Crypting: Done crypting pipeline and add some crypting code

.gitignore

@@ -1,4 +1,5 @@
 /__pycache__/
 /i-try/
 /venv/
-
+test_rsa.py
+.gitignore

client.py

@@ -1,6 +1,7 @@
-import requests 
 import threading 
+import requests 
 import time
+import rsa 
 import os 
 
 class Client:
@@ -10,16 +11,22 @@ class Client:
         self.port = 80
         self.username = username 
         
-        self.talk_url = f"http://{self.server}:{self.port}/talk"
+        self.base_url = f"http://{self.server}:{self.port}"
-        self.info_url = f"http://{self.server}:{self.port}/update"
+        
+        self.talk_url = f"{self.base_url}/talk"
+        self.info_url = f"{self.base_url}/update"
+        self.key_url = f"{self.base_url}/get_key"
+
+        self.pubkey = None 
         
         
     def send_info(self):
         
         while True:
             user_input = input("You're message: ")
+            message = f'{self.username}: {user_input}'
             requests.post(self.talk_url, data={
-                "text": f'{self.username}: {user_input}'
+                "text": rsa.encrypt(message.encode('utf8'), self.pubkey)
             })
             
             
@@ -33,18 +40,45 @@ class Client:
             last_try = r.json()
             os.system("cls")
             for msg in last_try["status"]:
-                print(f"{msg}\n")
+                print(f"{rsa.decrypt(msg.encode(), self.seckey)}\n")
+                
+                
+    def _key_request(self) -> None:
+        
+        with requests.get(self.key_url) as r:
+            with open("public_rec.pem", 'wb') as f:
+                f.write(r.text.encode())
+                
+                
+    def _remove_keys(self) -> None:
+        with open('public_rec.pem', 'wb') as f:
+            pass 
+                
+                
+    def _validate_keys(self) -> None:
+        
+        self._key_request()
+        
+        with open('public_rec.pem', "rb") as f:
+            first_key = f.read()
             
+        self.pubkey = rsa.PublicKey.load_pkcs1(first_key)
+        self._remove_keys()
+        
             
     def __call__(self):
+        
+        self._validate_keys()
+          
         threads = [
             threading.Thread(target=self.send_info),
             threading.Thread(target=self.update_info)
         ]
+        
         for th in threads:
             th.start()
         
         
 if __name__ == '__main__':
-    c = Client(input("Who are you? \t"))
+    c = Client("sneaky") # input("Who are you? \t")
     c()

readme.MD

@@ -18,4 +18,14 @@ how to run clear client
 
 to do
 
-* rsa
+* rsa
+
+potential crypting pipeline
+
+* Client making priv key
+* Server making symmetric key 
+* Client sending public key to server
+* Server crypting symmetric key and sending to client 
+* Client encrypting private key 
+* And than communicate with server via
+* symmetric key

reqs.txt

@@ -1,2 +1,3 @@
 sanic
-requests
+requests
+rsa

server.py

@@ -1,21 +1,35 @@
+from email.policy import HTTP
 from typing import Any, Coroutine
 from sanic import Sanic, Request, response 
 from sanic.response import HTTPResponse
 from sanic.server.websockets.impl import WebsocketImplProtocol
-
+import rsa
 
 app = Sanic("app")
 app.config.OAS = False
 
 actual_messages = []
 
+(pubkey, privkey) = rsa.newkeys(512)
+
+with open("private.pem", "wb") as f:
+    f.write(privkey.save_pkcs1())
+    
+with open("public.pem", "wb") as f:
+    f.write(pubkey.save_pkcs1())
+
 
 @app.route('/talk', methods=["GET", "POST"])
 async def talking(request: Request) -> HTTPResponse:
-    actual_messages.append(request.form["text"])
+    actual_messages.append(request.form["text"][0])
     return response.json({"status": "ok"})
 
 
 @app.route('/update', methods=["GET", "POST"])
 async def talking(request: Request) -> HTTPResponse:
-    return response.json({"status": actual_messages})
+    return response.json({"status": [rsa.encrypt(k.encode('utf8'), pubkey) for k in actual_messages]})
+
+
+@app.route('/get_key', methods=['GET', 'POST'])
+async def get_key(request: Request) -> HTTPResponse:
+    return await response.file("public.pem", status=200)