Answers for "python code to decrypt caesar cipher"

Python

python caesar cipher

def caesar_encrypt():
    word = input('Enter the plain text: ')
    c = ''
    for i in word:
        if (i == ' '):
            c += ' '
        else:
            c += (chr(ord(i) + 3))
    return c

def caesar_decrypt():
    word = input('Enter the cipher text: ')
    c = ''
    for i in word:
        if (i == ' '):
            c += ' '
        else:
            c += (chr(ord(i) - 3))
    return c
  
plain = 'hello'
cipher = caesar_encrypt(plain)
decipher = caesar_decrypt(cipher)

Posted by: Guest on November-24-2020

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 encrypted

Posted by: Guest on July-14-2020

python automatic caesar cipher decrypt

x = input()
NUM_LETTERS = 26
def SpyCoder(S, N):
   y = ""
   for i in S:
      if(i.isupper()):
         x = ord(i)
         x += N
         if x > ord('Z'):
            x -= NUM_LETTERS
         elif x < ord('A'):
            x += NUM_LETTERS
         y += chr(x)
      else:
         y += " "
   return y

def GoodnessFinder(S):
   y = 0
   for i in S:
      if i.isupper():
         x = ord(i)
         x -= ord('A')
         y += letterGoodness[x]
      else:
         y += 1
   return y

def GoodnessComparer(S):
   goodnesstocompare = GoodnessFinder(S)
   goodness = 0
   v = ''
   best_v = S
   for i in range(0, 26):
     v = SpyCoder(S, i)
     goodness = GoodnessFinder(v)
     if goodness > goodnesstocompare:
         best_v = v
         goodnesstocompare = goodness
   return best_v


print(GoodnessComparer(x))

Posted by: Guest on May-11-2021

Source

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)}')

Posted by: Guest on December-03-2020

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