diff --git a/ecryption.py b/ecryption.py
index bfc3f5c..a88fd0d 100644
--- a/ecryption.py
+++ b/ecryption.py
@@ -1,4 +1,63 @@
-def encrypt(k, m):
-    return ''.join(map(chr, [x + k for x in map(ord, m)]))
-
-print(encrypt(2, 'Hello!'))
\ No newline at end of file
+#!/usr/bin/env python
+# coding: utf-8
+
+# In[ ]:
+
+
+from collections import Counter
+from random import randint
+N = 65536
+
+
+def encrypt_caesar(k, m):
+    offset_ords = [(x + k)%N for x in map(ord, m)]
+    return ''.join(map(chr, offset_ords))
+
+
+def decrypt_caesar(k, m):
+    offset_ords = [(x - k)%N for x in map(ord, m)]
+    return ''.join(map(chr, offset_ords))
+
+
+def hack(m):
+    most_common = Counter(m).most_common()[0][0]
+    key = ord(most_common) - ord(' ')
+    return decrypt_caesar(key, m)
+
+
+# шифр вернама
+def generate_key(length):
+    return [randint(0,26) for _ in range(length)]
+
+def xor(char, key):
+    return chr(ord(char)^key)
+
+def encrypt_v(text):
+    key = generate_key(len(text))
+    return ''.join([xor(text[i], key[i]) for i in range(len(text))]), key
+
+def decrypt_v(cryptedtext, key):
+    return ''.join([xor(cryptedtext[i], key[i]) for i in range(len(cryptedtext))])
+
+TEXT_TO_CHECK = 'The last words of the Roman dictator Julius Caesar are disputed.'
+key = int(input('Введите ключ для Цезаря: '))
+text = encrypt_caesar(key, TEXT_TO_CHECK)
+print('Зашифрованный текст Цезаря:', text)
+print(' ')
+print('Расшифрованный текст Цезаря:', decrypt_caesar(key, text))
+print(' ')
+print('Взломанный текст Цезаря:', hack(text))
+print(' ')
+encrypt_v, key = encrypt_v(TEXT_TO_CHECK)
+print('Зашифрованный шифром Вернама текст: ', encrypt_v)
+print(' ')
+decrypt_v = decrypt_v(encrypt_v, key)
+print('Расшифрованный текст: ', decrypt_v)
+print(' ')
+
+
+# In[ ]:
+
+
+
+