python ascii caesar cipher
def ascii_caesar_shift(message, distance):
encrypted = ""
for char in message:
value = ord(char) + distance
encrypted += chr(value % 128) #128 for ASCII
return encryptedpython ascii caesar cipher
def ascii_caesar_shift(message, distance):
encrypted = ""
for char in message:
value = ord(char) + distance
encrypted += chr(value % 128) #128 for ASCII
return encryptedpython caesar cipher
plaintext = input("Please enter your plaintext: ")
shift = input("Please enter your key: ")
alphabet = "abcdefghijklmnopqrstuvwxyz"
ciphertext = ""
# shift value can only be an integer
while isinstance(int(shift), int) == False:
# asking the user to reenter the shift value
shift = input("Please enter your key (integers only!): ")
shift = int(shift)
new_ind = 0 # this value will be changed later
for i in plaintext:
if i.lower() in alphabet:
new_ind = alphabet.index(i) + shift
ciphertext += alphabet[new_ind % 26]
else:
ciphertext += i
print("The ciphertext is: " + ciphertext)caesar cipher python
def cc_encrypt(msg: str,key: int) -> str:
encrypted_msg = ''
try:
for char in msg:
encrypted_msg += str(chr(ord(char)+int(key)))
except:
print(Exception)
pass
return encrypted_msg
def cc_decrypt(msg: str,key: int) -> str:
decrypted_msg = ''
try:
for char in msg:
decrypted_msg += chr(ord(char)-int(key))
except:
print(Exception)
pass
return decrypted_msg
message = 'Hello World!'
key = 9
print(f'Caesar Cipher:nEncrypted: {cc_encrypt(message,key)}nDecrypted: {cc_decrypt(cc_encrypt(message,key),key)}')Copyright © 2021 Codeinu
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