diff --git a/server/authentication.py b/server/authentication.py
index 7ea5125..a02e067 100644
--- a/server/authentication.py
+++ b/server/authentication.py
@@ -11,7 +11,6 @@ from Crypto.Protocol.KDF import bcrypt, bcrypt_check
 auth_logger = logging.getLogger('AUTH APPLICATION ')
 auth_logger.root.setLevel(logging.INFO)
 
-
 class Authetication:
     ABSOLUTE_PATH = os.path.abspath(os.path.dirname(sys.argv[0]))
     HOME_DIRECTORY_LOCATION = ABSOLUTE_PATH + "\\home"
@@ -71,7 +70,7 @@ class Authetication:
         os.mkdir(self.PRIVATE_KEY_DIRECTORY_LOCATION)
 
 
-    def generatePrivateKeyForUser(self, username:str, user_passphrase:str) -> bool:
+    def generatePrivateKeyForUser(self, username:str, user_passphrase:str, public_server_key='') -> bool:
         if self.checkUserExists(username):
             with open(self.CONFIG_DIRECTORY_LOCATION + '\\config.txt') as json_file:
                 data = json.load(json_file)
@@ -82,7 +81,7 @@ class Authetication:
             public_key_value = str(public_key.export_key('DER', pkcs=8))
 
             ##Save private key in separate file
-            user_privatekey = {'passphrase': user_passphrase, 'privateKey': private_key_value}
+            user_privatekey = {'passphrase': user_passphrase, 'privateClientKey': private_key_value, 'publicServerKey': public_server_key}
             with open(self.PRIVATE_KEY_DIRECTORY_LOCATION + '\\' + str(data['index']) + '.txt', 'w+') as outfile:
                 json.dump(user_privatekey, outfile)
 
@@ -93,7 +92,6 @@ class Authetication:
                     with open(self.CONFIG_DIRECTORY_LOCATION + '\\config.txt', 'w') as outfile:
                         json.dump(data, outfile)
                     break
-
             return True
         else:
             return False