src/Woche2/aufgabe2.py

@@ -1,41 +0,0 @@
-def key_string(key, text):
-    keystring = key
-    while len(keystring) <= len(text):
-        keystring += key
-    return keystring[: len(text)]
-
-
-class VigenereCipher(object):
-    def __init__(self, key, alphabet):
-        self.alphabet = alphabet
-        self.key = key
-        self.keymap = []
-        for i in range(len(alphabet)):
-            self.keymap.append(alphabet)
-            alphabet = alphabet[1:] + alphabet[0]
-
-    def encode(self, text):
-        keystring = key_string(self.key, text)
-        encode_string = ""
-
-        for index, i in enumerate(text):
-            index_alpha = self.alphabet.find(i)
-            if index_alpha == -1:
-                encode_string += i
-            else:
-                index_key = self.alphabet.find(keystring[index])
-                encode_string += self.keymap[index_key][index_alpha]
-        return encode_string
-
-    def decode(self, text):
-        keystring = key_string(self.key, text)
-        decode_string = ""
-
-        for index, i in enumerate(text):
-            if self.alphabet.find(i) == -1:
-                decode_string += i
-            else:
-                index_key = self.alphabet.find(keystring[index])
-                index_alpha = self.keymap[index_key].find(i)
-                decode_string += self.alphabet[index_alpha]
-        return decode_string