diff --git a/python-ofensivo/11_chat_cifrado_E2E/client.py b/python-ofensivo/11_chat_cifrado_E2E/client.py
index b420417..d270e0e 100644
--- a/python-ofensivo/11_chat_cifrado_E2E/client.py
+++ b/python-ofensivo/11_chat_cifrado_E2E/client.py
@@ -3,7 +3,7 @@
 CLIENTE DE CHAT CIFRADO E2E
 """
 
-
+import ssl
 import socket as s
 import threading as th
 from tkinter import *
@@ -65,6 +65,7 @@ def client_program():
     port = 1234
 
     client_socket = s.socket(s.AF_INET, s.SOCK_STREAM)
+    client_socket = ssl.wrap_socket(client_socket)
     client_socket.connect((host, port))
 
     username = input("\n[+] Introduce tu usuario: ")
@@ -76,9 +77,6 @@ def client_program():
 
     window = Tk()
     window.title(f'Chat cifrado E2E - {username}')
-    # window.geometry('500x700')
-    # window.iconbitmap("oveja-negra.ico")
-    # window.iconphoto(False, PhotoImage(file="oveja-negra.png"))
 
     text_widget = ScrolledText(window, state='disabled')
     text_widget.pack(padx=5, pady=5)
diff --git a/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.ico b/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.ico
deleted file mode 100644
index 13969dd..0000000
Binary files a/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.ico and /dev/null differ
diff --git a/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.jpg b/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.jpg
deleted file mode 100755
index 0099c98..0000000
Binary files a/python-ofensivo/11_chat_cifrado_E2E/oveja-negra.jpg and /dev/null differ
diff --git a/python-ofensivo/11_chat_cifrado_E2E/server.py b/python-ofensivo/11_chat_cifrado_E2E/server.py
index 795c6db..7b05d4c 100644
--- a/python-ofensivo/11_chat_cifrado_E2E/server.py
+++ b/python-ofensivo/11_chat_cifrado_E2E/server.py
@@ -5,6 +5,7 @@ SERVER DE CHAT CIFRADO E2E
 
 import socket as s
 import threading as th
+import ssl
 
 
 def client_thread(client_socket, clients, usernames):
@@ -55,6 +56,10 @@ def server_program():
     server_socket = s.socket(s.AF_INET, s.SOCK_STREAM)
     server_socket.setsockopt(s.SOL_SOCKET, s.SO_REUSEADDR, 1)  # TIME_WAIT
     server_socket.bind((host, port))
+    server_socket = ssl.wrap_socket(
+        server_socket, keyfile='server-key.key', 
+        certfile='server-cert.pem', server_side=True
+    )
     server_socket.listen()
 
     print(f"\n[+] Server está en escucha...")