc = machine.encrypt(plaintext)
print(enc)
dec = machine.decrypt(enc)
print(dec)
key = 5
plaintext = u"Dog jumps four times and cat six times"
print(plaintext)
cm1 = SaveAll(CryptMachine(Caesar(), key))
enc = cm1.encrypt(plaintext)
print(enc)
cm2 = SaveAll(CryptMachine(Rot13()))
enc = cm2.encrypt(enc)
print(enc)
print("=======================================")
cm = CompositeMachine(cm1)
cm.add_machines(cm2)
enc = cm.encrypt(plaintext)
print(enc)
encdec(cm, plaintext)
def Encryp_ceaser():
data = input("Enter data to be Encrypted with Ceaser algorithm : ")
key = int(input("Enter key : "))
cm = SaveSpaces(SaveCase(CryptMachine(Caesar(), key)))
print(cm.encrypt(data))
input("Copy if needed.............")
def Decryp_ceaser_t(arg1, arg2):
data = arg1
key = int(arg2)
cm = SaveSpaces(SaveCase(CryptMachine(Caesar(), key)))
return(cm.decrypt(data))
#!/usr/bin/python3
from secretpy import alphabets
from secretpy import Caesar
from ngramscore import NGramScore
alphabet = alphabets.GERMAN
fitness = NGramScore('freq/de-2.txt')
cipher = Caesar()
def crack(ctext):
max_score = 0
key = 0
for i in range(0, len(alphabet)):
dec = cipher.decrypt(ctext, i, alphabet)
score = fitness.score(dec)
print("key = " + str(i) + ", decrypted text: " + str(dec.upper()) + ", score: " + str(score))
if score > max_score:
max_score = score
key = i
return key
# example ciphertext
enc = 'äbööemökglbgäßnm'
print("encrypted text: " + enc)
print()
key = crack(enc)
def encdec(machine, plaintext):
print("=======================================")
print(plaintext)
enc = machine.encrypt(plaintext)
print(enc)
dec = machine.decrypt(enc)
print(dec)
key = 5
plaintext = u"Dog jumps four times and cat six times"
print(plaintext)
cm1 = SaveSpaces(SaveCase(CryptMachine(Caesar(), key)))
enc = cm1.encrypt(plaintext)
print(enc)
cm2 = SaveSpaces(SaveCase(CryptMachine(Rot13())))
enc = cm2.encrypt(enc)
print(enc)
print("=======================================")
cm = CompositeMachine(cm1)
cm.add_machines(cm2)
enc = cm.encrypt(plaintext)
print(enc)
encdec(cm, plaintext)
#!/usr/bin/python
# -*- encoding: utf-8 -*-
from secretpy import Caesar
from secretpy import alphabets
alphabet = alphabets.GERMAN
plaintext = u"thequickbrownfoxjumpsoverthelazydog"
key = 3
cipher = Caesar()
print(plaintext)
enc = cipher.encrypt(plaintext, key, alphabet)
print(enc)
dec = cipher.decrypt(enc, key, alphabet)
print(dec)
print('=====================================')
print(plaintext)
# use default english alphabet
enc = cipher.encrypt(plaintext, key)
print(enc)
dec = cipher.decrypt(enc, key)
print(dec)
'''
Output:
thequickbrownfoxjumpsoverthelazydog
wkhtxlfneurzqirämxpsvryhuwkhodüögrj
thequickbrownfoxjumpsoverthelazydog
