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new file mode 100644
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diff --git a/.auth_server_test/client/id_rsa.pub b/.auth_server_test/client/id_rsa.pub
new file mode 100644
index 0000000..1e492fc
--- /dev/null
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new file mode 100644
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new file mode 100644
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new file mode 100644
index 0000000..514af65
--- /dev/null
+++ b/.auth_server_test/server/id_rsa
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diff --git a/.auth_server_test/server/id_rsa.pub b/.auth_server_test/server/id_rsa.pub
new file mode 100644
index 0000000..f466edc
--- /dev/null
+++ b/.auth_server_test/server/id_rsa.pub
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-      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
-    </layout>
-  </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/utils/rsa_tenamortech_utils.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="466">
-          <caret line="108" column="15" lean-forward="true" selection-start-line="108" selection-start-column="15" selection-end-line="108" selection-end-column="15" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/server_test_3.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state>
-          <caret line="5" column="41" selection-start-line="5" selection-start-column="41" selection-end-line="5" selection-end-column="41" />
-          <folding>
-            <element signature="e#0#13#0" expanded="true" />
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-        </state>
-      </provider>
-    </entry>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.server_test_3.py.swp b/.server_test_3.py.swp
deleted file mode 100644
index 40c5603..0000000
Binary files a/.server_test_3.py.swp and /dev/null differ
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/client_test_3.py b/client_test_3.py
old mode 100644
new mode 100755
index 4b4a812..bc90f13
--- a/client_test_3.py
+++ b/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) 
diff --git a/.clients_keys b/draft/.clients_keys
old mode 100644
new mode 100755
similarity index 100%
rename from .clients_keys
rename to draft/.clients_keys
diff --git a/.hosts_keys b/draft/.hosts_keys
old mode 100644
new mode 100755
similarity index 100%
rename from .hosts_keys
rename to draft/.hosts_keys
diff --git a/client_test_1.py b/draft/client_test_1.py
old mode 100644
new mode 100755
similarity index 100%
rename from client_test_1.py
rename to draft/client_test_1.py
diff --git a/client_test_2.py b/draft/client_test_2.py
old mode 100644
new mode 100755
similarity index 100%
rename from client_test_2.py
rename to draft/client_test_2.py
diff --git a/decrypted_file.txt b/draft/decrypted_file.txt
old mode 100644
new mode 100755
similarity index 100%
rename from decrypted_file.txt
rename to draft/decrypted_file.txt
diff --git a/encrypted_file.data b/draft/encrypted_file.data
old mode 100644
new mode 100755
similarity index 100%
rename from encrypted_file.data
rename to draft/encrypted_file.data
diff --git a/not_encrypted_file.txt b/draft/not_encrypted_file.txt
old mode 100644
new mode 100755
similarity index 100%
rename from not_encrypted_file.txt
rename to draft/not_encrypted_file.txt
diff --git a/private_key.key b/draft/private_key.key
old mode 100644
new mode 100755
similarity index 100%
rename from private_key.key
rename to draft/private_key.key
diff --git a/public_key.pub b/draft/public_key.pub
old mode 100644
new mode 100755
similarity index 100%
rename from public_key.pub
rename to draft/public_key.pub
diff --git a/server_test_1.py b/draft/server_test_1.py
old mode 100644
new mode 100755
similarity index 100%
rename from server_test_1.py
rename to draft/server_test_1.py
diff --git a/server_test_2.py b/draft/server_test_2.py
old mode 100644
new mode 100755
similarity index 100%
rename from server_test_2.py
rename to draft/server_test_2.py
diff --git a/keys_manager_1.py b/keys_manager_1.py
old mode 100644
new mode 100755
diff --git a/server_test_3.py b/server_test_3.py
old mode 100644
new mode 100755
index 533caa3..39debb9
--- a/server_test_3.py
+++ b/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
diff --git a/utils/__init__.py b/utils/__init__.py
old mode 100644
new mode 100755
diff --git a/utils/__pycache__/__init__.cpython-36.pyc b/utils/__pycache__/__init__.cpython-36.pyc
old mode 100644
new mode 100755
diff --git a/utils/__pycache__/client_keys_manager.cpython-36.pyc b/utils/__pycache__/client_keys_manager.cpython-36.pyc
old mode 100644
new mode 100755
diff --git a/utils/__pycache__/keys_manager_1.cpython-36.pyc b/utils/__pycache__/keys_manager_1.cpython-36.pyc
old mode 100644
new mode 100755
diff --git a/utils/__pycache__/rsa_tenamortech_utils.cpython-36.pyc b/utils/__pycache__/rsa_tenamortech_utils.cpython-36.pyc
index a87b88e..13c296a 100644
Binary files a/utils/__pycache__/rsa_tenamortech_utils.cpython-36.pyc and b/utils/__pycache__/rsa_tenamortech_utils.cpython-36.pyc differ
diff --git a/utils/__pycache__/server_keys_manager.cpython-36.pyc b/utils/__pycache__/server_keys_manager.cpython-36.pyc
old mode 100644
new mode 100755
diff --git a/utils/__pycache__/symmetric_keys_manager_1.cpython-36.pyc b/utils/__pycache__/symmetric_keys_manager_1.cpython-36.pyc
index 9c1f4bf..eeb0ac2 100644
Binary files a/utils/__pycache__/symmetric_keys_manager_1.cpython-36.pyc and b/utils/__pycache__/symmetric_keys_manager_1.cpython-36.pyc differ
diff --git a/utils/client_keys_manager.py b/utils/client_keys_manager.py
old mode 100644
new mode 100755
diff --git a/utils/key.key b/utils/key.key
deleted file mode 100644
index 8551253..0000000
--- a/utils/key.key
+++ /dev/null
@@ -1 +0,0 @@
-c8Vo7OdLcNQJL2aDeLVepcGwOkXxnibd_BiOL6r42TM=
\ No newline at end of file
diff --git a/utils/keys_manager_1.py b/utils/keys_manager_1.py
old mode 100644
new mode 100755
diff --git a/utils/rsa_tenamortech_utils.py b/utils/rsa_tenamortech_utils.py
old mode 100644
new mode 100755
index c58d519..c96b30c
--- a/utils/rsa_tenamortech_utils.py
+++ b/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' 
diff --git a/utils/send_receive.py b/utils/send_receive.py
deleted file mode 100644
index 6ea5ad7..0000000
--- a/utils/send_receive.py
+++ /dev/null
@@ -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
diff --git a/utils/server_keys_manager.py b/utils/server_keys_manager.py
old mode 100644
new mode 100755
diff --git a/utils/symmetric_keys_manager_1.py b/utils/symmetric_keys_manager_1.py
old mode 100644
new mode 100755
index 7575aff..379af22
--- a/utils/symmetric_keys_manager_1.py
+++ b/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
-    with open(str(root_file_path) + "/.known_hosts") as f:
-        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  
+    # --- Open session file 
+    if os.path.isfile(str(root_file_path) + "/.known_hosts"):    
+        with open(str(root_file_path) + "/.known_hosts") as f:
             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: