diff --git a/server/authentication.py b/server/authentication.py
index 3610e9c..1f6c2b0 100644
--- a/server/authentication.py
+++ b/server/authentication.py
@@ -3,6 +3,7 @@ import logging
 import os
 import shutil
 import sys
+import binascii
 from base64 import b64encode
 from Crypto.PublicKey import RSA
 from Crypto.Hash import SHA256
@@ -19,6 +20,7 @@ class Authetication:
     PRIVATE_KEY_DIRECTORY_LOCATION = CONFIG_DIRECTORY_LOCATION + os.path.sep + "private_keys"
     USER_INDEX = 0
 
+
     def __init__(self):
         if not os.path.isdir(self.HOME_DIRECTORY_LOCATION):
             os.mkdir(self.HOME_DIRECTORY_LOCATION)
@@ -35,6 +37,7 @@ class Authetication:
             with open(self.CONFIG_FILE_LOCATION, 'w+') as outfile:
                 json.dump(data, outfile)
 
+
     def login(self, username: str, password: str) -> str:
         with open(self.CONFIG_FILE_LOCATION) as json_file:
             data = json.load(json_file)
@@ -51,6 +54,7 @@ class Authetication:
         auth_logger.debug("User logged in: " + username)
         return user['homeDir']
 
+
     def checkUserExists(self, username: str) -> bool:
         with open(self.CONFIG_FILE_LOCATION) as json_file:
             data = json.load(json_file)
@@ -60,6 +64,7 @@ class Authetication:
                 return True
         return False
 
+
     def initConfig(self):
         data = {'index': 0, 'user': []}
         with open(self.CONFIG_FILE_LOCATION, 'w+') as outfile:
@@ -78,13 +83,15 @@ class Authetication:
 
             private_key = RSA.generate(2048)
             public_key = private_key.publickey()
-            private_key_value = str(private_key.export_key('DER', passphrase=user_passphrase, pkcs=8))
-            public_key_value = str(public_key.export_key('DER', pkcs=8))
+            private_key_value = bytes.hex(private_key.exportKey('DER', passphrase=user_passphrase, pkcs=8))
+            public_key_value = bytes.hex(public_key.exportKey('DER', pkcs=8))
+
 
             ##Save private key in separate file
             user_privatekey = {'passphrase': user_passphrase, 'privateClientKey': private_key_value, 'publicServerKey': public_server_key}
             with open(self.PRIVATE_KEY_DIRECTORY_LOCATION + os.path.sep + str(data['index']) + '.txt', 'w+') as outfile:
                 json.dump(user_privatekey, outfile)
+            outfile.close()
 
             ##Save public key in users
             for user in data['user']:
@@ -93,11 +100,15 @@ class Authetication:
                     with open(self.CONFIG_FILE_LOCATION, 'w') as outfile:
                         json.dump(data, outfile)
                     break
+            outfile.close()
             return True
         else:
+
             return False
 
 
+
+
     def saveUser(self, username: str, password: str) -> bool:
         bytePass = password.encode('utf-8')
         b64pwd = b64encode(SHA256.new(bytePass).digest())