def aristocrat(plaintext: str) -> str:
"""Encodes text with the Aristocrat cipher."""
ciphertext: str = ""
alph_map: list = utils.alph_map()
plaintext = plaintext.strip().upper()
for i in plaintext:
ascii_val: int = ord(i)
if utils.is_letter(ascii_val):
ciphertext += chr(alph_map[ascii_val - 65] + 65)
else:
ciphertext += chr(ascii_val)
return ciphertext
def vigenere(ciphertext: str, key: str) -> str:
plaintext: str = ""
ciphertext = ciphertext.upper()
key = key.upper()
cipher_char: list = [ord(l) for l in ciphertext]
key_char: list = utils.vig_key_array(key, cipher_char)
for i in range(0, len(cipher_char)):
if utils.is_letter(cipher_char[i]):
plaintext += chr((cipher_char[i] - key_char[i] + 26) % 26 + 65)
else:
plaintext += chr(cipher_char[i])
return plaintext
def vigenere(plaintext: str, key: str) -> str:
"""Encodes text with the Vigenere cipher."""
ciphertext: str = ""
plaintext = plaintext.strip().upper()
key = key.upper()
plain_char: list = [ord(letter) for letter in plaintext]
key_char: list = utils.vig_key_array(key, plain_char)
for i in range(0, len(plain_char)):
if utils.is_letter(plain_char[i]):
ciphertext += chr((plain_char[i] + key_char[i] - 130) % 26 + 65)
else:
ciphertext += chr(plain_char[i])
return ciphertext
def patristocrat(plaintext: str) -> str:
"""Encodes text with the Patristocrat cipher."""
ciphertext: str = ""
new_cipher: str = ""
alph_map: list = utils.alph_map()
plaintext = plaintext.strip().upper()
for i in range(0, len(plaintext)):
ascii_val: int = ord(plaintext[i])
if utils.is_letter(ascii_val):
new_cipher += chr(ascii_val)
letters: int = 0
for i in range(0, len(new_cipher)):
ascii_val: int = ord(new_cipher[i])
ciphertext += chr(alph_map[ascii_val - 65] + 65)
letters += 1
if letters == 5 and i != len(new_cipher) - 1:
ciphertext += " "
letters = 0
return ciphertext
def xenocrypt(plaintext: str) -> str:
"""Encodes text with the Xenocrypt/Spanish Aristocrat cipher."""
ciphertext: str = ""
used = []
for i in range(0, 27):
used.append(False)
alph_map: list = []
for i in range(0, 26):
newval: int = random.randint(0, 26)
while newval == i or used[newval]:
newval: int = random.randint(0, 26)
used[newval] = True
alph_map.append(newval)
plaintext = plaintext.strip().upper()
letters: str = "ABCDEFGHIJKLMNOPQRSTUVWXYZÑ"
for i in plaintext:
ascii_val: int = ord(i)
if utils.is_letter(ascii_val):
ciphertext += letters[alph_map[ascii_val - 65]]
elif ascii_val == 165:
ciphertext += letters[26]
else:
ciphertext += chr(ascii_val)
return ciphertext