def vigenere_decode(self, key: str):
"""Decode Vigenere ciper
Args:
key (str): Required. The secret key
Returns:
Chepy: The Chepy oject.
Examples:
>>> Chepy("KIEIIM").vigenere_decode("secret").o
"SECRET"
"""
self.state = pycipher.Vigenere(key=key).decipher(self._convert_to_str())
return self
def vigenere_encode(self, key: str) -> EncryptionEncodingT:
"""Encode with Vigenere ciper
Args:
key (str): Required. The secret key
Returns:
Chepy: The Chepy oject.
Examples:
>>> Chepy("secret").vigenere_encode("secret").o
"KIEIIM"
"""
self.state = pycipher.Vigenere(key=key).encipher(
self._convert_to_str())
return self
def decryption(self, text):
if cipher == 1:
ciphertext = self.ids.dtext.text
self.ids.dtext.t = pycipher.Caesar(cshift).decipher(ciphertext,
keep_punct=bl)
elif cipher == 2:
ciphertext = self.ids.dtext.text
self.ids.dtext.text = pycipher.Autokey(k).decipher(ciphertext)
elif cipher == 3:
ciphertext = self.ids.dtext.text
self.ids.dtext.text = pycipher.Vigenere(k).decipher(ciphertext)
elif cipher == 4:
ciphertext = self.ids.dtext.text
self.ids.dtext.text = pycipher.Playfair(k).decipher(ciphertext)
def encryption(self, text):
if cipher == 1:
plaintext = self.ids.ptext.text
encryption = pycipher.Caesar(cshift).encipher(plaintext,
keep_punct=bl)
self.ids.ptext.text = str(salt) + str(encryption)
elif cipher == 2:
plaintext = self.ids.ptext.text
self.ids.ptext.text = pycipher.Autokey(k).encipher(plaintext)
elif cipher == 3:
plaintext = self.ids.ptext.text
self.ids.ptext.text = pycipher.Vigenere(k).encipher(plaintext)
elif cipher == 4:
plaintext = self.ids.ptext.text
self.ids.ptext.text = pycipher.Playfair(k).encipher(plaintext)
import pycipher
txt = input('Text: ')
key = input('Key: ')
plaintext = pycipher.Vigenere(key).decipher(txt)
print(plaintext)
def test_vigenere_cipher(text, key, process):
"""Return None if the assert statement is true."""
if process == 'encrypt':
assert vigenere_cipher(text, key, 'encrypt') == restore_original_format(text, pycipher.Vigenere(key).encipher(text))
elif process == 'decrypt':
assert vigenere_cipher(text, key, 'decrypt') == restore_original_format(text, pycipher.Vigenere(key).decipher(text))
if __name__ == "__main__":
iterable = "abcdefghijklmnopqrstuvwxyz"
known_pt = "blais"
ct = "uucbxsimbjyaqyvzbzfdatshktkbde"
#product = itertools.combinations(iterable, 4) # WRONG
product = itertools.product(iterable, repeat=4)
# Add known pt to key, in form 'blais----'
for i in product:
key = known_pt
# Append letters from tuple to key
for letter in i:
key += letter
#print(i)
#print(key)
pt = pycipher.Vigenere(key).decipher(ct).lower()
# Split plaintext into two to add the curly braces, then combine again
pt_1 = pt[:5]
pt_2 = pt[5:]
pt = pt_1 + "{" + pt_2 + "}"
#print(pt)
# Append to file
file = open("vinegar_pt.txt", "a")
file.write(pt + "\n")