Sha256: 4e0d151206f54405eb32bf01e95c5c23cf87ed42df1ea962bf94bbd049dd326b
Contents?: true
Size: 927 Bytes
Versions: 119
Compression:
Stored size: 927 Bytes
Contents
from string import ascii_lowercase
from time import time
import random
class Cipher:
def __init__(self, key=None):
if not key:
random.seed(time())
key = ''.join(random.choice(ascii_lowercase) for i in range(100))
elif not key.isalpha() or not key.islower():
raise ValueError('Wrong key parameter!')
self.key = key
def encode(self, text):
text = ''.join(c for c in text if c.isalpha()).lower()
key = self.key * (len(text) // len(self.key) + 1)
return ''.join(chr((ord(c) - 194 + ord(k)) % 26 + 97)
for c, k in zip(text, key))
def decode(self, text):
key = self.key * (len(text) // len(self.key) + 1)
return ''.join(chr((ord(c) - ord(k) + 26) % 26 + 97)
for c, k in zip(text, key))
class Caesar(Cipher):
def __init__(self):
Cipher.__init__(self, 'd')
Version data entries
119 entries across 119 versions & 1 rubygems