Last Official commit !

.auth_server_test/client/.known_hosts

@@ -0,0 +1 @@
+monster 15e6534f-25ed-4ca4-abe5-487566bcd7b4 Aj_4lrs-82x0cq8i-J88XdETavUh3kPJO5UfleYZomk=

.auth_server_test/client/id_rsa

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----

.auth_server_test/client/id_rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA62kYQSLnR6v3abZBwUdB
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+WQIDAQAB
+-----END PUBLIC KEY-----

.auth_server_test/client/public_keys_servers/15e6534f-25ed-4ca4-abe5-487566bcd7b4.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn//c9+fFvE8eML+a3Kmb
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+TQIDAQAB
+-----END PUBLIC KEY-----

.auth_server_test/server/.known_clients

@@ -0,0 +1 @@
+15e6534f-25ed-4ca4-abe5-487566bcd7b4 Aj_4lrs-82x0cq8i-J88XdETavUh3kPJO5UfleYZomk= 0

.auth_server_test/server/id_rsa

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCf/9z358W8Tx4w
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+YUSHkUwm9UuPpI3IFgcsxeDU
+-----END PRIVATE KEY-----

.auth_server_test/server/id_rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn//c9+fFvE8eML+a3Kmb
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+TQIDAQAB
+-----END PUBLIC KEY-----

.auth_server_test/server/public_keys_clients/15e6534f-25ed-4ca4-abe5-487566bcd7b4.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA62kYQSLnR6v3abZBwUdB
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+WQIDAQAB
+-----END PUBLIC KEY-----

.idea/encodings.xml

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.idea/misc.xml

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.idea/modules.xml

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.idea/pj_crypto_1_v2.iml

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.idea/vcs.xml

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client_test_3.py

@@ -1,3 +1,23 @@
+#===========================================================================================
+#  _____ _____ _   _    _    __  __  ___  ____ _____ _____ ____ _   _ 
+# |_   _| ____| \ | |  / \  |  \/  |/ _ \|  _ \_   _| ____/ ___| | | |
+#   | | |  _| |  \| | / _ \ | |\/| | | | | |_) || | |  _|| |   | |_| |
+#   | | | |___| |\  |/ ___ \| |  | | |_| |  _ < | | | |__| |___|  _  |
+#   |_| |_____|_| \_/_/   \_\_|  |_|\___/|_| \_\|_| |_____\____|_| |_|
+#
+#   Minimalist Auth Server V3 (Python 3.6)
+#	(This file contains the client code)
+#
+#   Sources: 
+#    https://nitratine.net/blog/post/asymmetric-encryption-and-decryption-in-python/
+#    https://stackoverflow.com/questions/8933237/how-to-find-if-directory-exists-in-python 
+#    https://stackoverflow.com/questions/273192/how-can-i-safely-create-a-nested-directory 
+#
+#
+#	ROMANET Valentin
+#===========================================================================================
+
+
 # Python TCP Client A
 import socket 
 
@@ -16,7 +36,6 @@ from utils.symmetric_keys_manager_1 import *
 host = socket.gethostname() 
 port = 2004
 BUFFER_SIZE = 2000 
-#MESSAGE = input("tcpClientA: Enter message/ Enter exit:").encode('utf-8') 
 MESSAGE = ""  
 tcpClientA = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
 tcpClientA.connect((host, port))
@@ -25,6 +44,7 @@ got_pub_key_server = False
 (private_key,public_key) = check_for_existing_keys() 
 public_key_pem = public_key_serializer(public_key) 
 
+
 def de_serialize_pub_key(public_key_pem): 
     return serialization.load_pem_public_key(public_key_pem,backend=default_backend())  
  
@@ -39,6 +59,8 @@ while MESSAGE != 'exit':
             got_pub_key_server = True  
             print("[DEBUG] SessionID Found ! [ OK ]")
         else:  
+            print("[DEBUG] SessionID Found ! [ FAIL ]")
+            print("[DEBUG] Waiting for new SessionID [ ... ]")
             #if find sessionID load it and negociate with server
             #else send public key ...  
             print("[DEBUG] Receiving Server Public Key [ ... ]")
@@ -60,6 +82,7 @@ while MESSAGE != 'exit':
             print("[DEBUG] Waiting for new Symmetric Key and New SessionID [ OK ] ") 
             print("[DEBUG] Symmetric Key: [" + str(new_symmetric_key) + "]") 
             print("[DEBUG] SessionID    : [" + new_session_id + "]") 
+            print("[DEBUG] Waiting for new SessionID [ OK ]")
             
             print("[DEBUG] Saving basic HandShake infos [ ... ] ")
             save_sym_key_by_host(host, new_session_id, new_symmetric_key, public_key_server) 

server_test_3.py

@@ -1,3 +1,22 @@
+#===========================================================================================
+#  _____ _____ _   _    _    __  __  ___  ____ _____ _____ ____ _   _ 
+# |_   _| ____| \ | |  / \  |  \/  |/ _ \|  _ \_   _| ____/ ___| | | |
+#   | | |  _| |  \| | / _ \ | |\/| | | | | |_) || | |  _|| |   | |_| |
+#   | | | |___| |\  |/ ___ \| |  | | |_| |  _ < | | | |__| |___|  _  |
+#   |_| |_____|_| \_/_/   \_\_|  |_|\___/|_| \_\|_| |_____\____|_| |_|
+#
+#   Minimalist Auth Server V3 (Python 3.6)
+#   (This file contains the server code)
+#
+#   Sources: 
+#    https://nitratine.net/blog/post/asymmetric-encryption-and-decryption-in-python/
+#    https://stackoverflow.com/questions/8933237/how-to-find-if-directory-exists-in-python 
+#    https://stackoverflow.com/questions/273192/how-can-i-safely-create-a-nested-directory 
+#
+#
+#   ROMANET Valentin
+#===========================================================================================
+
 import socket 
 from threading import Thread 
 from socketserver import ThreadingMixIn 
@@ -6,7 +25,7 @@ from utils.server_keys_manager import *
 from utils.symmetric_keys_manager_1 import *
 from utils.rsa_tenamortech_utils import *
 # --- Init keys --- 
-()
+
 
 def de_serialize_pub_key(public_key_pem): 
     return serialization.load_pem_public_key(public_key_pem,backend=default_backend())  
@@ -72,7 +91,6 @@ class ClientThread(Thread):
                     print("[DEBUG] I'm all yours... [ :) ]")
                     conn.send(encrypt_msg("login:".encode('utf-8'), public_key_client))  
                     
-            #print("Server received data:", data) 
             MESSAGE = input("Multithreaded Python server : Enter Response from Server/Enter exit:").encode('utf-8') 
             if MESSAGE == 'exit':
                 break

utils/key.key

@@ -1 +0,0 @@
-c8Vo7OdLcNQJL2aDeLVepcGwOkXxnibd_BiOL6r42TM=

utils/rsa_tenamortech_utils.py

@@ -74,7 +74,7 @@ def save_key(key, key_type, host):
         path = root_file_path + 'client' 
     keys_dir_path = Path.home() / path  
     # Path exists ? If not we will create it 
-    keys_dir_path.mkdir(exist_ok=True)
+    keys_dir_path.mkdir(parents=True, exist_ok=True)
     if(key_type == 0): 
         key_pem = private_key_serializer(key)
         key_path = keys_dir_path / 'id_rsa' 

utils/send_receive.py

@@ -1,35 +0,0 @@
-#===============================================================
-# --- (Un)Pack msg length and msg itself ---
-#===============================================================
-from struct import * 
-import asyncio, socket 
-
-def send_msg(sock, msg):
-    # Prefix each message with a 4-byte length (network byte order)
-    msg = struct.pack('>I', len(msg)) + msg
-    sock.sendall(msg)
-
-def send_msg_async(writer, msg):
-    # Prefix each message with a 4-byte length (network byte order)
-    msg = struct.pack('>I', len(msg)) + msg 
-    writer.write(msg) 
-    #sock.sendall(msg)
-
-def recv_msg(reader):
-    # Read message length and unpack it into an integer
-    raw_msglen = reader.read(255) 
-    if not raw_msglen:
-        return None
-    msglen = unpack('>I', raw_msglen)[0]
-    # Read the message data
-    return recvall(reader)
-
-def recvall(reader, n):
-    # Helper function to recv n bytes or return None if EOF is hit
-    data = bytearray()
-    while len(data) < n:
-        packet = reader.read(n - len(data))
-        if not packet:
-            return None
-        data.extend(packet)
-    return data

utils/symmetric_keys_manager_1.py

@@ -6,7 +6,7 @@ import uuid
 
 # To get user home directory 
 from pathlib import Path
-
+import os 
 # Home made RSA Keys lib 
 from utils.rsa_tenamortech_utils import *
 
@@ -86,17 +86,18 @@ def reload_session_by_host(host):
     
     host_found = False 
     
-    # --- Open session file
+    # --- Open session file 
-    with open(str(root_file_path) + "/.known_hosts") as f:
+    if os.path.isfile(str(root_file_path) + "/.known_hosts"):    
-        line = f.readline().rstrip() 
+        with open(str(root_file_path) + "/.known_hosts") as f:
-        while(line and host_found == False): 
-            # each line contains (host session_id, sym_key) 
-            # Those infos are spaced with "space" char, so we use 'split' fuction to get an array 
-            cur_server_infos = line.split() 
-            # If we find the given host: 
-            if(cur_server_infos[0] == host): # cur_client_info[0] is the host stored in the cur line 
-                host_found = True  
             line = f.readline().rstrip() 
+            while(line and host_found == False): 
+                # each line contains (host session_id, sym_key) 
+                # Those infos are spaced with "space" char, so we use 'split' fuction to get an array 
+                cur_server_infos = line.split() 
+                # If we find the given host: 
+                if(cur_server_infos[0] == host): # cur_client_info[0] is the host stored in the cur line 
+                    host_found = True  
+                line = f.readline().rstrip() 
     
     # --- We found the given host, so we will now load the corresponding server public key we previously stored.
     if host_found == True: